./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c77686b-6033-4282-be04-08deca9e5f8f/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c77686b-6033-4282-be04-08deca9e5f8f/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c77686b-6033-4282-be04-08deca9e5f8f/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c77686b-6033-4282-be04-08deca9e5f8f/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c77686b-6033-4282-be04-08deca9e5f8f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c77686b-6033-4282-be04-08deca9e5f8f/bin/uautomizer-verify-bycVGegfSx --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 a4cca88acec68e5dbb90cd5700ef248bb5273dc097847f9475a683bfbdc7b189 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 20:59:27,631 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 20:59:27,750 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c77686b-6033-4282-be04-08deca9e5f8f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-21 20:59:27,758 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 20:59:27,759 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 20:59:27,798 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 20:59:27,799 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 20:59:27,799 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 20:59:27,801 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 20:59:27,808 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 20:59:27,809 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 20:59:27,810 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 20:59:27,811 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 20:59:27,812 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 20:59:27,813 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 20:59:27,813 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 20:59:27,814 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 20:59:27,814 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 20:59:27,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 20:59:27,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 20:59:27,816 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 20:59:27,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 20:59:27,819 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 20:59:27,819 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 20:59:27,820 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 20:59:27,820 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 20:59:27,820 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 20:59:27,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 20:59:27,822 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 20:59:27,822 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 20:59:27,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:59:27,824 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 20:59:27,824 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 20:59:27,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 20:59:27,825 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 20:59:27,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 20:59:27,825 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 20:59:27,825 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 20:59:27,826 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 20:59:27,826 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 20:59:27,826 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 20:59:27,826 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_7c77686b-6033-4282-be04-08deca9e5f8f/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c77686b-6033-4282-be04-08deca9e5f8f/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4cca88acec68e5dbb90cd5700ef248bb5273dc097847f9475a683bfbdc7b189 [2023-11-21 20:59:28,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 20:59:28,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 20:59:28,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 20:59:28,138 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 20:59:28,139 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 20:59:28,140 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c77686b-6033-4282-be04-08deca9e5f8f/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/weaver/unroll-3.wvr.c [2023-11-21 20:59:31,341 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 20:59:31,555 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 20:59:31,556 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c77686b-6033-4282-be04-08deca9e5f8f/sv-benchmarks/c/weaver/unroll-3.wvr.c [2023-11-21 20:59:31,565 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c77686b-6033-4282-be04-08deca9e5f8f/bin/uautomizer-verify-bycVGegfSx/data/2673570e1/627fa53167e3436a9f4ef8d8a4f26d6e/FLAGf47124367 [2023-11-21 20:59:31,580 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c77686b-6033-4282-be04-08deca9e5f8f/bin/uautomizer-verify-bycVGegfSx/data/2673570e1/627fa53167e3436a9f4ef8d8a4f26d6e [2023-11-21 20:59:31,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 20:59:31,584 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 20:59:31,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 20:59:31,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 20:59:31,592 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 20:59:31,593 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:59:31" (1/1) ... [2023-11-21 20:59:31,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18eb4a2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:31, skipping insertion in model container [2023-11-21 20:59:31,594 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:59:31" (1/1) ... [2023-11-21 20:59:31,621 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 20:59:31,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:59:31,867 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 20:59:31,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:59:31,928 INFO L206 MainTranslator]: Completed translation [2023-11-21 20:59:31,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:31 WrapperNode [2023-11-21 20:59:31,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 20:59:31,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 20:59:31,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 20:59:31,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 20:59:31,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:31" (1/1) ... [2023-11-21 20:59:31,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:31" (1/1) ... [2023-11-21 20:59:31,987 INFO L138 Inliner]: procedures = 24, calls = 35, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 286 [2023-11-21 20:59:31,988 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 20:59:31,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 20:59:31,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 20:59:31,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 20:59:31,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:31" (1/1) ... [2023-11-21 20:59:31,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:31" (1/1) ... [2023-11-21 20:59:32,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:31" (1/1) ... [2023-11-21 20:59:32,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:31" (1/1) ... [2023-11-21 20:59:32,023 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:31" (1/1) ... [2023-11-21 20:59:32,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:31" (1/1) ... [2023-11-21 20:59:32,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:31" (1/1) ... [2023-11-21 20:59:32,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:31" (1/1) ... [2023-11-21 20:59:32,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 20:59:32,051 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 20:59:32,052 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 20:59:32,052 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 20:59:32,053 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:31" (1/1) ... [2023-11-21 20:59:32,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:59:32,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c77686b-6033-4282-be04-08deca9e5f8f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:32,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c77686b-6033-4282-be04-08deca9e5f8f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:32,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c77686b-6033-4282-be04-08deca9e5f8f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 20:59:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 20:59:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 20:59:32,155 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 20:59:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 20:59:32,155 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 20:59:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 20:59:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 20:59:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 20:59:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 20:59:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 20:59:32,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 20:59:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 20:59:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 20:59:32,158 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 20:59:32,331 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 20:59:32,333 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 20:59:32,972 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 20:59:32,992 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 20:59:32,992 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 20:59:32,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:59:32 BoogieIcfgContainer [2023-11-21 20:59:32,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 20:59:32,997 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 20:59:32,997 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 20:59:33,000 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 20:59:33,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 08:59:31" (1/3) ... [2023-11-21 20:59:33,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3723281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:59:33, skipping insertion in model container [2023-11-21 20:59:33,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:31" (2/3) ... [2023-11-21 20:59:33,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3723281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:59:33, skipping insertion in model container [2023-11-21 20:59:33,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:59:32" (3/3) ... [2023-11-21 20:59:33,004 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.c [2023-11-21 20:59:33,013 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 20:59:33,025 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 20:59:33,025 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2023-11-21 20:59:33,025 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 20:59:33,146 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-21 20:59:33,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 357 places, 369 transitions, 752 flow [2023-11-21 20:59:33,327 INFO L124 PetriNetUnfolderBase]: 19/367 cut-off events. [2023-11-21 20:59:33,327 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-21 20:59:33,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 367 events. 19/367 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 548 event pairs, 0 based on Foata normal form. 0/307 useless extension candidates. Maximal degree in co-relation 219. Up to 2 conditions per place. [2023-11-21 20:59:33,341 INFO L82 GeneralOperation]: Start removeDead. Operand has 357 places, 369 transitions, 752 flow [2023-11-21 20:59:33,352 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 335 places, 346 transitions, 704 flow [2023-11-21 20:59:33,362 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 20:59:33,370 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;@38ca5bf2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 20:59:33,370 INFO L358 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2023-11-21 20:59:33,375 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-21 20:59:33,376 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2023-11-21 20:59:33,376 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 20:59:33,376 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:59:33,377 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] [2023-11-21 20:59:33,377 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-21 20:59:33,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:33,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1049162128, now seen corresponding path program 1 times [2023-11-21 20:59:33,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:33,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110721069] [2023-11-21 20:59:33,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:33,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:33,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:33,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:59:33,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110721069] [2023-11-21 20:59:33,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110721069] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:59:33,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:59:33,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 20:59:33,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136009960] [2023-11-21 20:59:33,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:59:33,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 20:59:33,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:59:33,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 20:59:33,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 20:59:33,688 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 342 out of 369 [2023-11-21 20:59:33,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 346 transitions, 704 flow. Second operand has 3 states, 3 states have (on average 343.3333333333333) internal successors, (1030), 3 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:33,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:59:33,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 342 of 369 [2023-11-21 20:59:33,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:59:33,815 INFO L124 PetriNetUnfolderBase]: 14/450 cut-off events. [2023-11-21 20:59:33,815 INFO L125 PetriNetUnfolderBase]: For 15/18 co-relation queries the response was YES. [2023-11-21 20:59:33,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 483 conditions, 450 events. 14/450 cut-off events. For 15/18 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1219 event pairs, 3 based on Foata normal form. 12/384 useless extension candidates. Maximal degree in co-relation 328. Up to 19 conditions per place. [2023-11-21 20:59:33,824 INFO L140 encePairwiseOnDemand]: 355/369 looper letters, 10 selfloop transitions, 2 changer transitions 4/334 dead transitions. [2023-11-21 20:59:33,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 334 transitions, 704 flow [2023-11-21 20:59:33,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 20:59:33,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 20:59:33,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1050 transitions. [2023-11-21 20:59:33,844 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.948509485094851 [2023-11-21 20:59:33,845 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1050 transitions. [2023-11-21 20:59:33,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1050 transitions. [2023-11-21 20:59:33,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:59:33,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1050 transitions. [2023-11-21 20:59:33,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 350.0) internal successors, (1050), 3 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:33,868 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:33,870 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:33,872 INFO L175 Difference]: Start difference. First operand has 335 places, 346 transitions, 704 flow. Second operand 3 states and 1050 transitions. [2023-11-21 20:59:33,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 334 transitions, 704 flow [2023-11-21 20:59:33,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 334 transitions, 696 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 20:59:33,890 INFO L231 Difference]: Finished difference. Result has 332 places, 330 transitions, 668 flow [2023-11-21 20:59:33,894 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=672, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=668, PETRI_PLACES=332, PETRI_TRANSITIONS=330} [2023-11-21 20:59:33,898 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -3 predicate places. [2023-11-21 20:59:33,899 INFO L495 AbstractCegarLoop]: Abstraction has has 332 places, 330 transitions, 668 flow [2023-11-21 20:59:33,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 343.3333333333333) internal successors, (1030), 3 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:33,900 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:59:33,901 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:59:33,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 20:59:33,901 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-21 20:59:33,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:33,902 INFO L85 PathProgramCache]: Analyzing trace with hash -819286939, now seen corresponding path program 1 times [2023-11-21 20:59:33,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:33,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187853749] [2023-11-21 20:59:33,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:33,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:33,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:33,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:59:33,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187853749] [2023-11-21 20:59:33,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187853749] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:59:33,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:59:33,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 20:59:33,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342295317] [2023-11-21 20:59:33,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:59:33,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 20:59:33,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:59:33,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 20:59:33,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 20:59:34,036 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 369 [2023-11-21 20:59:34,038 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 330 transitions, 668 flow. Second operand has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:34,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:59:34,038 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 369 [2023-11-21 20:59:34,039 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:59:34,197 INFO L124 PetriNetUnfolderBase]: 18/514 cut-off events. [2023-11-21 20:59:34,198 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-21 20:59:34,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 551 conditions, 514 events. 18/514 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1464 event pairs, 7 based on Foata normal form. 0/429 useless extension candidates. Maximal degree in co-relation 523. Up to 28 conditions per place. [2023-11-21 20:59:34,206 INFO L140 encePairwiseOnDemand]: 366/369 looper letters, 13 selfloop transitions, 2 changer transitions 0/329 dead transitions. [2023-11-21 20:59:34,206 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 329 transitions, 696 flow [2023-11-21 20:59:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 20:59:34,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 20:59:34,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1033 transitions. [2023-11-21 20:59:34,211 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9331526648599819 [2023-11-21 20:59:34,212 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1033 transitions. [2023-11-21 20:59:34,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1033 transitions. [2023-11-21 20:59:34,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:59:34,214 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1033 transitions. [2023-11-21 20:59:34,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 344.3333333333333) internal successors, (1033), 3 states have internal predecessors, (1033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:34,223 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:34,225 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:34,226 INFO L175 Difference]: Start difference. First operand has 332 places, 330 transitions, 668 flow. Second operand 3 states and 1033 transitions. [2023-11-21 20:59:34,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 329 transitions, 696 flow [2023-11-21 20:59:34,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 329 transitions, 692 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 20:59:34,241 INFO L231 Difference]: Finished difference. Result has 327 places, 329 transitions, 666 flow [2023-11-21 20:59:34,242 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=666, PETRI_PLACES=327, PETRI_TRANSITIONS=329} [2023-11-21 20:59:34,243 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -8 predicate places. [2023-11-21 20:59:34,243 INFO L495 AbstractCegarLoop]: Abstraction has has 327 places, 329 transitions, 666 flow [2023-11-21 20:59:34,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:34,245 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:59:34,246 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:59:34,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 20:59:34,251 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-21 20:59:34,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:34,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1464593500, now seen corresponding path program 1 times [2023-11-21 20:59:34,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:34,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500363829] [2023-11-21 20:59:34,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:34,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:34,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:34,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:59:34,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500363829] [2023-11-21 20:59:34,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500363829] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:59:34,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:59:34,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 20:59:34,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228663860] [2023-11-21 20:59:34,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:59:34,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 20:59:34,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:59:34,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 20:59:34,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 20:59:34,413 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 369 [2023-11-21 20:59:34,415 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 329 transitions, 666 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:34,416 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:59:34,416 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 369 [2023-11-21 20:59:34,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:59:34,744 INFO L124 PetriNetUnfolderBase]: 62/1001 cut-off events. [2023-11-21 20:59:34,744 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2023-11-21 20:59:34,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1088 conditions, 1001 events. 62/1001 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 4377 event pairs, 20 based on Foata normal form. 0/824 useless extension candidates. Maximal degree in co-relation 1052. Up to 77 conditions per place. [2023-11-21 20:59:34,763 INFO L140 encePairwiseOnDemand]: 362/369 looper letters, 16 selfloop transitions, 1 changer transitions 0/323 dead transitions. [2023-11-21 20:59:34,763 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 323 transitions, 688 flow [2023-11-21 20:59:34,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 20:59:34,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 20:59:34,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1022 transitions. [2023-11-21 20:59:34,768 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9232158988256549 [2023-11-21 20:59:34,768 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1022 transitions. [2023-11-21 20:59:34,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1022 transitions. [2023-11-21 20:59:34,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:59:34,770 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1022 transitions. [2023-11-21 20:59:34,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 340.6666666666667) internal successors, (1022), 3 states have internal predecessors, (1022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:34,778 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:34,780 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:34,780 INFO L175 Difference]: Start difference. First operand has 327 places, 329 transitions, 666 flow. Second operand 3 states and 1022 transitions. [2023-11-21 20:59:34,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 323 transitions, 688 flow [2023-11-21 20:59:34,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 323 transitions, 684 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 20:59:34,810 INFO L231 Difference]: Finished difference. Result has 321 places, 323 transitions, 652 flow [2023-11-21 20:59:34,811 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=652, PETRI_PLACES=321, PETRI_TRANSITIONS=323} [2023-11-21 20:59:34,812 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -14 predicate places. [2023-11-21 20:59:34,813 INFO L495 AbstractCegarLoop]: Abstraction has has 321 places, 323 transitions, 652 flow [2023-11-21 20:59:34,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:34,814 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:59:34,814 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:59:34,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 20:59:34,815 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-21 20:59:34,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:34,816 INFO L85 PathProgramCache]: Analyzing trace with hash -243879993, now seen corresponding path program 1 times [2023-11-21 20:59:34,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:34,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108904332] [2023-11-21 20:59:34,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:34,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:34,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:34,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:59:34,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108904332] [2023-11-21 20:59:34,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108904332] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:59:34,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:59:34,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 20:59:34,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708660101] [2023-11-21 20:59:34,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:59:34,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 20:59:34,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:59:34,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 20:59:34,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 20:59:34,937 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 369 [2023-11-21 20:59:34,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 323 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:34,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:59:34,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 369 [2023-11-21 20:59:34,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:59:35,055 INFO L124 PetriNetUnfolderBase]: 18/504 cut-off events. [2023-11-21 20:59:35,055 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-21 20:59:35,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 538 conditions, 504 events. 18/504 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1396 event pairs, 7 based on Foata normal form. 0/428 useless extension candidates. Maximal degree in co-relation 502. Up to 26 conditions per place. [2023-11-21 20:59:35,062 INFO L140 encePairwiseOnDemand]: 366/369 looper letters, 11 selfloop transitions, 2 changer transitions 0/322 dead transitions. [2023-11-21 20:59:35,063 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 322 transitions, 676 flow [2023-11-21 20:59:35,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 20:59:35,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 20:59:35,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1037 transitions. [2023-11-21 20:59:35,067 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9367660343270099 [2023-11-21 20:59:35,067 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1037 transitions. [2023-11-21 20:59:35,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1037 transitions. [2023-11-21 20:59:35,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:59:35,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1037 transitions. [2023-11-21 20:59:35,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 345.6666666666667) internal successors, (1037), 3 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:35,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:35,077 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:35,078 INFO L175 Difference]: Start difference. First operand has 321 places, 323 transitions, 652 flow. Second operand 3 states and 1037 transitions. [2023-11-21 20:59:35,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 322 transitions, 676 flow [2023-11-21 20:59:35,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 322 transitions, 675 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 20:59:35,086 INFO L231 Difference]: Finished difference. Result has 321 places, 322 transitions, 653 flow [2023-11-21 20:59:35,087 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=649, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=653, PETRI_PLACES=321, PETRI_TRANSITIONS=322} [2023-11-21 20:59:35,088 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -14 predicate places. [2023-11-21 20:59:35,088 INFO L495 AbstractCegarLoop]: Abstraction has has 321 places, 322 transitions, 653 flow [2023-11-21 20:59:35,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:35,090 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:59:35,090 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:59:35,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 20:59:35,091 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-21 20:59:35,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:35,092 INFO L85 PathProgramCache]: Analyzing trace with hash 975174286, now seen corresponding path program 1 times [2023-11-21 20:59:35,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:35,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833372662] [2023-11-21 20:59:35,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:35,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:35,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:35,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:59:35,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833372662] [2023-11-21 20:59:35,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833372662] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:59:35,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:59:35,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 20:59:35,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902484697] [2023-11-21 20:59:35,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:59:35,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 20:59:35,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:59:35,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 20:59:35,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 20:59:36,061 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 369 [2023-11-21 20:59:36,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 322 transitions, 653 flow. Second operand has 6 states, 6 states have (on average 315.5) internal successors, (1893), 6 states have internal predecessors, (1893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:36,065 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:59:36,065 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 369 [2023-11-21 20:59:36,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:59:37,300 INFO L124 PetriNetUnfolderBase]: 772/5427 cut-off events. [2023-11-21 20:59:37,300 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2023-11-21 20:59:37,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6515 conditions, 5427 events. 772/5427 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 48578 event pairs, 560 based on Foata normal form. 0/4475 useless extension candidates. Maximal degree in co-relation 6480. Up to 1072 conditions per place. [2023-11-21 20:59:37,431 INFO L140 encePairwiseOnDemand]: 363/369 looper letters, 36 selfloop transitions, 5 changer transitions 0/321 dead transitions. [2023-11-21 20:59:37,431 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 321 transitions, 733 flow [2023-11-21 20:59:37,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 20:59:37,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 20:59:37,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1926 transitions. [2023-11-21 20:59:37,443 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8699186991869918 [2023-11-21 20:59:37,443 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1926 transitions. [2023-11-21 20:59:37,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1926 transitions. [2023-11-21 20:59:37,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:59:37,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1926 transitions. [2023-11-21 20:59:37,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 321.0) internal successors, (1926), 6 states have internal predecessors, (1926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:37,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 369.0) internal successors, (2583), 7 states have internal predecessors, (2583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:37,460 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 369.0) internal successors, (2583), 7 states have internal predecessors, (2583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:37,460 INFO L175 Difference]: Start difference. First operand has 321 places, 322 transitions, 653 flow. Second operand 6 states and 1926 transitions. [2023-11-21 20:59:37,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 321 transitions, 733 flow [2023-11-21 20:59:37,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 321 transitions, 729 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 20:59:37,468 INFO L231 Difference]: Finished difference. Result has 323 places, 321 transitions, 657 flow [2023-11-21 20:59:37,469 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=657, PETRI_PLACES=323, PETRI_TRANSITIONS=321} [2023-11-21 20:59:37,472 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -12 predicate places. [2023-11-21 20:59:37,473 INFO L495 AbstractCegarLoop]: Abstraction has has 323 places, 321 transitions, 657 flow [2023-11-21 20:59:37,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 315.5) internal successors, (1893), 6 states have internal predecessors, (1893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:37,475 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:59:37,476 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:59:37,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 20:59:37,476 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-21 20:59:37,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:37,478 INFO L85 PathProgramCache]: Analyzing trace with hash -192549483, now seen corresponding path program 1 times [2023-11-21 20:59:37,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:37,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506942667] [2023-11-21 20:59:37,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:37,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:37,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:37,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:59:37,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506942667] [2023-11-21 20:59:37,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506942667] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:59:37,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:59:37,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 20:59:37,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369933466] [2023-11-21 20:59:37,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:59:37,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 20:59:37,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:59:37,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 20:59:37,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 20:59:37,570 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 342 out of 369 [2023-11-21 20:59:37,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 321 transitions, 657 flow. Second operand has 3 states, 3 states have (on average 343.0) internal successors, (1029), 3 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:37,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:59:37,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 342 of 369 [2023-11-21 20:59:37,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:59:37,720 INFO L124 PetriNetUnfolderBase]: 32/841 cut-off events. [2023-11-21 20:59:37,720 INFO L125 PetriNetUnfolderBase]: For 4/13 co-relation queries the response was YES. [2023-11-21 20:59:37,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 887 conditions, 841 events. 32/841 cut-off events. For 4/13 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3476 event pairs, 8 based on Foata normal form. 0/705 useless extension candidates. Maximal degree in co-relation 869. Up to 32 conditions per place. [2023-11-21 20:59:37,729 INFO L140 encePairwiseOnDemand]: 365/369 looper letters, 10 selfloop transitions, 1 changer transitions 0/318 dead transitions. [2023-11-21 20:59:37,730 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 318 transitions, 673 flow [2023-11-21 20:59:37,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 20:59:37,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 20:59:37,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1040 transitions. [2023-11-21 20:59:37,734 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9394760614272809 [2023-11-21 20:59:37,734 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1040 transitions. [2023-11-21 20:59:37,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1040 transitions. [2023-11-21 20:59:37,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:59:37,735 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1040 transitions. [2023-11-21 20:59:37,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 346.6666666666667) internal successors, (1040), 3 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:37,741 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:37,743 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:37,743 INFO L175 Difference]: Start difference. First operand has 323 places, 321 transitions, 657 flow. Second operand 3 states and 1040 transitions. [2023-11-21 20:59:37,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 318 transitions, 673 flow [2023-11-21 20:59:37,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 318 transitions, 663 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-21 20:59:37,757 INFO L231 Difference]: Finished difference. Result has 317 places, 318 transitions, 643 flow [2023-11-21 20:59:37,758 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=641, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=643, PETRI_PLACES=317, PETRI_TRANSITIONS=318} [2023-11-21 20:59:37,762 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -18 predicate places. [2023-11-21 20:59:37,762 INFO L495 AbstractCegarLoop]: Abstraction has has 317 places, 318 transitions, 643 flow [2023-11-21 20:59:37,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 343.0) internal successors, (1029), 3 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:37,763 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:59:37,763 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:59:37,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 20:59:37,764 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-21 20:59:37,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:37,765 INFO L85 PathProgramCache]: Analyzing trace with hash 558778842, now seen corresponding path program 1 times [2023-11-21 20:59:37,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:37,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835939238] [2023-11-21 20:59:37,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:37,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:37,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:37,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:59:37,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835939238] [2023-11-21 20:59:37,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835939238] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:59:37,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:59:37,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 20:59:37,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467866554] [2023-11-21 20:59:37,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:59:37,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 20:59:37,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:59:37,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 20:59:37,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 20:59:37,886 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 369 [2023-11-21 20:59:37,887 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 318 transitions, 643 flow. Second operand has 3 states, 3 states have (on average 340.0) internal successors, (1020), 3 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:37,888 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:59:37,888 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 369 [2023-11-21 20:59:37,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:59:37,970 INFO L124 PetriNetUnfolderBase]: 17/369 cut-off events. [2023-11-21 20:59:37,971 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2023-11-21 20:59:37,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 412 conditions, 369 events. 17/369 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 750 event pairs, 1 based on Foata normal form. 1/330 useless extension candidates. Maximal degree in co-relation 377. Up to 21 conditions per place. [2023-11-21 20:59:37,976 INFO L140 encePairwiseOnDemand]: 362/369 looper letters, 11 selfloop transitions, 3 changer transitions 0/315 dead transitions. [2023-11-21 20:59:37,976 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 315 transitions, 666 flow [2023-11-21 20:59:37,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 20:59:37,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 20:59:37,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1035 transitions. [2023-11-21 20:59:38,033 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9349593495934959 [2023-11-21 20:59:38,033 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1035 transitions. [2023-11-21 20:59:38,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1035 transitions. [2023-11-21 20:59:38,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:59:38,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1035 transitions. [2023-11-21 20:59:38,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 345.0) internal successors, (1035), 3 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:38,042 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:38,043 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:38,043 INFO L175 Difference]: Start difference. First operand has 317 places, 318 transitions, 643 flow. Second operand 3 states and 1035 transitions. [2023-11-21 20:59:38,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 315 transitions, 666 flow [2023-11-21 20:59:38,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 315 transitions, 665 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 20:59:38,051 INFO L231 Difference]: Finished difference. Result has 314 places, 314 transitions, 640 flow [2023-11-21 20:59:38,052 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=640, PETRI_PLACES=314, PETRI_TRANSITIONS=314} [2023-11-21 20:59:38,053 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -21 predicate places. [2023-11-21 20:59:38,054 INFO L495 AbstractCegarLoop]: Abstraction has has 314 places, 314 transitions, 640 flow [2023-11-21 20:59:38,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 340.0) internal successors, (1020), 3 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:38,055 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:59:38,055 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:59:38,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 20:59:38,056 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-21 20:59:38,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:38,056 INFO L85 PathProgramCache]: Analyzing trace with hash -871323340, now seen corresponding path program 1 times [2023-11-21 20:59:38,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:38,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228081872] [2023-11-21 20:59:38,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:38,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:38,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:38,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:38,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:59:38,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228081872] [2023-11-21 20:59:38,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228081872] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:59:38,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:59:38,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 20:59:38,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574947731] [2023-11-21 20:59:38,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:59:38,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 20:59:38,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:59:38,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 20:59:38,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 20:59:38,178 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 369 [2023-11-21 20:59:38,180 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 314 transitions, 640 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:38,180 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:59:38,180 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 369 [2023-11-21 20:59:38,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:59:38,285 INFO L124 PetriNetUnfolderBase]: 33/453 cut-off events. [2023-11-21 20:59:38,285 INFO L125 PetriNetUnfolderBase]: For 24/26 co-relation queries the response was YES. [2023-11-21 20:59:38,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 533 conditions, 453 events. 33/453 cut-off events. For 24/26 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1402 event pairs, 3 based on Foata normal form. 2/413 useless extension candidates. Maximal degree in co-relation 498. Up to 56 conditions per place. [2023-11-21 20:59:38,290 INFO L140 encePairwiseOnDemand]: 352/369 looper letters, 19 selfloop transitions, 6 changer transitions 5/305 dead transitions. [2023-11-21 20:59:38,290 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 305 transitions, 677 flow [2023-11-21 20:59:38,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 20:59:38,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 20:59:38,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 994 transitions. [2023-11-21 20:59:38,294 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8979223125564589 [2023-11-21 20:59:38,294 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 994 transitions. [2023-11-21 20:59:38,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 994 transitions. [2023-11-21 20:59:38,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:59:38,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 994 transitions. [2023-11-21 20:59:38,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 331.3333333333333) internal successors, (994), 3 states have internal predecessors, (994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:38,303 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:38,304 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:38,305 INFO L175 Difference]: Start difference. First operand has 314 places, 314 transitions, 640 flow. Second operand 3 states and 994 transitions. [2023-11-21 20:59:38,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 305 transitions, 677 flow [2023-11-21 20:59:38,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 305 transitions, 671 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 20:59:38,314 INFO L231 Difference]: Finished difference. Result has 304 places, 299 transitions, 615 flow [2023-11-21 20:59:38,315 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=615, PETRI_PLACES=304, PETRI_TRANSITIONS=299} [2023-11-21 20:59:38,317 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -31 predicate places. [2023-11-21 20:59:38,317 INFO L495 AbstractCegarLoop]: Abstraction has has 304 places, 299 transitions, 615 flow [2023-11-21 20:59:38,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:38,318 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:59:38,319 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:59:38,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 20:59:38,319 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-21 20:59:38,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:38,320 INFO L85 PathProgramCache]: Analyzing trace with hash -419502029, now seen corresponding path program 1 times [2023-11-21 20:59:38,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:38,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289188329] [2023-11-21 20:59:38,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:38,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:38,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:38,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:59:38,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289188329] [2023-11-21 20:59:38,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289188329] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:59:38,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:59:38,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 20:59:38,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484603805] [2023-11-21 20:59:38,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:59:38,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 20:59:38,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:59:38,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 20:59:38,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 20:59:39,409 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 369 [2023-11-21 20:59:39,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 299 transitions, 615 flow. Second operand has 6 states, 6 states have (on average 339.5) internal successors, (2037), 6 states have internal predecessors, (2037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:39,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:59:39,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 369 [2023-11-21 20:59:39,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:59:39,490 INFO L124 PetriNetUnfolderBase]: 7/298 cut-off events. [2023-11-21 20:59:39,490 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 20:59:39,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 325 conditions, 298 events. 7/298 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 344 event pairs, 0 based on Foata normal form. 0/274 useless extension candidates. Maximal degree in co-relation 288. Up to 9 conditions per place. [2023-11-21 20:59:39,494 INFO L140 encePairwiseOnDemand]: 364/369 looper letters, 10 selfloop transitions, 4 changer transitions 0/298 dead transitions. [2023-11-21 20:59:39,494 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 298 transitions, 641 flow [2023-11-21 20:59:39,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 20:59:39,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 20:59:39,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2043 transitions. [2023-11-21 20:59:39,500 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9227642276422764 [2023-11-21 20:59:39,500 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2043 transitions. [2023-11-21 20:59:39,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2043 transitions. [2023-11-21 20:59:39,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:59:39,502 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2043 transitions. [2023-11-21 20:59:39,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 340.5) internal successors, (2043), 6 states have internal predecessors, (2043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:39,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 369.0) internal successors, (2583), 7 states have internal predecessors, (2583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:39,515 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 369.0) internal successors, (2583), 7 states have internal predecessors, (2583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:39,515 INFO L175 Difference]: Start difference. First operand has 304 places, 299 transitions, 615 flow. Second operand 6 states and 2043 transitions. [2023-11-21 20:59:39,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 298 transitions, 641 flow [2023-11-21 20:59:39,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 298 transitions, 629 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 20:59:39,523 INFO L231 Difference]: Finished difference. Result has 301 places, 298 transitions, 609 flow [2023-11-21 20:59:39,524 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=601, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=609, PETRI_PLACES=301, PETRI_TRANSITIONS=298} [2023-11-21 20:59:39,525 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -34 predicate places. [2023-11-21 20:59:39,525 INFO L495 AbstractCegarLoop]: Abstraction has has 301 places, 298 transitions, 609 flow [2023-11-21 20:59:39,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 339.5) internal successors, (2037), 6 states have internal predecessors, (2037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:39,526 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:59:39,526 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:59:39,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 20:59:39,527 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-21 20:59:39,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:39,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1654139340, now seen corresponding path program 1 times [2023-11-21 20:59:39,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:39,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194184211] [2023-11-21 20:59:39,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:39,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:39,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:39,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:59:39,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194184211] [2023-11-21 20:59:39,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194184211] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:59:39,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:59:39,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 20:59:39,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510778171] [2023-11-21 20:59:39,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:59:39,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 20:59:39,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:59:39,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 20:59:39,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 20:59:39,622 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 369 [2023-11-21 20:59:39,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 298 transitions, 609 flow. Second operand has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:39,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:59:39,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 369 [2023-11-21 20:59:39,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:59:39,801 INFO L124 PetriNetUnfolderBase]: 57/847 cut-off events. [2023-11-21 20:59:39,801 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2023-11-21 20:59:39,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 932 conditions, 847 events. 57/847 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3441 event pairs, 6 based on Foata normal form. 0/766 useless extension candidates. Maximal degree in co-relation 897. Up to 68 conditions per place. [2023-11-21 20:59:39,811 INFO L140 encePairwiseOnDemand]: 363/369 looper letters, 14 selfloop transitions, 2 changer transitions 0/298 dead transitions. [2023-11-21 20:59:39,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 298 transitions, 643 flow [2023-11-21 20:59:39,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 20:59:39,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 20:59:39,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1037 transitions. [2023-11-21 20:59:39,816 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9367660343270099 [2023-11-21 20:59:39,816 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1037 transitions. [2023-11-21 20:59:39,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1037 transitions. [2023-11-21 20:59:39,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:59:39,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1037 transitions. [2023-11-21 20:59:39,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 345.6666666666667) internal successors, (1037), 3 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:39,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:39,824 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:39,824 INFO L175 Difference]: Start difference. First operand has 301 places, 298 transitions, 609 flow. Second operand 3 states and 1037 transitions. [2023-11-21 20:59:39,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 298 transitions, 643 flow [2023-11-21 20:59:39,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 298 transitions, 636 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 20:59:39,832 INFO L231 Difference]: Finished difference. Result has 296 places, 296 transitions, 608 flow [2023-11-21 20:59:39,833 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=608, PETRI_PLACES=296, PETRI_TRANSITIONS=296} [2023-11-21 20:59:39,835 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -39 predicate places. [2023-11-21 20:59:39,836 INFO L495 AbstractCegarLoop]: Abstraction has has 296 places, 296 transitions, 608 flow [2023-11-21 20:59:39,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:39,836 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:59:39,837 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:59:39,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-21 20:59:39,837 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-21 20:59:39,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:39,837 INFO L85 PathProgramCache]: Analyzing trace with hash 273658482, now seen corresponding path program 1 times [2023-11-21 20:59:39,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:39,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248278987] [2023-11-21 20:59:39,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:39,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:40,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:40,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:59:40,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248278987] [2023-11-21 20:59:40,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248278987] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:59:40,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:59:40,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 20:59:40,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022618962] [2023-11-21 20:59:40,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:59:40,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 20:59:40,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:59:40,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 20:59:40,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 20:59:40,049 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 345 out of 369 [2023-11-21 20:59:40,051 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 296 transitions, 608 flow. Second operand has 4 states, 4 states have (on average 346.25) internal successors, (1385), 4 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:40,051 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:59:40,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 345 of 369 [2023-11-21 20:59:40,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:59:40,306 INFO L124 PetriNetUnfolderBase]: 39/992 cut-off events. [2023-11-21 20:59:40,306 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2023-11-21 20:59:40,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1066 conditions, 992 events. 39/992 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3800 event pairs, 3 based on Foata normal form. 1/899 useless extension candidates. Maximal degree in co-relation 1030. Up to 18 conditions per place. [2023-11-21 20:59:40,319 INFO L140 encePairwiseOnDemand]: 363/369 looper letters, 13 selfloop transitions, 6 changer transitions 0/305 dead transitions. [2023-11-21 20:59:40,320 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 305 transitions, 668 flow [2023-11-21 20:59:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 20:59:40,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-21 20:59:40,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1745 transitions. [2023-11-21 20:59:40,326 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.94579945799458 [2023-11-21 20:59:40,327 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1745 transitions. [2023-11-21 20:59:40,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1745 transitions. [2023-11-21 20:59:40,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:59:40,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1745 transitions. [2023-11-21 20:59:40,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 349.0) internal successors, (1745), 5 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:40,339 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 369.0) internal successors, (2214), 6 states have internal predecessors, (2214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:40,340 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 369.0) internal successors, (2214), 6 states have internal predecessors, (2214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:40,340 INFO L175 Difference]: Start difference. First operand has 296 places, 296 transitions, 608 flow. Second operand 5 states and 1745 transitions. [2023-11-21 20:59:40,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 305 transitions, 668 flow [2023-11-21 20:59:40,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 305 transitions, 668 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 20:59:40,350 INFO L231 Difference]: Finished difference. Result has 303 places, 300 transitions, 646 flow [2023-11-21 20:59:40,350 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=646, PETRI_PLACES=303, PETRI_TRANSITIONS=300} [2023-11-21 20:59:40,351 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -32 predicate places. [2023-11-21 20:59:40,351 INFO L495 AbstractCegarLoop]: Abstraction has has 303 places, 300 transitions, 646 flow [2023-11-21 20:59:40,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 346.25) internal successors, (1385), 4 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:40,352 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:59:40,352 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:59:40,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-21 20:59:40,353 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-21 20:59:40,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:40,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1774773332, now seen corresponding path program 1 times [2023-11-21 20:59:40,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:40,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705481311] [2023-11-21 20:59:40,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:40,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:41,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:41,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:59:41,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705481311] [2023-11-21 20:59:41,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705481311] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:59:41,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:59:41,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 20:59:41,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373051134] [2023-11-21 20:59:41,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:59:41,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 20:59:41,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:59:41,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 20:59:41,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 20:59:41,457 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 369 [2023-11-21 20:59:41,459 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 300 transitions, 646 flow. Second operand has 6 states, 6 states have (on average 339.6666666666667) internal successors, (2038), 6 states have internal predecessors, (2038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:41,459 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:59:41,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 369 [2023-11-21 20:59:41,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:59:41,602 INFO L124 PetriNetUnfolderBase]: 18/611 cut-off events. [2023-11-21 20:59:41,603 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2023-11-21 20:59:41,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 669 conditions, 611 events. 18/611 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1368 event pairs, 1 based on Foata normal form. 0/560 useless extension candidates. Maximal degree in co-relation 627. Up to 11 conditions per place. [2023-11-21 20:59:41,612 INFO L140 encePairwiseOnDemand]: 364/369 looper letters, 10 selfloop transitions, 4 changer transitions 0/299 dead transitions. [2023-11-21 20:59:41,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 299 transitions, 672 flow [2023-11-21 20:59:41,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 20:59:41,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 20:59:41,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2043 transitions. [2023-11-21 20:59:41,621 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9227642276422764 [2023-11-21 20:59:41,621 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2043 transitions. [2023-11-21 20:59:41,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2043 transitions. [2023-11-21 20:59:41,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:59:41,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2043 transitions. [2023-11-21 20:59:41,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 340.5) internal successors, (2043), 6 states have internal predecessors, (2043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:41,634 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 369.0) internal successors, (2583), 7 states have internal predecessors, (2583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:41,636 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 369.0) internal successors, (2583), 7 states have internal predecessors, (2583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:41,636 INFO L175 Difference]: Start difference. First operand has 303 places, 300 transitions, 646 flow. Second operand 6 states and 2043 transitions. [2023-11-21 20:59:41,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 299 transitions, 672 flow [2023-11-21 20:59:41,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 299 transitions, 672 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 20:59:41,645 INFO L231 Difference]: Finished difference. Result has 307 places, 299 transitions, 652 flow [2023-11-21 20:59:41,646 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=652, PETRI_PLACES=307, PETRI_TRANSITIONS=299} [2023-11-21 20:59:41,647 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -28 predicate places. [2023-11-21 20:59:41,647 INFO L495 AbstractCegarLoop]: Abstraction has has 307 places, 299 transitions, 652 flow [2023-11-21 20:59:41,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 339.6666666666667) internal successors, (2038), 6 states have internal predecessors, (2038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:41,649 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:59:41,649 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:59:41,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-21 20:59:41,650 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-21 20:59:41,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:41,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1358982555, now seen corresponding path program 1 times [2023-11-21 20:59:41,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:41,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487009822] [2023-11-21 20:59:41,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:41,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:42,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:42,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:59:42,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487009822] [2023-11-21 20:59:42,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487009822] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:59:42,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:59:42,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 20:59:42,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459198680] [2023-11-21 20:59:42,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:59:42,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 20:59:42,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:59:42,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 20:59:42,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 20:59:42,643 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 369 [2023-11-21 20:59:42,645 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 299 transitions, 652 flow. Second operand has 6 states, 6 states have (on average 339.5) internal successors, (2037), 6 states have internal predecessors, (2037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:42,645 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:59:42,645 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 369 [2023-11-21 20:59:42,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:59:42,815 INFO L124 PetriNetUnfolderBase]: 34/765 cut-off events. [2023-11-21 20:59:42,815 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-21 20:59:42,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 874 conditions, 765 events. 34/765 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2349 event pairs, 2 based on Foata normal form. 0/702 useless extension candidates. Maximal degree in co-relation 849. Up to 17 conditions per place. [2023-11-21 20:59:42,825 INFO L140 encePairwiseOnDemand]: 363/369 looper letters, 15 selfloop transitions, 6 changer transitions 0/302 dead transitions. [2023-11-21 20:59:42,826 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 302 transitions, 704 flow [2023-11-21 20:59:42,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 20:59:42,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 20:59:42,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2049 transitions. [2023-11-21 20:59:42,832 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9254742547425474 [2023-11-21 20:59:42,833 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2049 transitions. [2023-11-21 20:59:42,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2049 transitions. [2023-11-21 20:59:42,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:59:42,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2049 transitions. [2023-11-21 20:59:42,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 341.5) internal successors, (2049), 6 states have internal predecessors, (2049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:42,844 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 369.0) internal successors, (2583), 7 states have internal predecessors, (2583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:42,845 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 369.0) internal successors, (2583), 7 states have internal predecessors, (2583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:42,845 INFO L175 Difference]: Start difference. First operand has 307 places, 299 transitions, 652 flow. Second operand 6 states and 2049 transitions. [2023-11-21 20:59:42,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 302 transitions, 704 flow [2023-11-21 20:59:42,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 302 transitions, 697 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 20:59:42,854 INFO L231 Difference]: Finished difference. Result has 307 places, 298 transitions, 655 flow [2023-11-21 20:59:42,855 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=643, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=655, PETRI_PLACES=307, PETRI_TRANSITIONS=298} [2023-11-21 20:59:42,856 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -28 predicate places. [2023-11-21 20:59:42,857 INFO L495 AbstractCegarLoop]: Abstraction has has 307 places, 298 transitions, 655 flow [2023-11-21 20:59:42,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 339.5) internal successors, (2037), 6 states have internal predecessors, (2037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:42,858 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:59:42,858 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:59:42,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-21 20:59:42,858 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-21 20:59:42,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:42,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1796452143, now seen corresponding path program 1 times [2023-11-21 20:59:42,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:42,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179400007] [2023-11-21 20:59:42,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:42,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:42,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:42,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:59:42,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179400007] [2023-11-21 20:59:42,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179400007] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:59:42,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:59:42,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 20:59:42,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832030297] [2023-11-21 20:59:42,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:59:42,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 20:59:42,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:59:42,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 20:59:42,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 20:59:43,074 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 369 [2023-11-21 20:59:43,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 298 transitions, 655 flow. Second operand has 4 states, 4 states have (on average 344.5) internal successors, (1378), 4 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:43,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:59:43,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 369 [2023-11-21 20:59:43,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:59:43,307 INFO L124 PetriNetUnfolderBase]: 49/982 cut-off events. [2023-11-21 20:59:43,308 INFO L125 PetriNetUnfolderBase]: For 32/33 co-relation queries the response was YES. [2023-11-21 20:59:43,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1127 conditions, 982 events. 49/982 cut-off events. For 32/33 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 4422 event pairs, 4 based on Foata normal form. 0/898 useless extension candidates. Maximal degree in co-relation 1085. Up to 53 conditions per place. [2023-11-21 20:59:43,321 INFO L140 encePairwiseOnDemand]: 363/369 looper letters, 14 selfloop transitions, 6 changer transitions 0/306 dead transitions. [2023-11-21 20:59:43,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 306 transitions, 714 flow [2023-11-21 20:59:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 20:59:43,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-21 20:59:43,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1736 transitions. [2023-11-21 20:59:43,327 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9409214092140922 [2023-11-21 20:59:43,327 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1736 transitions. [2023-11-21 20:59:43,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1736 transitions. [2023-11-21 20:59:43,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:59:43,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1736 transitions. [2023-11-21 20:59:43,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 347.2) internal successors, (1736), 5 states have internal predecessors, (1736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:43,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 369.0) internal successors, (2214), 6 states have internal predecessors, (2214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:43,338 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 369.0) internal successors, (2214), 6 states have internal predecessors, (2214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:43,339 INFO L175 Difference]: Start difference. First operand has 307 places, 298 transitions, 655 flow. Second operand 5 states and 1736 transitions. [2023-11-21 20:59:43,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 306 transitions, 714 flow [2023-11-21 20:59:43,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 306 transitions, 702 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-21 20:59:43,348 INFO L231 Difference]: Finished difference. Result has 309 places, 302 transitions, 681 flow [2023-11-21 20:59:43,349 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=643, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=681, PETRI_PLACES=309, PETRI_TRANSITIONS=302} [2023-11-21 20:59:43,350 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -26 predicate places. [2023-11-21 20:59:43,350 INFO L495 AbstractCegarLoop]: Abstraction has has 309 places, 302 transitions, 681 flow [2023-11-21 20:59:43,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 344.5) internal successors, (1378), 4 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:43,351 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:59:43,351 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:59:43,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-21 20:59:43,352 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-21 20:59:43,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:43,353 INFO L85 PathProgramCache]: Analyzing trace with hash 672717544, now seen corresponding path program 1 times [2023-11-21 20:59:43,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:43,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827559503] [2023-11-21 20:59:43,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:43,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:43,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:43,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:59:43,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827559503] [2023-11-21 20:59:43,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827559503] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:59:43,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:59:43,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 20:59:43,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650905634] [2023-11-21 20:59:43,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:59:43,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 20:59:43,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:59:43,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 20:59:43,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 20:59:43,435 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 369 [2023-11-21 20:59:43,436 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 302 transitions, 681 flow. Second operand has 3 states, 3 states have (on average 345.3333333333333) internal successors, (1036), 3 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:43,436 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:59:43,437 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 369 [2023-11-21 20:59:43,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:59:43,592 INFO L124 PetriNetUnfolderBase]: 31/723 cut-off events. [2023-11-21 20:59:43,593 INFO L125 PetriNetUnfolderBase]: For 20/21 co-relation queries the response was YES. [2023-11-21 20:59:43,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 859 conditions, 723 events. 31/723 cut-off events. For 20/21 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 2020 event pairs, 10 based on Foata normal form. 0/673 useless extension candidates. Maximal degree in co-relation 814. Up to 29 conditions per place. [2023-11-21 20:59:43,605 INFO L140 encePairwiseOnDemand]: 366/369 looper letters, 9 selfloop transitions, 2 changer transitions 0/302 dead transitions. [2023-11-21 20:59:43,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 302 transitions, 704 flow [2023-11-21 20:59:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 20:59:43,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 20:59:43,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1041 transitions. [2023-11-21 20:59:43,609 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.940379403794038 [2023-11-21 20:59:43,609 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1041 transitions. [2023-11-21 20:59:43,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1041 transitions. [2023-11-21 20:59:43,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:59:43,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1041 transitions. [2023-11-21 20:59:43,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 347.0) internal successors, (1041), 3 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:43,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:43,617 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:43,617 INFO L175 Difference]: Start difference. First operand has 309 places, 302 transitions, 681 flow. Second operand 3 states and 1041 transitions. [2023-11-21 20:59:43,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 302 transitions, 704 flow [2023-11-21 20:59:43,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 302 transitions, 704 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 20:59:43,627 INFO L231 Difference]: Finished difference. Result has 310 places, 301 transitions, 683 flow [2023-11-21 20:59:43,628 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=679, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=683, PETRI_PLACES=310, PETRI_TRANSITIONS=301} [2023-11-21 20:59:43,630 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -25 predicate places. [2023-11-21 20:59:43,630 INFO L495 AbstractCegarLoop]: Abstraction has has 310 places, 301 transitions, 683 flow [2023-11-21 20:59:43,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 345.3333333333333) internal successors, (1036), 3 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:43,631 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:59:43,631 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:59:43,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-21 20:59:43,631 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-21 20:59:43,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:43,632 INFO L85 PathProgramCache]: Analyzing trace with hash -520231361, now seen corresponding path program 1 times [2023-11-21 20:59:43,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:43,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347080344] [2023-11-21 20:59:43,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:43,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:44,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:44,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:59:44,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347080344] [2023-11-21 20:59:44,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347080344] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:59:44,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:59:44,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 20:59:44,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370165899] [2023-11-21 20:59:44,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:59:44,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 20:59:44,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:59:44,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 20:59:44,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 20:59:44,521 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 369 [2023-11-21 20:59:44,523 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 301 transitions, 683 flow. Second operand has 6 states, 6 states have (on average 325.6666666666667) internal successors, (1954), 6 states have internal predecessors, (1954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:44,523 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:59:44,523 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 369 [2023-11-21 20:59:44,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:59:44,748 INFO L124 PetriNetUnfolderBase]: 70/847 cut-off events. [2023-11-21 20:59:44,748 INFO L125 PetriNetUnfolderBase]: For 67/68 co-relation queries the response was YES. [2023-11-21 20:59:44,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1118 conditions, 847 events. 70/847 cut-off events. For 67/68 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4261 event pairs, 8 based on Foata normal form. 0/799 useless extension candidates. Maximal degree in co-relation 1070. Up to 56 conditions per place. [2023-11-21 20:59:44,758 INFO L140 encePairwiseOnDemand]: 351/369 looper letters, 17 selfloop transitions, 16 changer transitions 0/302 dead transitions. [2023-11-21 20:59:44,759 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 302 transitions, 755 flow [2023-11-21 20:59:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 20:59:44,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 20:59:44,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1979 transitions. [2023-11-21 20:59:44,766 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8938572719060524 [2023-11-21 20:59:44,766 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1979 transitions. [2023-11-21 20:59:44,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1979 transitions. [2023-11-21 20:59:44,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:59:44,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1979 transitions. [2023-11-21 20:59:44,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 329.8333333333333) internal successors, (1979), 6 states have internal predecessors, (1979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:44,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 369.0) internal successors, (2583), 7 states have internal predecessors, (2583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:44,783 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 369.0) internal successors, (2583), 7 states have internal predecessors, (2583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:44,783 INFO L175 Difference]: Start difference. First operand has 310 places, 301 transitions, 683 flow. Second operand 6 states and 1979 transitions. [2023-11-21 20:59:44,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 302 transitions, 755 flow [2023-11-21 20:59:44,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 302 transitions, 751 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 20:59:44,792 INFO L231 Difference]: Finished difference. Result has 310 places, 298 transitions, 705 flow [2023-11-21 20:59:44,793 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=673, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=705, PETRI_PLACES=310, PETRI_TRANSITIONS=298} [2023-11-21 20:59:44,793 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -25 predicate places. [2023-11-21 20:59:44,794 INFO L495 AbstractCegarLoop]: Abstraction has has 310 places, 298 transitions, 705 flow [2023-11-21 20:59:44,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 325.6666666666667) internal successors, (1954), 6 states have internal predecessors, (1954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:44,795 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:59:44,795 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:59:44,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-21 20:59:44,795 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-21 20:59:44,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:44,796 INFO L85 PathProgramCache]: Analyzing trace with hash -925923454, now seen corresponding path program 1 times [2023-11-21 20:59:44,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:44,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218641369] [2023-11-21 20:59:44,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:44,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:44,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:44,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:59:44,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218641369] [2023-11-21 20:59:44,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218641369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:59:44,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:59:44,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 20:59:44,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641387466] [2023-11-21 20:59:44,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:59:44,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 20:59:44,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:59:44,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 20:59:44,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 20:59:44,912 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 369 [2023-11-21 20:59:44,913 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 298 transitions, 705 flow. Second operand has 3 states, 3 states have (on average 337.6666666666667) internal successors, (1013), 3 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:44,913 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:59:44,913 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 369 [2023-11-21 20:59:44,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:59:45,131 INFO L124 PetriNetUnfolderBase]: 63/957 cut-off events. [2023-11-21 20:59:45,132 INFO L125 PetriNetUnfolderBase]: For 75/76 co-relation queries the response was YES. [2023-11-21 20:59:45,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1291 conditions, 957 events. 63/957 cut-off events. For 75/76 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4498 event pairs, 34 based on Foata normal form. 0/904 useless extension candidates. Maximal degree in co-relation 1245. Up to 113 conditions per place. [2023-11-21 20:59:45,163 INFO L140 encePairwiseOnDemand]: 366/369 looper letters, 17 selfloop transitions, 2 changer transitions 0/298 dead transitions. [2023-11-21 20:59:45,163 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 298 transitions, 744 flow [2023-11-21 20:59:45,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 20:59:45,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 20:59:45,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1025 transitions. [2023-11-21 20:59:45,167 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9259259259259259 [2023-11-21 20:59:45,167 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1025 transitions. [2023-11-21 20:59:45,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1025 transitions. [2023-11-21 20:59:45,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:59:45,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1025 transitions. [2023-11-21 20:59:45,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 341.6666666666667) internal successors, (1025), 3 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:45,175 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:45,175 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:45,176 INFO L175 Difference]: Start difference. First operand has 310 places, 298 transitions, 705 flow. Second operand 3 states and 1025 transitions. [2023-11-21 20:59:45,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 298 transitions, 744 flow [2023-11-21 20:59:45,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 298 transitions, 712 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-21 20:59:45,185 INFO L231 Difference]: Finished difference. Result has 306 places, 297 transitions, 675 flow [2023-11-21 20:59:45,186 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=671, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=675, PETRI_PLACES=306, PETRI_TRANSITIONS=297} [2023-11-21 20:59:45,186 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -29 predicate places. [2023-11-21 20:59:45,186 INFO L495 AbstractCegarLoop]: Abstraction has has 306 places, 297 transitions, 675 flow [2023-11-21 20:59:45,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 337.6666666666667) internal successors, (1013), 3 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:45,187 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:59:45,187 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:59:45,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-21 20:59:45,188 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-21 20:59:45,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:45,188 INFO L85 PathProgramCache]: Analyzing trace with hash 665171929, now seen corresponding path program 1 times [2023-11-21 20:59:45,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:45,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246637299] [2023-11-21 20:59:45,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:45,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:45,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:45,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:59:45,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246637299] [2023-11-21 20:59:45,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246637299] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:59:45,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:59:45,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 20:59:45,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083144336] [2023-11-21 20:59:45,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:59:45,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 20:59:45,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:59:45,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 20:59:45,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 20:59:45,311 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 369 [2023-11-21 20:59:45,312 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 297 transitions, 675 flow. Second operand has 3 states, 3 states have (on average 338.6666666666667) internal successors, (1016), 3 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:45,313 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:59:45,313 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 369 [2023-11-21 20:59:45,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:59:45,506 INFO L124 PetriNetUnfolderBase]: 63/952 cut-off events. [2023-11-21 20:59:45,506 INFO L125 PetriNetUnfolderBase]: For 65/66 co-relation queries the response was YES. [2023-11-21 20:59:45,514 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1196 conditions, 952 events. 63/952 cut-off events. For 65/66 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4494 event pairs, 34 based on Foata normal form. 0/904 useless extension candidates. Maximal degree in co-relation 1150. Up to 113 conditions per place. [2023-11-21 20:59:45,516 INFO L140 encePairwiseOnDemand]: 366/369 looper letters, 17 selfloop transitions, 2 changer transitions 0/297 dead transitions. [2023-11-21 20:59:45,517 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 297 transitions, 714 flow [2023-11-21 20:59:45,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 20:59:45,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 20:59:45,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1025 transitions. [2023-11-21 20:59:45,521 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9259259259259259 [2023-11-21 20:59:45,521 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1025 transitions. [2023-11-21 20:59:45,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1025 transitions. [2023-11-21 20:59:45,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:59:45,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1025 transitions. [2023-11-21 20:59:45,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 341.6666666666667) internal successors, (1025), 3 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:45,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:45,529 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:45,529 INFO L175 Difference]: Start difference. First operand has 306 places, 297 transitions, 675 flow. Second operand 3 states and 1025 transitions. [2023-11-21 20:59:45,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 297 transitions, 714 flow [2023-11-21 20:59:45,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 297 transitions, 710 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 20:59:45,539 INFO L231 Difference]: Finished difference. Result has 305 places, 296 transitions, 673 flow [2023-11-21 20:59:45,539 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=669, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=673, PETRI_PLACES=305, PETRI_TRANSITIONS=296} [2023-11-21 20:59:45,540 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -30 predicate places. [2023-11-21 20:59:45,540 INFO L495 AbstractCegarLoop]: Abstraction has has 305 places, 296 transitions, 673 flow [2023-11-21 20:59:45,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 338.6666666666667) internal successors, (1016), 3 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:45,541 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:59:45,541 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:59:45,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-21 20:59:45,541 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-21 20:59:45,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:45,542 INFO L85 PathProgramCache]: Analyzing trace with hash -872340912, now seen corresponding path program 1 times [2023-11-21 20:59:45,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:45,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331683074] [2023-11-21 20:59:45,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:45,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:45,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:45,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:59:45,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331683074] [2023-11-21 20:59:45,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331683074] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:59:45,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:59:45,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 20:59:45,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071803272] [2023-11-21 20:59:45,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:59:45,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 20:59:45,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:59:45,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 20:59:45,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 20:59:45,690 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 369 [2023-11-21 20:59:45,692 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 296 transitions, 673 flow. Second operand has 3 states, 3 states have (on average 339.6666666666667) internal successors, (1019), 3 states have internal predecessors, (1019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:45,692 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:59:45,692 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 369 [2023-11-21 20:59:45,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:59:45,886 INFO L124 PetriNetUnfolderBase]: 63/947 cut-off events. [2023-11-21 20:59:45,886 INFO L125 PetriNetUnfolderBase]: For 65/66 co-relation queries the response was YES. [2023-11-21 20:59:45,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1191 conditions, 947 events. 63/947 cut-off events. For 65/66 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4527 event pairs, 34 based on Foata normal form. 0/904 useless extension candidates. Maximal degree in co-relation 1145. Up to 113 conditions per place. [2023-11-21 20:59:45,894 INFO L140 encePairwiseOnDemand]: 366/369 looper letters, 0 selfloop transitions, 0 changer transitions 296/296 dead transitions. [2023-11-21 20:59:45,894 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 296 transitions, 712 flow [2023-11-21 20:59:45,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 20:59:45,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 20:59:45,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1025 transitions. [2023-11-21 20:59:45,899 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9259259259259259 [2023-11-21 20:59:45,899 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1025 transitions. [2023-11-21 20:59:45,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1025 transitions. [2023-11-21 20:59:45,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:59:45,900 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1025 transitions. [2023-11-21 20:59:45,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 341.6666666666667) internal successors, (1025), 3 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:45,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:45,906 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:45,906 INFO L175 Difference]: Start difference. First operand has 305 places, 296 transitions, 673 flow. Second operand 3 states and 1025 transitions. [2023-11-21 20:59:45,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 296 transitions, 712 flow [2023-11-21 20:59:45,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 296 transitions, 708 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 20:59:45,912 INFO L231 Difference]: Finished difference. Result has 304 places, 0 transitions, 0 flow [2023-11-21 20:59:45,913 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=667, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=304, PETRI_TRANSITIONS=0} [2023-11-21 20:59:45,913 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -31 predicate places. [2023-11-21 20:59:45,913 INFO L495 AbstractCegarLoop]: Abstraction has has 304 places, 0 transitions, 0 flow [2023-11-21 20:59:45,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 339.6666666666667) internal successors, (1019), 3 states have internal predecessors, (1019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:45,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (72 of 73 remaining) [2023-11-21 20:59:45,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (71 of 73 remaining) [2023-11-21 20:59:45,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (70 of 73 remaining) [2023-11-21 20:59:45,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (69 of 73 remaining) [2023-11-21 20:59:45,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (68 of 73 remaining) [2023-11-21 20:59:45,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (67 of 73 remaining) [2023-11-21 20:59:45,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (66 of 73 remaining) [2023-11-21 20:59:45,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (65 of 73 remaining) [2023-11-21 20:59:45,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (64 of 73 remaining) [2023-11-21 20:59:45,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (63 of 73 remaining) [2023-11-21 20:59:45,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (62 of 73 remaining) [2023-11-21 20:59:45,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (61 of 73 remaining) [2023-11-21 20:59:45,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (60 of 73 remaining) [2023-11-21 20:59:45,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (59 of 73 remaining) [2023-11-21 20:59:45,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (58 of 73 remaining) [2023-11-21 20:59:45,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (57 of 73 remaining) [2023-11-21 20:59:45,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (56 of 73 remaining) [2023-11-21 20:59:45,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (55 of 73 remaining) [2023-11-21 20:59:45,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (54 of 73 remaining) [2023-11-21 20:59:45,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (53 of 73 remaining) [2023-11-21 20:59:45,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (52 of 73 remaining) [2023-11-21 20:59:45,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (51 of 73 remaining) [2023-11-21 20:59:45,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (50 of 73 remaining) [2023-11-21 20:59:45,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (49 of 73 remaining) [2023-11-21 20:59:45,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (48 of 73 remaining) [2023-11-21 20:59:45,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (47 of 73 remaining) [2023-11-21 20:59:45,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (46 of 73 remaining) [2023-11-21 20:59:45,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (45 of 73 remaining) [2023-11-21 20:59:45,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (44 of 73 remaining) [2023-11-21 20:59:45,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (43 of 73 remaining) [2023-11-21 20:59:45,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 73 remaining) [2023-11-21 20:59:45,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (41 of 73 remaining) [2023-11-21 20:59:45,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (40 of 73 remaining) [2023-11-21 20:59:45,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 73 remaining) [2023-11-21 20:59:45,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (38 of 73 remaining) [2023-11-21 20:59:45,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (37 of 73 remaining) [2023-11-21 20:59:45,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 73 remaining) [2023-11-21 20:59:45,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 73 remaining) [2023-11-21 20:59:45,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 73 remaining) [2023-11-21 20:59:45,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 73 remaining) [2023-11-21 20:59:45,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (32 of 73 remaining) [2023-11-21 20:59:45,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 73 remaining) [2023-11-21 20:59:45,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 73 remaining) [2023-11-21 20:59:45,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 73 remaining) [2023-11-21 20:59:45,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 73 remaining) [2023-11-21 20:59:45,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 73 remaining) [2023-11-21 20:59:45,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 73 remaining) [2023-11-21 20:59:45,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 73 remaining) [2023-11-21 20:59:45,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (24 of 73 remaining) [2023-11-21 20:59:45,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (23 of 73 remaining) [2023-11-21 20:59:45,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (22 of 73 remaining) [2023-11-21 20:59:45,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 73 remaining) [2023-11-21 20:59:45,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 73 remaining) [2023-11-21 20:59:45,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 73 remaining) [2023-11-21 20:59:45,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 73 remaining) [2023-11-21 20:59:45,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 73 remaining) [2023-11-21 20:59:45,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (16 of 73 remaining) [2023-11-21 20:59:45,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (15 of 73 remaining) [2023-11-21 20:59:45,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (14 of 73 remaining) [2023-11-21 20:59:45,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 73 remaining) [2023-11-21 20:59:45,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (12 of 73 remaining) [2023-11-21 20:59:45,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (11 of 73 remaining) [2023-11-21 20:59:45,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (10 of 73 remaining) [2023-11-21 20:59:45,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (9 of 73 remaining) [2023-11-21 20:59:45,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (8 of 73 remaining) [2023-11-21 20:59:45,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (7 of 73 remaining) [2023-11-21 20:59:45,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (6 of 73 remaining) [2023-11-21 20:59:45,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (5 of 73 remaining) [2023-11-21 20:59:45,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (4 of 73 remaining) [2023-11-21 20:59:45,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (3 of 73 remaining) [2023-11-21 20:59:45,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (2 of 73 remaining) [2023-11-21 20:59:45,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (1 of 73 remaining) [2023-11-21 20:59:45,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (0 of 73 remaining) [2023-11-21 20:59:45,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-21 20:59:45,932 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:59:45,938 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-21 20:59:45,938 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 20:59:45,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 08:59:45 BasicIcfg [2023-11-21 20:59:45,945 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 20:59:45,946 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 20:59:45,946 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 20:59:45,946 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 20:59:45,947 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:59:32" (3/4) ... [2023-11-21 20:59:45,950 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 20:59:45,953 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-21 20:59:45,953 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-21 20:59:45,960 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-21 20:59:45,961 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 20:59:45,961 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 20:59:45,962 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 20:59:46,081 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c77686b-6033-4282-be04-08deca9e5f8f/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 20:59:46,082 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c77686b-6033-4282-be04-08deca9e5f8f/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 20:59:46,082 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 20:59:46,083 INFO L158 Benchmark]: Toolchain (without parser) took 14498.35ms. Allocated memory was 153.1MB in the beginning and 383.8MB in the end (delta: 230.7MB). Free memory was 108.9MB in the beginning and 93.8MB in the end (delta: 15.1MB). Peak memory consumption was 247.8MB. Max. memory is 16.1GB. [2023-11-21 20:59:46,083 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 61.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:59:46,083 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.11ms. Allocated memory is still 153.1MB. Free memory was 108.3MB in the beginning and 95.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 20:59:46,084 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.56ms. Allocated memory is still 153.1MB. Free memory was 95.7MB in the beginning and 93.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 20:59:46,084 INFO L158 Benchmark]: Boogie Preprocessor took 61.94ms. Allocated memory is still 153.1MB. Free memory was 93.1MB in the beginning and 90.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 20:59:46,084 INFO L158 Benchmark]: RCFGBuilder took 942.83ms. Allocated memory is still 153.1MB. Free memory was 90.4MB in the beginning and 111.6MB in the end (delta: -21.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-21 20:59:46,085 INFO L158 Benchmark]: TraceAbstraction took 12948.69ms. Allocated memory was 153.1MB in the beginning and 383.8MB in the end (delta: 230.7MB). Free memory was 111.6MB in the beginning and 99.1MB in the end (delta: 12.5MB). Peak memory consumption was 245.8MB. Max. memory is 16.1GB. [2023-11-21 20:59:46,085 INFO L158 Benchmark]: Witness Printer took 135.95ms. Allocated memory is still 383.8MB. Free memory was 99.1MB in the beginning and 93.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 20:59:46,087 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 61.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.11ms. Allocated memory is still 153.1MB. Free memory was 108.3MB in the beginning and 95.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.56ms. Allocated memory is still 153.1MB. Free memory was 95.7MB in the beginning and 93.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.94ms. Allocated memory is still 153.1MB. Free memory was 93.1MB in the beginning and 90.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 942.83ms. Allocated memory is still 153.1MB. Free memory was 90.4MB in the beginning and 111.6MB in the end (delta: -21.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 12948.69ms. Allocated memory was 153.1MB in the beginning and 383.8MB in the end (delta: 230.7MB). Free memory was 111.6MB in the beginning and 99.1MB in the end (delta: 12.5MB). Peak memory consumption was 245.8MB. Max. memory is 16.1GB. * Witness Printer took 135.95ms. Allocated memory is still 383.8MB. Free memory was 99.1MB in the beginning and 93.8MB 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: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: 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: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 543 locations, 73 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: 12.8s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1460 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 635 mSDsluCounter, 215 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 434 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2158 IncrementalHoareTripleChecker+Invalid, 2592 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 434 mSolverCounterUnsat, 192 mSDtfsCounter, 2158 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=705occurred in iteration=16, InterpolantAutomatonStates: 76, 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, 3.8s InterpolantComputationTime, 1841 NumberOfCodeBlocks, 1841 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1822 ConstructedInterpolants, 0 QuantifiedInterpolants, 2699 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 41 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-21 20:59:46,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c77686b-6033-4282-be04-08deca9e5f8f/bin/uautomizer-verify-bycVGegfSx/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