./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31eb271f-733e-4548-a2ed-f49adbbc2292/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31eb271f-733e-4548-a2ed-f49adbbc2292/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_31eb271f-733e-4548-a2ed-f49adbbc2292/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31eb271f-733e-4548-a2ed-f49adbbc2292/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31eb271f-733e-4548-a2ed-f49adbbc2292/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_31eb271f-733e-4548-a2ed-f49adbbc2292/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 0224e82797c7b26c7800eaf85be5e5678e7961d21aa4e2312eda2860d261b33a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:21:18,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:21:18,659 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31eb271f-733e-4548-a2ed-f49adbbc2292/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-12 02:21:18,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:21:18,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:21:18,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:21:18,711 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:21:18,712 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:21:18,713 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:21:18,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:21:18,720 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:21:18,720 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:21:18,721 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:21:18,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:21:18,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:21:18,724 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:21:18,724 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:21:18,725 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:21:18,725 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:21:18,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:21:18,726 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:21:18,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:21:18,727 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 02:21:18,728 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:21:18,728 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:21:18,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:21:18,729 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:21:18,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:21:18,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:21:18,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:21:18,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:21:18,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:21:18,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:21:18,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:21:18,733 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:21:18,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:21:18,733 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:21:18,733 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:21:18,734 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:21:18,734 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:21:18,734 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:21:18,734 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_31eb271f-733e-4548-a2ed-f49adbbc2292/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31eb271f-733e-4548-a2ed-f49adbbc2292/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0224e82797c7b26c7800eaf85be5e5678e7961d21aa4e2312eda2860d261b33a [2023-11-12 02:21:19,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:21:19,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:21:19,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:21:19,135 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:21:19,136 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:21:19,137 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31eb271f-733e-4548-a2ed-f49adbbc2292/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c [2023-11-12 02:21:22,269 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:21:22,572 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:21:22,573 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31eb271f-733e-4548-a2ed-f49adbbc2292/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c [2023-11-12 02:21:22,587 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31eb271f-733e-4548-a2ed-f49adbbc2292/bin/uautomizer-verify-uTZkv6EMXl/data/33de783b0/d2a61520dee34fe8893b448bf7197a35/FLAGe112a88eb [2023-11-12 02:21:22,608 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31eb271f-733e-4548-a2ed-f49adbbc2292/bin/uautomizer-verify-uTZkv6EMXl/data/33de783b0/d2a61520dee34fe8893b448bf7197a35 [2023-11-12 02:21:22,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:21:22,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:21:22,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:21:22,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:21:22,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:21:22,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:21:22" (1/1) ... [2023-11-12 02:21:22,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69639c97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:22, skipping insertion in model container [2023-11-12 02:21:22,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:21:22" (1/1) ... [2023-11-12 02:21:22,672 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:21:22,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:21:23,004 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:21:23,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:21:23,057 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:21:23,058 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:21:23,071 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:21:23,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:23 WrapperNode [2023-11-12 02:21:23,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:21:23,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:21:23,074 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:21:23,074 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:21:23,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:23" (1/1) ... [2023-11-12 02:21:23,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:23" (1/1) ... [2023-11-12 02:21:23,135 INFO L138 Inliner]: procedures = 24, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 167 [2023-11-12 02:21:23,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:21:23,136 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:21:23,136 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:21:23,136 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:21:23,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:23" (1/1) ... [2023-11-12 02:21:23,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:23" (1/1) ... [2023-11-12 02:21:23,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:23" (1/1) ... [2023-11-12 02:21:23,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:23" (1/1) ... [2023-11-12 02:21:23,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:23" (1/1) ... [2023-11-12 02:21:23,212 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:23" (1/1) ... [2023-11-12 02:21:23,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:23" (1/1) ... [2023-11-12 02:21:23,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:23" (1/1) ... [2023-11-12 02:21:23,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:21:23,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:21:23,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:21:23,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:21:23,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:23" (1/1) ... [2023-11-12 02:21:23,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:21:23,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31eb271f-733e-4548-a2ed-f49adbbc2292/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:23,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31eb271f-733e-4548-a2ed-f49adbbc2292/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:21:23,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31eb271f-733e-4548-a2ed-f49adbbc2292/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:21:23,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:21:23,341 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 02:21:23,341 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 02:21:23,342 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 02:21:23,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 02:21:23,342 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 02:21:23,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 02:21:23,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:21:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:21:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:21:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 02:21:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 02:21:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:21:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:21:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:21:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:21:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:21:23,349 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 02:21:23,530 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:21:23,533 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:21:24,329 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:21:24,671 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:21:24,672 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 02:21:24,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:21:24 BoogieIcfgContainer [2023-11-12 02:21:24,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:21:24,677 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:21:24,677 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:21:24,684 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:21:24,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:21:22" (1/3) ... [2023-11-12 02:21:24,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1703c03e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:21:24, skipping insertion in model container [2023-11-12 02:21:24,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:23" (2/3) ... [2023-11-12 02:21:24,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1703c03e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:21:24, skipping insertion in model container [2023-11-12 02:21:24,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:21:24" (3/3) ... [2023-11-12 02:21:24,691 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array-hom.wvr.c [2023-11-12 02:21:24,721 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:21:24,734 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:21:24,735 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2023-11-12 02:21:24,735 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:21:24,863 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-12 02:21:24,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 266 places, 270 transitions, 561 flow [2023-11-12 02:21:25,059 INFO L124 PetriNetUnfolderBase]: 14/267 cut-off events. [2023-11-12 02:21:25,059 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-12 02:21:25,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 280 conditions, 267 events. 14/267 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 328 event pairs, 0 based on Foata normal form. 0/215 useless extension candidates. Maximal degree in co-relation 175. Up to 2 conditions per place. [2023-11-12 02:21:25,067 INFO L82 GeneralOperation]: Start removeDead. Operand has 266 places, 270 transitions, 561 flow [2023-11-12 02:21:25,082 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 238 places, 240 transitions, 498 flow [2023-11-12 02:21:25,088 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:21:25,101 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 238 places, 240 transitions, 498 flow [2023-11-12 02:21:25,104 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 238 places, 240 transitions, 498 flow [2023-11-12 02:21:25,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 238 places, 240 transitions, 498 flow [2023-11-12 02:21:25,158 INFO L124 PetriNetUnfolderBase]: 12/240 cut-off events. [2023-11-12 02:21:25,158 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-12 02:21:25,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 253 conditions, 240 events. 12/240 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 318 event pairs, 0 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 175. Up to 2 conditions per place. [2023-11-12 02:21:25,166 INFO L119 LiptonReduction]: Number of co-enabled transitions 6084 [2023-11-12 02:21:36,350 INFO L134 LiptonReduction]: Checked pairs total: 35978 [2023-11-12 02:21:36,350 INFO L136 LiptonReduction]: Total number of compositions: 228 [2023-11-12 02:21:36,366 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:21:36,373 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;@1f4cd3e4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:21:36,374 INFO L358 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2023-11-12 02:21:36,375 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:21:36,376 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-12 02:21:36,376 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:21:36,376 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:21:36,377 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-12 02:21:36,377 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-12 02:21:36,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:36,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1135, now seen corresponding path program 1 times [2023-11-12 02:21:36,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:36,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042258462] [2023-11-12 02:21:36,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:36,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:36,486 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 02:21:36,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:36,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042258462] [2023-11-12 02:21:36,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042258462] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:36,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:36,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-12 02:21:36,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702171515] [2023-11-12 02:21:36,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:36,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:21:36,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:36,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:21:36,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:21:36,534 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 498 [2023-11-12 02:21:36,542 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 83 transitions, 184 flow. Second operand has 2 states, 2 states have (on average 234.5) internal successors, (469), 2 states have internal predecessors, (469), 0 states have call successors, (0), 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 02:21:36,542 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:21:36,542 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 498 [2023-11-12 02:21:36,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:21:36,833 INFO L124 PetriNetUnfolderBase]: 466/1019 cut-off events. [2023-11-12 02:21:36,833 INFO L125 PetriNetUnfolderBase]: For 75/75 co-relation queries the response was YES. [2023-11-12 02:21:36,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1764 conditions, 1019 events. 466/1019 cut-off events. For 75/75 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 5787 event pairs, 333 based on Foata normal form. 133/968 useless extension candidates. Maximal degree in co-relation 1386. Up to 678 conditions per place. [2023-11-12 02:21:36,846 INFO L140 encePairwiseOnDemand]: 464/498 looper letters, 25 selfloop transitions, 0 changer transitions 1/49 dead transitions. [2023-11-12 02:21:36,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 49 transitions, 168 flow [2023-11-12 02:21:36,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:21:36,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-12 02:21:36,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 528 transitions. [2023-11-12 02:21:36,864 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5301204819277109 [2023-11-12 02:21:36,865 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 528 transitions. [2023-11-12 02:21:36,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 528 transitions. [2023-11-12 02:21:36,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:21:36,871 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 528 transitions. [2023-11-12 02:21:36,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 264.0) internal successors, (528), 2 states have internal predecessors, (528), 0 states have call successors, (0), 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 02:21:36,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 498.0) internal successors, (1494), 3 states have internal predecessors, (1494), 0 states have call successors, (0), 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 02:21:36,884 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 498.0) internal successors, (1494), 3 states have internal predecessors, (1494), 0 states have call successors, (0), 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 02:21:36,886 INFO L175 Difference]: Start difference. First operand has 86 places, 83 transitions, 184 flow. Second operand 2 states and 528 transitions. [2023-11-12 02:21:36,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 49 transitions, 168 flow [2023-11-12 02:21:36,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 49 transitions, 156 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-12 02:21:36,893 INFO L231 Difference]: Finished difference. Result has 50 places, 48 transitions, 101 flow [2023-11-12 02:21:36,895 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=498, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=101, PETRI_PLACES=50, PETRI_TRANSITIONS=48} [2023-11-12 02:21:36,899 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -36 predicate places. [2023-11-12 02:21:36,899 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 48 transitions, 101 flow [2023-11-12 02:21:36,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 234.5) internal successors, (469), 2 states have internal predecessors, (469), 0 states have call successors, (0), 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 02:21:36,900 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:21:36,900 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:21:36,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:21:36,901 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-12 02:21:36,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:36,902 INFO L85 PathProgramCache]: Analyzing trace with hash -553793663, now seen corresponding path program 1 times [2023-11-12 02:21:36,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:36,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344073670] [2023-11-12 02:21:36,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:36,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:37,117 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 02:21:37,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:37,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344073670] [2023-11-12 02:21:37,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344073670] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:37,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:37,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:21:37,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154536889] [2023-11-12 02:21:37,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:37,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:21:37,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:37,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:21:37,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:21:37,150 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 498 [2023-11-12 02:21:37,151 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 48 transitions, 101 flow. Second operand has 3 states, 3 states have (on average 223.0) internal successors, (669), 3 states have internal predecessors, (669), 0 states have call successors, (0), 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 02:21:37,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:21:37,152 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 498 [2023-11-12 02:21:37,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:21:37,412 INFO L124 PetriNetUnfolderBase]: 800/1466 cut-off events. [2023-11-12 02:21:37,412 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2023-11-12 02:21:37,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2647 conditions, 1466 events. 800/1466 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 7538 event pairs, 609 based on Foata normal form. 0/1200 useless extension candidates. Maximal degree in co-relation 2644. Up to 1152 conditions per place. [2023-11-12 02:21:37,425 INFO L140 encePairwiseOnDemand]: 495/498 looper letters, 27 selfloop transitions, 1 changer transitions 0/46 dead transitions. [2023-11-12 02:21:37,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 46 transitions, 153 flow [2023-11-12 02:21:37,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:21:37,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:21:37,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 693 transitions. [2023-11-12 02:21:37,429 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.463855421686747 [2023-11-12 02:21:37,429 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 693 transitions. [2023-11-12 02:21:37,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 693 transitions. [2023-11-12 02:21:37,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:21:37,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 693 transitions. [2023-11-12 02:21:37,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 231.0) internal successors, (693), 3 states have internal predecessors, (693), 0 states have call successors, (0), 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 02:21:37,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 498.0) internal successors, (1992), 4 states have internal predecessors, (1992), 0 states have call successors, (0), 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 02:21:37,445 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 498.0) internal successors, (1992), 4 states have internal predecessors, (1992), 0 states have call successors, (0), 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 02:21:37,445 INFO L175 Difference]: Start difference. First operand has 50 places, 48 transitions, 101 flow. Second operand 3 states and 693 transitions. [2023-11-12 02:21:37,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 46 transitions, 153 flow [2023-11-12 02:21:37,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 46 transitions, 153 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:21:37,449 INFO L231 Difference]: Finished difference. Result has 49 places, 46 transitions, 99 flow [2023-11-12 02:21:37,452 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=498, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=99, PETRI_PLACES=49, PETRI_TRANSITIONS=46} [2023-11-12 02:21:37,453 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -37 predicate places. [2023-11-12 02:21:37,453 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 46 transitions, 99 flow [2023-11-12 02:21:37,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.0) internal successors, (669), 3 states have internal predecessors, (669), 0 states have call successors, (0), 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 02:21:37,454 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:21:37,454 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:37,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:21:37,455 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-12 02:21:37,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:37,461 INFO L85 PathProgramCache]: Analyzing trace with hash 463516557, now seen corresponding path program 1 times [2023-11-12 02:21:37,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:37,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574347880] [2023-11-12 02:21:37,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:37,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:37,566 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 02:21:37,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:37,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574347880] [2023-11-12 02:21:37,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574347880] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:37,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:37,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:21:37,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382978394] [2023-11-12 02:21:37,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:37,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:21:37,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:37,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:21:37,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:21:37,589 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 498 [2023-11-12 02:21:37,591 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 46 transitions, 99 flow. Second operand has 3 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 0 states have call successors, (0), 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 02:21:37,591 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:21:37,591 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 498 [2023-11-12 02:21:37,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:21:37,772 INFO L124 PetriNetUnfolderBase]: 578/1107 cut-off events. [2023-11-12 02:21:37,772 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2023-11-12 02:21:37,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1973 conditions, 1107 events. 578/1107 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 5531 event pairs, 425 based on Foata normal form. 0/949 useless extension candidates. Maximal degree in co-relation 1969. Up to 834 conditions per place. [2023-11-12 02:21:37,782 INFO L140 encePairwiseOnDemand]: 495/498 looper letters, 25 selfloop transitions, 1 changer transitions 0/44 dead transitions. [2023-11-12 02:21:37,782 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 44 transitions, 147 flow [2023-11-12 02:21:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:21:37,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:21:37,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 691 transitions. [2023-11-12 02:21:37,786 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46251673360107093 [2023-11-12 02:21:37,786 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 691 transitions. [2023-11-12 02:21:37,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 691 transitions. [2023-11-12 02:21:37,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:21:37,787 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 691 transitions. [2023-11-12 02:21:37,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:37,794 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 498.0) internal successors, (1992), 4 states have internal predecessors, (1992), 0 states have call successors, (0), 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 02:21:37,796 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 498.0) internal successors, (1992), 4 states have internal predecessors, (1992), 0 states have call successors, (0), 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 02:21:37,796 INFO L175 Difference]: Start difference. First operand has 49 places, 46 transitions, 99 flow. Second operand 3 states and 691 transitions. [2023-11-12 02:21:37,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 44 transitions, 147 flow [2023-11-12 02:21:37,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 44 transitions, 146 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-12 02:21:37,798 INFO L231 Difference]: Finished difference. Result has 48 places, 44 transitions, 96 flow [2023-11-12 02:21:37,799 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=498, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=48, PETRI_TRANSITIONS=44} [2023-11-12 02:21:37,800 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -38 predicate places. [2023-11-12 02:21:37,800 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 44 transitions, 96 flow [2023-11-12 02:21:37,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 0 states have call successors, (0), 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 02:21:37,801 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:21:37,801 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:37,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:21:37,802 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-12 02:21:37,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:37,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1768188723, now seen corresponding path program 1 times [2023-11-12 02:21:37,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:37,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277237233] [2023-11-12 02:21:37,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:37,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:37,984 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 02:21:37,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:37,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277237233] [2023-11-12 02:21:37,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277237233] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:37,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:37,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:21:37,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801330848] [2023-11-12 02:21:37,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:37,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:21:37,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:37,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:21:37,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:21:38,037 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 498 [2023-11-12 02:21:38,038 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 44 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 0 states have call successors, (0), 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 02:21:38,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:21:38,039 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 498 [2023-11-12 02:21:38,039 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:21:38,240 INFO L124 PetriNetUnfolderBase]: 466/938 cut-off events. [2023-11-12 02:21:38,240 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-11-12 02:21:38,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1642 conditions, 938 events. 466/938 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 4832 event pairs, 333 based on Foata normal form. 1/792 useless extension candidates. Maximal degree in co-relation 1638. Up to 677 conditions per place. [2023-11-12 02:21:38,249 INFO L140 encePairwiseOnDemand]: 495/498 looper letters, 24 selfloop transitions, 2 changer transitions 0/45 dead transitions. [2023-11-12 02:21:38,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 45 transitions, 150 flow [2023-11-12 02:21:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:21:38,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:21:38,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 705 transitions. [2023-11-12 02:21:38,253 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4718875502008032 [2023-11-12 02:21:38,253 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 705 transitions. [2023-11-12 02:21:38,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 705 transitions. [2023-11-12 02:21:38,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:21:38,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 705 transitions. [2023-11-12 02:21:38,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 235.0) internal successors, (705), 3 states have internal predecessors, (705), 0 states have call successors, (0), 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 02:21:38,261 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 498.0) internal successors, (1992), 4 states have internal predecessors, (1992), 0 states have call successors, (0), 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 02:21:38,262 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 498.0) internal successors, (1992), 4 states have internal predecessors, (1992), 0 states have call successors, (0), 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 02:21:38,263 INFO L175 Difference]: Start difference. First operand has 48 places, 44 transitions, 96 flow. Second operand 3 states and 705 transitions. [2023-11-12 02:21:38,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 45 transitions, 150 flow [2023-11-12 02:21:38,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 45 transitions, 149 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-12 02:21:38,265 INFO L231 Difference]: Finished difference. Result has 50 places, 45 transitions, 107 flow [2023-11-12 02:21:38,265 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=498, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=107, PETRI_PLACES=50, PETRI_TRANSITIONS=45} [2023-11-12 02:21:38,266 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -36 predicate places. [2023-11-12 02:21:38,267 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 45 transitions, 107 flow [2023-11-12 02:21:38,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 0 states have call successors, (0), 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 02:21:38,268 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:21:38,268 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:38,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:21:38,268 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-12 02:21:38,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:38,269 INFO L85 PathProgramCache]: Analyzing trace with hash 512421777, now seen corresponding path program 1 times [2023-11-12 02:21:38,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:38,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571805312] [2023-11-12 02:21:38,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:38,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:38,766 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 02:21:38,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:38,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571805312] [2023-11-12 02:21:38,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571805312] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:38,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:38,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:21:38,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329641541] [2023-11-12 02:21:38,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:38,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:21:38,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:38,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:21:38,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:21:38,963 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 498 [2023-11-12 02:21:38,965 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 45 transitions, 107 flow. Second operand has 6 states, 6 states have (on average 222.16666666666666) internal successors, (1333), 6 states have internal predecessors, (1333), 0 states have call successors, (0), 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 02:21:38,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:21:38,966 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 498 [2023-11-12 02:21:38,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:21:39,533 INFO L124 PetriNetUnfolderBase]: 1234/1842 cut-off events. [2023-11-12 02:21:39,533 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-12 02:21:39,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3576 conditions, 1842 events. 1234/1842 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 8246 event pairs, 135 based on Foata normal form. 0/1598 useless extension candidates. Maximal degree in co-relation 3571. Up to 624 conditions per place. [2023-11-12 02:21:39,547 INFO L140 encePairwiseOnDemand]: 493/498 looper letters, 74 selfloop transitions, 4 changer transitions 0/92 dead transitions. [2023-11-12 02:21:39,548 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 92 transitions, 357 flow [2023-11-12 02:21:39,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:21:39,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:21:39,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1398 transitions. [2023-11-12 02:21:39,554 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4678714859437751 [2023-11-12 02:21:39,554 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1398 transitions. [2023-11-12 02:21:39,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1398 transitions. [2023-11-12 02:21:39,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:21:39,556 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1398 transitions. [2023-11-12 02:21:39,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 233.0) internal successors, (1398), 6 states have internal predecessors, (1398), 0 states have call successors, (0), 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 02:21:39,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 498.0) internal successors, (3486), 7 states have internal predecessors, (3486), 0 states have call successors, (0), 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 02:21:39,571 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 498.0) internal successors, (3486), 7 states have internal predecessors, (3486), 0 states have call successors, (0), 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 02:21:39,572 INFO L175 Difference]: Start difference. First operand has 50 places, 45 transitions, 107 flow. Second operand 6 states and 1398 transitions. [2023-11-12 02:21:39,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 92 transitions, 357 flow [2023-11-12 02:21:39,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 92 transitions, 353 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-12 02:21:39,577 INFO L231 Difference]: Finished difference. Result has 53 places, 44 transitions, 109 flow [2023-11-12 02:21:39,578 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=498, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=109, PETRI_PLACES=53, PETRI_TRANSITIONS=44} [2023-11-12 02:21:39,580 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -33 predicate places. [2023-11-12 02:21:39,580 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 44 transitions, 109 flow [2023-11-12 02:21:39,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 222.16666666666666) internal successors, (1333), 6 states have internal predecessors, (1333), 0 states have call successors, (0), 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 02:21:39,582 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:21:39,582 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 02:21:39,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:21:39,583 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-12 02:21:39,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:39,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1691971386, now seen corresponding path program 1 times [2023-11-12 02:21:39,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:39,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055740779] [2023-11-12 02:21:39,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:39,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:39,742 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 02:21:39,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:39,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055740779] [2023-11-12 02:21:39,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055740779] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:21:39,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790621233] [2023-11-12 02:21:39,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:39,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:39,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31eb271f-733e-4548-a2ed-f49adbbc2292/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:39,748 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31eb271f-733e-4548-a2ed-f49adbbc2292/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:21:39,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31eb271f-733e-4548-a2ed-f49adbbc2292/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:21:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:39,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:21:39,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:21:40,024 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 02:21:40,030 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:21:40,085 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 02:21:40,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790621233] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-12 02:21:40,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:21:40,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2023-11-12 02:21:40,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515438630] [2023-11-12 02:21:40,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:40,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:21:40,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:40,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:21:40,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:21:40,219 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 498 [2023-11-12 02:21:40,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 44 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 221.6) internal successors, (1108), 5 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 02:21:40,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:21:40,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 498 [2023-11-12 02:21:40,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:21:40,472 INFO L124 PetriNetUnfolderBase]: 564/1058 cut-off events. [2023-11-12 02:21:40,472 INFO L125 PetriNetUnfolderBase]: For 84/84 co-relation queries the response was YES. [2023-11-12 02:21:40,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2027 conditions, 1058 events. 564/1058 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 5051 event pairs, 203 based on Foata normal form. 0/921 useless extension candidates. Maximal degree in co-relation 2022. Up to 494 conditions per place. [2023-11-12 02:21:40,482 INFO L140 encePairwiseOnDemand]: 492/498 looper letters, 35 selfloop transitions, 5 changer transitions 0/58 dead transitions. [2023-11-12 02:21:40,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 58 transitions, 221 flow [2023-11-12 02:21:40,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:21:40,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-12 02:21:40,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1136 transitions. [2023-11-12 02:21:40,488 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4562248995983936 [2023-11-12 02:21:40,488 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1136 transitions. [2023-11-12 02:21:40,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1136 transitions. [2023-11-12 02:21:40,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:21:40,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1136 transitions. [2023-11-12 02:21:40,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 227.2) internal successors, (1136), 5 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:40,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 498.0) internal successors, (2988), 6 states have internal predecessors, (2988), 0 states have call successors, (0), 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 02:21:40,502 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 498.0) internal successors, (2988), 6 states have internal predecessors, (2988), 0 states have call successors, (0), 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 02:21:40,503 INFO L175 Difference]: Start difference. First operand has 53 places, 44 transitions, 109 flow. Second operand 5 states and 1136 transitions. [2023-11-12 02:21:40,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 58 transitions, 221 flow [2023-11-12 02:21:40,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 58 transitions, 212 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-12 02:21:40,508 INFO L231 Difference]: Finished difference. Result has 55 places, 45 transitions, 125 flow [2023-11-12 02:21:40,509 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=498, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=125, PETRI_PLACES=55, PETRI_TRANSITIONS=45} [2023-11-12 02:21:40,510 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -31 predicate places. [2023-11-12 02:21:40,510 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 45 transitions, 125 flow [2023-11-12 02:21:40,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 221.6) internal successors, (1108), 5 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 02:21:40,511 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:21:40,511 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] [2023-11-12 02:21:40,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31eb271f-733e-4548-a2ed-f49adbbc2292/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:21:40,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31eb271f-733e-4548-a2ed-f49adbbc2292/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:21:40,718 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-12 02:21:40,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:40,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1055353817, now seen corresponding path program 1 times [2023-11-12 02:21:40,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:40,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325187927] [2023-11-12 02:21:40,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:40,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:41,228 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 02:21:41,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:41,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325187927] [2023-11-12 02:21:41,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325187927] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:41,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:41,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:21:41,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049437005] [2023-11-12 02:21:41,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:41,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:21:41,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:41,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:21:41,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:21:41,426 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 498 [2023-11-12 02:21:41,428 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 45 transitions, 125 flow. Second operand has 6 states, 6 states have (on average 223.16666666666666) internal successors, (1339), 6 states have internal predecessors, (1339), 0 states have call successors, (0), 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 02:21:41,428 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:21:41,428 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 498 [2023-11-12 02:21:41,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:21:41,801 INFO L124 PetriNetUnfolderBase]: 692/1214 cut-off events. [2023-11-12 02:21:41,801 INFO L125 PetriNetUnfolderBase]: For 473/473 co-relation queries the response was YES. [2023-11-12 02:21:41,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2619 conditions, 1214 events. 692/1214 cut-off events. For 473/473 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 5785 event pairs, 383 based on Foata normal form. 0/1117 useless extension candidates. Maximal degree in co-relation 2612. Up to 754 conditions per place. [2023-11-12 02:21:41,811 INFO L140 encePairwiseOnDemand]: 493/498 looper letters, 59 selfloop transitions, 4 changer transitions 0/76 dead transitions. [2023-11-12 02:21:41,812 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 76 transitions, 313 flow [2023-11-12 02:21:41,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:21:41,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:21:41,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1382 transitions. [2023-11-12 02:21:41,817 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46251673360107093 [2023-11-12 02:21:41,817 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1382 transitions. [2023-11-12 02:21:41,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1382 transitions. [2023-11-12 02:21:41,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:21:41,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1382 transitions. [2023-11-12 02:21:41,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 230.33333333333334) internal successors, (1382), 6 states have internal predecessors, (1382), 0 states have call successors, (0), 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 02:21:41,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 498.0) internal successors, (3486), 7 states have internal predecessors, (3486), 0 states have call successors, (0), 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 02:21:41,830 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 498.0) internal successors, (3486), 7 states have internal predecessors, (3486), 0 states have call successors, (0), 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 02:21:41,831 INFO L175 Difference]: Start difference. First operand has 55 places, 45 transitions, 125 flow. Second operand 6 states and 1382 transitions. [2023-11-12 02:21:41,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 76 transitions, 313 flow [2023-11-12 02:21:41,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 76 transitions, 307 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-12 02:21:41,835 INFO L231 Difference]: Finished difference. Result has 56 places, 44 transitions, 125 flow [2023-11-12 02:21:41,835 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=498, PETRI_DIFFERENCE_MINUEND_FLOW=117, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=125, PETRI_PLACES=56, PETRI_TRANSITIONS=44} [2023-11-12 02:21:41,836 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -30 predicate places. [2023-11-12 02:21:41,836 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 44 transitions, 125 flow [2023-11-12 02:21:41,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 223.16666666666666) internal successors, (1339), 6 states have internal predecessors, (1339), 0 states have call successors, (0), 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 02:21:41,837 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:21:41,838 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 02:21:41,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-12 02:21:41,838 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-12 02:21:41,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:41,838 INFO L85 PathProgramCache]: Analyzing trace with hash -355542933, now seen corresponding path program 1 times [2023-11-12 02:21:41,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:41,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502581562] [2023-11-12 02:21:41,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:41,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:42,337 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 02:21:42,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:42,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502581562] [2023-11-12 02:21:42,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502581562] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:42,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:42,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:21:42,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169049626] [2023-11-12 02:21:42,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:42,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:21:42,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:42,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:21:42,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:21:42,545 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 498 [2023-11-12 02:21:42,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 44 transitions, 125 flow. Second operand has 6 states, 6 states have (on average 223.83333333333334) internal successors, (1343), 6 states have internal predecessors, (1343), 0 states have call successors, (0), 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 02:21:42,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:21:42,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 498 [2023-11-12 02:21:42,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:21:42,844 INFO L124 PetriNetUnfolderBase]: 580/1098 cut-off events. [2023-11-12 02:21:42,844 INFO L125 PetriNetUnfolderBase]: For 407/407 co-relation queries the response was YES. [2023-11-12 02:21:42,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2322 conditions, 1098 events. 580/1098 cut-off events. For 407/407 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 5505 event pairs, 410 based on Foata normal form. 0/1017 useless extension candidates. Maximal degree in co-relation 2315. Up to 810 conditions per place. [2023-11-12 02:21:42,848 INFO L140 encePairwiseOnDemand]: 493/498 looper letters, 0 selfloop transitions, 0 changer transitions 59/59 dead transitions. [2023-11-12 02:21:42,848 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 59 transitions, 249 flow [2023-11-12 02:21:42,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:21:42,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:21:42,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1366 transitions. [2023-11-12 02:21:42,855 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4571619812583668 [2023-11-12 02:21:42,856 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1366 transitions. [2023-11-12 02:21:42,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1366 transitions. [2023-11-12 02:21:42,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:21:42,857 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1366 transitions. [2023-11-12 02:21:42,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 227.66666666666666) internal successors, (1366), 6 states have internal predecessors, (1366), 0 states have call successors, (0), 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 02:21:42,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 498.0) internal successors, (3486), 7 states have internal predecessors, (3486), 0 states have call successors, (0), 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 02:21:42,869 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 498.0) internal successors, (3486), 7 states have internal predecessors, (3486), 0 states have call successors, (0), 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 02:21:42,869 INFO L175 Difference]: Start difference. First operand has 56 places, 44 transitions, 125 flow. Second operand 6 states and 1366 transitions. [2023-11-12 02:21:42,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 59 transitions, 249 flow [2023-11-12 02:21:42,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 59 transitions, 242 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-12 02:21:42,874 INFO L231 Difference]: Finished difference. Result has 56 places, 0 transitions, 0 flow [2023-11-12 02:21:42,874 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=498, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=56, PETRI_TRANSITIONS=0} [2023-11-12 02:21:42,876 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -30 predicate places. [2023-11-12 02:21:42,877 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 0 transitions, 0 flow [2023-11-12 02:21:42,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 223.83333333333334) internal successors, (1343), 6 states have internal predecessors, (1343), 0 states have call successors, (0), 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 02:21:42,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 63 remaining) [2023-11-12 02:21:42,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (61 of 63 remaining) [2023-11-12 02:21:42,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (60 of 63 remaining) [2023-11-12 02:21:42,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (59 of 63 remaining) [2023-11-12 02:21:42,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (58 of 63 remaining) [2023-11-12 02:21:42,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (57 of 63 remaining) [2023-11-12 02:21:42,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (56 of 63 remaining) [2023-11-12 02:21:42,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (55 of 63 remaining) [2023-11-12 02:21:42,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (54 of 63 remaining) [2023-11-12 02:21:42,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (53 of 63 remaining) [2023-11-12 02:21:42,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (52 of 63 remaining) [2023-11-12 02:21:42,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (51 of 63 remaining) [2023-11-12 02:21:42,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (50 of 63 remaining) [2023-11-12 02:21:42,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (49 of 63 remaining) [2023-11-12 02:21:42,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (48 of 63 remaining) [2023-11-12 02:21:42,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (47 of 63 remaining) [2023-11-12 02:21:42,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (46 of 63 remaining) [2023-11-12 02:21:42,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (45 of 63 remaining) [2023-11-12 02:21:42,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (44 of 63 remaining) [2023-11-12 02:21:42,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (43 of 63 remaining) [2023-11-12 02:21:42,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (42 of 63 remaining) [2023-11-12 02:21:42,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (41 of 63 remaining) [2023-11-12 02:21:42,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (40 of 63 remaining) [2023-11-12 02:21:42,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (39 of 63 remaining) [2023-11-12 02:21:42,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (38 of 63 remaining) [2023-11-12 02:21:42,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (37 of 63 remaining) [2023-11-12 02:21:42,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (36 of 63 remaining) [2023-11-12 02:21:42,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (35 of 63 remaining) [2023-11-12 02:21:42,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (34 of 63 remaining) [2023-11-12 02:21:42,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (33 of 63 remaining) [2023-11-12 02:21:42,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (32 of 63 remaining) [2023-11-12 02:21:42,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (31 of 63 remaining) [2023-11-12 02:21:42,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (30 of 63 remaining) [2023-11-12 02:21:42,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (29 of 63 remaining) [2023-11-12 02:21:42,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (28 of 63 remaining) [2023-11-12 02:21:42,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (27 of 63 remaining) [2023-11-12 02:21:42,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (26 of 63 remaining) [2023-11-12 02:21:42,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (25 of 63 remaining) [2023-11-12 02:21:42,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 63 remaining) [2023-11-12 02:21:42,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 63 remaining) [2023-11-12 02:21:42,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 63 remaining) [2023-11-12 02:21:42,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 63 remaining) [2023-11-12 02:21:42,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 63 remaining) [2023-11-12 02:21:42,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 63 remaining) [2023-11-12 02:21:42,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 63 remaining) [2023-11-12 02:21:42,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 63 remaining) [2023-11-12 02:21:42,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 63 remaining) [2023-11-12 02:21:42,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 63 remaining) [2023-11-12 02:21:42,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 63 remaining) [2023-11-12 02:21:42,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 63 remaining) [2023-11-12 02:21:42,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 63 remaining) [2023-11-12 02:21:42,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 63 remaining) [2023-11-12 02:21:42,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 63 remaining) [2023-11-12 02:21:42,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 63 remaining) [2023-11-12 02:21:42,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 63 remaining) [2023-11-12 02:21:42,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 63 remaining) [2023-11-12 02:21:42,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 63 remaining) [2023-11-12 02:21:42,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 63 remaining) [2023-11-12 02:21:42,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 63 remaining) [2023-11-12 02:21:42,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 63 remaining) [2023-11-12 02:21:42,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 63 remaining) [2023-11-12 02:21:42,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 63 remaining) [2023-11-12 02:21:42,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 63 remaining) [2023-11-12 02:21:42,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-12 02:21:42,913 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:42,920 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-12 02:21:42,920 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:21:42,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:21:42 BasicIcfg [2023-11-12 02:21:42,924 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:21:42,925 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:21:42,925 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:21:42,925 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:21:42,926 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:21:24" (3/4) ... [2023-11-12 02:21:42,927 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:21:42,930 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-12 02:21:42,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-12 02:21:42,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-12 02:21:42,938 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-12 02:21:42,939 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 02:21:42,939 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:21:42,940 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:21:43,038 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31eb271f-733e-4548-a2ed-f49adbbc2292/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:21:43,039 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31eb271f-733e-4548-a2ed-f49adbbc2292/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:21:43,039 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:21:43,040 INFO L158 Benchmark]: Toolchain (without parser) took 20421.06ms. Allocated memory was 130.0MB in the beginning and 232.8MB in the end (delta: 102.8MB). Free memory was 88.1MB in the beginning and 189.1MB in the end (delta: -101.0MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. [2023-11-12 02:21:43,040 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory was 73.6MB in the beginning and 73.5MB in the end (delta: 91.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:21:43,041 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.54ms. Allocated memory is still 130.0MB. Free memory was 87.8MB in the beginning and 97.5MB in the end (delta: -9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:21:43,041 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.01ms. Allocated memory is still 130.0MB. Free memory was 97.5MB in the beginning and 95.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:21:43,042 INFO L158 Benchmark]: Boogie Preprocessor took 86.43ms. Allocated memory is still 130.0MB. Free memory was 95.0MB in the beginning and 92.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:21:43,042 INFO L158 Benchmark]: RCFGBuilder took 1451.48ms. Allocated memory is still 130.0MB. Free memory was 92.6MB in the beginning and 98.8MB in the end (delta: -6.2MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2023-11-12 02:21:43,043 INFO L158 Benchmark]: TraceAbstraction took 18247.18ms. Allocated memory was 130.0MB in the beginning and 232.8MB in the end (delta: 102.8MB). Free memory was 98.1MB in the beginning and 194.3MB in the end (delta: -96.2MB). Peak memory consumption was 140.9MB. Max. memory is 16.1GB. [2023-11-12 02:21:43,043 INFO L158 Benchmark]: Witness Printer took 114.40ms. Allocated memory is still 232.8MB. Free memory was 194.3MB in the beginning and 189.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:21:43,046 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory was 73.6MB in the beginning and 73.5MB in the end (delta: 91.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.54ms. Allocated memory is still 130.0MB. Free memory was 87.8MB in the beginning and 97.5MB in the end (delta: -9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.01ms. Allocated memory is still 130.0MB. Free memory was 97.5MB in the beginning and 95.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.43ms. Allocated memory is still 130.0MB. Free memory was 95.0MB in the beginning and 92.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1451.48ms. Allocated memory is still 130.0MB. Free memory was 92.6MB in the beginning and 98.8MB in the end (delta: -6.2MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. * TraceAbstraction took 18247.18ms. Allocated memory was 130.0MB in the beginning and 232.8MB in the end (delta: 102.8MB). Free memory was 98.1MB in the beginning and 194.3MB in the end (delta: -96.2MB). Peak memory consumption was 140.9MB. Max. memory is 16.1GB. * Witness Printer took 114.40ms. Allocated memory is still 232.8MB. Free memory was 194.3MB in the beginning and 189.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.2s, 238 PlacesBefore, 86 PlacesAfterwards, 240 TransitionsBefore, 83 TransitionsAfterwards, 6084 CoEnabledTransitionPairs, 8 FixpointIterations, 145 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 17 TrivialYvCompositions, 9 ConcurrentYvCompositions, 5 ChoiceCompositions, 228 TotalNumberOfCompositions, 35978 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10654, independent: 9849, independent conditional: 0, independent unconditional: 9849, dependent: 805, dependent conditional: 0, dependent unconditional: 805, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3196, independent: 3079, independent conditional: 0, independent unconditional: 3079, dependent: 117, dependent conditional: 0, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10654, independent: 6770, independent conditional: 0, independent unconditional: 6770, dependent: 688, dependent conditional: 0, dependent unconditional: 688, unknown: 3196, unknown conditional: 0, unknown unconditional: 3196] , Statistics on independence cache: Total cache size (in pairs): 594, Positive cache size: 518, Positive conditional cache size: 0, Positive unconditional cache size: 518, Negative cache size: 76, Negative conditional cache size: 0, Negative unconditional cache size: 76, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 46]: 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: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: 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: 89]: 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: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 323 locations, 63 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: 18.0s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 630 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 394 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 37 mSDsCounter, 188 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1235 IncrementalHoareTripleChecker+Invalid, 1423 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 188 mSolverCounterUnsat, 8 mSDtfsCounter, 1235 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=0, InterpolantAutomatonStates: 34, 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, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 472 SizeOfPredicates, 2 NumberOfNonLiveVariables, 233 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 8/10 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 38 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 02:21:43,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31eb271f-733e-4548-a2ed-f49adbbc2292/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