./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb924ab-3452-4616-95d9-03eda95924fd/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb924ab-3452-4616-95d9-03eda95924fd/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb924ab-3452-4616-95d9-03eda95924fd/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb924ab-3452-4616-95d9-03eda95924fd/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb924ab-3452-4616-95d9-03eda95924fd/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb924ab-3452-4616-95d9-03eda95924fd/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 841ea5a5ca051cc33dfe29d877ccdea4b63526a0ee61a2de18869a9ba1858c4b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:02:25,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:02:25,877 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb924ab-3452-4616-95d9-03eda95924fd/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 23:02:25,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:02:25,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:02:25,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:02:25,943 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:02:25,944 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:02:25,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:02:25,946 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:02:25,947 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:02:25,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:02:25,948 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:02:25,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:02:25,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:02:25,951 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:02:25,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:02:25,952 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:02:25,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:02:25,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:02:25,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:02:25,955 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:02:25,955 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 23:02:25,956 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:02:25,956 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:02:25,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:02:25,957 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:02:25,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:02:25,958 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:02:25,960 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:02:25,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:02:25,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:02:25,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:02:25,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:02:25,962 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:02:25,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:02:25,963 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:02:25,964 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:02:25,964 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:02:25,965 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:02:25,965 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:02:25,966 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_adb924ab-3452-4616-95d9-03eda95924fd/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb924ab-3452-4616-95d9-03eda95924fd/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 841ea5a5ca051cc33dfe29d877ccdea4b63526a0ee61a2de18869a9ba1858c4b [2023-11-06 23:02:26,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:02:26,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:02:26,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:02:26,360 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:02:26,360 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:02:26,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb924ab-3452-4616-95d9-03eda95924fd/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2023-11-06 23:02:29,790 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:02:30,110 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:02:30,111 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb924ab-3452-4616-95d9-03eda95924fd/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2023-11-06 23:02:30,133 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb924ab-3452-4616-95d9-03eda95924fd/bin/uautomizer-verify-WvqO1wxjHP/data/fcedefe2a/c0dba2683cd14c14ac8541b968d53bf7/FLAG6a70d929a [2023-11-06 23:02:30,160 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb924ab-3452-4616-95d9-03eda95924fd/bin/uautomizer-verify-WvqO1wxjHP/data/fcedefe2a/c0dba2683cd14c14ac8541b968d53bf7 [2023-11-06 23:02:30,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:02:30,176 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:02:30,179 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:02:30,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:02:30,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:02:30,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:02:30" (1/1) ... [2023-11-06 23:02:30,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e602e1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:30, skipping insertion in model container [2023-11-06 23:02:30,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:02:30" (1/1) ... [2023-11-06 23:02:30,240 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:02:30,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:02:30,543 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:02:30,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:02:30,609 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:02:30,609 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:02:30,619 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:02:30,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:30 WrapperNode [2023-11-06 23:02:30,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:02:30,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:02:30,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:02:30,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:02:30,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:30" (1/1) ... [2023-11-06 23:02:30,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:30" (1/1) ... [2023-11-06 23:02:30,734 INFO L138 Inliner]: procedures = 26, calls = 74, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 506 [2023-11-06 23:02:30,735 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:02:30,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:02:30,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:02:30,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:02:30,749 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:30" (1/1) ... [2023-11-06 23:02:30,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:30" (1/1) ... [2023-11-06 23:02:30,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:30" (1/1) ... [2023-11-06 23:02:30,759 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:30" (1/1) ... [2023-11-06 23:02:30,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:30" (1/1) ... [2023-11-06 23:02:30,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:30" (1/1) ... [2023-11-06 23:02:30,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:30" (1/1) ... [2023-11-06 23:02:30,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:30" (1/1) ... [2023-11-06 23:02:30,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:02:30,849 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:02:30,850 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:02:30,850 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:02:30,852 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:30" (1/1) ... [2023-11-06 23:02:30,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:02:30,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb924ab-3452-4616-95d9-03eda95924fd/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:30,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb924ab-3452-4616-95d9-03eda95924fd/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:02:30,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb924ab-3452-4616-95d9-03eda95924fd/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:02:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:02:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:02:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:02:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:02:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 23:02:30,953 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 23:02:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 23:02:30,953 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 23:02:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 23:02:30,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 23:02:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-06 23:02:30,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-06 23:02:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:02:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 23:02:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 23:02:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 23:02:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:02:30,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:02:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:02:30,961 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 23:02:31,259 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:02:31,262 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:02:32,430 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:02:33,074 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:02:33,074 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-06 23:02:33,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:33 BoogieIcfgContainer [2023-11-06 23:02:33,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:02:33,084 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:02:33,085 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:02:33,096 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:02:33,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:02:30" (1/3) ... [2023-11-06 23:02:33,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab8f983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:02:33, skipping insertion in model container [2023-11-06 23:02:33,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:30" (2/3) ... [2023-11-06 23:02:33,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab8f983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:02:33, skipping insertion in model container [2023-11-06 23:02:33,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:33" (3/3) ... [2023-11-06 23:02:33,103 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons3.wvr.c [2023-11-06 23:02:33,116 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 23:02:33,130 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:02:33,130 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 72 error locations. [2023-11-06 23:02:33,131 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 23:02:33,358 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-06 23:02:33,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 404 places, 409 transitions, 846 flow [2023-11-06 23:02:33,618 INFO L124 PetriNetUnfolderBase]: 18/405 cut-off events. [2023-11-06 23:02:33,618 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-06 23:02:33,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 405 events. 18/405 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 484 event pairs, 0 based on Foata normal form. 0/315 useless extension candidates. Maximal degree in co-relation 339. Up to 3 conditions per place. [2023-11-06 23:02:33,630 INFO L82 GeneralOperation]: Start removeDead. Operand has 404 places, 409 transitions, 846 flow [2023-11-06 23:02:33,649 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 376 places, 380 transitions, 784 flow [2023-11-06 23:02:33,653 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 23:02:33,704 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 376 places, 380 transitions, 784 flow [2023-11-06 23:02:33,707 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 376 places, 380 transitions, 784 flow [2023-11-06 23:02:33,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 376 places, 380 transitions, 784 flow [2023-11-06 23:02:33,820 INFO L124 PetriNetUnfolderBase]: 17/380 cut-off events. [2023-11-06 23:02:33,820 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-06 23:02:33,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 397 conditions, 380 events. 17/380 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 484 event pairs, 0 based on Foata normal form. 0/292 useless extension candidates. Maximal degree in co-relation 339. Up to 3 conditions per place. [2023-11-06 23:02:33,840 INFO L119 LiptonReduction]: Number of co-enabled transitions 10944 [2023-11-06 23:02:53,878 INFO L134 LiptonReduction]: Checked pairs total: 72267 [2023-11-06 23:02:53,878 INFO L136 LiptonReduction]: Total number of compositions: 406 [2023-11-06 23:02:53,899 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:02:53,907 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=LoopsAndPotentialCycles, 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;@3dccde13, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:02:53,907 INFO L358 AbstractCegarLoop]: Starting to check reachability of 125 error locations. [2023-11-06 23:02:53,909 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 23:02:53,910 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 23:02:53,910 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:02:53,910 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:02:53,911 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 23:02:53,912 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-06 23:02:53,917 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:53,918 INFO L85 PathProgramCache]: Analyzing trace with hash 2028, now seen corresponding path program 1 times [2023-11-06 23:02:53,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:53,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405062105] [2023-11-06 23:02:53,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:53,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:54,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:02:54,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:54,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405062105] [2023-11-06 23:02:54,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405062105] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:54,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:54,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 23:02:54,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123392045] [2023-11-06 23:02:54,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:54,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:02:54,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:54,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:02:54,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:02:54,137 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 815 [2023-11-06 23:02:54,146 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 120 transitions, 264 flow. Second operand has 2 states, 2 states have (on average 328.5) internal successors, (657), 2 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:02:54,146 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:02:54,146 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 815 [2023-11-06 23:02:54,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:02:54,902 INFO L124 PetriNetUnfolderBase]: 2173/3651 cut-off events. [2023-11-06 23:02:54,902 INFO L125 PetriNetUnfolderBase]: For 291/291 co-relation queries the response was YES. [2023-11-06 23:02:54,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6919 conditions, 3651 events. 2173/3651 cut-off events. For 291/291 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 19611 event pairs, 1717 based on Foata normal form. 1/3025 useless extension candidates. Maximal degree in co-relation 5722. Up to 2950 conditions per place. [2023-11-06 23:02:54,945 INFO L140 encePairwiseOnDemand]: 747/815 looper letters, 32 selfloop transitions, 0 changer transitions 3/52 dead transitions. [2023-11-06 23:02:54,946 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 52 transitions, 198 flow [2023-11-06 23:02:54,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:02:54,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 23:02:54,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 759 transitions. [2023-11-06 23:02:54,977 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4656441717791411 [2023-11-06 23:02:54,978 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 759 transitions. [2023-11-06 23:02:54,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 759 transitions. [2023-11-06 23:02:54,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:02:54,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 759 transitions. [2023-11-06 23:02:54,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 379.5) internal successors, (759), 2 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:02:55,003 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 815.0) internal successors, (2445), 3 states have internal predecessors, (2445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:02:55,006 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 815.0) internal successors, (2445), 3 states have internal predecessors, (2445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:02:55,008 INFO L175 Difference]: Start difference. First operand has 128 places, 120 transitions, 264 flow. Second operand 2 states and 759 transitions. [2023-11-06 23:02:55,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 52 transitions, 198 flow [2023-11-06 23:02:55,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 52 transitions, 182 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-11-06 23:02:55,019 INFO L231 Difference]: Finished difference. Result has 53 places, 49 transitions, 104 flow [2023-11-06 23:02:55,022 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=815, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=104, PETRI_PLACES=53, PETRI_TRANSITIONS=49} [2023-11-06 23:02:55,026 INFO L281 CegarLoopForPetriNet]: 128 programPoint places, -75 predicate places. [2023-11-06 23:02:55,026 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 49 transitions, 104 flow [2023-11-06 23:02:55,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 328.5) internal successors, (657), 2 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:02:55,028 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:02:55,028 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 23:02:55,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:02:55,029 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-06 23:02:55,029 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:55,029 INFO L85 PathProgramCache]: Analyzing trace with hash 673582984, now seen corresponding path program 1 times [2023-11-06 23:02:55,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:55,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014634644] [2023-11-06 23:02:55,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:55,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:55,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:02:55,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:55,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014634644] [2023-11-06 23:02:55,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014634644] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:55,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:55,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:02:55,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181357598] [2023-11-06 23:02:55,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:55,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:02:55,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:55,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:02:55,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:02:55,391 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 815 [2023-11-06 23:02:55,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 49 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 320.0) internal successors, (960), 3 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:02:55,394 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:02:55,395 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 815 [2023-11-06 23:02:55,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:02:56,130 INFO L124 PetriNetUnfolderBase]: 2643/4376 cut-off events. [2023-11-06 23:02:56,131 INFO L125 PetriNetUnfolderBase]: For 60/60 co-relation queries the response was YES. [2023-11-06 23:02:56,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8111 conditions, 4376 events. 2643/4376 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 23499 event pairs, 2125 based on Foata normal form. 0/3668 useless extension candidates. Maximal degree in co-relation 8108. Up to 3576 conditions per place. [2023-11-06 23:02:56,171 INFO L140 encePairwiseOnDemand]: 813/815 looper letters, 32 selfloop transitions, 1 changer transitions 0/48 dead transitions. [2023-11-06 23:02:56,172 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 48 transitions, 168 flow [2023-11-06 23:02:56,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:02:56,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:02:56,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 988 transitions. [2023-11-06 23:02:56,178 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40408997955010223 [2023-11-06 23:02:56,182 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 988 transitions. [2023-11-06 23:02:56,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 988 transitions. [2023-11-06 23:02:56,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:02:56,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 988 transitions. [2023-11-06 23:02:56,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 329.3333333333333) internal successors, (988), 3 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:02:56,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 815.0) internal successors, (3260), 4 states have internal predecessors, (3260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:02:56,203 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 815.0) internal successors, (3260), 4 states have internal predecessors, (3260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:02:56,203 INFO L175 Difference]: Start difference. First operand has 53 places, 49 transitions, 104 flow. Second operand 3 states and 988 transitions. [2023-11-06 23:02:56,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 48 transitions, 168 flow [2023-11-06 23:02:56,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 48 transitions, 168 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 23:02:56,214 INFO L231 Difference]: Finished difference. Result has 51 places, 48 transitions, 104 flow [2023-11-06 23:02:56,215 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=815, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=51, PETRI_TRANSITIONS=48} [2023-11-06 23:02:56,215 INFO L281 CegarLoopForPetriNet]: 128 programPoint places, -77 predicate places. [2023-11-06 23:02:56,215 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 48 transitions, 104 flow [2023-11-06 23:02:56,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.0) internal successors, (960), 3 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:02:56,217 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:02:56,217 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:02:56,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:02:56,218 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-06 23:02:56,219 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:56,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1020424944, now seen corresponding path program 1 times [2023-11-06 23:02:56,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:56,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851417919] [2023-11-06 23:02:56,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:56,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:56,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:02:56,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:56,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851417919] [2023-11-06 23:02:56,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851417919] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:56,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:56,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:02:56,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442690023] [2023-11-06 23:02:56,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:56,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:02:56,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:56,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:02:56,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:02:57,296 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 815 [2023-11-06 23:02:57,300 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 48 transitions, 104 flow. Second operand has 6 states, 6 states have (on average 312.5) internal successors, (1875), 6 states have internal predecessors, (1875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:02:57,301 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:02:57,301 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 815 [2023-11-06 23:02:57,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:02:58,592 INFO L124 PetriNetUnfolderBase]: 4971/6843 cut-off events. [2023-11-06 23:02:58,592 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-11-06 23:02:58,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13515 conditions, 6843 events. 4971/6843 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 29638 event pairs, 909 based on Foata normal form. 0/5806 useless extension candidates. Maximal degree in co-relation 13511. Up to 2200 conditions per place. [2023-11-06 23:02:58,659 INFO L140 encePairwiseOnDemand]: 810/815 looper letters, 92 selfloop transitions, 4 changer transitions 0/107 dead transitions. [2023-11-06 23:02:58,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 107 transitions, 414 flow [2023-11-06 23:02:58,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:02:58,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:02:58,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1957 transitions. [2023-11-06 23:02:58,670 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4002044989775051 [2023-11-06 23:02:58,670 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1957 transitions. [2023-11-06 23:02:58,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1957 transitions. [2023-11-06 23:02:58,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:02:58,673 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1957 transitions. [2023-11-06 23:02:58,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 326.1666666666667) internal successors, (1957), 6 states have internal predecessors, (1957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:02:58,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 815.0) internal successors, (5705), 7 states have internal predecessors, (5705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:02:58,701 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 815.0) internal successors, (5705), 7 states have internal predecessors, (5705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:02:58,702 INFO L175 Difference]: Start difference. First operand has 51 places, 48 transitions, 104 flow. Second operand 6 states and 1957 transitions. [2023-11-06 23:02:58,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 107 transitions, 414 flow [2023-11-06 23:02:58,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 107 transitions, 413 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 23:02:58,708 INFO L231 Difference]: Finished difference. Result has 54 places, 47 transitions, 109 flow [2023-11-06 23:02:58,708 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=815, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=109, PETRI_PLACES=54, PETRI_TRANSITIONS=47} [2023-11-06 23:02:58,710 INFO L281 CegarLoopForPetriNet]: 128 programPoint places, -74 predicate places. [2023-11-06 23:02:58,711 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 47 transitions, 109 flow [2023-11-06 23:02:58,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 312.5) internal successors, (1875), 6 states have internal predecessors, (1875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:02:58,713 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:02:58,714 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] [2023-11-06 23:02:58,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:02:58,720 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-06 23:02:58,721 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:58,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1589052132, now seen corresponding path program 1 times [2023-11-06 23:02:58,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:58,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127574690] [2023-11-06 23:02:58,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:58,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:59,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:02:59,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:59,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127574690] [2023-11-06 23:02:59,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127574690] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:59,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:59,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:02:59,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27583456] [2023-11-06 23:02:59,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:59,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:02:59,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:59,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:02:59,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:02:59,680 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 815 [2023-11-06 23:02:59,684 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 47 transitions, 109 flow. Second operand has 6 states, 6 states have (on average 313.1666666666667) internal successors, (1879), 6 states have internal predecessors, (1879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:02:59,685 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:02:59,685 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 815 [2023-11-06 23:02:59,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:03:00,606 INFO L124 PetriNetUnfolderBase]: 2671/4333 cut-off events. [2023-11-06 23:03:00,607 INFO L125 PetriNetUnfolderBase]: For 210/210 co-relation queries the response was YES. [2023-11-06 23:03:00,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8785 conditions, 4333 events. 2671/4333 cut-off events. For 210/210 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 23122 event pairs, 1584 based on Foata normal form. 0/3776 useless extension candidates. Maximal degree in co-relation 8781. Up to 2718 conditions per place. [2023-11-06 23:03:00,641 INFO L140 encePairwiseOnDemand]: 810/815 looper letters, 76 selfloop transitions, 4 changer transitions 0/90 dead transitions. [2023-11-06 23:03:00,642 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 90 transitions, 355 flow [2023-11-06 23:03:00,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:03:00,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:03:00,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1941 transitions. [2023-11-06 23:03:00,651 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3969325153374233 [2023-11-06 23:03:00,651 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1941 transitions. [2023-11-06 23:03:00,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1941 transitions. [2023-11-06 23:03:00,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:03:00,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1941 transitions. [2023-11-06 23:03:00,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 323.5) internal successors, (1941), 6 states have internal predecessors, (1941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:03:00,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 815.0) internal successors, (5705), 7 states have internal predecessors, (5705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:03:00,679 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 815.0) internal successors, (5705), 7 states have internal predecessors, (5705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:03:00,680 INFO L175 Difference]: Start difference. First operand has 54 places, 47 transitions, 109 flow. Second operand 6 states and 1941 transitions. [2023-11-06 23:03:00,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 90 transitions, 355 flow [2023-11-06 23:03:00,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 90 transitions, 348 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 23:03:00,691 INFO L231 Difference]: Finished difference. Result has 54 places, 46 transitions, 108 flow [2023-11-06 23:03:00,692 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=815, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=108, PETRI_PLACES=54, PETRI_TRANSITIONS=46} [2023-11-06 23:03:00,693 INFO L281 CegarLoopForPetriNet]: 128 programPoint places, -74 predicate places. [2023-11-06 23:03:00,693 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 46 transitions, 108 flow [2023-11-06 23:03:00,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 313.1666666666667) internal successors, (1879), 6 states have internal predecessors, (1879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:03:00,695 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:03:00,696 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:03:00,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 23:03:00,696 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-06 23:03:00,697 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:00,697 INFO L85 PathProgramCache]: Analyzing trace with hash -2119267916, now seen corresponding path program 1 times [2023-11-06 23:03:00,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:00,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919843229] [2023-11-06 23:03:00,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:00,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:00,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:03:00,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:00,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919843229] [2023-11-06 23:03:00,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919843229] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:00,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:00,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:03:00,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96817202] [2023-11-06 23:03:00,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:00,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:03:00,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:00,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:03:00,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:03:00,859 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 815 [2023-11-06 23:03:00,862 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 46 transitions, 108 flow. Second operand has 4 states, 4 states have (on average 329.75) internal successors, (1319), 4 states have internal predecessors, (1319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:03:00,863 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:03:00,863 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 815 [2023-11-06 23:03:00,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:03:01,562 INFO L124 PetriNetUnfolderBase]: 2205/3288 cut-off events. [2023-11-06 23:03:01,562 INFO L125 PetriNetUnfolderBase]: For 111/111 co-relation queries the response was YES. [2023-11-06 23:03:01,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6623 conditions, 3288 events. 2205/3288 cut-off events. For 111/111 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 15257 event pairs, 185 based on Foata normal form. 0/2864 useless extension candidates. Maximal degree in co-relation 6619. Up to 1160 conditions per place. [2023-11-06 23:03:01,587 INFO L140 encePairwiseOnDemand]: 810/815 looper letters, 75 selfloop transitions, 5 changer transitions 0/94 dead transitions. [2023-11-06 23:03:01,588 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 94 transitions, 375 flow [2023-11-06 23:03:01,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:03:01,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-06 23:03:01,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1707 transitions. [2023-11-06 23:03:01,595 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4188957055214724 [2023-11-06 23:03:01,596 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1707 transitions. [2023-11-06 23:03:01,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1707 transitions. [2023-11-06 23:03:01,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:03:01,598 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1707 transitions. [2023-11-06 23:03:01,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 341.4) internal successors, (1707), 5 states have internal predecessors, (1707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:03:01,613 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 815.0) internal successors, (4890), 6 states have internal predecessors, (4890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:03:01,615 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 815.0) internal successors, (4890), 6 states have internal predecessors, (4890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:03:01,616 INFO L175 Difference]: Start difference. First operand has 54 places, 46 transitions, 108 flow. Second operand 5 states and 1707 transitions. [2023-11-06 23:03:01,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 94 transitions, 375 flow [2023-11-06 23:03:01,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 94 transitions, 362 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 23:03:01,621 INFO L231 Difference]: Finished difference. Result has 57 places, 49 transitions, 132 flow [2023-11-06 23:03:01,621 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=815, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=132, PETRI_PLACES=57, PETRI_TRANSITIONS=49} [2023-11-06 23:03:01,622 INFO L281 CegarLoopForPetriNet]: 128 programPoint places, -71 predicate places. [2023-11-06 23:03:01,623 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 49 transitions, 132 flow [2023-11-06 23:03:01,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 329.75) internal successors, (1319), 4 states have internal predecessors, (1319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:03:01,624 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:03:01,624 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] [2023-11-06 23:03:01,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 23:03:01,624 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-06 23:03:01,625 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:01,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1211591563, now seen corresponding path program 1 times [2023-11-06 23:03:01,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:01,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453578394] [2023-11-06 23:03:01,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:01,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:02,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:03:02,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:02,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453578394] [2023-11-06 23:03:02,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453578394] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:02,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:02,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:03:02,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211823650] [2023-11-06 23:03:02,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:02,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:03:02,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:02,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:03:02,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:03:02,527 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 815 [2023-11-06 23:03:02,530 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 49 transitions, 132 flow. Second operand has 6 states, 6 states have (on average 314.0) internal successors, (1884), 6 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:03:02,530 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:03:02,530 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 815 [2023-11-06 23:03:02,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:03:03,231 INFO L124 PetriNetUnfolderBase]: 2225/3555 cut-off events. [2023-11-06 23:03:03,231 INFO L125 PetriNetUnfolderBase]: For 969/969 co-relation queries the response was YES. [2023-11-06 23:03:03,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7841 conditions, 3555 events. 2225/3555 cut-off events. For 969/969 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 18149 event pairs, 1677 based on Foata normal form. 0/3181 useless extension candidates. Maximal degree in co-relation 7834. Up to 3009 conditions per place. [2023-11-06 23:03:03,250 INFO L140 encePairwiseOnDemand]: 810/815 looper letters, 0 selfloop transitions, 0 changer transitions 68/68 dead transitions. [2023-11-06 23:03:03,250 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 68 transitions, 288 flow [2023-11-06 23:03:03,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:03:03,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:03:03,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1917 transitions. [2023-11-06 23:03:03,261 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3920245398773006 [2023-11-06 23:03:03,261 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1917 transitions. [2023-11-06 23:03:03,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1917 transitions. [2023-11-06 23:03:03,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:03:03,264 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1917 transitions. [2023-11-06 23:03:03,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 319.5) internal successors, (1917), 6 states have internal predecessors, (1917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:03:03,282 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 815.0) internal successors, (5705), 7 states have internal predecessors, (5705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:03:03,284 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 815.0) internal successors, (5705), 7 states have internal predecessors, (5705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:03:03,285 INFO L175 Difference]: Start difference. First operand has 57 places, 49 transitions, 132 flow. Second operand 6 states and 1917 transitions. [2023-11-06 23:03:03,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 68 transitions, 288 flow [2023-11-06 23:03:03,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 68 transitions, 285 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 23:03:03,292 INFO L231 Difference]: Finished difference. Result has 60 places, 0 transitions, 0 flow [2023-11-06 23:03:03,292 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=815, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=60, PETRI_TRANSITIONS=0} [2023-11-06 23:03:03,295 INFO L281 CegarLoopForPetriNet]: 128 programPoint places, -68 predicate places. [2023-11-06 23:03:03,296 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 0 transitions, 0 flow [2023-11-06 23:03:03,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 314.0) internal successors, (1884), 6 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:03:03,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (124 of 125 remaining) [2023-11-06 23:03:03,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (123 of 125 remaining) [2023-11-06 23:03:03,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (122 of 125 remaining) [2023-11-06 23:03:03,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (121 of 125 remaining) [2023-11-06 23:03:03,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (120 of 125 remaining) [2023-11-06 23:03:03,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (119 of 125 remaining) [2023-11-06 23:03:03,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (118 of 125 remaining) [2023-11-06 23:03:03,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (117 of 125 remaining) [2023-11-06 23:03:03,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (116 of 125 remaining) [2023-11-06 23:03:03,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (115 of 125 remaining) [2023-11-06 23:03:03,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (114 of 125 remaining) [2023-11-06 23:03:03,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (113 of 125 remaining) [2023-11-06 23:03:03,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (112 of 125 remaining) [2023-11-06 23:03:03,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (111 of 125 remaining) [2023-11-06 23:03:03,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (110 of 125 remaining) [2023-11-06 23:03:03,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (109 of 125 remaining) [2023-11-06 23:03:03,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (108 of 125 remaining) [2023-11-06 23:03:03,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (107 of 125 remaining) [2023-11-06 23:03:03,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (106 of 125 remaining) [2023-11-06 23:03:03,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (105 of 125 remaining) [2023-11-06 23:03:03,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (104 of 125 remaining) [2023-11-06 23:03:03,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (103 of 125 remaining) [2023-11-06 23:03:03,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (102 of 125 remaining) [2023-11-06 23:03:03,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (101 of 125 remaining) [2023-11-06 23:03:03,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (100 of 125 remaining) [2023-11-06 23:03:03,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (99 of 125 remaining) [2023-11-06 23:03:03,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (98 of 125 remaining) [2023-11-06 23:03:03,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (97 of 125 remaining) [2023-11-06 23:03:03,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (96 of 125 remaining) [2023-11-06 23:03:03,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (95 of 125 remaining) [2023-11-06 23:03:03,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (94 of 125 remaining) [2023-11-06 23:03:03,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (93 of 125 remaining) [2023-11-06 23:03:03,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (92 of 125 remaining) [2023-11-06 23:03:03,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (91 of 125 remaining) [2023-11-06 23:03:03,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (90 of 125 remaining) [2023-11-06 23:03:03,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (89 of 125 remaining) [2023-11-06 23:03:03,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (88 of 125 remaining) [2023-11-06 23:03:03,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (87 of 125 remaining) [2023-11-06 23:03:03,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (86 of 125 remaining) [2023-11-06 23:03:03,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (85 of 125 remaining) [2023-11-06 23:03:03,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (84 of 125 remaining) [2023-11-06 23:03:03,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (83 of 125 remaining) [2023-11-06 23:03:03,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (82 of 125 remaining) [2023-11-06 23:03:03,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (81 of 125 remaining) [2023-11-06 23:03:03,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (80 of 125 remaining) [2023-11-06 23:03:03,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (79 of 125 remaining) [2023-11-06 23:03:03,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (78 of 125 remaining) [2023-11-06 23:03:03,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (77 of 125 remaining) [2023-11-06 23:03:03,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (76 of 125 remaining) [2023-11-06 23:03:03,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (75 of 125 remaining) [2023-11-06 23:03:03,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (74 of 125 remaining) [2023-11-06 23:03:03,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (73 of 125 remaining) [2023-11-06 23:03:03,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (72 of 125 remaining) [2023-11-06 23:03:03,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (71 of 125 remaining) [2023-11-06 23:03:03,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (70 of 125 remaining) [2023-11-06 23:03:03,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (69 of 125 remaining) [2023-11-06 23:03:03,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (68 of 125 remaining) [2023-11-06 23:03:03,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (67 of 125 remaining) [2023-11-06 23:03:03,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (66 of 125 remaining) [2023-11-06 23:03:03,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (65 of 125 remaining) [2023-11-06 23:03:03,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (64 of 125 remaining) [2023-11-06 23:03:03,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (63 of 125 remaining) [2023-11-06 23:03:03,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (62 of 125 remaining) [2023-11-06 23:03:03,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (61 of 125 remaining) [2023-11-06 23:03:03,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (60 of 125 remaining) [2023-11-06 23:03:03,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (59 of 125 remaining) [2023-11-06 23:03:03,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (58 of 125 remaining) [2023-11-06 23:03:03,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (57 of 125 remaining) [2023-11-06 23:03:03,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (56 of 125 remaining) [2023-11-06 23:03:03,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 125 remaining) [2023-11-06 23:03:03,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (54 of 125 remaining) [2023-11-06 23:03:03,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 125 remaining) [2023-11-06 23:03:03,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 125 remaining) [2023-11-06 23:03:03,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (51 of 125 remaining) [2023-11-06 23:03:03,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (50 of 125 remaining) [2023-11-06 23:03:03,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (49 of 125 remaining) [2023-11-06 23:03:03,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (48 of 125 remaining) [2023-11-06 23:03:03,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (47 of 125 remaining) [2023-11-06 23:03:03,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (46 of 125 remaining) [2023-11-06 23:03:03,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (45 of 125 remaining) [2023-11-06 23:03:03,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (44 of 125 remaining) [2023-11-06 23:03:03,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (43 of 125 remaining) [2023-11-06 23:03:03,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (42 of 125 remaining) [2023-11-06 23:03:03,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (41 of 125 remaining) [2023-11-06 23:03:03,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (40 of 125 remaining) [2023-11-06 23:03:03,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (39 of 125 remaining) [2023-11-06 23:03:03,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (38 of 125 remaining) [2023-11-06 23:03:03,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (37 of 125 remaining) [2023-11-06 23:03:03,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (36 of 125 remaining) [2023-11-06 23:03:03,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (35 of 125 remaining) [2023-11-06 23:03:03,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (34 of 125 remaining) [2023-11-06 23:03:03,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (33 of 125 remaining) [2023-11-06 23:03:03,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (32 of 125 remaining) [2023-11-06 23:03:03,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (31 of 125 remaining) [2023-11-06 23:03:03,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (30 of 125 remaining) [2023-11-06 23:03:03,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (29 of 125 remaining) [2023-11-06 23:03:03,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (28 of 125 remaining) [2023-11-06 23:03:03,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (27 of 125 remaining) [2023-11-06 23:03:03,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (26 of 125 remaining) [2023-11-06 23:03:03,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (25 of 125 remaining) [2023-11-06 23:03:03,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (24 of 125 remaining) [2023-11-06 23:03:03,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (23 of 125 remaining) [2023-11-06 23:03:03,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (22 of 125 remaining) [2023-11-06 23:03:03,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (21 of 125 remaining) [2023-11-06 23:03:03,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (20 of 125 remaining) [2023-11-06 23:03:03,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (19 of 125 remaining) [2023-11-06 23:03:03,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (18 of 125 remaining) [2023-11-06 23:03:03,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (17 of 125 remaining) [2023-11-06 23:03:03,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (16 of 125 remaining) [2023-11-06 23:03:03,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (15 of 125 remaining) [2023-11-06 23:03:03,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (14 of 125 remaining) [2023-11-06 23:03:03,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (13 of 125 remaining) [2023-11-06 23:03:03,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (12 of 125 remaining) [2023-11-06 23:03:03,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (11 of 125 remaining) [2023-11-06 23:03:03,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (10 of 125 remaining) [2023-11-06 23:03:03,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (9 of 125 remaining) [2023-11-06 23:03:03,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (8 of 125 remaining) [2023-11-06 23:03:03,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (7 of 125 remaining) [2023-11-06 23:03:03,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (6 of 125 remaining) [2023-11-06 23:03:03,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (5 of 125 remaining) [2023-11-06 23:03:03,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (4 of 125 remaining) [2023-11-06 23:03:03,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (3 of 125 remaining) [2023-11-06 23:03:03,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (2 of 125 remaining) [2023-11-06 23:03:03,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (1 of 125 remaining) [2023-11-06 23:03:03,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (0 of 125 remaining) [2023-11-06 23:03:03,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 23:03:03,327 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-06 23:03:03,334 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 23:03:03,334 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:03:03,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:03:03 BasicIcfg [2023-11-06 23:03:03,341 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:03:03,342 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:03:03,342 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:03:03,342 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:03:03,343 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:33" (3/4) ... [2023-11-06 23:03:03,345 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 23:03:03,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-06 23:03:03,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-06 23:03:03,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-06 23:03:03,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-11-06 23:03:03,367 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-11-06 23:03:03,368 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 23:03:03,369 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 23:03:03,370 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:03:03,453 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb924ab-3452-4616-95d9-03eda95924fd/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:03:03,454 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb924ab-3452-4616-95d9-03eda95924fd/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 23:03:03,454 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:03:03,454 INFO L158 Benchmark]: Toolchain (without parser) took 33278.82ms. Allocated memory was 140.5MB in the beginning and 423.6MB in the end (delta: 283.1MB). Free memory was 94.4MB in the beginning and 286.4MB in the end (delta: -192.0MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB. [2023-11-06 23:03:03,455 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 140.5MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:03:03,455 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.79ms. Allocated memory is still 140.5MB. Free memory was 94.2MB in the beginning and 80.4MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 23:03:03,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.07ms. Allocated memory is still 140.5MB. Free memory was 80.4MB in the beginning and 76.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:03:03,456 INFO L158 Benchmark]: Boogie Preprocessor took 106.45ms. Allocated memory is still 140.5MB. Free memory was 76.7MB in the beginning and 73.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:03:03,456 INFO L158 Benchmark]: RCFGBuilder took 2230.52ms. Allocated memory was 140.5MB in the beginning and 195.0MB in the end (delta: 54.5MB). Free memory was 73.4MB in the beginning and 113.0MB in the end (delta: -39.6MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2023-11-06 23:03:03,457 INFO L158 Benchmark]: TraceAbstraction took 30257.28ms. Allocated memory was 195.0MB in the beginning and 423.6MB in the end (delta: 228.6MB). Free memory was 113.0MB in the beginning and 292.7MB in the end (delta: -179.7MB). Peak memory consumption was 228.2MB. Max. memory is 16.1GB. [2023-11-06 23:03:03,457 INFO L158 Benchmark]: Witness Printer took 111.88ms. Allocated memory is still 423.6MB. Free memory was 292.7MB in the beginning and 286.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 23:03:03,459 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 140.5MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.79ms. Allocated memory is still 140.5MB. Free memory was 94.2MB in the beginning and 80.4MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 114.07ms. Allocated memory is still 140.5MB. Free memory was 80.4MB in the beginning and 76.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.45ms. Allocated memory is still 140.5MB. Free memory was 76.7MB in the beginning and 73.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2230.52ms. Allocated memory was 140.5MB in the beginning and 195.0MB in the end (delta: 54.5MB). Free memory was 73.4MB in the beginning and 113.0MB in the end (delta: -39.6MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * TraceAbstraction took 30257.28ms. Allocated memory was 195.0MB in the beginning and 423.6MB in the end (delta: 228.6MB). Free memory was 113.0MB in the beginning and 292.7MB in the end (delta: -179.7MB). Peak memory consumption was 228.2MB. Max. memory is 16.1GB. * Witness Printer took 111.88ms. Allocated memory is still 423.6MB. Free memory was 292.7MB in the beginning and 286.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.2s, 376 PlacesBefore, 128 PlacesAfterwards, 380 TransitionsBefore, 120 TransitionsAfterwards, 10944 CoEnabledTransitionPairs, 11 FixpointIterations, 276 TrivialSequentialCompositions, 80 ConcurrentSequentialCompositions, 30 TrivialYvCompositions, 8 ConcurrentYvCompositions, 12 ChoiceCompositions, 406 TotalNumberOfCompositions, 72267 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 25784, independent: 24692, independent conditional: 0, independent unconditional: 24692, dependent: 1092, dependent conditional: 0, dependent unconditional: 1092, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4703, independent: 4592, independent conditional: 0, independent unconditional: 4592, dependent: 111, dependent conditional: 0, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25784, independent: 20100, independent conditional: 0, independent unconditional: 20100, dependent: 981, dependent conditional: 0, dependent unconditional: 981, unknown: 4703, unknown conditional: 0, unknown unconditional: 4703] , Statistics on independence cache: Total cache size (in pairs): 1218, Positive cache size: 1161, Positive conditional cache size: 0, Positive unconditional cache size: 1161, Negative cache size: 57, Negative conditional cache size: 0, Negative unconditional cache size: 57, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 144]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 147]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 482 locations, 125 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: 29.9s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 20.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 536 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 364 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 224 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1229 IncrementalHoareTripleChecker+Invalid, 1453 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 224 mSolverCounterUnsat, 3 mSDtfsCounter, 1229 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=264occurred in iteration=0, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 374 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 72 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 23:03:03,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb924ab-3452-4616-95d9-03eda95924fd/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE