./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/array-eq-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff 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_be6d69a4-18a2-4a3d-ad64-20b20d3b5877/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be6d69a4-18a2-4a3d-ad64-20b20d3b5877/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be6d69a4-18a2-4a3d-ad64-20b20d3b5877/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be6d69a4-18a2-4a3d-ad64-20b20d3b5877/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/array-eq-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be6d69a4-18a2-4a3d-ad64-20b20d3b5877/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be6d69a4-18a2-4a3d-ad64-20b20d3b5877/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6897befed0dbbae24492a1e82d50fcd0be6b3857b241d882a904d02a513d7a6d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:44:02,465 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:44:02,565 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be6d69a4-18a2-4a3d-ad64-20b20d3b5877/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:44:02,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:44:02,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:44:02,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:44:02,596 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:44:02,597 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:44:02,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:44:02,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:44:02,599 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:44:02,600 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:44:02,600 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:44:02,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:44:02,602 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:44:02,602 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:44:02,603 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:44:02,604 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:44:02,604 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:44:02,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:44:02,605 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:44:02,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:44:02,607 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:44:02,607 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:44:02,608 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:44:02,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:44:02,609 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:44:02,610 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:44:02,610 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:44:02,611 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:44:02,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:44:02,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:44:02,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:44:02,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:44:02,613 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:44:02,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:44:02,614 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:44:02,614 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:44:02,615 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:44:02,615 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:44:02,616 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:44:02,616 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_be6d69a4-18a2-4a3d-ad64-20b20d3b5877/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be6d69a4-18a2-4a3d-ad64-20b20d3b5877/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6897befed0dbbae24492a1e82d50fcd0be6b3857b241d882a904d02a513d7a6d [2023-11-19 07:44:02,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:44:02,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:44:02,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:44:02,936 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:44:02,936 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:44:02,938 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be6d69a4-18a2-4a3d-ad64-20b20d3b5877/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/array-eq-symm.wvr.c [2023-11-19 07:44:06,112 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:44:06,348 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:44:06,349 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be6d69a4-18a2-4a3d-ad64-20b20d3b5877/sv-benchmarks/c/weaver/array-eq-symm.wvr.c [2023-11-19 07:44:06,359 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be6d69a4-18a2-4a3d-ad64-20b20d3b5877/bin/uautomizer-verify-uCwYo4JHxu/data/7803d0f75/826769673fbe44139158b8211da8873e/FLAG558630509 [2023-11-19 07:44:06,375 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be6d69a4-18a2-4a3d-ad64-20b20d3b5877/bin/uautomizer-verify-uCwYo4JHxu/data/7803d0f75/826769673fbe44139158b8211da8873e [2023-11-19 07:44:06,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:44:06,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:44:06,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:06,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:44:06,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:44:06,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:06" (1/1) ... [2023-11-19 07:44:06,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7536229d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:06, skipping insertion in model container [2023-11-19 07:44:06,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:06" (1/1) ... [2023-11-19 07:44:06,417 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:44:06,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:44:06,645 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:44:06,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:44:06,691 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:44:06,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:06 WrapperNode [2023-11-19 07:44:06,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:06,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:44:06,693 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:44:06,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:44:06,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:06" (1/1) ... [2023-11-19 07:44:06,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:06" (1/1) ... [2023-11-19 07:44:06,752 INFO L138 Inliner]: procedures = 23, calls = 30, calls flagged for inlining = 8, calls inlined = 10, statements flattened = 167 [2023-11-19 07:44:06,752 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:44:06,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:44:06,753 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:44:06,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:44:06,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:06" (1/1) ... [2023-11-19 07:44:06,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:06" (1/1) ... [2023-11-19 07:44:06,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:06" (1/1) ... [2023-11-19 07:44:06,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:06" (1/1) ... [2023-11-19 07:44:06,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:06" (1/1) ... [2023-11-19 07:44:06,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:06" (1/1) ... [2023-11-19 07:44:06,809 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:06" (1/1) ... [2023-11-19 07:44:06,811 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:06" (1/1) ... [2023-11-19 07:44:06,816 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:44:06,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:44:06,832 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:44:06,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:44:06,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:06" (1/1) ... [2023-11-19 07:44:06,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:44:06,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be6d69a4-18a2-4a3d-ad64-20b20d3b5877/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:06,913 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be6d69a4-18a2-4a3d-ad64-20b20d3b5877/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:06,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be6d69a4-18a2-4a3d-ad64-20b20d3b5877/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:44:06,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:44:06,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 07:44:06,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 07:44:06,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 07:44:06,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 07:44:06,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:44:06,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:44:06,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:44:06,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:44:06,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:44:06,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:44:06,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:44:06,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:44:06,963 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:44:07,115 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:44:07,117 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:44:07,838 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:44:07,862 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:44:07,862 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 07:44:07,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:07 BoogieIcfgContainer [2023-11-19 07:44:07,886 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:44:07,892 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:44:07,892 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:44:07,895 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:44:07,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:44:06" (1/3) ... [2023-11-19 07:44:07,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de8bd11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:07, skipping insertion in model container [2023-11-19 07:44:07,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:06" (2/3) ... [2023-11-19 07:44:07,898 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de8bd11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:07, skipping insertion in model container [2023-11-19 07:44:07,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:07" (3/3) ... [2023-11-19 07:44:07,899 INFO L112 eAbstractionObserver]: Analyzing ICFG array-eq-symm.wvr.c [2023-11-19 07:44:07,909 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:44:07,919 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:44:07,919 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-11-19 07:44:07,920 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:44:08,021 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 07:44:08,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 330 places, 340 transitions, 694 flow [2023-11-19 07:44:08,285 INFO L124 PetriNetUnfolderBase]: 17/338 cut-off events. [2023-11-19 07:44:08,285 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:44:08,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 347 conditions, 338 events. 17/338 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 584 event pairs, 0 based on Foata normal form. 0/285 useless extension candidates. Maximal degree in co-relation 226. Up to 3 conditions per place. [2023-11-19 07:44:08,299 INFO L82 GeneralOperation]: Start removeDead. Operand has 330 places, 340 transitions, 694 flow [2023-11-19 07:44:08,315 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 308 places, 317 transitions, 646 flow [2023-11-19 07:44:08,321 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:44:08,343 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 308 places, 317 transitions, 646 flow [2023-11-19 07:44:08,348 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 308 places, 317 transitions, 646 flow [2023-11-19 07:44:08,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 308 places, 317 transitions, 646 flow [2023-11-19 07:44:08,444 INFO L124 PetriNetUnfolderBase]: 16/317 cut-off events. [2023-11-19 07:44:08,444 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:44:08,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 317 events. 16/317 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 533 event pairs, 0 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 226. Up to 3 conditions per place. [2023-11-19 07:44:08,463 INFO L119 LiptonReduction]: Number of co-enabled transitions 13400 [2023-11-19 07:44:17,561 INFO L134 LiptonReduction]: Checked pairs total: 63104 [2023-11-19 07:44:17,561 INFO L136 LiptonReduction]: Total number of compositions: 303 [2023-11-19 07:44:17,578 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:44:17,584 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3a6f89ea, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:44:17,585 INFO L358 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2023-11-19 07:44:17,586 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:44:17,587 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-19 07:44:17,587 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:44:17,587 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:44:17,588 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-19 07:44:17,588 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-19 07:44:17,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:17,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1210, now seen corresponding path program 1 times [2023-11-19 07:44:17,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:17,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177586377] [2023-11-19 07:44:17,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:17,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:17,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:17,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:17,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177586377] [2023-11-19 07:44:17,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177586377] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:17,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:17,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 07:44:17,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715519347] [2023-11-19 07:44:17,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:17,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:44:17,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:17,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:44:17,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:44:17,750 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 643 [2023-11-19 07:44:17,755 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 104 transitions, 220 flow. Second operand has 2 states, 2 states have (on average 326.5) internal successors, (653), 2 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:17,755 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:44:17,755 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 643 [2023-11-19 07:44:17,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:44:18,040 INFO L124 PetriNetUnfolderBase]: 461/1253 cut-off events. [2023-11-19 07:44:18,041 INFO L125 PetriNetUnfolderBase]: For 44/75 co-relation queries the response was YES. [2023-11-19 07:44:18,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2015 conditions, 1253 events. 461/1253 cut-off events. For 44/75 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 7876 event pairs, 321 based on Foata normal form. 80/1134 useless extension candidates. Maximal degree in co-relation 1824. Up to 725 conditions per place. [2023-11-19 07:44:18,054 INFO L140 encePairwiseOnDemand]: 619/643 looper letters, 34 selfloop transitions, 0 changer transitions 1/80 dead transitions. [2023-11-19 07:44:18,055 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 80 transitions, 242 flow [2023-11-19 07:44:18,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:44:18,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 07:44:18,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 711 transitions. [2023-11-19 07:44:18,079 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5528771384136858 [2023-11-19 07:44:18,080 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 711 transitions. [2023-11-19 07:44:18,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 711 transitions. [2023-11-19 07:44:18,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:18,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 711 transitions. [2023-11-19 07:44:18,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 355.5) internal successors, (711), 2 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:18,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 643.0) internal successors, (1929), 3 states have internal predecessors, (1929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:18,100 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 643.0) internal successors, (1929), 3 states have internal predecessors, (1929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:18,102 INFO L175 Difference]: Start difference. First operand has 101 places, 104 transitions, 220 flow. Second operand 2 states and 711 transitions. [2023-11-19 07:44:18,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 80 transitions, 242 flow [2023-11-19 07:44:18,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 80 transitions, 234 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:44:18,110 INFO L231 Difference]: Finished difference. Result has 76 places, 79 transitions, 161 flow [2023-11-19 07:44:18,112 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=161, PETRI_PLACES=76, PETRI_TRANSITIONS=79} [2023-11-19 07:44:18,117 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -25 predicate places. [2023-11-19 07:44:18,117 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 79 transitions, 161 flow [2023-11-19 07:44:18,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 326.5) internal successors, (653), 2 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:18,118 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:44:18,119 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:18,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:44:18,119 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-19 07:44:18,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:18,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1528805203, now seen corresponding path program 1 times [2023-11-19 07:44:18,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:18,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249049345] [2023-11-19 07:44:18,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:18,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:18,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:18,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:18,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249049345] [2023-11-19 07:44:18,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249049345] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:18,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:18,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:44:18,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670367119] [2023-11-19 07:44:18,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:18,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:44:18,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:18,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:44:18,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:44:18,294 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 643 [2023-11-19 07:44:18,296 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 79 transitions, 161 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:18,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:44:18,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 643 [2023-11-19 07:44:18,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:44:18,549 INFO L124 PetriNetUnfolderBase]: 497/1298 cut-off events. [2023-11-19 07:44:18,550 INFO L125 PetriNetUnfolderBase]: For 12/47 co-relation queries the response was YES. [2023-11-19 07:44:18,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2093 conditions, 1298 events. 497/1298 cut-off events. For 12/47 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 7996 event pairs, 351 based on Foata normal form. 0/1091 useless extension candidates. Maximal degree in co-relation 2090. Up to 781 conditions per place. [2023-11-19 07:44:18,563 INFO L140 encePairwiseOnDemand]: 640/643 looper letters, 34 selfloop transitions, 1 changer transitions 0/77 dead transitions. [2023-11-19 07:44:18,563 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 77 transitions, 227 flow [2023-11-19 07:44:18,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:44:18,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:44:18,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 985 transitions. [2023-11-19 07:44:18,571 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5106272680145153 [2023-11-19 07:44:18,571 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 985 transitions. [2023-11-19 07:44:18,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 985 transitions. [2023-11-19 07:44:18,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:18,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 985 transitions. [2023-11-19 07:44:18,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:18,584 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:18,586 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:18,587 INFO L175 Difference]: Start difference. First operand has 76 places, 79 transitions, 161 flow. Second operand 3 states and 985 transitions. [2023-11-19 07:44:18,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 77 transitions, 227 flow [2023-11-19 07:44:18,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 77 transitions, 227 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:44:18,594 INFO L231 Difference]: Finished difference. Result has 75 places, 77 transitions, 159 flow [2023-11-19 07:44:18,595 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=159, PETRI_PLACES=75, PETRI_TRANSITIONS=77} [2023-11-19 07:44:18,597 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -26 predicate places. [2023-11-19 07:44:18,597 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 77 transitions, 159 flow [2023-11-19 07:44:18,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:18,599 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:44:18,600 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:18,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:44:18,607 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-19 07:44:18,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:18,609 INFO L85 PathProgramCache]: Analyzing trace with hash 617132239, now seen corresponding path program 1 times [2023-11-19 07:44:18,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:18,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350707974] [2023-11-19 07:44:18,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:18,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:18,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:18,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:18,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350707974] [2023-11-19 07:44:18,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350707974] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:18,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:18,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:44:18,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74983302] [2023-11-19 07:44:18,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:18,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:44:18,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:18,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:44:18,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:44:18,747 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 643 [2023-11-19 07:44:18,749 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 77 transitions, 159 flow. Second operand has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:18,749 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:44:18,749 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 643 [2023-11-19 07:44:18,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:44:18,947 INFO L124 PetriNetUnfolderBase]: 500/1313 cut-off events. [2023-11-19 07:44:18,947 INFO L125 PetriNetUnfolderBase]: For 11/48 co-relation queries the response was YES. [2023-11-19 07:44:18,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2116 conditions, 1313 events. 500/1313 cut-off events. For 11/48 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 8176 event pairs, 354 based on Foata normal form. 0/1106 useless extension candidates. Maximal degree in co-relation 2112. Up to 784 conditions per place. [2023-11-19 07:44:18,958 INFO L140 encePairwiseOnDemand]: 640/643 looper letters, 34 selfloop transitions, 1 changer transitions 0/75 dead transitions. [2023-11-19 07:44:18,959 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 75 transitions, 225 flow [2023-11-19 07:44:18,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:44:18,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:44:18,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 985 transitions. [2023-11-19 07:44:18,963 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5106272680145153 [2023-11-19 07:44:18,963 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 985 transitions. [2023-11-19 07:44:18,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 985 transitions. [2023-11-19 07:44:18,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:18,965 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 985 transitions. [2023-11-19 07:44:18,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:18,973 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:18,975 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:18,976 INFO L175 Difference]: Start difference. First operand has 75 places, 77 transitions, 159 flow. Second operand 3 states and 985 transitions. [2023-11-19 07:44:18,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 75 transitions, 225 flow [2023-11-19 07:44:18,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 75 transitions, 224 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:44:18,978 INFO L231 Difference]: Finished difference. Result has 74 places, 75 transitions, 156 flow [2023-11-19 07:44:18,979 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=156, PETRI_PLACES=74, PETRI_TRANSITIONS=75} [2023-11-19 07:44:18,980 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -27 predicate places. [2023-11-19 07:44:18,980 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 75 transitions, 156 flow [2023-11-19 07:44:18,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:18,982 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:44:18,982 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:18,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:44:18,982 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-19 07:44:18,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:18,983 INFO L85 PathProgramCache]: Analyzing trace with hash 303317359, now seen corresponding path program 1 times [2023-11-19 07:44:18,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:18,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605337640] [2023-11-19 07:44:18,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:18,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:19,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:19,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:19,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605337640] [2023-11-19 07:44:19,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605337640] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:19,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:19,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:44:19,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368344058] [2023-11-19 07:44:19,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:19,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:44:19,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:19,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:44:19,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:44:19,049 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 643 [2023-11-19 07:44:19,051 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 75 transitions, 156 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:19,051 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:44:19,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 643 [2023-11-19 07:44:19,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:44:19,293 INFO L124 PetriNetUnfolderBase]: 500/1351 cut-off events. [2023-11-19 07:44:19,293 INFO L125 PetriNetUnfolderBase]: For 11/38 co-relation queries the response was YES. [2023-11-19 07:44:19,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2155 conditions, 1351 events. 500/1351 cut-off events. For 11/38 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 8575 event pairs, 321 based on Foata normal form. 2/1149 useless extension candidates. Maximal degree in co-relation 2151. Up to 725 conditions per place. [2023-11-19 07:44:19,305 INFO L140 encePairwiseOnDemand]: 640/643 looper letters, 48 selfloop transitions, 2 changer transitions 0/91 dead transitions. [2023-11-19 07:44:19,305 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 91 transitions, 289 flow [2023-11-19 07:44:19,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:44:19,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:44:19,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1005 transitions. [2023-11-19 07:44:19,310 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.52099533437014 [2023-11-19 07:44:19,310 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1005 transitions. [2023-11-19 07:44:19,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1005 transitions. [2023-11-19 07:44:19,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:19,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1005 transitions. [2023-11-19 07:44:19,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 335.0) internal successors, (1005), 3 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:19,320 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:19,322 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:19,322 INFO L175 Difference]: Start difference. First operand has 74 places, 75 transitions, 156 flow. Second operand 3 states and 1005 transitions. [2023-11-19 07:44:19,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 91 transitions, 289 flow [2023-11-19 07:44:19,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 91 transitions, 288 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:44:19,326 INFO L231 Difference]: Finished difference. Result has 76 places, 76 transitions, 167 flow [2023-11-19 07:44:19,326 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=155, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=167, PETRI_PLACES=76, PETRI_TRANSITIONS=76} [2023-11-19 07:44:19,327 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -25 predicate places. [2023-11-19 07:44:19,327 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 76 transitions, 167 flow [2023-11-19 07:44:19,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:19,329 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:44:19,329 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:19,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:44:19,329 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-19 07:44:19,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:19,330 INFO L85 PathProgramCache]: Analyzing trace with hash 358847705, now seen corresponding path program 1 times [2023-11-19 07:44:19,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:19,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810509250] [2023-11-19 07:44:19,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:19,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:19,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:19,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:19,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810509250] [2023-11-19 07:44:19,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810509250] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:19,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:19,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:44:19,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172093876] [2023-11-19 07:44:19,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:19,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:44:19,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:19,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:44:19,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:44:19,395 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 643 [2023-11-19 07:44:19,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 76 transitions, 167 flow. Second operand has 3 states, 3 states have (on average 321.0) internal successors, (963), 3 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:19,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:44:19,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 643 [2023-11-19 07:44:19,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:44:19,634 INFO L124 PetriNetUnfolderBase]: 539/1404 cut-off events. [2023-11-19 07:44:19,634 INFO L125 PetriNetUnfolderBase]: For 125/149 co-relation queries the response was YES. [2023-11-19 07:44:19,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2401 conditions, 1404 events. 539/1404 cut-off events. For 125/149 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 8747 event pairs, 354 based on Foata normal form. 0/1220 useless extension candidates. Maximal degree in co-relation 2396. Up to 787 conditions per place. [2023-11-19 07:44:19,648 INFO L140 encePairwiseOnDemand]: 640/643 looper letters, 49 selfloop transitions, 2 changer transitions 0/92 dead transitions. [2023-11-19 07:44:19,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 92 transitions, 312 flow [2023-11-19 07:44:19,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:44:19,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:44:19,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1004 transitions. [2023-11-19 07:44:19,653 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5204769310523587 [2023-11-19 07:44:19,653 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1004 transitions. [2023-11-19 07:44:19,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1004 transitions. [2023-11-19 07:44:19,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:19,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1004 transitions. [2023-11-19 07:44:19,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 334.6666666666667) internal successors, (1004), 3 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:19,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:19,665 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:19,666 INFO L175 Difference]: Start difference. First operand has 76 places, 76 transitions, 167 flow. Second operand 3 states and 1004 transitions. [2023-11-19 07:44:19,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 92 transitions, 312 flow [2023-11-19 07:44:19,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 92 transitions, 308 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:44:19,669 INFO L231 Difference]: Finished difference. Result has 78 places, 77 transitions, 177 flow [2023-11-19 07:44:19,670 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=177, PETRI_PLACES=78, PETRI_TRANSITIONS=77} [2023-11-19 07:44:19,671 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -23 predicate places. [2023-11-19 07:44:19,671 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 77 transitions, 177 flow [2023-11-19 07:44:19,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 321.0) internal successors, (963), 3 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:19,672 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:44:19,672 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:19,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:44:19,673 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-19 07:44:19,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:19,674 INFO L85 PathProgramCache]: Analyzing trace with hash 591118568, now seen corresponding path program 1 times [2023-11-19 07:44:19,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:19,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558719395] [2023-11-19 07:44:19,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:19,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:20,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:20,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:20,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558719395] [2023-11-19 07:44:20,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558719395] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:20,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:20,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:44:20,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435300255] [2023-11-19 07:44:20,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:20,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:44:20,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:20,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:44:20,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:44:20,694 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 643 [2023-11-19 07:44:20,697 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 77 transitions, 177 flow. Second operand has 6 states, 6 states have (on average 309.8333333333333) internal successors, (1859), 6 states have internal predecessors, (1859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:20,697 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:44:20,697 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 643 [2023-11-19 07:44:20,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:44:21,353 INFO L124 PetriNetUnfolderBase]: 1779/3032 cut-off events. [2023-11-19 07:44:21,354 INFO L125 PetriNetUnfolderBase]: For 538/538 co-relation queries the response was YES. [2023-11-19 07:44:21,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6304 conditions, 3032 events. 1779/3032 cut-off events. For 538/538 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 17250 event pairs, 165 based on Foata normal form. 0/2677 useless extension candidates. Maximal degree in co-relation 6298. Up to 936 conditions per place. [2023-11-19 07:44:21,382 INFO L140 encePairwiseOnDemand]: 638/643 looper letters, 136 selfloop transitions, 4 changer transitions 0/176 dead transitions. [2023-11-19 07:44:21,382 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 176 transitions, 727 flow [2023-11-19 07:44:21,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:44:21,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:44:21,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1979 transitions. [2023-11-19 07:44:21,390 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5129600829445309 [2023-11-19 07:44:21,390 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1979 transitions. [2023-11-19 07:44:21,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1979 transitions. [2023-11-19 07:44:21,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:21,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1979 transitions. [2023-11-19 07:44:21,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 329.8333333333333) internal successors, (1979), 6 states have internal predecessors, (1979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:21,409 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 643.0) internal successors, (4501), 7 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:21,412 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 643.0) internal successors, (4501), 7 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:21,413 INFO L175 Difference]: Start difference. First operand has 78 places, 77 transitions, 177 flow. Second operand 6 states and 1979 transitions. [2023-11-19 07:44:21,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 176 transitions, 727 flow [2023-11-19 07:44:21,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 176 transitions, 717 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:44:21,418 INFO L231 Difference]: Finished difference. Result has 81 places, 76 transitions, 181 flow [2023-11-19 07:44:21,418 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=173, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=181, PETRI_PLACES=81, PETRI_TRANSITIONS=76} [2023-11-19 07:44:21,419 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -20 predicate places. [2023-11-19 07:44:21,419 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 76 transitions, 181 flow [2023-11-19 07:44:21,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 309.8333333333333) internal successors, (1859), 6 states have internal predecessors, (1859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:21,421 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:44:21,421 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:21,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:44:21,421 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-19 07:44:21,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:21,422 INFO L85 PathProgramCache]: Analyzing trace with hash -551321785, now seen corresponding path program 1 times [2023-11-19 07:44:21,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:21,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365757604] [2023-11-19 07:44:21,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:21,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:21,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:21,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:21,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365757604] [2023-11-19 07:44:21,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365757604] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:21,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:21,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:44:21,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459613910] [2023-11-19 07:44:21,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:21,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:44:21,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:21,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:44:21,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:44:21,470 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 643 [2023-11-19 07:44:21,471 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 76 transitions, 181 flow. Second operand has 3 states, 3 states have (on average 322.0) internal successors, (966), 3 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:21,471 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:44:21,471 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 643 [2023-11-19 07:44:21,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:44:21,748 INFO L124 PetriNetUnfolderBase]: 805/1965 cut-off events. [2023-11-19 07:44:21,748 INFO L125 PetriNetUnfolderBase]: For 383/407 co-relation queries the response was YES. [2023-11-19 07:44:21,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3818 conditions, 1965 events. 805/1965 cut-off events. For 383/407 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 12418 event pairs, 191 based on Foata normal form. 2/1750 useless extension candidates. Maximal degree in co-relation 3812. Up to 940 conditions per place. [2023-11-19 07:44:21,811 INFO L140 encePairwiseOnDemand]: 639/643 looper letters, 57 selfloop transitions, 2 changer transitions 0/96 dead transitions. [2023-11-19 07:44:21,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 96 transitions, 359 flow [2023-11-19 07:44:21,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:44:21,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:44:21,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1014 transitions. [2023-11-19 07:44:21,816 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5256609642301711 [2023-11-19 07:44:21,817 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1014 transitions. [2023-11-19 07:44:21,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1014 transitions. [2023-11-19 07:44:21,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:21,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1014 transitions. [2023-11-19 07:44:21,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 338.0) internal successors, (1014), 3 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:21,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:21,827 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:21,827 INFO L175 Difference]: Start difference. First operand has 81 places, 76 transitions, 181 flow. Second operand 3 states and 1014 transitions. [2023-11-19 07:44:21,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 96 transitions, 359 flow [2023-11-19 07:44:21,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 96 transitions, 350 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:44:21,832 INFO L231 Difference]: Finished difference. Result has 78 places, 76 transitions, 186 flow [2023-11-19 07:44:21,832 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=78, PETRI_TRANSITIONS=76} [2023-11-19 07:44:21,833 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -23 predicate places. [2023-11-19 07:44:21,833 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 76 transitions, 186 flow [2023-11-19 07:44:21,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.0) internal successors, (966), 3 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:21,834 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:44:21,834 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:21,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:44:21,834 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-19 07:44:21,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:21,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1285691982, now seen corresponding path program 1 times [2023-11-19 07:44:21,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:21,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162221942] [2023-11-19 07:44:21,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:21,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:21,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:21,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:21,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162221942] [2023-11-19 07:44:21,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162221942] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:21,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:21,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:44:21,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814668895] [2023-11-19 07:44:21,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:21,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:44:21,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:21,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:44:21,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:44:21,881 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 643 [2023-11-19 07:44:21,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 76 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:21,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:44:21,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 643 [2023-11-19 07:44:21,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:44:22,171 INFO L124 PetriNetUnfolderBase]: 854/1991 cut-off events. [2023-11-19 07:44:22,172 INFO L125 PetriNetUnfolderBase]: For 312/336 co-relation queries the response was YES. [2023-11-19 07:44:22,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3842 conditions, 1991 events. 854/1991 cut-off events. For 312/336 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 12165 event pairs, 189 based on Foata normal form. 0/1817 useless extension candidates. Maximal degree in co-relation 3836. Up to 1043 conditions per place. [2023-11-19 07:44:22,192 INFO L140 encePairwiseOnDemand]: 639/643 looper letters, 57 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2023-11-19 07:44:22,192 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 95 transitions, 363 flow [2023-11-19 07:44:22,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:44:22,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:44:22,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1013 transitions. [2023-11-19 07:44:22,197 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5251425609123899 [2023-11-19 07:44:22,197 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1013 transitions. [2023-11-19 07:44:22,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1013 transitions. [2023-11-19 07:44:22,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:22,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1013 transitions. [2023-11-19 07:44:22,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 337.6666666666667) internal successors, (1013), 3 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:22,206 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:22,207 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:22,207 INFO L175 Difference]: Start difference. First operand has 78 places, 76 transitions, 186 flow. Second operand 3 states and 1013 transitions. [2023-11-19 07:44:22,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 95 transitions, 363 flow [2023-11-19 07:44:22,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 95 transitions, 363 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:44:22,212 INFO L231 Difference]: Finished difference. Result has 79 places, 76 transitions, 198 flow [2023-11-19 07:44:22,212 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=198, PETRI_PLACES=79, PETRI_TRANSITIONS=76} [2023-11-19 07:44:22,213 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -22 predicate places. [2023-11-19 07:44:22,213 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 76 transitions, 198 flow [2023-11-19 07:44:22,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:22,214 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:44:22,214 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:22,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:44:22,215 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-19 07:44:22,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:22,215 INFO L85 PathProgramCache]: Analyzing trace with hash -275226385, now seen corresponding path program 1 times [2023-11-19 07:44:22,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:22,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244827769] [2023-11-19 07:44:22,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:22,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:22,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:22,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:22,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244827769] [2023-11-19 07:44:22,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244827769] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:22,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:22,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:44:22,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743700170] [2023-11-19 07:44:22,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:22,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:44:22,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:22,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:44:22,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:44:22,508 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 643 [2023-11-19 07:44:22,510 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 76 transitions, 198 flow. Second operand has 4 states, 4 states have (on average 313.25) internal successors, (1253), 4 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:22,510 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:44:22,510 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 643 [2023-11-19 07:44:22,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:44:22,972 INFO L124 PetriNetUnfolderBase]: 1094/2693 cut-off events. [2023-11-19 07:44:22,972 INFO L125 PetriNetUnfolderBase]: For 523/541 co-relation queries the response was YES. [2023-11-19 07:44:22,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5286 conditions, 2693 events. 1094/2693 cut-off events. For 523/541 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 18408 event pairs, 799 based on Foata normal form. 42/2556 useless extension candidates. Maximal degree in co-relation 5279. Up to 1278 conditions per place. [2023-11-19 07:44:23,003 INFO L140 encePairwiseOnDemand]: 639/643 looper letters, 62 selfloop transitions, 3 changer transitions 0/103 dead transitions. [2023-11-19 07:44:23,003 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 103 transitions, 405 flow [2023-11-19 07:44:23,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:44:23,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-19 07:44:23,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1304 transitions. [2023-11-19 07:44:23,009 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5069984447900466 [2023-11-19 07:44:23,009 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1304 transitions. [2023-11-19 07:44:23,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1304 transitions. [2023-11-19 07:44:23,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:23,011 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1304 transitions. [2023-11-19 07:44:23,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 326.0) internal successors, (1304), 4 states have internal predecessors, (1304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:23,020 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 643.0) internal successors, (3215), 5 states have internal predecessors, (3215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:23,022 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 643.0) internal successors, (3215), 5 states have internal predecessors, (3215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:23,022 INFO L175 Difference]: Start difference. First operand has 79 places, 76 transitions, 198 flow. Second operand 4 states and 1304 transitions. [2023-11-19 07:44:23,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 103 transitions, 405 flow [2023-11-19 07:44:23,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 103 transitions, 405 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:44:23,027 INFO L231 Difference]: Finished difference. Result has 84 places, 78 transitions, 219 flow [2023-11-19 07:44:23,028 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=219, PETRI_PLACES=84, PETRI_TRANSITIONS=78} [2023-11-19 07:44:23,028 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -17 predicate places. [2023-11-19 07:44:23,029 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 78 transitions, 219 flow [2023-11-19 07:44:23,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 313.25) internal successors, (1253), 4 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:23,030 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:44:23,030 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:23,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 07:44:23,030 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-19 07:44:23,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:23,031 INFO L85 PathProgramCache]: Analyzing trace with hash -998337361, now seen corresponding path program 1 times [2023-11-19 07:44:23,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:23,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092504112] [2023-11-19 07:44:23,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:23,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:23,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:23,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:23,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092504112] [2023-11-19 07:44:23,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092504112] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:23,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:23,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:44:23,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972002228] [2023-11-19 07:44:23,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:23,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:44:23,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:23,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:44:23,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:44:23,460 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 643 [2023-11-19 07:44:23,463 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 78 transitions, 219 flow. Second operand has 5 states, 5 states have (on average 305.4) internal successors, (1527), 5 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:23,463 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:44:23,463 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 643 [2023-11-19 07:44:23,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:44:23,863 INFO L124 PetriNetUnfolderBase]: 896/2134 cut-off events. [2023-11-19 07:44:23,863 INFO L125 PetriNetUnfolderBase]: For 468/490 co-relation queries the response was YES. [2023-11-19 07:44:23,874 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4286 conditions, 2134 events. 896/2134 cut-off events. For 468/490 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 13462 event pairs, 552 based on Foata normal form. 14/2012 useless extension candidates. Maximal degree in co-relation 4276. Up to 1169 conditions per place. [2023-11-19 07:44:23,884 INFO L140 encePairwiseOnDemand]: 636/643 looper letters, 70 selfloop transitions, 9 changer transitions 0/117 dead transitions. [2023-11-19 07:44:23,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 117 transitions, 491 flow [2023-11-19 07:44:23,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:44:23,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:44:23,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1892 transitions. [2023-11-19 07:44:23,893 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4904095386210472 [2023-11-19 07:44:23,893 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1892 transitions. [2023-11-19 07:44:23,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1892 transitions. [2023-11-19 07:44:23,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:23,895 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1892 transitions. [2023-11-19 07:44:23,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 315.3333333333333) internal successors, (1892), 6 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:23,908 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 643.0) internal successors, (4501), 7 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:23,910 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 643.0) internal successors, (4501), 7 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:23,910 INFO L175 Difference]: Start difference. First operand has 84 places, 78 transitions, 219 flow. Second operand 6 states and 1892 transitions. [2023-11-19 07:44:23,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 117 transitions, 491 flow [2023-11-19 07:44:23,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 117 transitions, 487 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-19 07:44:23,916 INFO L231 Difference]: Finished difference. Result has 90 places, 82 transitions, 262 flow [2023-11-19 07:44:23,917 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=262, PETRI_PLACES=90, PETRI_TRANSITIONS=82} [2023-11-19 07:44:23,919 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -11 predicate places. [2023-11-19 07:44:23,919 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 82 transitions, 262 flow [2023-11-19 07:44:23,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 305.4) internal successors, (1527), 5 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:23,920 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:44:23,920 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:23,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-19 07:44:23,920 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-19 07:44:23,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:23,921 INFO L85 PathProgramCache]: Analyzing trace with hash -394078450, now seen corresponding path program 1 times [2023-11-19 07:44:23,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:23,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297955249] [2023-11-19 07:44:23,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:23,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:24,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:44:24,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:24,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297955249] [2023-11-19 07:44:24,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297955249] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:24,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:24,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:44:24,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178299715] [2023-11-19 07:44:24,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:24,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:44:24,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:24,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:44:24,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:44:24,389 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 643 [2023-11-19 07:44:24,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 82 transitions, 262 flow. Second operand has 6 states, 6 states have (on average 303.6666666666667) internal successors, (1822), 6 states have internal predecessors, (1822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:24,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:44:24,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 643 [2023-11-19 07:44:24,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:44:25,162 INFO L124 PetriNetUnfolderBase]: 1848/4369 cut-off events. [2023-11-19 07:44:25,163 INFO L125 PetriNetUnfolderBase]: For 1628/1672 co-relation queries the response was YES. [2023-11-19 07:44:25,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9314 conditions, 4369 events. 1848/4369 cut-off events. For 1628/1672 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 30634 event pairs, 791 based on Foata normal form. 58/4144 useless extension candidates. Maximal degree in co-relation 9302. Up to 1134 conditions per place. [2023-11-19 07:44:25,207 INFO L140 encePairwiseOnDemand]: 634/643 looper letters, 150 selfloop transitions, 14 changer transitions 0/202 dead transitions. [2023-11-19 07:44:25,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 202 transitions, 1035 flow [2023-11-19 07:44:25,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:44:25,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-19 07:44:25,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2551 transitions. [2023-11-19 07:44:25,218 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49591757387247276 [2023-11-19 07:44:25,218 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 2551 transitions. [2023-11-19 07:44:25,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 2551 transitions. [2023-11-19 07:44:25,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:25,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2551 transitions. [2023-11-19 07:44:25,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 318.875) internal successors, (2551), 8 states have internal predecessors, (2551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:25,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 643.0) internal successors, (5787), 9 states have internal predecessors, (5787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:25,239 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 643.0) internal successors, (5787), 9 states have internal predecessors, (5787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:25,239 INFO L175 Difference]: Start difference. First operand has 90 places, 82 transitions, 262 flow. Second operand 8 states and 2551 transitions. [2023-11-19 07:44:25,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 202 transitions, 1035 flow [2023-11-19 07:44:25,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 202 transitions, 1032 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:44:25,250 INFO L231 Difference]: Finished difference. Result has 100 places, 91 transitions, 349 flow [2023-11-19 07:44:25,250 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=259, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=349, PETRI_PLACES=100, PETRI_TRANSITIONS=91} [2023-11-19 07:44:25,251 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -1 predicate places. [2023-11-19 07:44:25,251 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 91 transitions, 349 flow [2023-11-19 07:44:25,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 303.6666666666667) internal successors, (1822), 6 states have internal predecessors, (1822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:25,252 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:44:25,252 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:25,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-19 07:44:25,253 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-19 07:44:25,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:25,253 INFO L85 PathProgramCache]: Analyzing trace with hash -387784080, now seen corresponding path program 1 times [2023-11-19 07:44:25,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:25,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055301246] [2023-11-19 07:44:25,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:25,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:25,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:44:25,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:25,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055301246] [2023-11-19 07:44:25,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055301246] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:25,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:25,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:44:25,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467850801] [2023-11-19 07:44:25,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:25,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:44:25,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:25,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:44:25,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:44:25,535 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 643 [2023-11-19 07:44:25,536 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 91 transitions, 349 flow. Second operand has 5 states, 5 states have (on average 312.6) internal successors, (1563), 5 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:25,536 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:44:25,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 643 [2023-11-19 07:44:25,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:44:26,368 INFO L124 PetriNetUnfolderBase]: 2131/5184 cut-off events. [2023-11-19 07:44:26,368 INFO L125 PetriNetUnfolderBase]: For 3016/3091 co-relation queries the response was YES. [2023-11-19 07:44:26,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11596 conditions, 5184 events. 2131/5184 cut-off events. For 3016/3091 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 36351 event pairs, 915 based on Foata normal form. 28/4919 useless extension candidates. Maximal degree in co-relation 11579. Up to 1466 conditions per place. [2023-11-19 07:44:26,423 INFO L140 encePairwiseOnDemand]: 636/643 looper letters, 101 selfloop transitions, 8 changer transitions 0/147 dead transitions. [2023-11-19 07:44:26,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 147 transitions, 792 flow [2023-11-19 07:44:26,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:44:26,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-19 07:44:26,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1633 transitions. [2023-11-19 07:44:26,430 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5079315707620529 [2023-11-19 07:44:26,431 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1633 transitions. [2023-11-19 07:44:26,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1633 transitions. [2023-11-19 07:44:26,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:26,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1633 transitions. [2023-11-19 07:44:26,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 326.6) internal successors, (1633), 5 states have internal predecessors, (1633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:26,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 643.0) internal successors, (3858), 6 states have internal predecessors, (3858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:26,445 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 643.0) internal successors, (3858), 6 states have internal predecessors, (3858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:26,445 INFO L175 Difference]: Start difference. First operand has 100 places, 91 transitions, 349 flow. Second operand 5 states and 1633 transitions. [2023-11-19 07:44:26,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 147 transitions, 792 flow [2023-11-19 07:44:26,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 147 transitions, 790 flow, removed 1 selfloop flow, removed 0 redundant places. [2023-11-19 07:44:26,457 INFO L231 Difference]: Finished difference. Result has 106 places, 94 transitions, 397 flow [2023-11-19 07:44:26,458 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=347, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=397, PETRI_PLACES=106, PETRI_TRANSITIONS=94} [2023-11-19 07:44:26,460 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, 5 predicate places. [2023-11-19 07:44:26,460 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 94 transitions, 397 flow [2023-11-19 07:44:26,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 312.6) internal successors, (1563), 5 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:26,461 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:44:26,461 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:26,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-19 07:44:26,461 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-19 07:44:26,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:26,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1131935002, now seen corresponding path program 1 times [2023-11-19 07:44:26,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:26,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048007920] [2023-11-19 07:44:26,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:26,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:26,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 07:44:26,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:26,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048007920] [2023-11-19 07:44:26,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048007920] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:26,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:26,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:44:26,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560452072] [2023-11-19 07:44:26,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:26,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:44:26,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:26,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:44:26,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:44:27,407 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 643 [2023-11-19 07:44:27,410 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 94 transitions, 397 flow. Second operand has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:27,410 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:44:27,410 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 643 [2023-11-19 07:44:27,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:44:28,629 INFO L124 PetriNetUnfolderBase]: 3038/6835 cut-off events. [2023-11-19 07:44:28,630 INFO L125 PetriNetUnfolderBase]: For 4959/5034 co-relation queries the response was YES. [2023-11-19 07:44:28,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15975 conditions, 6835 events. 3038/6835 cut-off events. For 4959/5034 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 47434 event pairs, 1326 based on Foata normal form. 4/6620 useless extension candidates. Maximal degree in co-relation 15955. Up to 2752 conditions per place. [2023-11-19 07:44:28,799 INFO L140 encePairwiseOnDemand]: 637/643 looper letters, 133 selfloop transitions, 6 changer transitions 0/171 dead transitions. [2023-11-19 07:44:28,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 171 transitions, 1002 flow [2023-11-19 07:44:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:44:28,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:44:28,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1950 transitions. [2023-11-19 07:44:28,806 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.505443234836703 [2023-11-19 07:44:28,807 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1950 transitions. [2023-11-19 07:44:28,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1950 transitions. [2023-11-19 07:44:28,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:28,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1950 transitions. [2023-11-19 07:44:28,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:28,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 643.0) internal successors, (4501), 7 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:28,822 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 643.0) internal successors, (4501), 7 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:28,822 INFO L175 Difference]: Start difference. First operand has 106 places, 94 transitions, 397 flow. Second operand 6 states and 1950 transitions. [2023-11-19 07:44:28,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 171 transitions, 1002 flow [2023-11-19 07:44:28,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 171 transitions, 992 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:44:28,836 INFO L231 Difference]: Finished difference. Result has 108 places, 93 transitions, 401 flow [2023-11-19 07:44:28,837 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=389, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=401, PETRI_PLACES=108, PETRI_TRANSITIONS=93} [2023-11-19 07:44:28,838 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, 7 predicate places. [2023-11-19 07:44:28,838 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 93 transitions, 401 flow [2023-11-19 07:44:28,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:28,839 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:44:28,839 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:28,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-19 07:44:28,839 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-19 07:44:28,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:28,840 INFO L85 PathProgramCache]: Analyzing trace with hash -326007324, now seen corresponding path program 1 times [2023-11-19 07:44:28,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:28,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992196280] [2023-11-19 07:44:28,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:28,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:29,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 07:44:29,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:29,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992196280] [2023-11-19 07:44:29,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992196280] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:29,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:29,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:44:29,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546457938] [2023-11-19 07:44:29,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:29,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:44:29,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:29,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:44:29,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:44:29,736 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 643 [2023-11-19 07:44:29,738 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 93 transitions, 401 flow. Second operand has 6 states, 6 states have (on average 311.0) internal successors, (1866), 6 states have internal predecessors, (1866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:29,738 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:44:29,739 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 643 [2023-11-19 07:44:29,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:44:30,989 INFO L124 PetriNetUnfolderBase]: 2917/6609 cut-off events. [2023-11-19 07:44:30,990 INFO L125 PetriNetUnfolderBase]: For 5161/5218 co-relation queries the response was YES. [2023-11-19 07:44:31,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15838 conditions, 6609 events. 2917/6609 cut-off events. For 5161/5218 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 47320 event pairs, 1362 based on Foata normal form. 0/6476 useless extension candidates. Maximal degree in co-relation 15818. Up to 2782 conditions per place. [2023-11-19 07:44:31,067 INFO L140 encePairwiseOnDemand]: 637/643 looper letters, 130 selfloop transitions, 6 changer transitions 0/168 dead transitions. [2023-11-19 07:44:31,067 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 168 transitions, 1019 flow [2023-11-19 07:44:31,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:44:31,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:44:31,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1943 transitions. [2023-11-19 07:44:31,076 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5036288232244687 [2023-11-19 07:44:31,076 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1943 transitions. [2023-11-19 07:44:31,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1943 transitions. [2023-11-19 07:44:31,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:31,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1943 transitions. [2023-11-19 07:44:31,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 323.8333333333333) internal successors, (1943), 6 states have internal predecessors, (1943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:31,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 643.0) internal successors, (4501), 7 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:31,095 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 643.0) internal successors, (4501), 7 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:31,096 INFO L175 Difference]: Start difference. First operand has 108 places, 93 transitions, 401 flow. Second operand 6 states and 1943 transitions. [2023-11-19 07:44:31,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 168 transitions, 1019 flow [2023-11-19 07:44:31,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 168 transitions, 991 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-19 07:44:31,115 INFO L231 Difference]: Finished difference. Result has 107 places, 92 transitions, 399 flow [2023-11-19 07:44:31,115 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=399, PETRI_PLACES=107, PETRI_TRANSITIONS=92} [2023-11-19 07:44:31,116 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, 6 predicate places. [2023-11-19 07:44:31,116 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 92 transitions, 399 flow [2023-11-19 07:44:31,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 311.0) internal successors, (1866), 6 states have internal predecessors, (1866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:31,117 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:44:31,118 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] [2023-11-19 07:44:31,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-19 07:44:31,118 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-19 07:44:31,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:31,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1188211403, now seen corresponding path program 1 times [2023-11-19 07:44:31,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:31,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606837677] [2023-11-19 07:44:31,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:31,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:31,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:31,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:31,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606837677] [2023-11-19 07:44:31,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606837677] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:31,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:31,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:44:31,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354511190] [2023-11-19 07:44:31,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:31,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:44:31,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:31,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:44:31,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:44:31,994 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 643 [2023-11-19 07:44:31,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 92 transitions, 399 flow. Second operand has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:31,997 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:44:31,997 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 643 [2023-11-19 07:44:31,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:44:33,001 INFO L124 PetriNetUnfolderBase]: 2451/5578 cut-off events. [2023-11-19 07:44:33,001 INFO L125 PetriNetUnfolderBase]: For 4813/4882 co-relation queries the response was YES. [2023-11-19 07:44:33,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13873 conditions, 5578 events. 2451/5578 cut-off events. For 4813/4882 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 38746 event pairs, 1675 based on Foata normal form. 2/5498 useless extension candidates. Maximal degree in co-relation 13853. Up to 3403 conditions per place. [2023-11-19 07:44:33,046 INFO L140 encePairwiseOnDemand]: 638/643 looper letters, 89 selfloop transitions, 4 changer transitions 51/175 dead transitions. [2023-11-19 07:44:33,046 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 175 transitions, 1177 flow [2023-11-19 07:44:33,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:44:33,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:44:33,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1935 transitions. [2023-11-19 07:44:33,053 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5015552099533437 [2023-11-19 07:44:33,054 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1935 transitions. [2023-11-19 07:44:33,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1935 transitions. [2023-11-19 07:44:33,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:33,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1935 transitions. [2023-11-19 07:44:33,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 322.5) internal successors, (1935), 6 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:33,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 643.0) internal successors, (4501), 7 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:33,069 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 643.0) internal successors, (4501), 7 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:33,070 INFO L175 Difference]: Start difference. First operand has 107 places, 92 transitions, 399 flow. Second operand 6 states and 1935 transitions. [2023-11-19 07:44:33,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 175 transitions, 1177 flow [2023-11-19 07:44:33,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 175 transitions, 1141 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-19 07:44:33,087 INFO L231 Difference]: Finished difference. Result has 106 places, 80 transitions, 296 flow [2023-11-19 07:44:33,087 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=296, PETRI_PLACES=106, PETRI_TRANSITIONS=80} [2023-11-19 07:44:33,088 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, 5 predicate places. [2023-11-19 07:44:33,088 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 80 transitions, 296 flow [2023-11-19 07:44:33,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:33,089 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:44:33,089 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] [2023-11-19 07:44:33,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-19 07:44:33,089 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-19 07:44:33,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:33,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1790665351, now seen corresponding path program 1 times [2023-11-19 07:44:33,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:33,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561117957] [2023-11-19 07:44:33,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:33,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:33,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 07:44:33,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:33,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561117957] [2023-11-19 07:44:33,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561117957] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:33,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:33,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:44:33,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083395946] [2023-11-19 07:44:33,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:33,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:44:33,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:33,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:44:33,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:44:33,949 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 643 [2023-11-19 07:44:33,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 80 transitions, 296 flow. Second operand has 6 states, 6 states have (on average 311.3333333333333) internal successors, (1868), 6 states have internal predecessors, (1868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:33,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:44:33,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 643 [2023-11-19 07:44:33,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:44:34,872 INFO L124 PetriNetUnfolderBase]: 2384/5016 cut-off events. [2023-11-19 07:44:34,873 INFO L125 PetriNetUnfolderBase]: For 3609/3657 co-relation queries the response was YES. [2023-11-19 07:44:34,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12178 conditions, 5016 events. 2384/5016 cut-off events. For 3609/3657 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 32491 event pairs, 1305 based on Foata normal form. 4/4964 useless extension candidates. Maximal degree in co-relation 12158. Up to 2677 conditions per place. [2023-11-19 07:44:34,923 INFO L140 encePairwiseOnDemand]: 637/643 looper letters, 74 selfloop transitions, 6 changer transitions 44/151 dead transitions. [2023-11-19 07:44:34,924 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 151 transitions, 838 flow [2023-11-19 07:44:34,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:44:34,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:44:34,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1942 transitions. [2023-11-19 07:44:34,931 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5033696215655781 [2023-11-19 07:44:34,931 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1942 transitions. [2023-11-19 07:44:34,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1942 transitions. [2023-11-19 07:44:34,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:34,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1942 transitions. [2023-11-19 07:44:34,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 323.6666666666667) internal successors, (1942), 6 states have internal predecessors, (1942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:34,946 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 643.0) internal successors, (4501), 7 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:34,947 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 643.0) internal successors, (4501), 7 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:34,947 INFO L175 Difference]: Start difference. First operand has 106 places, 80 transitions, 296 flow. Second operand 6 states and 1942 transitions. [2023-11-19 07:44:34,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 151 transitions, 838 flow [2023-11-19 07:44:34,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 151 transitions, 744 flow, removed 25 selfloop flow, removed 13 redundant places. [2023-11-19 07:44:34,961 INFO L231 Difference]: Finished difference. Result has 92 places, 67 transitions, 226 flow [2023-11-19 07:44:34,962 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=226, PETRI_PLACES=92, PETRI_TRANSITIONS=67} [2023-11-19 07:44:34,962 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -9 predicate places. [2023-11-19 07:44:34,962 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 67 transitions, 226 flow [2023-11-19 07:44:34,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 311.3333333333333) internal successors, (1868), 6 states have internal predecessors, (1868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:34,963 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:44:34,963 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] [2023-11-19 07:44:34,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-19 07:44:34,964 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-19 07:44:34,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:34,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1196780170, now seen corresponding path program 1 times [2023-11-19 07:44:34,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:34,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777919877] [2023-11-19 07:44:34,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:34,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:35,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 07:44:35,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:35,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777919877] [2023-11-19 07:44:35,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777919877] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:35,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:35,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:44:35,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808503451] [2023-11-19 07:44:35,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:35,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:44:35,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:35,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:44:35,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:44:35,819 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 643 [2023-11-19 07:44:35,821 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 67 transitions, 226 flow. Second operand has 6 states, 6 states have (on average 311.0) internal successors, (1866), 6 states have internal predecessors, (1866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:35,821 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:44:35,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 643 [2023-11-19 07:44:35,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:44:36,655 INFO L124 PetriNetUnfolderBase]: 1923/4019 cut-off events. [2023-11-19 07:44:36,656 INFO L125 PetriNetUnfolderBase]: For 1104/1116 co-relation queries the response was YES. [2023-11-19 07:44:36,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8887 conditions, 4019 events. 1923/4019 cut-off events. For 1104/1116 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 24232 event pairs, 1113 based on Foata normal form. 106/4099 useless extension candidates. Maximal degree in co-relation 8874. Up to 2139 conditions per place. [2023-11-19 07:44:36,684 INFO L140 encePairwiseOnDemand]: 637/643 looper letters, 0 selfloop transitions, 0 changer transitions 138/138 dead transitions. [2023-11-19 07:44:36,685 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 138 transitions, 706 flow [2023-11-19 07:44:36,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:44:36,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:44:36,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1942 transitions. [2023-11-19 07:44:36,694 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5033696215655781 [2023-11-19 07:44:36,694 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1942 transitions. [2023-11-19 07:44:36,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1942 transitions. [2023-11-19 07:44:36,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:36,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1942 transitions. [2023-11-19 07:44:36,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 323.6666666666667) internal successors, (1942), 6 states have internal predecessors, (1942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:36,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 643.0) internal successors, (4501), 7 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:36,715 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 643.0) internal successors, (4501), 7 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:36,716 INFO L175 Difference]: Start difference. First operand has 92 places, 67 transitions, 226 flow. Second operand 6 states and 1942 transitions. [2023-11-19 07:44:36,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 138 transitions, 706 flow [2023-11-19 07:44:36,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 138 transitions, 664 flow, removed 2 selfloop flow, removed 7 redundant places. [2023-11-19 07:44:36,724 INFO L231 Difference]: Finished difference. Result has 79 places, 0 transitions, 0 flow [2023-11-19 07:44:36,724 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=79, PETRI_TRANSITIONS=0} [2023-11-19 07:44:36,725 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -22 predicate places. [2023-11-19 07:44:36,725 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 0 transitions, 0 flow [2023-11-19 07:44:36,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 311.0) internal successors, (1866), 6 states have internal predecessors, (1866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:36,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (61 of 62 remaining) [2023-11-19 07:44:36,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (60 of 62 remaining) [2023-11-19 07:44:36,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (59 of 62 remaining) [2023-11-19 07:44:36,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (58 of 62 remaining) [2023-11-19 07:44:36,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (57 of 62 remaining) [2023-11-19 07:44:36,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (56 of 62 remaining) [2023-11-19 07:44:36,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (55 of 62 remaining) [2023-11-19 07:44:36,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (54 of 62 remaining) [2023-11-19 07:44:36,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (53 of 62 remaining) [2023-11-19 07:44:36,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (52 of 62 remaining) [2023-11-19 07:44:36,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (51 of 62 remaining) [2023-11-19 07:44:36,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (50 of 62 remaining) [2023-11-19 07:44:36,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (49 of 62 remaining) [2023-11-19 07:44:36,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (48 of 62 remaining) [2023-11-19 07:44:36,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (47 of 62 remaining) [2023-11-19 07:44:36,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (46 of 62 remaining) [2023-11-19 07:44:36,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (45 of 62 remaining) [2023-11-19 07:44:36,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (44 of 62 remaining) [2023-11-19 07:44:36,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (43 of 62 remaining) [2023-11-19 07:44:36,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (42 of 62 remaining) [2023-11-19 07:44:36,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (41 of 62 remaining) [2023-11-19 07:44:36,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (40 of 62 remaining) [2023-11-19 07:44:36,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (39 of 62 remaining) [2023-11-19 07:44:36,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (38 of 62 remaining) [2023-11-19 07:44:36,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 62 remaining) [2023-11-19 07:44:36,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 62 remaining) [2023-11-19 07:44:36,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 62 remaining) [2023-11-19 07:44:36,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 62 remaining) [2023-11-19 07:44:36,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (33 of 62 remaining) [2023-11-19 07:44:36,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 62 remaining) [2023-11-19 07:44:36,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 62 remaining) [2023-11-19 07:44:36,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (30 of 62 remaining) [2023-11-19 07:44:36,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (29 of 62 remaining) [2023-11-19 07:44:36,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 62 remaining) [2023-11-19 07:44:36,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (27 of 62 remaining) [2023-11-19 07:44:36,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (26 of 62 remaining) [2023-11-19 07:44:36,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 62 remaining) [2023-11-19 07:44:36,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 62 remaining) [2023-11-19 07:44:36,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (23 of 62 remaining) [2023-11-19 07:44:36,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 62 remaining) [2023-11-19 07:44:36,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (21 of 62 remaining) [2023-11-19 07:44:36,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (20 of 62 remaining) [2023-11-19 07:44:36,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (19 of 62 remaining) [2023-11-19 07:44:36,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (18 of 62 remaining) [2023-11-19 07:44:36,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (17 of 62 remaining) [2023-11-19 07:44:36,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (16 of 62 remaining) [2023-11-19 07:44:36,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (15 of 62 remaining) [2023-11-19 07:44:36,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (14 of 62 remaining) [2023-11-19 07:44:36,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (13 of 62 remaining) [2023-11-19 07:44:36,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (12 of 62 remaining) [2023-11-19 07:44:36,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 62 remaining) [2023-11-19 07:44:36,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 62 remaining) [2023-11-19 07:44:36,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (9 of 62 remaining) [2023-11-19 07:44:36,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (8 of 62 remaining) [2023-11-19 07:44:36,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (7 of 62 remaining) [2023-11-19 07:44:36,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (6 of 62 remaining) [2023-11-19 07:44:36,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (5 of 62 remaining) [2023-11-19 07:44:36,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (4 of 62 remaining) [2023-11-19 07:44:36,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (3 of 62 remaining) [2023-11-19 07:44:36,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (2 of 62 remaining) [2023-11-19 07:44:36,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (1 of 62 remaining) [2023-11-19 07:44:36,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (0 of 62 remaining) [2023-11-19 07:44:36,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-19 07:44:36,746 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:36,753 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:44:36,753 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:44:36,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:44:36 BasicIcfg [2023-11-19 07:44:36,758 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:44:36,759 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:44:36,759 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:44:36,759 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:44:36,760 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:07" (3/4) ... [2023-11-19 07:44:36,762 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:44:36,766 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-19 07:44:36,766 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-19 07:44:36,776 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-19 07:44:36,777 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:44:36,777 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:44:36,778 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:44:36,919 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be6d69a4-18a2-4a3d-ad64-20b20d3b5877/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:44:36,920 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be6d69a4-18a2-4a3d-ad64-20b20d3b5877/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:44:36,920 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:44:36,921 INFO L158 Benchmark]: Toolchain (without parser) took 30540.90ms. Allocated memory was 167.8MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 125.2MB in the beginning and 871.5MB in the end (delta: -746.3MB). Peak memory consumption was 270.1MB. Max. memory is 16.1GB. [2023-11-19 07:44:36,921 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:44:36,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.64ms. Allocated memory is still 167.8MB. Free memory was 124.9MB in the beginning and 112.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:44:36,922 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.49ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 110.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:44:36,923 INFO L158 Benchmark]: Boogie Preprocessor took 77.53ms. Allocated memory is still 167.8MB. Free memory was 110.4MB in the beginning and 108.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:44:36,923 INFO L158 Benchmark]: RCFGBuilder took 1054.81ms. Allocated memory is still 167.8MB. Free memory was 107.9MB in the beginning and 138.0MB in the end (delta: -30.1MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2023-11-19 07:44:36,924 INFO L158 Benchmark]: TraceAbstraction took 28866.57ms. Allocated memory was 167.8MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 137.4MB in the beginning and 877.8MB in the end (delta: -740.4MB). Peak memory consumption was 441.9MB. Max. memory is 16.1GB. [2023-11-19 07:44:36,924 INFO L158 Benchmark]: Witness Printer took 161.29ms. Allocated memory is still 1.2GB. Free memory was 877.8MB in the beginning and 871.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:44:36,926 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.64ms. Allocated memory is still 167.8MB. Free memory was 124.9MB in the beginning and 112.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.49ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 110.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.53ms. Allocated memory is still 167.8MB. Free memory was 110.4MB in the beginning and 108.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1054.81ms. Allocated memory is still 167.8MB. Free memory was 107.9MB in the beginning and 138.0MB in the end (delta: -30.1MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * TraceAbstraction took 28866.57ms. Allocated memory was 167.8MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 137.4MB in the beginning and 877.8MB in the end (delta: -740.4MB). Peak memory consumption was 441.9MB. Max. memory is 16.1GB. * Witness Printer took 161.29ms. Allocated memory is still 1.2GB. Free memory was 877.8MB in the beginning and 871.5MB 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: 9.2s, 308 PlacesBefore, 101 PlacesAfterwards, 317 TransitionsBefore, 104 TransitionsAfterwards, 13400 CoEnabledTransitionPairs, 7 FixpointIterations, 166 TrivialSequentialCompositions, 101 ConcurrentSequentialCompositions, 20 TrivialYvCompositions, 10 ConcurrentYvCompositions, 6 ChoiceCompositions, 303 TotalNumberOfCompositions, 63104 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 15769, independent: 14775, independent conditional: 0, independent unconditional: 14775, dependent: 994, dependent conditional: 0, dependent unconditional: 994, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7225, independent: 7072, independent conditional: 0, independent unconditional: 7072, dependent: 153, dependent conditional: 0, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 15769, independent: 7703, independent conditional: 0, independent unconditional: 7703, dependent: 841, dependent conditional: 0, dependent unconditional: 841, unknown: 7225, unknown conditional: 0, unknown unconditional: 7225] , Statistics on independence cache: Total cache size (in pairs): 944, Positive cache size: 846, Positive conditional cache size: 0, Positive unconditional cache size: 846, Negative cache size: 98, Negative conditional cache size: 0, Negative unconditional cache size: 98, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 454 locations, 62 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: 28.7s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 15.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2803 SdHoareTripleChecker+Valid, 5.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1818 mSDsluCounter, 470 SdHoareTripleChecker+Invalid, 5.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 387 mSDsCounter, 665 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5300 IncrementalHoareTripleChecker+Invalid, 5965 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 665 mSolverCounterUnsat, 83 mSDtfsCounter, 5300 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=401occurred in iteration=13, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 241 ConstructedInterpolants, 0 QuantifiedInterpolants, 1075 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 10/10 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 07:44:36,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be6d69a4-18a2-4a3d-ad64-20b20d3b5877/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE