./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1971d756-6b0c-4880-bb73-cc18f83850d6/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1971d756-6b0c-4880-bb73-cc18f83850d6/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1971d756-6b0c-4880-bb73-cc18f83850d6/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1971d756-6b0c-4880-bb73-cc18f83850d6/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1971d756-6b0c-4880-bb73-cc18f83850d6/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1971d756-6b0c-4880-bb73-cc18f83850d6/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8fabb88ade703ed67646ecdb87c815e5ac82dedce1b2b43f0f0859c8695912d8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:37:26,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:37:26,627 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1971d756-6b0c-4880-bb73-cc18f83850d6/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 00:37:26,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:37:26,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:37:26,660 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:37:26,661 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:37:26,662 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:37:26,662 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:37:26,663 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:37:26,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:37:26,664 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:37:26,665 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:37:26,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:37:26,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:37:26,667 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:37:26,667 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:37:26,668 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:37:26,668 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:37:26,669 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:37:26,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:37:26,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:37:26,671 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 00:37:26,671 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 00:37:26,672 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:37:26,672 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:37:26,673 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:37:26,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:37:26,674 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:37:26,674 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:37:26,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:37:26,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:37:26,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:37:26,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:37:26,676 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:37:26,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:37:26,676 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:37:26,677 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:37:26,677 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:37:26,677 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:37:26,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:37:26,678 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_1971d756-6b0c-4880-bb73-cc18f83850d6/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1971d756-6b0c-4880-bb73-cc18f83850d6/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fabb88ade703ed67646ecdb87c815e5ac82dedce1b2b43f0f0859c8695912d8 [2023-11-29 00:37:26,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:37:26,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:37:26,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:37:26,937 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:37:26,938 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:37:26,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1971d756-6b0c-4880-bb73-cc18f83850d6/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i [2023-11-29 00:37:29,749 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:37:30,046 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:37:30,047 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1971d756-6b0c-4880-bb73-cc18f83850d6/sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i [2023-11-29 00:37:30,069 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1971d756-6b0c-4880-bb73-cc18f83850d6/bin/uautomizer-verify-BQ2R08f2Ya/data/183928170/f7cfdb575e3b400482927f920043b4f7/FLAGee433c1c1 [2023-11-29 00:37:30,086 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1971d756-6b0c-4880-bb73-cc18f83850d6/bin/uautomizer-verify-BQ2R08f2Ya/data/183928170/f7cfdb575e3b400482927f920043b4f7 [2023-11-29 00:37:30,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:37:30,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:37:30,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:37:30,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:37:30,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:37:30,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:37:30" (1/1) ... [2023-11-29 00:37:30,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63834f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:30, skipping insertion in model container [2023-11-29 00:37:30,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:37:30" (1/1) ... [2023-11-29 00:37:30,157 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:37:30,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:37:30,801 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:37:30,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:37:30,938 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:37:30,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:30 WrapperNode [2023-11-29 00:37:30,938 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:37:30,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:37:30,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:37:30,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:37:30,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:30" (1/1) ... [2023-11-29 00:37:30,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:30" (1/1) ... [2023-11-29 00:37:31,001 INFO L138 Inliner]: procedures = 369, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 179 [2023-11-29 00:37:31,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:37:31,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:37:31,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:37:31,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:37:31,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:30" (1/1) ... [2023-11-29 00:37:31,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:30" (1/1) ... [2023-11-29 00:37:31,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:30" (1/1) ... [2023-11-29 00:37:31,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:30" (1/1) ... [2023-11-29 00:37:31,036 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:30" (1/1) ... [2023-11-29 00:37:31,038 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:30" (1/1) ... [2023-11-29 00:37:31,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:30" (1/1) ... [2023-11-29 00:37:31,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:30" (1/1) ... [2023-11-29 00:37:31,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:37:31,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:37:31,046 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:37:31,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:37:31,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:30" (1/1) ... [2023-11-29 00:37:31,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:37:31,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1971d756-6b0c-4880-bb73-cc18f83850d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:37:31,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1971d756-6b0c-4880-bb73-cc18f83850d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:37:31,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1971d756-6b0c-4880-bb73-cc18f83850d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:37:31,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 00:37:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-29 00:37:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 00:37:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-29 00:37:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 00:37:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 00:37:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-29 00:37:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 00:37:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:37:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-29 00:37:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-29 00:37:31,133 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-29 00:37:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 00:37:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:37:31,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:37:31,135 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 00:37:31,302 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:37:31,304 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:37:31,804 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:37:31,838 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:37:31,839 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 00:37:31,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:37:31 BoogieIcfgContainer [2023-11-29 00:37:31,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:37:31,845 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:37:31,845 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:37:31,849 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:37:31,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:37:30" (1/3) ... [2023-11-29 00:37:31,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632cbd67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:37:31, skipping insertion in model container [2023-11-29 00:37:31,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:30" (2/3) ... [2023-11-29 00:37:31,851 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632cbd67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:37:31, skipping insertion in model container [2023-11-29 00:37:31,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:37:31" (3/3) ... [2023-11-29 00:37:31,852 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_03-list2_rc.i [2023-11-29 00:37:31,863 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 00:37:31,875 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:37:31,875 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2023-11-29 00:37:31,875 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 00:37:32,012 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 00:37:32,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 280 places, 276 transitions, 556 flow [2023-11-29 00:37:32,170 INFO L124 PetriNetUnfolderBase]: 0/275 cut-off events. [2023-11-29 00:37:32,171 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 00:37:32,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 275 events. 0/275 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 159 event pairs, 0 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-29 00:37:32,175 INFO L82 GeneralOperation]: Start removeDead. Operand has 280 places, 276 transitions, 556 flow [2023-11-29 00:37:32,183 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 279 places, 275 transitions, 553 flow [2023-11-29 00:37:32,195 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:37:32,203 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;@60b49fa8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:37:32,203 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2023-11-29 00:37:32,212 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 00:37:32,213 INFO L124 PetriNetUnfolderBase]: 0/34 cut-off events. [2023-11-29 00:37:32,213 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 00:37:32,213 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:37:32,214 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] [2023-11-29 00:37:32,214 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:37:32,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:32,221 INFO L85 PathProgramCache]: Analyzing trace with hash 2047347141, now seen corresponding path program 1 times [2023-11-29 00:37:32,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:32,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215910753] [2023-11-29 00:37:32,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:32,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:33,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:33,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:33,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215910753] [2023-11-29 00:37:33,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215910753] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:33,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:33,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:37:33,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885182977] [2023-11-29 00:37:33,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:33,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:37:33,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:33,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:37:33,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:37:33,871 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 276 [2023-11-29 00:37:33,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 275 transitions, 553 flow. Second operand has 6 states, 6 states have (on average 187.33333333333334) internal successors, (1124), 6 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:33,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:37:33,878 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 276 [2023-11-29 00:37:33,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:37:34,646 INFO L124 PetriNetUnfolderBase]: 560/2341 cut-off events. [2023-11-29 00:37:34,646 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 00:37:34,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3553 conditions, 2341 events. 560/2341 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 15042 event pairs, 560 based on Foata normal form. 0/2132 useless extension candidates. Maximal degree in co-relation 3366. Up to 1193 conditions per place. [2023-11-29 00:37:34,672 INFO L140 encePairwiseOnDemand]: 258/276 looper letters, 72 selfloop transitions, 15 changer transitions 0/272 dead transitions. [2023-11-29 00:37:34,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 272 transitions, 721 flow [2023-11-29 00:37:34,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:37:34,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:37:34,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1206 transitions. [2023-11-29 00:37:34,696 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7282608695652174 [2023-11-29 00:37:34,697 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1206 transitions. [2023-11-29 00:37:34,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1206 transitions. [2023-11-29 00:37:34,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:37:34,704 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1206 transitions. [2023-11-29 00:37:34,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 201.0) internal successors, (1206), 6 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:34,723 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 276.0) internal successors, (1932), 7 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:34,725 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 276.0) internal successors, (1932), 7 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:34,728 INFO L175 Difference]: Start difference. First operand has 279 places, 275 transitions, 553 flow. Second operand 6 states and 1206 transitions. [2023-11-29 00:37:34,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 272 transitions, 721 flow [2023-11-29 00:37:34,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 272 transitions, 720 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:37:34,744 INFO L231 Difference]: Finished difference. Result has 280 places, 272 transitions, 576 flow [2023-11-29 00:37:34,747 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=576, PETRI_PLACES=280, PETRI_TRANSITIONS=272} [2023-11-29 00:37:34,752 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, 1 predicate places. [2023-11-29 00:37:34,752 INFO L495 AbstractCegarLoop]: Abstraction has has 280 places, 272 transitions, 576 flow [2023-11-29 00:37:34,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 187.33333333333334) internal successors, (1124), 6 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:34,754 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:37:34,754 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] [2023-11-29 00:37:34,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:37:34,755 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:37:34,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:34,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1650303214, now seen corresponding path program 1 times [2023-11-29 00:37:34,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:34,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969775329] [2023-11-29 00:37:34,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:34,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:35,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:35,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:35,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969775329] [2023-11-29 00:37:35,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969775329] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:35,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:35,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:37:35,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846081488] [2023-11-29 00:37:35,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:35,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:37:35,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:35,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:37:35,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:37:35,776 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 276 [2023-11-29 00:37:35,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 272 transitions, 576 flow. Second operand has 6 states, 6 states have (on average 187.33333333333334) internal successors, (1124), 6 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:35,778 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:37:35,778 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 276 [2023-11-29 00:37:35,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:37:36,228 INFO L124 PetriNetUnfolderBase]: 560/2338 cut-off events. [2023-11-29 00:37:36,228 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 00:37:36,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3565 conditions, 2338 events. 560/2338 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 15042 event pairs, 560 based on Foata normal form. 0/2132 useless extension candidates. Maximal degree in co-relation 3407. Up to 1193 conditions per place. [2023-11-29 00:37:36,245 INFO L140 encePairwiseOnDemand]: 258/276 looper letters, 72 selfloop transitions, 15 changer transitions 0/269 dead transitions. [2023-11-29 00:37:36,245 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 269 transitions, 744 flow [2023-11-29 00:37:36,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:37:36,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:37:36,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1206 transitions. [2023-11-29 00:37:36,251 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7282608695652174 [2023-11-29 00:37:36,251 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1206 transitions. [2023-11-29 00:37:36,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1206 transitions. [2023-11-29 00:37:36,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:37:36,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1206 transitions. [2023-11-29 00:37:36,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 201.0) internal successors, (1206), 6 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:36,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 276.0) internal successors, (1932), 7 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:36,265 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 276.0) internal successors, (1932), 7 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:36,265 INFO L175 Difference]: Start difference. First operand has 280 places, 272 transitions, 576 flow. Second operand 6 states and 1206 transitions. [2023-11-29 00:37:36,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 269 transitions, 744 flow [2023-11-29 00:37:36,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 269 transitions, 714 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 00:37:36,273 INFO L231 Difference]: Finished difference. Result has 277 places, 269 transitions, 570 flow [2023-11-29 00:37:36,274 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=570, PETRI_PLACES=277, PETRI_TRANSITIONS=269} [2023-11-29 00:37:36,275 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, -2 predicate places. [2023-11-29 00:37:36,275 INFO L495 AbstractCegarLoop]: Abstraction has has 277 places, 269 transitions, 570 flow [2023-11-29 00:37:36,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 187.33333333333334) internal successors, (1124), 6 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:36,276 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:37:36,277 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] [2023-11-29 00:37:36,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 00:37:36,277 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:37:36,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:36,278 INFO L85 PathProgramCache]: Analyzing trace with hash -49583329, now seen corresponding path program 1 times [2023-11-29 00:37:36,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:36,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026228894] [2023-11-29 00:37:36,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:36,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:36,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:36,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:36,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026228894] [2023-11-29 00:37:36,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026228894] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:36,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:36,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:37:36,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587016114] [2023-11-29 00:37:36,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:36,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:37:36,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:36,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:37:36,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:37:36,365 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 276 [2023-11-29 00:37:36,366 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 269 transitions, 570 flow. Second operand has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:36,366 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:37:36,366 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 276 [2023-11-29 00:37:36,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:37:36,515 INFO L124 PetriNetUnfolderBase]: 30/718 cut-off events. [2023-11-29 00:37:36,516 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 00:37:36,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 817 conditions, 718 events. 30/718 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2639 event pairs, 30 based on Foata normal form. 0/643 useless extension candidates. Maximal degree in co-relation 671. Up to 78 conditions per place. [2023-11-29 00:37:36,520 INFO L140 encePairwiseOnDemand]: 273/276 looper letters, 17 selfloop transitions, 2 changer transitions 0/268 dead transitions. [2023-11-29 00:37:36,520 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 268 transitions, 606 flow [2023-11-29 00:37:36,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:37:36,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:37:36,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 788 transitions. [2023-11-29 00:37:36,524 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9516908212560387 [2023-11-29 00:37:36,524 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 788 transitions. [2023-11-29 00:37:36,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 788 transitions. [2023-11-29 00:37:36,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:37:36,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 788 transitions. [2023-11-29 00:37:36,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:36,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 276.0) internal successors, (1104), 4 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:36,533 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 276.0) internal successors, (1104), 4 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:36,533 INFO L175 Difference]: Start difference. First operand has 277 places, 269 transitions, 570 flow. Second operand 3 states and 788 transitions. [2023-11-29 00:37:36,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 268 transitions, 606 flow [2023-11-29 00:37:36,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 268 transitions, 576 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 00:37:36,540 INFO L231 Difference]: Finished difference. Result has 273 places, 268 transitions, 542 flow [2023-11-29 00:37:36,541 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=538, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=542, PETRI_PLACES=273, PETRI_TRANSITIONS=268} [2023-11-29 00:37:36,542 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, -6 predicate places. [2023-11-29 00:37:36,542 INFO L495 AbstractCegarLoop]: Abstraction has has 273 places, 268 transitions, 542 flow [2023-11-29 00:37:36,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:36,543 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:37:36,543 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] [2023-11-29 00:37:36,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 00:37:36,544 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:37:36,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:36,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1712460837, now seen corresponding path program 1 times [2023-11-29 00:37:36,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:36,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181702471] [2023-11-29 00:37:36,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:36,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:36,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:36,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:36,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181702471] [2023-11-29 00:37:36,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181702471] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:36,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:36,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:37:36,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054382820] [2023-11-29 00:37:36,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:36,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:37:36,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:36,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:37:36,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:37:36,622 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 276 [2023-11-29 00:37:36,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 268 transitions, 542 flow. Second operand has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:36,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:37:36,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 276 [2023-11-29 00:37:36,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:37:36,780 INFO L124 PetriNetUnfolderBase]: 36/750 cut-off events. [2023-11-29 00:37:36,780 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 00:37:36,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 847 conditions, 750 events. 36/750 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2985 event pairs, 36 based on Foata normal form. 0/682 useless extension candidates. Maximal degree in co-relation 788. Up to 89 conditions per place. [2023-11-29 00:37:36,784 INFO L140 encePairwiseOnDemand]: 271/276 looper letters, 17 selfloop transitions, 1 changer transitions 0/264 dead transitions. [2023-11-29 00:37:36,785 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 264 transitions, 570 flow [2023-11-29 00:37:36,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:37:36,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:37:36,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 784 transitions. [2023-11-29 00:37:36,788 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9468599033816425 [2023-11-29 00:37:36,788 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 784 transitions. [2023-11-29 00:37:36,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 784 transitions. [2023-11-29 00:37:36,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:37:36,790 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 784 transitions. [2023-11-29 00:37:36,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:36,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 276.0) internal successors, (1104), 4 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:36,796 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 276.0) internal successors, (1104), 4 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:36,797 INFO L175 Difference]: Start difference. First operand has 273 places, 268 transitions, 542 flow. Second operand 3 states and 784 transitions. [2023-11-29 00:37:36,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 264 transitions, 570 flow [2023-11-29 00:37:36,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 264 transitions, 566 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:37:36,803 INFO L231 Difference]: Finished difference. Result has 269 places, 264 transitions, 532 flow [2023-11-29 00:37:36,804 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=532, PETRI_PLACES=269, PETRI_TRANSITIONS=264} [2023-11-29 00:37:36,805 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, -10 predicate places. [2023-11-29 00:37:36,805 INFO L495 AbstractCegarLoop]: Abstraction has has 269 places, 264 transitions, 532 flow [2023-11-29 00:37:36,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:36,806 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:37:36,806 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] [2023-11-29 00:37:36,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 00:37:36,806 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:37:36,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:36,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1577325933, now seen corresponding path program 1 times [2023-11-29 00:37:36,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:36,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95777445] [2023-11-29 00:37:36,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:36,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:37,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:37,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:37,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95777445] [2023-11-29 00:37:37,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95777445] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:37,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:37,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:37:37,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928969911] [2023-11-29 00:37:37,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:37,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:37:37,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:37,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:37:37,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:37:37,833 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 276 [2023-11-29 00:37:37,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 264 transitions, 532 flow. Second operand has 6 states, 6 states have (on average 189.16666666666666) internal successors, (1135), 6 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:37,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:37:37,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 276 [2023-11-29 00:37:37,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:37:38,479 INFO L124 PetriNetUnfolderBase]: 638/2532 cut-off events. [2023-11-29 00:37:38,480 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 00:37:38,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3904 conditions, 2532 events. 638/2532 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 16428 event pairs, 638 based on Foata normal form. 0/2331 useless extension candidates. Maximal degree in co-relation 3835. Up to 1362 conditions per place. [2023-11-29 00:37:38,494 INFO L140 encePairwiseOnDemand]: 270/276 looper letters, 85 selfloop transitions, 5 changer transitions 0/263 dead transitions. [2023-11-29 00:37:38,494 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 263 transitions, 710 flow [2023-11-29 00:37:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:37:38,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:37:38,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1201 transitions. [2023-11-29 00:37:38,499 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7252415458937198 [2023-11-29 00:37:38,499 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1201 transitions. [2023-11-29 00:37:38,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1201 transitions. [2023-11-29 00:37:38,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:37:38,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1201 transitions. [2023-11-29 00:37:38,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 200.16666666666666) internal successors, (1201), 6 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:38,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 276.0) internal successors, (1932), 7 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:38,509 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 276.0) internal successors, (1932), 7 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:38,510 INFO L175 Difference]: Start difference. First operand has 269 places, 264 transitions, 532 flow. Second operand 6 states and 1201 transitions. [2023-11-29 00:37:38,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 263 transitions, 710 flow [2023-11-29 00:37:38,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 263 transitions, 709 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:37:38,516 INFO L231 Difference]: Finished difference. Result has 272 places, 263 transitions, 539 flow [2023-11-29 00:37:38,517 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=529, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=539, PETRI_PLACES=272, PETRI_TRANSITIONS=263} [2023-11-29 00:37:38,518 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, -7 predicate places. [2023-11-29 00:37:38,518 INFO L495 AbstractCegarLoop]: Abstraction has has 272 places, 263 transitions, 539 flow [2023-11-29 00:37:38,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.16666666666666) internal successors, (1135), 6 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:38,519 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:37:38,519 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] [2023-11-29 00:37:38,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 00:37:38,519 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:37:38,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:38,520 INFO L85 PathProgramCache]: Analyzing trace with hash 378414696, now seen corresponding path program 1 times [2023-11-29 00:37:38,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:38,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250450984] [2023-11-29 00:37:38,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:38,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:38,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:38,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:38,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250450984] [2023-11-29 00:37:38,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250450984] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:38,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:38,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:37:38,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435386050] [2023-11-29 00:37:38,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:38,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:37:38,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:38,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:37:38,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:37:38,636 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 276 [2023-11-29 00:37:38,638 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 263 transitions, 539 flow. Second operand has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:38,638 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:37:38,638 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 276 [2023-11-29 00:37:38,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:37:38,780 INFO L124 PetriNetUnfolderBase]: 30/706 cut-off events. [2023-11-29 00:37:38,780 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 00:37:38,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 796 conditions, 706 events. 30/706 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2649 event pairs, 30 based on Foata normal form. 0/646 useless extension candidates. Maximal degree in co-relation 737. Up to 78 conditions per place. [2023-11-29 00:37:38,784 INFO L140 encePairwiseOnDemand]: 273/276 looper letters, 17 selfloop transitions, 2 changer transitions 0/262 dead transitions. [2023-11-29 00:37:38,784 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 262 transitions, 575 flow [2023-11-29 00:37:38,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:37:38,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:37:38,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 788 transitions. [2023-11-29 00:37:38,788 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9516908212560387 [2023-11-29 00:37:38,788 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 788 transitions. [2023-11-29 00:37:38,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 788 transitions. [2023-11-29 00:37:38,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:37:38,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 788 transitions. [2023-11-29 00:37:38,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:38,794 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 276.0) internal successors, (1104), 4 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:38,794 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 276.0) internal successors, (1104), 4 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:38,795 INFO L175 Difference]: Start difference. First operand has 272 places, 263 transitions, 539 flow. Second operand 3 states and 788 transitions. [2023-11-29 00:37:38,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 262 transitions, 575 flow [2023-11-29 00:37:38,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 262 transitions, 565 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 00:37:38,801 INFO L231 Difference]: Finished difference. Result has 268 places, 262 transitions, 531 flow [2023-11-29 00:37:38,802 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=527, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=531, PETRI_PLACES=268, PETRI_TRANSITIONS=262} [2023-11-29 00:37:38,802 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, -11 predicate places. [2023-11-29 00:37:38,803 INFO L495 AbstractCegarLoop]: Abstraction has has 268 places, 262 transitions, 531 flow [2023-11-29 00:37:38,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:38,803 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:37:38,803 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] [2023-11-29 00:37:38,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 00:37:38,804 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:37:38,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:38,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1034750308, now seen corresponding path program 1 times [2023-11-29 00:37:38,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:38,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615266176] [2023-11-29 00:37:38,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:38,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:38,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:38,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:38,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615266176] [2023-11-29 00:37:38,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615266176] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:38,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:38,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:37:38,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170646144] [2023-11-29 00:37:38,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:38,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:37:38,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:38,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:37:38,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:37:38,901 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 276 [2023-11-29 00:37:38,902 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 262 transitions, 531 flow. Second operand has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:38,902 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:37:38,902 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 276 [2023-11-29 00:37:38,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:37:39,046 INFO L124 PetriNetUnfolderBase]: 36/738 cut-off events. [2023-11-29 00:37:39,046 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 00:37:39,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 836 conditions, 738 events. 36/738 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2947 event pairs, 36 based on Foata normal form. 0/683 useless extension candidates. Maximal degree in co-relation 778. Up to 89 conditions per place. [2023-11-29 00:37:39,050 INFO L140 encePairwiseOnDemand]: 271/276 looper letters, 17 selfloop transitions, 1 changer transitions 0/258 dead transitions. [2023-11-29 00:37:39,050 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 258 transitions, 559 flow [2023-11-29 00:37:39,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:37:39,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:37:39,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 784 transitions. [2023-11-29 00:37:39,053 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9468599033816425 [2023-11-29 00:37:39,053 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 784 transitions. [2023-11-29 00:37:39,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 784 transitions. [2023-11-29 00:37:39,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:37:39,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 784 transitions. [2023-11-29 00:37:39,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:39,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 276.0) internal successors, (1104), 4 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:39,058 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 276.0) internal successors, (1104), 4 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:39,058 INFO L175 Difference]: Start difference. First operand has 268 places, 262 transitions, 531 flow. Second operand 3 states and 784 transitions. [2023-11-29 00:37:39,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 258 transitions, 559 flow [2023-11-29 00:37:39,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 258 transitions, 555 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:37:39,063 INFO L231 Difference]: Finished difference. Result has 264 places, 258 transitions, 521 flow [2023-11-29 00:37:39,063 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=519, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=521, PETRI_PLACES=264, PETRI_TRANSITIONS=258} [2023-11-29 00:37:39,064 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, -15 predicate places. [2023-11-29 00:37:39,064 INFO L495 AbstractCegarLoop]: Abstraction has has 264 places, 258 transitions, 521 flow [2023-11-29 00:37:39,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:39,065 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:37:39,065 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:37:39,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 00:37:39,066 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:37:39,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:39,066 INFO L85 PathProgramCache]: Analyzing trace with hash 2022745784, now seen corresponding path program 1 times [2023-11-29 00:37:39,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:39,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857233659] [2023-11-29 00:37:39,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:39,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:39,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:39,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:39,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857233659] [2023-11-29 00:37:39,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857233659] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:39,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:39,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:37:39,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950155986] [2023-11-29 00:37:39,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:39,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:37:39,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:39,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:37:39,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:37:39,927 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 276 [2023-11-29 00:37:39,929 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 258 transitions, 521 flow. Second operand has 6 states, 6 states have (on average 191.16666666666666) internal successors, (1147), 6 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:39,929 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:37:39,929 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 276 [2023-11-29 00:37:39,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:37:40,343 INFO L124 PetriNetUnfolderBase]: 638/2445 cut-off events. [2023-11-29 00:37:40,343 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 00:37:40,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3818 conditions, 2445 events. 638/2445 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 15614 event pairs, 638 based on Foata normal form. 0/2301 useless extension candidates. Maximal degree in co-relation 3750. Up to 1362 conditions per place. [2023-11-29 00:37:40,361 INFO L140 encePairwiseOnDemand]: 270/276 looper letters, 85 selfloop transitions, 5 changer transitions 0/257 dead transitions. [2023-11-29 00:37:40,361 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 257 transitions, 699 flow [2023-11-29 00:37:40,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:37:40,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:37:40,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1201 transitions. [2023-11-29 00:37:40,367 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7252415458937198 [2023-11-29 00:37:40,367 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1201 transitions. [2023-11-29 00:37:40,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1201 transitions. [2023-11-29 00:37:40,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:37:40,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1201 transitions. [2023-11-29 00:37:40,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 200.16666666666666) internal successors, (1201), 6 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:40,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 276.0) internal successors, (1932), 7 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:40,378 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 276.0) internal successors, (1932), 7 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:40,378 INFO L175 Difference]: Start difference. First operand has 264 places, 258 transitions, 521 flow. Second operand 6 states and 1201 transitions. [2023-11-29 00:37:40,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 257 transitions, 699 flow [2023-11-29 00:37:40,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 257 transitions, 698 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:37:40,386 INFO L231 Difference]: Finished difference. Result has 267 places, 257 transitions, 528 flow [2023-11-29 00:37:40,386 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=518, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=528, PETRI_PLACES=267, PETRI_TRANSITIONS=257} [2023-11-29 00:37:40,387 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, -12 predicate places. [2023-11-29 00:37:40,387 INFO L495 AbstractCegarLoop]: Abstraction has has 267 places, 257 transitions, 528 flow [2023-11-29 00:37:40,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 191.16666666666666) internal successors, (1147), 6 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:40,388 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:37:40,388 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] [2023-11-29 00:37:40,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 00:37:40,389 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:37:40,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:40,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1957510908, now seen corresponding path program 1 times [2023-11-29 00:37:40,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:40,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519335918] [2023-11-29 00:37:40,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:40,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:41,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:41,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:41,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519335918] [2023-11-29 00:37:41,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519335918] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:41,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:41,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:37:41,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515483763] [2023-11-29 00:37:41,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:41,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:37:41,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:41,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:37:41,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:37:41,746 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 276 [2023-11-29 00:37:41,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 257 transitions, 528 flow. Second operand has 6 states, 6 states have (on average 219.0) internal successors, (1314), 6 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:41,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:37:41,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 276 [2023-11-29 00:37:41,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:37:42,122 INFO L124 PetriNetUnfolderBase]: 232/1787 cut-off events. [2023-11-29 00:37:42,122 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 00:37:42,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2345 conditions, 1787 events. 232/1787 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 11434 event pairs, 20 based on Foata normal form. 0/1664 useless extension candidates. Maximal degree in co-relation 2277. Up to 305 conditions per place. [2023-11-29 00:37:42,133 INFO L140 encePairwiseOnDemand]: 257/276 looper letters, 100 selfloop transitions, 38 changer transitions 0/331 dead transitions. [2023-11-29 00:37:42,133 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 331 transitions, 952 flow [2023-11-29 00:37:42,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:37:42,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:37:42,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1412 transitions. [2023-11-29 00:37:42,138 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8526570048309179 [2023-11-29 00:37:42,138 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1412 transitions. [2023-11-29 00:37:42,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1412 transitions. [2023-11-29 00:37:42,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:37:42,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1412 transitions. [2023-11-29 00:37:42,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 235.33333333333334) internal successors, (1412), 6 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:42,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 276.0) internal successors, (1932), 7 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:42,149 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 276.0) internal successors, (1932), 7 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:42,149 INFO L175 Difference]: Start difference. First operand has 267 places, 257 transitions, 528 flow. Second operand 6 states and 1412 transitions. [2023-11-29 00:37:42,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 331 transitions, 952 flow [2023-11-29 00:37:42,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 331 transitions, 942 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 00:37:42,158 INFO L231 Difference]: Finished difference. Result has 271 places, 293 transitions, 776 flow [2023-11-29 00:37:42,158 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=516, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=776, PETRI_PLACES=271, PETRI_TRANSITIONS=293} [2023-11-29 00:37:42,159 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, -8 predicate places. [2023-11-29 00:37:42,159 INFO L495 AbstractCegarLoop]: Abstraction has has 271 places, 293 transitions, 776 flow [2023-11-29 00:37:42,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 219.0) internal successors, (1314), 6 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:42,160 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:37:42,161 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:37:42,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 00:37:42,161 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:37:42,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:42,161 INFO L85 PathProgramCache]: Analyzing trace with hash 50910792, now seen corresponding path program 1 times [2023-11-29 00:37:42,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:42,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655715039] [2023-11-29 00:37:42,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:42,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:42,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:42,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:42,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655715039] [2023-11-29 00:37:42,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655715039] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:42,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:42,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:37:42,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404420084] [2023-11-29 00:37:42,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:42,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:37:42,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:42,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:37:42,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:37:43,558 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 276 [2023-11-29 00:37:43,561 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 293 transitions, 776 flow. Second operand has 6 states, 6 states have (on average 224.66666666666666) internal successors, (1348), 6 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:43,561 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:37:43,561 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 276 [2023-11-29 00:37:43,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:37:43,950 INFO L124 PetriNetUnfolderBase]: 185/1591 cut-off events. [2023-11-29 00:37:43,951 INFO L125 PetriNetUnfolderBase]: For 202/207 co-relation queries the response was YES. [2023-11-29 00:37:43,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2363 conditions, 1591 events. 185/1591 cut-off events. For 202/207 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 10016 event pairs, 75 based on Foata normal form. 0/1474 useless extension candidates. Maximal degree in co-relation 2293. Up to 354 conditions per place. [2023-11-29 00:37:43,959 INFO L140 encePairwiseOnDemand]: 270/276 looper letters, 96 selfloop transitions, 5 changer transitions 0/308 dead transitions. [2023-11-29 00:37:43,959 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 308 transitions, 1008 flow [2023-11-29 00:37:43,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:37:43,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:37:43,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1382 transitions. [2023-11-29 00:37:43,963 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8345410628019324 [2023-11-29 00:37:43,963 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1382 transitions. [2023-11-29 00:37:43,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1382 transitions. [2023-11-29 00:37:43,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:37:43,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1382 transitions. [2023-11-29 00:37:43,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 230.33333333333334) internal successors, (1382), 6 states have internal predecessors, (1382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:43,970 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 276.0) internal successors, (1932), 7 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:43,970 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 276.0) internal successors, (1932), 7 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:43,970 INFO L175 Difference]: Start difference. First operand has 271 places, 293 transitions, 776 flow. Second operand 6 states and 1382 transitions. [2023-11-29 00:37:43,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 308 transitions, 1008 flow [2023-11-29 00:37:43,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 308 transitions, 1008 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 00:37:43,979 INFO L231 Difference]: Finished difference. Result has 275 places, 292 transitions, 784 flow [2023-11-29 00:37:43,980 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=784, PETRI_PLACES=275, PETRI_TRANSITIONS=292} [2023-11-29 00:37:43,981 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, -4 predicate places. [2023-11-29 00:37:43,981 INFO L495 AbstractCegarLoop]: Abstraction has has 275 places, 292 transitions, 784 flow [2023-11-29 00:37:43,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 224.66666666666666) internal successors, (1348), 6 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:43,982 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:37:43,982 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] [2023-11-29 00:37:43,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 00:37:43,983 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:37:43,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:43,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1903903216, now seen corresponding path program 1 times [2023-11-29 00:37:43,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:43,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699417570] [2023-11-29 00:37:43,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:43,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:44,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:44,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:44,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699417570] [2023-11-29 00:37:44,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699417570] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:44,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:44,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:37:44,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392745722] [2023-11-29 00:37:44,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:44,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:37:44,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:44,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:37:44,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:37:45,125 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 276 [2023-11-29 00:37:45,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 292 transitions, 784 flow. Second operand has 6 states, 6 states have (on average 217.0) internal successors, (1302), 6 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:45,127 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:37:45,128 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 276 [2023-11-29 00:37:45,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:37:45,873 INFO L124 PetriNetUnfolderBase]: 583/3029 cut-off events. [2023-11-29 00:37:45,873 INFO L125 PetriNetUnfolderBase]: For 700/707 co-relation queries the response was YES. [2023-11-29 00:37:45,876 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5107 conditions, 3029 events. 583/3029 cut-off events. For 700/707 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 22815 event pairs, 63 based on Foata normal form. 0/2840 useless extension candidates. Maximal degree in co-relation 5034. Up to 795 conditions per place. [2023-11-29 00:37:45,886 INFO L140 encePairwiseOnDemand]: 254/276 looper letters, 111 selfloop transitions, 72 changer transitions 0/381 dead transitions. [2023-11-29 00:37:45,886 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 381 transitions, 1520 flow [2023-11-29 00:37:45,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:37:45,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:37:45,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1389 transitions. [2023-11-29 00:37:45,891 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8387681159420289 [2023-11-29 00:37:45,891 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1389 transitions. [2023-11-29 00:37:45,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1389 transitions. [2023-11-29 00:37:45,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:37:45,892 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1389 transitions. [2023-11-29 00:37:45,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 231.5) internal successors, (1389), 6 states have internal predecessors, (1389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:45,899 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 276.0) internal successors, (1932), 7 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:45,900 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 276.0) internal successors, (1932), 7 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:45,900 INFO L175 Difference]: Start difference. First operand has 275 places, 292 transitions, 784 flow. Second operand 6 states and 1389 transitions. [2023-11-29 00:37:45,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 381 transitions, 1520 flow [2023-11-29 00:37:45,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 381 transitions, 1502 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 00:37:45,911 INFO L231 Difference]: Finished difference. Result has 280 places, 362 transitions, 1440 flow [2023-11-29 00:37:45,911 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1440, PETRI_PLACES=280, PETRI_TRANSITIONS=362} [2023-11-29 00:37:45,912 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, 1 predicate places. [2023-11-29 00:37:45,912 INFO L495 AbstractCegarLoop]: Abstraction has has 280 places, 362 transitions, 1440 flow [2023-11-29 00:37:45,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 217.0) internal successors, (1302), 6 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:45,913 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:37:45,913 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:37:45,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 00:37:45,914 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:37:45,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:45,914 INFO L85 PathProgramCache]: Analyzing trace with hash 452392141, now seen corresponding path program 1 times [2023-11-29 00:37:45,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:45,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061969739] [2023-11-29 00:37:45,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:45,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:46,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:46,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:46,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061969739] [2023-11-29 00:37:46,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061969739] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:46,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:46,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:37:46,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589214340] [2023-11-29 00:37:46,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:46,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:37:46,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:46,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:37:46,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:37:46,653 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 276 [2023-11-29 00:37:46,654 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 362 transitions, 1440 flow. Second operand has 6 states, 6 states have (on average 196.33333333333334) internal successors, (1178), 6 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:46,654 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:37:46,654 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 276 [2023-11-29 00:37:46,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:37:47,862 INFO L124 PetriNetUnfolderBase]: 1643/5735 cut-off events. [2023-11-29 00:37:47,862 INFO L125 PetriNetUnfolderBase]: For 3365/3425 co-relation queries the response was YES. [2023-11-29 00:37:47,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12778 conditions, 5735 events. 1643/5735 cut-off events. For 3365/3425 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 46471 event pairs, 822 based on Foata normal form. 0/5420 useless extension candidates. Maximal degree in co-relation 12703. Up to 3143 conditions per place. [2023-11-29 00:37:47,891 INFO L140 encePairwiseOnDemand]: 253/276 looper letters, 201 selfloop transitions, 89 changer transitions 0/462 dead transitions. [2023-11-29 00:37:47,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 462 transitions, 2424 flow [2023-11-29 00:37:47,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:37:47,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:37:47,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1302 transitions. [2023-11-29 00:37:47,895 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7862318840579711 [2023-11-29 00:37:47,895 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1302 transitions. [2023-11-29 00:37:47,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1302 transitions. [2023-11-29 00:37:47,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:37:47,897 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1302 transitions. [2023-11-29 00:37:47,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 217.0) internal successors, (1302), 6 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:47,903 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 276.0) internal successors, (1932), 7 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:47,904 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 276.0) internal successors, (1932), 7 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:47,904 INFO L175 Difference]: Start difference. First operand has 280 places, 362 transitions, 1440 flow. Second operand 6 states and 1302 transitions. [2023-11-29 00:37:47,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 462 transitions, 2424 flow [2023-11-29 00:37:47,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 462 transitions, 2424 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 00:37:47,927 INFO L231 Difference]: Finished difference. Result has 290 places, 446 transitions, 2242 flow [2023-11-29 00:37:47,928 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=1440, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2242, PETRI_PLACES=290, PETRI_TRANSITIONS=446} [2023-11-29 00:37:47,929 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, 11 predicate places. [2023-11-29 00:37:47,929 INFO L495 AbstractCegarLoop]: Abstraction has has 290 places, 446 transitions, 2242 flow [2023-11-29 00:37:47,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 196.33333333333334) internal successors, (1178), 6 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:47,930 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:37:47,930 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] [2023-11-29 00:37:47,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 00:37:47,931 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:37:47,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:47,931 INFO L85 PathProgramCache]: Analyzing trace with hash 211816360, now seen corresponding path program 1 times [2023-11-29 00:37:47,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:47,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327592648] [2023-11-29 00:37:47,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:47,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:48,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:48,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:48,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327592648] [2023-11-29 00:37:48,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327592648] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:48,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:48,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:37:48,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123838671] [2023-11-29 00:37:48,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:48,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:37:48,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:48,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:37:48,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:37:48,127 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 276 [2023-11-29 00:37:48,128 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 446 transitions, 2242 flow. Second operand has 3 states, 3 states have (on average 267.3333333333333) internal successors, (802), 3 states have internal predecessors, (802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:48,128 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:37:48,128 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 276 [2023-11-29 00:37:48,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:37:48,445 INFO L124 PetriNetUnfolderBase]: 315/1990 cut-off events. [2023-11-29 00:37:48,445 INFO L125 PetriNetUnfolderBase]: For 1169/1235 co-relation queries the response was YES. [2023-11-29 00:37:48,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4140 conditions, 1990 events. 315/1990 cut-off events. For 1169/1235 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 13688 event pairs, 31 based on Foata normal form. 4/1914 useless extension candidates. Maximal degree in co-relation 4067. Up to 312 conditions per place. [2023-11-29 00:37:48,453 INFO L140 encePairwiseOnDemand]: 270/276 looper letters, 10 selfloop transitions, 6 changer transitions 0/386 dead transitions. [2023-11-29 00:37:48,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 386 transitions, 1710 flow [2023-11-29 00:37:48,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:37:48,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:37:48,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 816 transitions. [2023-11-29 00:37:48,456 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9855072463768116 [2023-11-29 00:37:48,456 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 816 transitions. [2023-11-29 00:37:48,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 816 transitions. [2023-11-29 00:37:48,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:37:48,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 816 transitions. [2023-11-29 00:37:48,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 272.0) internal successors, (816), 3 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:48,459 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 276.0) internal successors, (1104), 4 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:48,460 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 276.0) internal successors, (1104), 4 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:48,460 INFO L175 Difference]: Start difference. First operand has 290 places, 446 transitions, 2242 flow. Second operand 3 states and 816 transitions. [2023-11-29 00:37:48,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 386 transitions, 1710 flow [2023-11-29 00:37:48,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 386 transitions, 1622 flow, removed 44 selfloop flow, removed 0 redundant places. [2023-11-29 00:37:48,473 INFO L231 Difference]: Finished difference. Result has 293 places, 384 transitions, 1612 flow [2023-11-29 00:37:48,473 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=1578, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1612, PETRI_PLACES=293, PETRI_TRANSITIONS=384} [2023-11-29 00:37:48,474 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, 14 predicate places. [2023-11-29 00:37:48,474 INFO L495 AbstractCegarLoop]: Abstraction has has 293 places, 384 transitions, 1612 flow [2023-11-29 00:37:48,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 267.3333333333333) internal successors, (802), 3 states have internal predecessors, (802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:48,474 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:37:48,475 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] [2023-11-29 00:37:48,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 00:37:48,475 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:37:48,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:48,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1422824882, now seen corresponding path program 1 times [2023-11-29 00:37:48,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:48,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847676212] [2023-11-29 00:37:48,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:48,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:49,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:49,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:49,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847676212] [2023-11-29 00:37:49,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847676212] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:49,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:49,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:37:49,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931313659] [2023-11-29 00:37:49,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:49,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:37:49,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:49,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:37:49,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:37:49,448 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 276 [2023-11-29 00:37:49,449 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 384 transitions, 1612 flow. Second operand has 6 states, 6 states have (on average 219.33333333333334) internal successors, (1316), 6 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:49,449 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:37:49,449 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 276 [2023-11-29 00:37:49,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:37:50,097 INFO L124 PetriNetUnfolderBase]: 690/3157 cut-off events. [2023-11-29 00:37:50,097 INFO L125 PetriNetUnfolderBase]: For 2989/3227 co-relation queries the response was YES. [2023-11-29 00:37:50,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7484 conditions, 3157 events. 690/3157 cut-off events. For 2989/3227 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 24440 event pairs, 54 based on Foata normal form. 20/3072 useless extension candidates. Maximal degree in co-relation 7401. Up to 734 conditions per place. [2023-11-29 00:37:50,113 INFO L140 encePairwiseOnDemand]: 257/276 looper letters, 184 selfloop transitions, 124 changer transitions 4/542 dead transitions. [2023-11-29 00:37:50,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 542 transitions, 3203 flow [2023-11-29 00:37:50,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:37:50,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:37:50,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1430 transitions. [2023-11-29 00:37:50,117 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8635265700483091 [2023-11-29 00:37:50,117 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1430 transitions. [2023-11-29 00:37:50,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1430 transitions. [2023-11-29 00:37:50,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:37:50,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1430 transitions. [2023-11-29 00:37:50,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 238.33333333333334) internal successors, (1430), 6 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:50,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 276.0) internal successors, (1932), 7 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:50,123 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 276.0) internal successors, (1932), 7 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:50,123 INFO L175 Difference]: Start difference. First operand has 293 places, 384 transitions, 1612 flow. Second operand 6 states and 1430 transitions. [2023-11-29 00:37:50,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 542 transitions, 3203 flow [2023-11-29 00:37:50,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 542 transitions, 3180 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:37:50,142 INFO L231 Difference]: Finished difference. Result has 301 places, 486 transitions, 2988 flow [2023-11-29 00:37:50,143 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=1604, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2988, PETRI_PLACES=301, PETRI_TRANSITIONS=486} [2023-11-29 00:37:50,144 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, 22 predicate places. [2023-11-29 00:37:50,144 INFO L495 AbstractCegarLoop]: Abstraction has has 301 places, 486 transitions, 2988 flow [2023-11-29 00:37:50,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 219.33333333333334) internal successors, (1316), 6 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:50,144 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:37:50,144 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] [2023-11-29 00:37:50,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 00:37:50,145 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:37:50,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:50,145 INFO L85 PathProgramCache]: Analyzing trace with hash 194339899, now seen corresponding path program 1 times [2023-11-29 00:37:50,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:50,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606784851] [2023-11-29 00:37:50,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:50,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:50,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:50,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:50,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606784851] [2023-11-29 00:37:50,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606784851] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:50,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:50,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:37:50,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085482209] [2023-11-29 00:37:50,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:50,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:37:50,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:50,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:37:50,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:37:51,147 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 276 [2023-11-29 00:37:51,149 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 486 transitions, 2988 flow. Second operand has 6 states, 6 states have (on average 225.66666666666666) internal successors, (1354), 6 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:51,149 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:37:51,149 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 276 [2023-11-29 00:37:51,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:37:51,691 INFO L124 PetriNetUnfolderBase]: 605/2918 cut-off events. [2023-11-29 00:37:51,692 INFO L125 PetriNetUnfolderBase]: For 5424/5614 co-relation queries the response was YES. [2023-11-29 00:37:51,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7851 conditions, 2918 events. 605/2918 cut-off events. For 5424/5614 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 22183 event pairs, 92 based on Foata normal form. 18/2891 useless extension candidates. Maximal degree in co-relation 7765. Up to 803 conditions per place. [2023-11-29 00:37:51,705 INFO L140 encePairwiseOnDemand]: 270/276 looper letters, 218 selfloop transitions, 17 changer transitions 0/501 dead transitions. [2023-11-29 00:37:51,705 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 501 transitions, 3512 flow [2023-11-29 00:37:51,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:37:51,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:37:51,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1382 transitions. [2023-11-29 00:37:51,710 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8345410628019324 [2023-11-29 00:37:51,710 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1382 transitions. [2023-11-29 00:37:51,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1382 transitions. [2023-11-29 00:37:51,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:37:51,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1382 transitions. [2023-11-29 00:37:51,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 230.33333333333334) internal successors, (1382), 6 states have internal predecessors, (1382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:51,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 276.0) internal successors, (1932), 7 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:51,717 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 276.0) internal successors, (1932), 7 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:51,717 INFO L175 Difference]: Start difference. First operand has 301 places, 486 transitions, 2988 flow. Second operand 6 states and 1382 transitions. [2023-11-29 00:37:51,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 501 transitions, 3512 flow [2023-11-29 00:37:51,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 501 transitions, 3494 flow, removed 9 selfloop flow, removed 0 redundant places. [2023-11-29 00:37:51,738 INFO L231 Difference]: Finished difference. Result has 305 places, 485 transitions, 3002 flow [2023-11-29 00:37:51,739 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=2968, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3002, PETRI_PLACES=305, PETRI_TRANSITIONS=485} [2023-11-29 00:37:51,740 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, 26 predicate places. [2023-11-29 00:37:51,740 INFO L495 AbstractCegarLoop]: Abstraction has has 305 places, 485 transitions, 3002 flow [2023-11-29 00:37:51,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.66666666666666) internal successors, (1354), 6 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:51,741 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:37:51,741 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:37:51,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 00:37:51,741 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:37:51,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:51,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1170895211, now seen corresponding path program 1 times [2023-11-29 00:37:51,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:51,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658714442] [2023-11-29 00:37:51,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:51,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:53,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:53,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:53,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658714442] [2023-11-29 00:37:53,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658714442] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:53,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:53,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-11-29 00:37:53,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683479097] [2023-11-29 00:37:53,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:53,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-29 00:37:53,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:53,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 00:37:53,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2023-11-29 00:37:57,363 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 276 [2023-11-29 00:37:57,365 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 485 transitions, 3002 flow. Second operand has 22 states, 22 states have (on average 146.77272727272728) internal successors, (3229), 22 states have internal predecessors, (3229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:57,365 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:37:57,365 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 276 [2023-11-29 00:37:57,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:37:59,966 INFO L124 PetriNetUnfolderBase]: 1627/5225 cut-off events. [2023-11-29 00:37:59,967 INFO L125 PetriNetUnfolderBase]: For 7985/8005 co-relation queries the response was YES. [2023-11-29 00:37:59,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15484 conditions, 5225 events. 1627/5225 cut-off events. For 7985/8005 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 41657 event pairs, 148 based on Foata normal form. 14/5170 useless extension candidates. Maximal degree in co-relation 15380. Up to 1534 conditions per place. [2023-11-29 00:37:59,994 INFO L140 encePairwiseOnDemand]: 242/276 looper letters, 515 selfloop transitions, 130 changer transitions 1/772 dead transitions. [2023-11-29 00:37:59,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 772 transitions, 6122 flow [2023-11-29 00:37:59,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-11-29 00:37:59,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2023-11-29 00:38:00,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 5744 transitions. [2023-11-29 00:38:00,007 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.547673531655225 [2023-11-29 00:38:00,007 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 5744 transitions. [2023-11-29 00:38:00,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 5744 transitions. [2023-11-29 00:38:00,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:38:00,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 5744 transitions. [2023-11-29 00:38:00,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 151.1578947368421) internal successors, (5744), 38 states have internal predecessors, (5744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:00,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 276.0) internal successors, (10764), 39 states have internal predecessors, (10764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:00,040 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 276.0) internal successors, (10764), 39 states have internal predecessors, (10764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:00,041 INFO L175 Difference]: Start difference. First operand has 305 places, 485 transitions, 3002 flow. Second operand 38 states and 5744 transitions. [2023-11-29 00:38:00,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 772 transitions, 6122 flow [2023-11-29 00:38:00,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 772 transitions, 6060 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 00:38:00,091 INFO L231 Difference]: Finished difference. Result has 352 places, 548 transitions, 3877 flow [2023-11-29 00:38:00,092 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=2968, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=3877, PETRI_PLACES=352, PETRI_TRANSITIONS=548} [2023-11-29 00:38:00,092 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, 73 predicate places. [2023-11-29 00:38:00,092 INFO L495 AbstractCegarLoop]: Abstraction has has 352 places, 548 transitions, 3877 flow [2023-11-29 00:38:00,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 146.77272727272728) internal successors, (3229), 22 states have internal predecessors, (3229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:00,094 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:38:00,094 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:38:00,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 00:38:00,094 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:38:00,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:38:00,095 INFO L85 PathProgramCache]: Analyzing trace with hash -932322878, now seen corresponding path program 1 times [2023-11-29 00:38:00,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:38:00,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450732551] [2023-11-29 00:38:00,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:38:00,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:38:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:38:01,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:38:01,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:38:01,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450732551] [2023-11-29 00:38:01,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450732551] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:38:01,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:38:01,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:38:01,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204124013] [2023-11-29 00:38:01,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:38:01,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:38:01,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:38:01,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:38:01,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:38:06,012 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 276 [2023-11-29 00:38:06,015 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 548 transitions, 3877 flow. Second operand has 20 states, 20 states have (on average 172.3) internal successors, (3446), 20 states have internal predecessors, (3446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:06,016 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:38:06,016 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 276 [2023-11-29 00:38:06,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:38:08,335 INFO L124 PetriNetUnfolderBase]: 1338/4880 cut-off events. [2023-11-29 00:38:08,335 INFO L125 PetriNetUnfolderBase]: For 11897/12020 co-relation queries the response was YES. [2023-11-29 00:38:08,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16024 conditions, 4880 events. 1338/4880 cut-off events. For 11897/12020 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 40885 event pairs, 100 based on Foata normal form. 35/4833 useless extension candidates. Maximal degree in co-relation 15898. Up to 1185 conditions per place. [2023-11-29 00:38:08,369 INFO L140 encePairwiseOnDemand]: 240/276 looper letters, 444 selfloop transitions, 171 changer transitions 4/809 dead transitions. [2023-11-29 00:38:08,369 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 809 transitions, 7336 flow [2023-11-29 00:38:08,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-29 00:38:08,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2023-11-29 00:38:08,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 5290 transitions. [2023-11-29 00:38:08,376 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6388888888888888 [2023-11-29 00:38:08,376 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 5290 transitions. [2023-11-29 00:38:08,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 5290 transitions. [2023-11-29 00:38:08,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:38:08,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 5290 transitions. [2023-11-29 00:38:08,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 176.33333333333334) internal successors, (5290), 30 states have internal predecessors, (5290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:08,400 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 276.0) internal successors, (8556), 31 states have internal predecessors, (8556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:08,405 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 276.0) internal successors, (8556), 31 states have internal predecessors, (8556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:08,405 INFO L175 Difference]: Start difference. First operand has 352 places, 548 transitions, 3877 flow. Second operand 30 states and 5290 transitions. [2023-11-29 00:38:08,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 809 transitions, 7336 flow [2023-11-29 00:38:08,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 809 transitions, 7199 flow, removed 53 selfloop flow, removed 11 redundant places. [2023-11-29 00:38:08,489 INFO L231 Difference]: Finished difference. Result has 380 places, 649 transitions, 5526 flow [2023-11-29 00:38:08,490 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=3793, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=548, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=5526, PETRI_PLACES=380, PETRI_TRANSITIONS=649} [2023-11-29 00:38:08,491 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, 101 predicate places. [2023-11-29 00:38:08,491 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 649 transitions, 5526 flow [2023-11-29 00:38:08,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 172.3) internal successors, (3446), 20 states have internal predecessors, (3446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:08,492 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:38:08,493 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:38:08,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 00:38:08,493 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:38:08,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:38:08,494 INFO L85 PathProgramCache]: Analyzing trace with hash -568853980, now seen corresponding path program 2 times [2023-11-29 00:38:08,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:38:08,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005252975] [2023-11-29 00:38:08,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:38:08,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:38:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:38:10,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:38:10,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:38:10,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005252975] [2023-11-29 00:38:10,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005252975] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:38:10,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:38:10,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-11-29 00:38:10,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110442287] [2023-11-29 00:38:10,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:38:10,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-29 00:38:10,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:38:10,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 00:38:10,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2023-11-29 00:38:14,256 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 276 [2023-11-29 00:38:14,259 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 649 transitions, 5526 flow. Second operand has 22 states, 22 states have (on average 170.0) internal successors, (3740), 22 states have internal predecessors, (3740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:14,259 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:38:14,259 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 276 [2023-11-29 00:38:14,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:38:17,097 INFO L124 PetriNetUnfolderBase]: 1409/5129 cut-off events. [2023-11-29 00:38:17,097 INFO L125 PetriNetUnfolderBase]: For 16648/16817 co-relation queries the response was YES. [2023-11-29 00:38:17,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18092 conditions, 5129 events. 1409/5129 cut-off events. For 16648/16817 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 42909 event pairs, 102 based on Foata normal form. 78/5131 useless extension candidates. Maximal degree in co-relation 17953. Up to 780 conditions per place. [2023-11-29 00:38:17,135 INFO L140 encePairwiseOnDemand]: 241/276 looper letters, 481 selfloop transitions, 211 changer transitions 4/882 dead transitions. [2023-11-29 00:38:17,136 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 882 transitions, 8739 flow [2023-11-29 00:38:17,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-11-29 00:38:17,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2023-11-29 00:38:17,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 6593 transitions. [2023-11-29 00:38:17,143 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6286231884057971 [2023-11-29 00:38:17,143 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 6593 transitions. [2023-11-29 00:38:17,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 6593 transitions. [2023-11-29 00:38:17,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:38:17,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 6593 transitions. [2023-11-29 00:38:17,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 173.5) internal successors, (6593), 38 states have internal predecessors, (6593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:17,162 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 276.0) internal successors, (10764), 39 states have internal predecessors, (10764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:17,163 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 276.0) internal successors, (10764), 39 states have internal predecessors, (10764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:17,163 INFO L175 Difference]: Start difference. First operand has 380 places, 649 transitions, 5526 flow. Second operand 38 states and 6593 transitions. [2023-11-29 00:38:17,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 882 transitions, 8739 flow [2023-11-29 00:38:17,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 882 transitions, 8659 flow, removed 20 selfloop flow, removed 11 redundant places. [2023-11-29 00:38:17,255 INFO L231 Difference]: Finished difference. Result has 419 places, 712 transitions, 6721 flow [2023-11-29 00:38:17,256 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=5470, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=649, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=152, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=6721, PETRI_PLACES=419, PETRI_TRANSITIONS=712} [2023-11-29 00:38:17,257 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, 140 predicate places. [2023-11-29 00:38:17,257 INFO L495 AbstractCegarLoop]: Abstraction has has 419 places, 712 transitions, 6721 flow [2023-11-29 00:38:17,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 170.0) internal successors, (3740), 22 states have internal predecessors, (3740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:17,257 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:38:17,257 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:38:17,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 00:38:17,257 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:38:17,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:38:17,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1610070012, now seen corresponding path program 3 times [2023-11-29 00:38:17,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:38:17,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063192960] [2023-11-29 00:38:17,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:38:17,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:38:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:38:19,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:38:19,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:38:19,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063192960] [2023-11-29 00:38:19,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063192960] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:38:19,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:38:19,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-11-29 00:38:19,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410828092] [2023-11-29 00:38:19,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:38:19,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-29 00:38:19,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:38:19,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 00:38:19,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2023-11-29 00:38:23,899 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 276 [2023-11-29 00:38:23,902 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 712 transitions, 6721 flow. Second operand has 22 states, 22 states have (on average 170.04545454545453) internal successors, (3741), 22 states have internal predecessors, (3741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:23,902 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:38:23,902 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 276 [2023-11-29 00:38:23,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:38:27,307 INFO L124 PetriNetUnfolderBase]: 1726/6074 cut-off events. [2023-11-29 00:38:27,307 INFO L125 PetriNetUnfolderBase]: For 26391/26691 co-relation queries the response was YES. [2023-11-29 00:38:27,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23522 conditions, 6074 events. 1726/6074 cut-off events. For 26391/26691 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 53576 event pairs, 143 based on Foata normal form. 121/6106 useless extension candidates. Maximal degree in co-relation 23367. Up to 937 conditions per place. [2023-11-29 00:38:27,361 INFO L140 encePairwiseOnDemand]: 237/276 looper letters, 559 selfloop transitions, 256 changer transitions 4/1005 dead transitions. [2023-11-29 00:38:27,361 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 1005 transitions, 11185 flow [2023-11-29 00:38:27,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-29 00:38:27,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2023-11-29 00:38:27,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 6445 transitions. [2023-11-29 00:38:27,368 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6311202506854681 [2023-11-29 00:38:27,368 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 6445 transitions. [2023-11-29 00:38:27,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 6445 transitions. [2023-11-29 00:38:27,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:38:27,370 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 6445 transitions. [2023-11-29 00:38:27,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 174.1891891891892) internal successors, (6445), 37 states have internal predecessors, (6445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:27,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 276.0) internal successors, (10488), 38 states have internal predecessors, (10488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:27,388 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 276.0) internal successors, (10488), 38 states have internal predecessors, (10488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:27,388 INFO L175 Difference]: Start difference. First operand has 419 places, 712 transitions, 6721 flow. Second operand 37 states and 6445 transitions. [2023-11-29 00:38:27,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 1005 transitions, 11185 flow [2023-11-29 00:38:27,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 432 places, 1005 transitions, 10939 flow, removed 14 selfloop flow, removed 23 redundant places. [2023-11-29 00:38:27,618 INFO L231 Difference]: Finished difference. Result has 443 places, 805 transitions, 8800 flow [2023-11-29 00:38:27,619 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=6540, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=712, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=164, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=486, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=8800, PETRI_PLACES=443, PETRI_TRANSITIONS=805} [2023-11-29 00:38:27,619 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, 164 predicate places. [2023-11-29 00:38:27,619 INFO L495 AbstractCegarLoop]: Abstraction has has 443 places, 805 transitions, 8800 flow [2023-11-29 00:38:27,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 170.04545454545453) internal successors, (3741), 22 states have internal predecessors, (3741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:27,620 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:38:27,620 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:38:27,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 00:38:27,620 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:38:27,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:38:27,621 INFO L85 PathProgramCache]: Analyzing trace with hash 883198220, now seen corresponding path program 4 times [2023-11-29 00:38:27,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:38:27,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159351315] [2023-11-29 00:38:27,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:38:27,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:38:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:38:29,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:38:29,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:38:29,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159351315] [2023-11-29 00:38:29,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159351315] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:38:29,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:38:29,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:38:29,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506400909] [2023-11-29 00:38:29,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:38:29,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:38:29,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:38:29,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:38:29,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:38:32,916 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 276 [2023-11-29 00:38:32,919 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 805 transitions, 8800 flow. Second operand has 20 states, 20 states have (on average 172.3) internal successors, (3446), 20 states have internal predecessors, (3446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:32,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:38:32,919 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 276 [2023-11-29 00:38:32,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:38:36,350 INFO L124 PetriNetUnfolderBase]: 2032/6935 cut-off events. [2023-11-29 00:38:36,350 INFO L125 PetriNetUnfolderBase]: For 40317/40687 co-relation queries the response was YES. [2023-11-29 00:38:36,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29097 conditions, 6935 events. 2032/6935 cut-off events. For 40317/40687 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 63067 event pairs, 162 based on Foata normal form. 105/6945 useless extension candidates. Maximal degree in co-relation 28929. Up to 1209 conditions per place. [2023-11-29 00:38:36,399 INFO L140 encePairwiseOnDemand]: 240/276 looper letters, 606 selfloop transitions, 296 changer transitions 4/1096 dead transitions. [2023-11-29 00:38:36,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 476 places, 1096 transitions, 14017 flow [2023-11-29 00:38:36,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-29 00:38:36,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2023-11-29 00:38:36,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 5987 transitions. [2023-11-29 00:38:36,408 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.638000852514919 [2023-11-29 00:38:36,408 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 5987 transitions. [2023-11-29 00:38:36,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 5987 transitions. [2023-11-29 00:38:36,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:38:36,411 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 5987 transitions. [2023-11-29 00:38:36,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 176.08823529411765) internal successors, (5987), 34 states have internal predecessors, (5987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:36,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 276.0) internal successors, (9660), 35 states have internal predecessors, (9660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:36,424 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 276.0) internal successors, (9660), 35 states have internal predecessors, (9660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:36,424 INFO L175 Difference]: Start difference. First operand has 443 places, 805 transitions, 8800 flow. Second operand 34 states and 5987 transitions. [2023-11-29 00:38:36,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 476 places, 1096 transitions, 14017 flow [2023-11-29 00:38:36,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 1096 transitions, 13916 flow, removed 19 selfloop flow, removed 16 redundant places. [2023-11-29 00:38:36,730 INFO L231 Difference]: Finished difference. Result has 473 places, 908 transitions, 11600 flow [2023-11-29 00:38:36,731 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=8721, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=805, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=196, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=534, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=11600, PETRI_PLACES=473, PETRI_TRANSITIONS=908} [2023-11-29 00:38:36,731 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, 194 predicate places. [2023-11-29 00:38:36,731 INFO L495 AbstractCegarLoop]: Abstraction has has 473 places, 908 transitions, 11600 flow [2023-11-29 00:38:36,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 172.3) internal successors, (3446), 20 states have internal predecessors, (3446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:36,732 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:38:36,732 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:38:36,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 00:38:36,732 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:38:36,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:38:36,732 INFO L85 PathProgramCache]: Analyzing trace with hash 590902894, now seen corresponding path program 5 times [2023-11-29 00:38:36,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:38:36,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105970769] [2023-11-29 00:38:36,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:38:36,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:38:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:38:38,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:38:38,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:38:38,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105970769] [2023-11-29 00:38:38,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105970769] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:38:38,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:38:38,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:38:38,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455575564] [2023-11-29 00:38:38,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:38:38,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:38:38,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:38:38,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:38:38,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:38:42,675 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 276 [2023-11-29 00:38:42,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 473 places, 908 transitions, 11600 flow. Second operand has 20 states, 20 states have (on average 172.3) internal successors, (3446), 20 states have internal predecessors, (3446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:42,677 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:38:42,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 276 [2023-11-29 00:38:42,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:38:46,767 INFO L124 PetriNetUnfolderBase]: 2318/7808 cut-off events. [2023-11-29 00:38:46,768 INFO L125 PetriNetUnfolderBase]: For 59747/60154 co-relation queries the response was YES. [2023-11-29 00:38:46,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35097 conditions, 7808 events. 2318/7808 cut-off events. For 59747/60154 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 73498 event pairs, 182 based on Foata normal form. 122/7826 useless extension candidates. Maximal degree in co-relation 34912. Up to 1562 conditions per place. [2023-11-29 00:38:46,852 INFO L140 encePairwiseOnDemand]: 240/276 looper letters, 621 selfloop transitions, 352 changer transitions 4/1167 dead transitions. [2023-11-29 00:38:46,852 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 505 places, 1167 transitions, 16767 flow [2023-11-29 00:38:46,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-29 00:38:46,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2023-11-29 00:38:46,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 5811 transitions. [2023-11-29 00:38:46,862 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6380105401844532 [2023-11-29 00:38:46,863 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 5811 transitions. [2023-11-29 00:38:46,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 5811 transitions. [2023-11-29 00:38:46,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:38:46,866 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 5811 transitions. [2023-11-29 00:38:46,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 176.0909090909091) internal successors, (5811), 33 states have internal predecessors, (5811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:46,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 276.0) internal successors, (9384), 34 states have internal predecessors, (9384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:46,893 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 276.0) internal successors, (9384), 34 states have internal predecessors, (9384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:46,893 INFO L175 Difference]: Start difference. First operand has 473 places, 908 transitions, 11600 flow. Second operand 33 states and 5811 transitions. [2023-11-29 00:38:46,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 505 places, 1167 transitions, 16767 flow [2023-11-29 00:38:47,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 491 places, 1167 transitions, 16609 flow, removed 55 selfloop flow, removed 14 redundant places. [2023-11-29 00:38:47,367 INFO L231 Difference]: Finished difference. Result has 502 places, 988 transitions, 14446 flow [2023-11-29 00:38:47,368 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=11450, PETRI_DIFFERENCE_MINUEND_PLACES=459, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=908, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=273, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=573, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=14446, PETRI_PLACES=502, PETRI_TRANSITIONS=988} [2023-11-29 00:38:47,368 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, 223 predicate places. [2023-11-29 00:38:47,368 INFO L495 AbstractCegarLoop]: Abstraction has has 502 places, 988 transitions, 14446 flow [2023-11-29 00:38:47,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 172.3) internal successors, (3446), 20 states have internal predecessors, (3446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:47,369 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:38:47,369 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:38:47,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 00:38:47,369 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:38:47,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:38:47,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1410044096, now seen corresponding path program 1 times [2023-11-29 00:38:47,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:38:47,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434219927] [2023-11-29 00:38:47,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:38:47,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:38:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:38:47,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:38:47,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:38:47,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434219927] [2023-11-29 00:38:47,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434219927] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:38:47,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:38:47,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:38:47,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422242061] [2023-11-29 00:38:47,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:38:47,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:38:47,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:38:47,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:38:47,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:38:48,218 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 276 [2023-11-29 00:38:48,219 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 502 places, 988 transitions, 14446 flow. Second operand has 6 states, 6 states have (on average 198.66666666666666) internal successors, (1192), 6 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:48,219 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:38:48,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 276 [2023-11-29 00:38:48,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:38:52,590 INFO L124 PetriNetUnfolderBase]: 3095/10599 cut-off events. [2023-11-29 00:38:52,591 INFO L125 PetriNetUnfolderBase]: For 75166/75500 co-relation queries the response was YES. [2023-11-29 00:38:52,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45209 conditions, 10599 events. 3095/10599 cut-off events. For 75166/75500 co-relation queries the response was YES. Maximal size of possible extension queue 284. Compared 103423 event pairs, 1021 based on Foata normal form. 103/10538 useless extension candidates. Maximal degree in co-relation 45027. Up to 5322 conditions per place. [2023-11-29 00:38:52,699 INFO L140 encePairwiseOnDemand]: 253/276 looper letters, 563 selfloop transitions, 109 changer transitions 23/1097 dead transitions. [2023-11-29 00:38:52,699 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 507 places, 1097 transitions, 16681 flow [2023-11-29 00:38:52,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:38:52,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:38:52,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1302 transitions. [2023-11-29 00:38:52,701 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7862318840579711 [2023-11-29 00:38:52,701 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1302 transitions. [2023-11-29 00:38:52,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1302 transitions. [2023-11-29 00:38:52,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:38:52,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1302 transitions. [2023-11-29 00:38:52,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 217.0) internal successors, (1302), 6 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:52,704 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 276.0) internal successors, (1932), 7 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:52,704 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 276.0) internal successors, (1932), 7 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:52,704 INFO L175 Difference]: Start difference. First operand has 502 places, 988 transitions, 14446 flow. Second operand 6 states and 1302 transitions. [2023-11-29 00:38:52,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 507 places, 1097 transitions, 16681 flow [2023-11-29 00:38:53,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 1097 transitions, 16536 flow, removed 45 selfloop flow, removed 15 redundant places. [2023-11-29 00:38:53,407 INFO L231 Difference]: Finished difference. Result has 497 places, 1062 transitions, 15268 flow [2023-11-29 00:38:53,408 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=14301, PETRI_DIFFERENCE_MINUEND_PLACES=487, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=988, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=927, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=15268, PETRI_PLACES=497, PETRI_TRANSITIONS=1062} [2023-11-29 00:38:53,408 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, 218 predicate places. [2023-11-29 00:38:53,408 INFO L495 AbstractCegarLoop]: Abstraction has has 497 places, 1062 transitions, 15268 flow [2023-11-29 00:38:53,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 198.66666666666666) internal successors, (1192), 6 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:53,409 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:38:53,409 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:38:53,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 00:38:53,409 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:38:53,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:38:53,409 INFO L85 PathProgramCache]: Analyzing trace with hash 2031630519, now seen corresponding path program 1 times [2023-11-29 00:38:53,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:38:53,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242550545] [2023-11-29 00:38:53,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:38:53,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:38:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:38:55,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:38:55,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:38:55,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242550545] [2023-11-29 00:38:55,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242550545] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:38:55,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:38:55,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:38:55,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459215422] [2023-11-29 00:38:55,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:38:55,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:38:55,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:38:55,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:38:55,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:38:59,523 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 276 [2023-11-29 00:38:59,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 1062 transitions, 15268 flow. Second operand has 20 states, 20 states have (on average 172.55) internal successors, (3451), 20 states have internal predecessors, (3451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:38:59,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:38:59,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 276 [2023-11-29 00:38:59,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:39:04,603 INFO L124 PetriNetUnfolderBase]: 2652/8763 cut-off events. [2023-11-29 00:39:04,603 INFO L125 PetriNetUnfolderBase]: For 85423/85908 co-relation queries the response was YES. [2023-11-29 00:39:04,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42369 conditions, 8763 events. 2652/8763 cut-off events. For 85423/85908 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 82716 event pairs, 258 based on Foata normal form. 100/8784 useless extension candidates. Maximal degree in co-relation 42171. Up to 1354 conditions per place. [2023-11-29 00:39:04,690 INFO L140 encePairwiseOnDemand]: 243/276 looper letters, 614 selfloop transitions, 268 changer transitions 78/1209 dead transitions. [2023-11-29 00:39:04,690 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 1209 transitions, 18565 flow [2023-11-29 00:39:04,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-11-29 00:39:04,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2023-11-29 00:39:04,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 6641 transitions. [2023-11-29 00:39:04,696 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6331998474446987 [2023-11-29 00:39:04,697 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 6641 transitions. [2023-11-29 00:39:04,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 6641 transitions. [2023-11-29 00:39:04,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:39:04,698 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 6641 transitions. [2023-11-29 00:39:04,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 174.76315789473685) internal successors, (6641), 38 states have internal predecessors, (6641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:04,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 276.0) internal successors, (10764), 39 states have internal predecessors, (10764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:04,713 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 276.0) internal successors, (10764), 39 states have internal predecessors, (10764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:04,714 INFO L175 Difference]: Start difference. First operand has 497 places, 1062 transitions, 15268 flow. Second operand 38 states and 6641 transitions. [2023-11-29 00:39:04,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 534 places, 1209 transitions, 18565 flow [2023-11-29 00:39:05,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 523 places, 1209 transitions, 17990 flow, removed 134 selfloop flow, removed 11 redundant places. [2023-11-29 00:39:05,369 INFO L231 Difference]: Finished difference. Result has 526 places, 1014 transitions, 14675 flow [2023-11-29 00:39:05,370 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=14693, PETRI_DIFFERENCE_MINUEND_PLACES=486, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1062, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=258, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=795, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=14675, PETRI_PLACES=526, PETRI_TRANSITIONS=1014} [2023-11-29 00:39:05,371 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, 247 predicate places. [2023-11-29 00:39:05,371 INFO L495 AbstractCegarLoop]: Abstraction has has 526 places, 1014 transitions, 14675 flow [2023-11-29 00:39:05,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 172.55) internal successors, (3451), 20 states have internal predecessors, (3451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:05,371 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:39:05,371 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:39:05,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 00:39:05,371 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:39:05,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:39:05,372 INFO L85 PathProgramCache]: Analyzing trace with hash 644960517, now seen corresponding path program 2 times [2023-11-29 00:39:05,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:39:05,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406539282] [2023-11-29 00:39:05,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:39:05,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:39:05,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:06,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:39:06,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:39:06,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406539282] [2023-11-29 00:39:06,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406539282] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:39:06,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:39:06,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:39:06,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719461279] [2023-11-29 00:39:06,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:39:06,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:39:06,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:39:06,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:39:06,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:39:10,807 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 276 [2023-11-29 00:39:10,809 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 1014 transitions, 14675 flow. Second operand has 20 states, 20 states have (on average 172.55) internal successors, (3451), 20 states have internal predecessors, (3451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:10,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:39:10,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 276 [2023-11-29 00:39:10,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:39:15,312 INFO L124 PetriNetUnfolderBase]: 2442/8275 cut-off events. [2023-11-29 00:39:15,312 INFO L125 PetriNetUnfolderBase]: For 91788/92246 co-relation queries the response was YES. [2023-11-29 00:39:15,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40642 conditions, 8275 events. 2442/8275 cut-off events. For 91788/92246 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 77710 event pairs, 263 based on Foata normal form. 85/8284 useless extension candidates. Maximal degree in co-relation 40439. Up to 1264 conditions per place. [2023-11-29 00:39:15,435 INFO L140 encePairwiseOnDemand]: 242/276 looper letters, 627 selfloop transitions, 274 changer transitions 17/1167 dead transitions. [2023-11-29 00:39:15,435 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 549 places, 1167 transitions, 17971 flow [2023-11-29 00:39:15,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-29 00:39:15,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2023-11-29 00:39:15,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 6471 transitions. [2023-11-29 00:39:15,448 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6336662749706228 [2023-11-29 00:39:15,448 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 6471 transitions. [2023-11-29 00:39:15,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 6471 transitions. [2023-11-29 00:39:15,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:39:15,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 6471 transitions. [2023-11-29 00:39:15,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 174.8918918918919) internal successors, (6471), 37 states have internal predecessors, (6471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:15,612 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 276.0) internal successors, (10488), 38 states have internal predecessors, (10488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:15,614 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 276.0) internal successors, (10488), 38 states have internal predecessors, (10488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:15,614 INFO L175 Difference]: Start difference. First operand has 526 places, 1014 transitions, 14675 flow. Second operand 37 states and 6471 transitions. [2023-11-29 00:39:15,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 549 places, 1167 transitions, 17971 flow [2023-11-29 00:39:16,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 1167 transitions, 17620 flow, removed 22 selfloop flow, removed 31 redundant places. [2023-11-29 00:39:16,299 INFO L231 Difference]: Finished difference. Result has 522 places, 1026 transitions, 15390 flow [2023-11-29 00:39:16,300 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=14324, PETRI_DIFFERENCE_MINUEND_PLACES=482, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1014, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=262, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=740, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=15390, PETRI_PLACES=522, PETRI_TRANSITIONS=1026} [2023-11-29 00:39:16,301 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, 243 predicate places. [2023-11-29 00:39:16,301 INFO L495 AbstractCegarLoop]: Abstraction has has 522 places, 1026 transitions, 15390 flow [2023-11-29 00:39:16,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 172.55) internal successors, (3451), 20 states have internal predecessors, (3451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:16,301 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:39:16,302 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:39:16,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 00:39:16,302 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:39:16,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:39:16,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1645045977, now seen corresponding path program 3 times [2023-11-29 00:39:16,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:39:16,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756380570] [2023-11-29 00:39:16,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:39:16,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:39:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:17,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:39:17,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:39:17,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756380570] [2023-11-29 00:39:17,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756380570] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:39:17,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:39:17,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:39:17,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122372336] [2023-11-29 00:39:17,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:39:17,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:39:17,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:39:17,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:39:17,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:39:21,975 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 276 [2023-11-29 00:39:21,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 522 places, 1026 transitions, 15390 flow. Second operand has 20 states, 20 states have (on average 172.5) internal successors, (3450), 20 states have internal predecessors, (3450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:21,977 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:39:21,977 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 276 [2023-11-29 00:39:21,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:39:27,302 INFO L124 PetriNetUnfolderBase]: 2432/8188 cut-off events. [2023-11-29 00:39:27,302 INFO L125 PetriNetUnfolderBase]: For 100447/100893 co-relation queries the response was YES. [2023-11-29 00:39:27,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41583 conditions, 8188 events. 2432/8188 cut-off events. For 100447/100893 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 76673 event pairs, 208 based on Foata normal form. 100/8221 useless extension candidates. Maximal degree in co-relation 41378. Up to 1387 conditions per place. [2023-11-29 00:39:27,384 INFO L140 encePairwiseOnDemand]: 241/276 looper letters, 583 selfloop transitions, 333 changer transitions 20/1185 dead transitions. [2023-11-29 00:39:27,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 565 places, 1185 transitions, 18564 flow [2023-11-29 00:39:27,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-11-29 00:39:27,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2023-11-29 00:39:27,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 7675 transitions. [2023-11-29 00:39:27,393 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6319993412384717 [2023-11-29 00:39:27,393 INFO L72 ComplementDD]: Start complementDD. Operand 44 states and 7675 transitions. [2023-11-29 00:39:27,393 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 7675 transitions. [2023-11-29 00:39:27,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:39:27,395 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 44 states and 7675 transitions. [2023-11-29 00:39:27,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 45 states, 44 states have (on average 174.4318181818182) internal successors, (7675), 44 states have internal predecessors, (7675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:27,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 45 states, 45 states have (on average 276.0) internal successors, (12420), 45 states have internal predecessors, (12420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:27,413 INFO L81 ComplementDD]: Finished complementDD. Result has 45 states, 45 states have (on average 276.0) internal successors, (12420), 45 states have internal predecessors, (12420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:27,413 INFO L175 Difference]: Start difference. First operand has 522 places, 1026 transitions, 15390 flow. Second operand 44 states and 7675 transitions. [2023-11-29 00:39:27,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 565 places, 1185 transitions, 18564 flow [2023-11-29 00:39:27,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 1185 transitions, 18086 flow, removed 28 selfloop flow, removed 32 redundant places. [2023-11-29 00:39:28,015 INFO L231 Difference]: Finished difference. Result has 541 places, 1042 transitions, 16136 flow [2023-11-29 00:39:28,016 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=14927, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1026, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=318, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=701, PETRI_DIFFERENCE_SUBTRAHEND_STATES=44, PETRI_FLOW=16136, PETRI_PLACES=541, PETRI_TRANSITIONS=1042} [2023-11-29 00:39:28,016 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, 262 predicate places. [2023-11-29 00:39:28,016 INFO L495 AbstractCegarLoop]: Abstraction has has 541 places, 1042 transitions, 16136 flow [2023-11-29 00:39:28,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 172.5) internal successors, (3450), 20 states have internal predecessors, (3450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:28,017 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:39:28,017 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:39:28,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 00:39:28,017 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:39:28,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:39:28,017 INFO L85 PathProgramCache]: Analyzing trace with hash 679159285, now seen corresponding path program 1 times [2023-11-29 00:39:28,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:39:28,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326780382] [2023-11-29 00:39:28,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:39:28,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:39:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:30,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:39:30,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:39:30,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326780382] [2023-11-29 00:39:30,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326780382] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:39:30,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:39:30,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-11-29 00:39:30,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101873917] [2023-11-29 00:39:30,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:39:30,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-29 00:39:30,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:39:30,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-29 00:39:30,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=524, Unknown=0, NotChecked=0, Total=600 [2023-11-29 00:39:37,065 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 276 [2023-11-29 00:39:37,068 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 1042 transitions, 16136 flow. Second operand has 25 states, 25 states have (on average 169.96) internal successors, (4249), 25 states have internal predecessors, (4249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:37,068 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:39:37,068 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 276 [2023-11-29 00:39:37,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:39:42,003 INFO L124 PetriNetUnfolderBase]: 2284/8092 cut-off events. [2023-11-29 00:39:42,004 INFO L125 PetriNetUnfolderBase]: For 103032/103459 co-relation queries the response was YES. [2023-11-29 00:39:42,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40813 conditions, 8092 events. 2284/8092 cut-off events. For 103032/103459 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 76253 event pairs, 274 based on Foata normal form. 80/8041 useless extension candidates. Maximal degree in co-relation 40598. Up to 1274 conditions per place. [2023-11-29 00:39:42,108 INFO L140 encePairwiseOnDemand]: 246/276 looper letters, 575 selfloop transitions, 104 changer transitions 74/1163 dead transitions. [2023-11-29 00:39:42,109 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 573 places, 1163 transitions, 18691 flow [2023-11-29 00:39:42,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-29 00:39:42,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2023-11-29 00:39:42,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 5843 transitions. [2023-11-29 00:39:42,113 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6226555839727195 [2023-11-29 00:39:42,113 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 5843 transitions. [2023-11-29 00:39:42,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 5843 transitions. [2023-11-29 00:39:42,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:39:42,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 5843 transitions. [2023-11-29 00:39:42,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 171.85294117647058) internal successors, (5843), 34 states have internal predecessors, (5843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:42,124 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 276.0) internal successors, (9660), 35 states have internal predecessors, (9660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:42,125 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 276.0) internal successors, (9660), 35 states have internal predecessors, (9660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:42,126 INFO L175 Difference]: Start difference. First operand has 541 places, 1042 transitions, 16136 flow. Second operand 34 states and 5843 transitions. [2023-11-29 00:39:42,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 573 places, 1163 transitions, 18691 flow [2023-11-29 00:39:42,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 530 places, 1163 transitions, 17933 flow, removed 48 selfloop flow, removed 43 redundant places. [2023-11-29 00:39:42,993 INFO L231 Difference]: Finished difference. Result has 532 places, 1025 transitions, 15424 flow [2023-11-29 00:39:42,994 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=15393, PETRI_DIFFERENCE_MINUEND_PLACES=497, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1041, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=942, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=15424, PETRI_PLACES=532, PETRI_TRANSITIONS=1025} [2023-11-29 00:39:42,994 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, 253 predicate places. [2023-11-29 00:39:42,994 INFO L495 AbstractCegarLoop]: Abstraction has has 532 places, 1025 transitions, 15424 flow [2023-11-29 00:39:42,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 169.96) internal successors, (4249), 25 states have internal predecessors, (4249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:42,995 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:39:42,995 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:39:42,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 00:39:42,995 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:39:42,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:39:42,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1043966820, now seen corresponding path program 1 times [2023-11-29 00:39:42,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:39:42,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241523556] [2023-11-29 00:39:42,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:39:42,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:39:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:44,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:39:44,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:39:44,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241523556] [2023-11-29 00:39:44,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241523556] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:39:44,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:39:44,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2023-11-29 00:39:44,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920623158] [2023-11-29 00:39:44,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:39:44,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-29 00:39:44,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:39:44,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-29 00:39:44,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2023-11-29 00:39:48,647 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 276 [2023-11-29 00:39:48,650 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 532 places, 1025 transitions, 15424 flow. Second operand has 24 states, 24 states have (on average 146.58333333333334) internal successors, (3518), 24 states have internal predecessors, (3518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:48,651 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:39:48,651 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 276 [2023-11-29 00:39:48,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:39:55,394 INFO L124 PetriNetUnfolderBase]: 3462/10168 cut-off events. [2023-11-29 00:39:55,394 INFO L125 PetriNetUnfolderBase]: For 105503/105771 co-relation queries the response was YES. [2023-11-29 00:39:55,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51320 conditions, 10168 events. 3462/10168 cut-off events. For 105503/105771 co-relation queries the response was YES. Maximal size of possible extension queue 274. Compared 91819 event pairs, 657 based on Foata normal form. 72/10147 useless extension candidates. Maximal degree in co-relation 51116. Up to 2346 conditions per place. [2023-11-29 00:39:55,491 INFO L140 encePairwiseOnDemand]: 235/276 looper letters, 793 selfloop transitions, 214 changer transitions 52/1264 dead transitions. [2023-11-29 00:39:55,491 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 1264 transitions, 19694 flow [2023-11-29 00:39:55,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-29 00:39:55,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2023-11-29 00:39:55,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 5620 transitions. [2023-11-29 00:39:55,496 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5503329416372895 [2023-11-29 00:39:55,496 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 5620 transitions. [2023-11-29 00:39:55,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 5620 transitions. [2023-11-29 00:39:55,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:39:55,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 5620 transitions. [2023-11-29 00:39:55,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 151.8918918918919) internal successors, (5620), 37 states have internal predecessors, (5620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:55,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 276.0) internal successors, (10488), 38 states have internal predecessors, (10488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:55,508 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 276.0) internal successors, (10488), 38 states have internal predecessors, (10488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:55,508 INFO L175 Difference]: Start difference. First operand has 532 places, 1025 transitions, 15424 flow. Second operand 37 states and 5620 transitions. [2023-11-29 00:39:55,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 1264 transitions, 19694 flow [2023-11-29 00:39:56,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 1264 transitions, 19457 flow, removed 4 selfloop flow, removed 20 redundant places. [2023-11-29 00:39:56,190 INFO L231 Difference]: Finished difference. Result has 546 places, 1047 transitions, 16167 flow [2023-11-29 00:39:56,191 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=276, PETRI_DIFFERENCE_MINUEND_FLOW=15196, PETRI_DIFFERENCE_MINUEND_PLACES=500, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1025, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=192, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=828, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=16167, PETRI_PLACES=546, PETRI_TRANSITIONS=1047} [2023-11-29 00:39:56,191 INFO L281 CegarLoopForPetriNet]: 279 programPoint places, 267 predicate places. [2023-11-29 00:39:56,192 INFO L495 AbstractCegarLoop]: Abstraction has has 546 places, 1047 transitions, 16167 flow [2023-11-29 00:39:56,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 146.58333333333334) internal successors, (3518), 24 states have internal predecessors, (3518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:56,192 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:39:56,192 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:39:56,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 00:39:56,192 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-29 00:39:56,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:39:56,193 INFO L85 PathProgramCache]: Analyzing trace with hash 2121366055, now seen corresponding path program 1 times [2023-11-29 00:39:56,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:39:56,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110046428] [2023-11-29 00:39:56,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:39:56,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:39:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:39:56,290 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:39:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:39:56,500 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:39:56,500 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 00:39:56,501 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (36 of 37 remaining) [2023-11-29 00:39:56,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2023-11-29 00:39:56,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2023-11-29 00:39:56,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2023-11-29 00:39:56,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2023-11-29 00:39:56,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2023-11-29 00:39:56,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2023-11-29 00:39:56,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2023-11-29 00:39:56,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2023-11-29 00:39:56,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2023-11-29 00:39:56,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2023-11-29 00:39:56,504 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2023-11-29 00:39:56,504 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2023-11-29 00:39:56,504 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2023-11-29 00:39:56,504 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2023-11-29 00:39:56,504 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2023-11-29 00:39:56,505 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2023-11-29 00:39:56,505 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2023-11-29 00:39:56,505 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2023-11-29 00:39:56,505 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2023-11-29 00:39:56,505 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 37 remaining) [2023-11-29 00:39:56,505 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (15 of 37 remaining) [2023-11-29 00:39:56,505 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (14 of 37 remaining) [2023-11-29 00:39:56,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (13 of 37 remaining) [2023-11-29 00:39:56,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining) [2023-11-29 00:39:56,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2023-11-29 00:39:56,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2023-11-29 00:39:56,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2023-11-29 00:39:56,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2023-11-29 00:39:56,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2023-11-29 00:39:56,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2023-11-29 00:39:56,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2023-11-29 00:39:56,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2023-11-29 00:39:56,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2023-11-29 00:39:56,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2023-11-29 00:39:56,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2023-11-29 00:39:56,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2023-11-29 00:39:56,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 00:39:56,507 INFO L445 BasicCegarLoop]: Path program histogram: [5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:39:56,515 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 00:39:56,515 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:39:56,597 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc44 [2023-11-29 00:39:56,599 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet46 could not be translated [2023-11-29 00:39:56,599 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc45 [2023-11-29 00:39:56,600 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc48 [2023-11-29 00:39:56,600 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet49 could not be translated [2023-11-29 00:39:56,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre51 could not be translated [2023-11-29 00:39:56,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem54 [2023-11-29 00:39:56,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem54 [2023-11-29 00:39:56,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 00:39:56,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 00:39:56,604 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,604 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,605 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem59 [2023-11-29 00:39:56,605 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem59 [2023-11-29 00:39:56,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,607 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,607 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,607 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,608 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,608 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem59 [2023-11-29 00:39:56,608 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,608 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,609 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem59 [2023-11-29 00:39:56,609 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,609 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem59 [2023-11-29 00:39:56,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,612 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-29 00:39:56,612 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,612 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,612 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated [2023-11-29 00:39:56,613 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated [2023-11-29 00:39:56,613 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-29 00:39:56,613 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,613 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated [2023-11-29 00:39:56,614 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,614 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated [2023-11-29 00:39:56,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:39:56 BasicIcfg [2023-11-29 00:39:56,625 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:39:56,625 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:39:56,625 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:39:56,625 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:39:56,626 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:37:31" (3/4) ... [2023-11-29 00:39:56,627 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 00:39:56,628 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:39:56,628 INFO L158 Benchmark]: Toolchain (without parser) took 146538.19ms. Allocated memory was 180.4MB in the beginning and 4.6GB in the end (delta: 4.4GB). Free memory was 145.2MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2023-11-29 00:39:56,629 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:39:56,629 INFO L158 Benchmark]: CACSL2BoogieTranslator took 846.25ms. Allocated memory is still 180.4MB. Free memory was 145.2MB in the beginning and 105.3MB in the end (delta: 39.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-29 00:39:56,629 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.45ms. Allocated memory is still 180.4MB. Free memory was 104.4MB in the beginning and 101.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:39:56,630 INFO L158 Benchmark]: Boogie Preprocessor took 43.56ms. Allocated memory is still 180.4MB. Free memory was 101.4MB in the beginning and 98.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 00:39:56,630 INFO L158 Benchmark]: RCFGBuilder took 795.06ms. Allocated memory is still 180.4MB. Free memory was 98.2MB in the beginning and 64.6MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-29 00:39:56,630 INFO L158 Benchmark]: TraceAbstraction took 144779.86ms. Allocated memory was 180.4MB in the beginning and 4.6GB in the end (delta: 4.4GB). Free memory was 63.7MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2023-11-29 00:39:56,630 INFO L158 Benchmark]: Witness Printer took 3.01ms. Allocated memory is still 4.6GB. Free memory was 2.9GB in the beginning and 2.9GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:39:56,632 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 846.25ms. Allocated memory is still 180.4MB. Free memory was 145.2MB in the beginning and 105.3MB in the end (delta: 39.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.45ms. Allocated memory is still 180.4MB. Free memory was 104.4MB in the beginning and 101.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.56ms. Allocated memory is still 180.4MB. Free memory was 101.4MB in the beginning and 98.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 795.06ms. Allocated memory is still 180.4MB. Free memory was 98.2MB in the beginning and 64.6MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 144779.86ms. Allocated memory was 180.4MB in the beginning and 4.6GB in the end (delta: 4.4GB). Free memory was 63.7MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * Witness Printer took 3.01ms. Allocated memory is still 4.6GB. Free memory was 2.9GB in the beginning and 2.9GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc44 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc45 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc48 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem54 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem54 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem33 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem33 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem59 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem33 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem33 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem59 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem33 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem33 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem33 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem59 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem33 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem59 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem33 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem33 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem33 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem59 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem33 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem33 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem33 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 1259]: Data race detected [2023-11-29 00:39:56,688 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc44 [2023-11-29 00:39:56,689 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc45 [2023-11-29 00:39:56,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet46 could not be translated [2023-11-29 00:39:56,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet49 could not be translated [2023-11-29 00:39:56,691 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc48 [2023-11-29 00:39:56,692 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre51 could not be translated [2023-11-29 00:39:56,692 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem54 [2023-11-29 00:39:56,692 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem54 [2023-11-29 00:39:56,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 00:39:56,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 00:39:56,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem59 [2023-11-29 00:39:56,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,695 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem59 [2023-11-29 00:39:56,695 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,695 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,695 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,696 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,696 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,696 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,696 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem59 [2023-11-29 00:39:56,696 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,697 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,697 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,697 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,697 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem59 [2023-11-29 00:39:56,697 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,698 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,698 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem59 [2023-11-29 00:39:56,698 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,698 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,698 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-29 00:39:56,699 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,699 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,699 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,699 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,699 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated [2023-11-29 00:39:56,699 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated [2023-11-29 00:39:56,700 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,700 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,700 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated [2023-11-29 00:39:56,700 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-29 00:39:56,700 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated [2023-11-29 00:39:56,736 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc44 [2023-11-29 00:39:56,737 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet46 could not be translated [2023-11-29 00:39:56,737 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc45 [2023-11-29 00:39:56,737 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet49 could not be translated [2023-11-29 00:39:56,737 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc48 [2023-11-29 00:39:56,738 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre51 could not be translated [2023-11-29 00:39:56,738 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem54 [2023-11-29 00:39:56,738 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem54 [2023-11-29 00:39:56,738 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 00:39:56,739 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-29 00:39:56,739 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,739 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,739 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,739 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem59 [2023-11-29 00:39:56,739 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem59 [2023-11-29 00:39:56,739 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,739 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,739 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem59 [2023-11-29 00:39:56,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem59 [2023-11-29 00:39:56,741 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,741 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,741 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,741 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,741 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,741 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem59 [2023-11-29 00:39:56,741 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,741 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,741 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-29 00:39:56,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated [2023-11-29 00:39:56,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated [2023-11-29 00:39:56,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem33 [2023-11-29 00:39:56,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-29 00:39:56,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated [2023-11-29 00:39:56,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated [2023-11-29 00:39:56,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated Data race detected The following path leads to a data race: [L1223-L1226] 0 struct s { int datum; struct s *next; } *A, *B; VAL [A={0:0}, B={0:0}] [L1231] 0 pthread_mutex_t A_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [A={0:0}, A_mutex={1:0}, B={0:0}] [L1232] 0 pthread_mutex_t B_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [A={0:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}] [L1243] 0 pthread_t t1; VAL [A={0:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, t1={13:0}] [L1244] 0 struct s *p = malloc(sizeof(struct s)); VAL [A={0:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, p={-2:0}, t1={13:0}] [L1245] CALL 0 init(p,9) [L1228] 0 p -> datum = x VAL [A={0:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, \old(x)=9, p={-2:0}, p={-2:0}, x=9] [L1229] 0 p -> next = ((void *)0) VAL [A={0:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, \old(x)=9, p={-2:0}, p={-2:0}, x=9] [L1245] RET 0 init(p,9) [L1246] 0 A = malloc(sizeof(struct s)) VAL [A={-3:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, p={-2:0}, t1={13:0}] [L1247] 0 init(A,3) [L1247] CALL 0 init(A,3) [L1228] 0 p -> datum = x VAL [A={-3:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, \old(x)=3, p={-3:0}, p={-3:0}, x=3] [L1229] 0 p -> next = ((void *)0) VAL [A={-3:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, \old(x)=3, p={-3:0}, p={-3:0}, x=3] [L1247] RET 0 init(A,3) [L1248] EXPR 0 A->next VAL [A={-3:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, p={-2:0}, t1={13:0}] [L1248] 0 A->next = p VAL [A={-3:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, p={-2:0}, t1={13:0}] [L1249] 0 B = malloc(sizeof(struct s)) VAL [A={-3:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, p={-2:0}, t1={13:0}] [L1250] 0 init(B,5) [L1250] CALL 0 init(B,5) [L1228] 0 p -> datum = x VAL [A={-3:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, \old(x)=5, p={11:0}, p={11:0}, x=5] [L1229] 0 p -> next = ((void *)0) VAL [A={-3:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, \old(x)=5, p={11:0}, p={11:0}, x=5] [L1250] RET 0 init(B,5) [L1251] EXPR 0 B->next VAL [A={-3:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, p={-2:0}, t1={13:0}] [L1251] 0 B->next = p VAL [A={-3:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, p={-2:0}, t1={13:0}] [L1252] FCALL, FORK 0 pthread_create(&t1, ((void *)0), t_fun, ((void *)0)) VAL [A={-3:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, p={-2:0}, t1={13:0}] [L1254] EXPR 0 A->next VAL [A={-3:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, p={-2:0}, t1={13:0}] [L1254] 0 p = A->next VAL [A={-3:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, p={-2:0}, t1={13:0}] [L1255] EXPR 0 p->datum VAL [A={-3:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, p={-2:0}, t1={13:0}] [L1255] 0 printf("%d\n", p->datum) VAL [A={-3:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, p={-2:0}, t1={13:0}] [L1235] EXPR 1 A->next VAL [A={-3:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}] [L1235] EXPR 1 A->next->datum VAL [A={-3:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}] [L1258] EXPR 0 B->next VAL [A={-3:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}, p={-2:0}, t1={13:0}] [L1258] 0 p = B->next VAL [A={-3:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}, p={-2:0}, t1={13:0}] [L1235] EXPR 1 A->next->datum VAL [A={-3:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}] [L1235] 1 A->next->datum++ VAL [A={-3:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}] [L1258] 0 p = B->next VAL [A={-3:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}, p={-2:0}, t1={13:0}] [L1235] 1 A->next->datum++ VAL [A={-3:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}] [L1258] 0 p = B->next VAL [A={-3:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}, p={-2:0}, t1={13:0}] [L1235] 1 A->next->datum++ VAL [A={-3:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}] [L1258] 0 p = B->next VAL [A={-3:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}, p={-2:0}, t1={13:0}] [L1259] EXPR 0 p->datum VAL [A={-3:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}, p={-2:0}, t1={13:0}] [L1235] 1 A->next->datum++ VAL [A={-3:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}] [L1259] 0 printf("%d\n", p->datum) VAL [A={-3:0}, A_mutex={1:0}, B={11:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}, p={-2:0}, t1={13:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: p -> datum = x [1228] * C: p -> next = ((void *)0) [1229] * C: B->next = p [1251] * C: A->next = p [1248] * C: B->next = p [1251] * C: A->next = p [1248] * C: B->next = p [1251] * C: A->next = p [1248] * C: A->next->datum++ [1235] * C: A = malloc(sizeof(struct s)) [1246] * C: B->next = p [1251] * C: p -> next = ((void *)0) [1229] * C: p -> datum = x [1228] * C: A->next = p [1248] * C: B = malloc(sizeof(struct s)) [1249] * C: p -> next = ((void *)0) [1229] * C: p -> datum = x [1228] * C: p -> next = ((void *)0) [1229] * C: p -> datum = x [1228] and C: printf("%d\n", p->datum) [1259] - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1246]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1247]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1248]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1248]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1249]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1250]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1251]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1251]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1254]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1254]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1255]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1258]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1258]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1252]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1235]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1235]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1235]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1235]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 350 locations, 37 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: 144.5s, OverallIterations: 28, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 117.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24423 SdHoareTripleChecker+Valid, 64.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21177 mSDsluCounter, 66198 SdHoareTripleChecker+Invalid, 56.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 65243 mSDsCounter, 3282 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119614 IncrementalHoareTripleChecker+Invalid, 122896 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3282 mSolverCounterUnsat, 955 mSDtfsCounter, 119614 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 738 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 580 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6408 ImplicationChecksByTransitivity, 10.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16167occurred in iteration=27, InterpolantAutomatonStates: 481, 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: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 24.6s InterpolantComputationTime, 4168 NumberOfCodeBlocks, 4168 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 3945 ConstructedInterpolants, 0 QuantifiedInterpolants, 39765 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 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 RESULT: Ultimate proved your program to be incorrect! [2023-11-29 00:39:56,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1971d756-6b0c-4880-bb73-cc18f83850d6/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE