./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8a39d3-697a-4d22-b969-03caf5f0b50a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8a39d3-697a-4d22-b969-03caf5f0b50a/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8a39d3-697a-4d22-b969-03caf5f0b50a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8a39d3-697a-4d22-b969-03caf5f0b50a/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8a39d3-697a-4d22-b969-03caf5f0b50a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8a39d3-697a-4d22-b969-03caf5f0b50a/bin/uautomizer-verify-aQ6SnzHsRB --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 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:18:36,842 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:18:36,947 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8a39d3-697a-4d22-b969-03caf5f0b50a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 20:18:36,952 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:18:36,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:18:36,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:18:36,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:18:36,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:18:36,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:18:36,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:18:37,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:18:37,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:18:37,001 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:18:37,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:18:37,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:18:37,001 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:18:37,001 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:18:37,002 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:18:37,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:18:37,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:18:37,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:18:37,003 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:18:37,003 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 20:18:37,003 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:18:37,003 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:18:37,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:18:37,003 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:18:37,003 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:18:37,004 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:18:37,004 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:18:37,004 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:18:37,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:18:37,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:18:37,005 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:18:37,005 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:18:37,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:18:37,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:18:37,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:18:37,006 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:18:37,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:18:37,006 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:18:37,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:18:37,006 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:18:37,006 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:18:37,006 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:18:37,007 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:18:37,007 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_fc8a39d3-697a-4d22-b969-03caf5f0b50a/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9 [2024-11-27 20:18:37,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:18:37,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:18:37,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:18:37,412 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:18:37,414 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:18:37,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8a39d3-697a-4d22-b969-03caf5f0b50a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2024-11-27 20:18:41,066 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8a39d3-697a-4d22-b969-03caf5f0b50a/bin/uautomizer-verify-aQ6SnzHsRB/data/80b299790/9c0a943256ef45548c88d994a37117a7/FLAGf8d480747 [2024-11-27 20:18:41,437 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:18:41,438 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8a39d3-697a-4d22-b969-03caf5f0b50a/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2024-11-27 20:18:41,446 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8a39d3-697a-4d22-b969-03caf5f0b50a/bin/uautomizer-verify-aQ6SnzHsRB/data/80b299790/9c0a943256ef45548c88d994a37117a7/FLAGf8d480747 [2024-11-27 20:18:41,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8a39d3-697a-4d22-b969-03caf5f0b50a/bin/uautomizer-verify-aQ6SnzHsRB/data/80b299790/9c0a943256ef45548c88d994a37117a7 [2024-11-27 20:18:41,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:18:41,469 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:18:41,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:18:41,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:18:41,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:18:41,476 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:18:41" (1/1) ... [2024-11-27 20:18:41,477 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77452d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:41, skipping insertion in model container [2024-11-27 20:18:41,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:18:41" (1/1) ... [2024-11-27 20:18:41,500 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:18:41,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:18:41,707 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:18:41,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:18:41,745 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:18:41,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:41 WrapperNode [2024-11-27 20:18:41,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:18:41,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:18:41,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:18:41,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:18:41,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:41" (1/1) ... [2024-11-27 20:18:41,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:41" (1/1) ... [2024-11-27 20:18:41,795 INFO L138 Inliner]: procedures = 21, calls = 16, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 185 [2024-11-27 20:18:41,796 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:18:41,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:18:41,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:18:41,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:18:41,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:41" (1/1) ... [2024-11-27 20:18:41,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:41" (1/1) ... [2024-11-27 20:18:41,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:41" (1/1) ... [2024-11-27 20:18:41,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:41" (1/1) ... [2024-11-27 20:18:41,820 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:41" (1/1) ... [2024-11-27 20:18:41,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:41" (1/1) ... [2024-11-27 20:18:41,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:41" (1/1) ... [2024-11-27 20:18:41,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:41" (1/1) ... [2024-11-27 20:18:41,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:41" (1/1) ... [2024-11-27 20:18:41,830 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:18:41,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:18:41,832 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:18:41,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:18:41,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:41" (1/1) ... [2024-11-27 20:18:41,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:18:41,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8a39d3-697a-4d22-b969-03caf5f0b50a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:18:41,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8a39d3-697a-4d22-b969-03caf5f0b50a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:18:41,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8a39d3-697a-4d22-b969-03caf5f0b50a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:18:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:18:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-27 20:18:41,935 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-27 20:18:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-27 20:18:41,935 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-27 20:18:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 20:18:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:18:41,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:18:41,937 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 20:18:42,085 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:18:42,089 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:18:42,560 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 20:18:42,560 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:18:42,582 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:18:42,584 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 20:18:42,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:18:42 BoogieIcfgContainer [2024-11-27 20:18:42,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:18:42,590 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:18:42,590 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:18:42,601 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:18:42,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:18:41" (1/3) ... [2024-11-27 20:18:42,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b375dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:18:42, skipping insertion in model container [2024-11-27 20:18:42,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:41" (2/3) ... [2024-11-27 20:18:42,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b375dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:18:42, skipping insertion in model container [2024-11-27 20:18:42,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:18:42" (3/3) ... [2024-11-27 20:18:42,607 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-symm.wvr.c [2024-11-27 20:18:42,632 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:18:42,636 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-simpl-str-symm.wvr.c that has 3 procedures, 242 locations, 1 initial locations, 0 loop locations, and 22 error locations. [2024-11-27 20:18:42,637 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 20:18:42,834 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-27 20:18:42,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 248 places, 255 transitions, 524 flow [2024-11-27 20:18:43,092 INFO L124 PetriNetUnfolderBase]: 14/253 cut-off events. [2024-11-27 20:18:43,097 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-27 20:18:43,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 253 events. 14/253 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 416 event pairs, 0 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 132. Up to 2 conditions per place. [2024-11-27 20:18:43,106 INFO L82 GeneralOperation]: Start removeDead. Operand has 248 places, 255 transitions, 524 flow [2024-11-27 20:18:43,120 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 228 places, 233 transitions, 478 flow [2024-11-27 20:18:43,137 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:18:43,149 INFO L333 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, 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;@5cc9a061, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:18:43,150 INFO L334 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2024-11-27 20:18:43,163 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 20:18:43,163 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-27 20:18:43,163 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:18:43,163 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:18:43,164 INFO L206 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] [2024-11-27 20:18:43,165 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-27 20:18:43,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:18:43,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1849191193, now seen corresponding path program 1 times [2024-11-27 20:18:43,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:18:43,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885800120] [2024-11-27 20:18:43,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:18:43,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:18:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:18:43,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:18:43,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:18:43,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885800120] [2024-11-27 20:18:43,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885800120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:18:43,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:18:43,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:18:43,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004333084] [2024-11-27 20:18:43,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:18:43,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:18:43,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:18:43,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:18:43,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:43,515 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 255 [2024-11-27 20:18:43,524 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 233 transitions, 478 flow. Second operand has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:18:43,526 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:18:43,526 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 255 [2024-11-27 20:18:43,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:18:43,722 INFO L124 PetriNetUnfolderBase]: 17/407 cut-off events. [2024-11-27 20:18:43,722 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-27 20:18:43,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 443 conditions, 407 events. 17/407 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1561 event pairs, 5 based on Foata normal form. 13/355 useless extension candidates. Maximal degree in co-relation 317. Up to 21 conditions per place. [2024-11-27 20:18:43,731 INFO L140 encePairwiseOnDemand]: 246/255 looper letters, 10 selfloop transitions, 2 changer transitions 2/226 dead transitions. [2024-11-27 20:18:43,732 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 226 transitions, 488 flow [2024-11-27 20:18:43,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:18:43,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:18:43,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 718 transitions. [2024-11-27 20:18:43,758 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.938562091503268 [2024-11-27 20:18:43,763 INFO L175 Difference]: Start difference. First operand has 228 places, 233 transitions, 478 flow. Second operand 3 states and 718 transitions. [2024-11-27 20:18:43,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 226 transitions, 488 flow [2024-11-27 20:18:43,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 226 transitions, 480 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-27 20:18:43,781 INFO L231 Difference]: Finished difference. Result has 225 places, 224 transitions, 456 flow [2024-11-27 20:18:43,785 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=456, PETRI_PLACES=225, PETRI_TRANSITIONS=224} [2024-11-27 20:18:43,792 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, -3 predicate places. [2024-11-27 20:18:43,793 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 224 transitions, 456 flow [2024-11-27 20:18:43,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:18:43,794 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:18:43,794 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:18:43,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:18:43,795 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-27 20:18:43,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:18:43,799 INFO L85 PathProgramCache]: Analyzing trace with hash -947320442, now seen corresponding path program 1 times [2024-11-27 20:18:43,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:18:43,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864434800] [2024-11-27 20:18:43,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:18:43,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:18:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:18:43,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:18:43,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:18:43,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864434800] [2024-11-27 20:18:43,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864434800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:18:43,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:18:43,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:18:43,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471710764] [2024-11-27 20:18:43,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:18:43,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:18:43,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:18:43,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:18:43,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:43,979 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 255 [2024-11-27 20:18:43,980 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 224 transitions, 456 flow. Second operand has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:18:43,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:18:43,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 255 [2024-11-27 20:18:43,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:18:44,097 INFO L124 PetriNetUnfolderBase]: 12/329 cut-off events. [2024-11-27 20:18:44,098 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-27 20:18:44,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 355 conditions, 329 events. 12/329 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 943 event pairs, 3 based on Foata normal form. 0/284 useless extension candidates. Maximal degree in co-relation 325. Up to 17 conditions per place. [2024-11-27 20:18:44,103 INFO L140 encePairwiseOnDemand]: 252/255 looper letters, 9 selfloop transitions, 2 changer transitions 0/223 dead transitions. [2024-11-27 20:18:44,103 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 223 transitions, 476 flow [2024-11-27 20:18:44,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:18:44,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:18:44,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 714 transitions. [2024-11-27 20:18:44,109 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9333333333333333 [2024-11-27 20:18:44,110 INFO L175 Difference]: Start difference. First operand has 225 places, 224 transitions, 456 flow. Second operand 3 states and 714 transitions. [2024-11-27 20:18:44,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 223 transitions, 476 flow [2024-11-27 20:18:44,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 223 transitions, 472 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:18:44,118 INFO L231 Difference]: Finished difference. Result has 222 places, 223 transitions, 454 flow [2024-11-27 20:18:44,123 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=222, PETRI_TRANSITIONS=223} [2024-11-27 20:18:44,123 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, -6 predicate places. [2024-11-27 20:18:44,123 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 223 transitions, 454 flow [2024-11-27 20:18:44,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:18:44,124 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:18:44,124 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:18:44,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:18:44,126 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-27 20:18:44,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:18:44,127 INFO L85 PathProgramCache]: Analyzing trace with hash 42739571, now seen corresponding path program 1 times [2024-11-27 20:18:44,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:18:44,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398838590] [2024-11-27 20:18:44,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:18:44,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:18:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:18:44,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:18:44,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:18:44,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398838590] [2024-11-27 20:18:44,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398838590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:18:44,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:18:44,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:18:44,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733694649] [2024-11-27 20:18:44,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:18:44,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:18:44,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:18:44,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:18:44,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:44,270 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 255 [2024-11-27 20:18:44,272 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 223 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:18:44,272 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:18:44,272 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 255 [2024-11-27 20:18:44,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:18:44,348 INFO L124 PetriNetUnfolderBase]: 15/334 cut-off events. [2024-11-27 20:18:44,349 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-27 20:18:44,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 365 conditions, 334 events. 15/334 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1102 event pairs, 5 based on Foata normal form. 0/288 useless extension candidates. Maximal degree in co-relation 327. Up to 21 conditions per place. [2024-11-27 20:18:44,353 INFO L140 encePairwiseOnDemand]: 252/255 looper letters, 10 selfloop transitions, 2 changer transitions 0/222 dead transitions. [2024-11-27 20:18:44,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 222 transitions, 476 flow [2024-11-27 20:18:44,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:18:44,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:18:44,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 712 transitions. [2024-11-27 20:18:44,358 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.930718954248366 [2024-11-27 20:18:44,358 INFO L175 Difference]: Start difference. First operand has 222 places, 223 transitions, 454 flow. Second operand 3 states and 712 transitions. [2024-11-27 20:18:44,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 222 transitions, 476 flow [2024-11-27 20:18:44,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 222 transitions, 472 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:18:44,368 INFO L231 Difference]: Finished difference. Result has 221 places, 222 transitions, 452 flow [2024-11-27 20:18:44,368 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=448, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=452, PETRI_PLACES=221, PETRI_TRANSITIONS=222} [2024-11-27 20:18:44,370 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, -7 predicate places. [2024-11-27 20:18:44,370 INFO L471 AbstractCegarLoop]: Abstraction has has 221 places, 222 transitions, 452 flow [2024-11-27 20:18:44,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:18:44,370 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:18:44,371 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:18:44,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:18:44,372 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-27 20:18:44,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:18:44,373 INFO L85 PathProgramCache]: Analyzing trace with hash 939753265, now seen corresponding path program 1 times [2024-11-27 20:18:44,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:18:44,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859608450] [2024-11-27 20:18:44,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:18:44,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:18:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:18:44,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:18:44,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:18:44,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859608450] [2024-11-27 20:18:44,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859608450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:18:44,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:18:44,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:18:44,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156571218] [2024-11-27 20:18:44,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:18:44,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:18:44,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:18:44,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:18:44,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:44,479 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 255 [2024-11-27 20:18:44,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 222 transitions, 452 flow. Second operand has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:18:44,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:18:44,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 255 [2024-11-27 20:18:44,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:18:44,570 INFO L124 PetriNetUnfolderBase]: 12/330 cut-off events. [2024-11-27 20:18:44,571 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-27 20:18:44,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 330 events. 12/330 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 954 event pairs, 3 based on Foata normal form. 0/286 useless extension candidates. Maximal degree in co-relation 310. Up to 17 conditions per place. [2024-11-27 20:18:44,574 INFO L140 encePairwiseOnDemand]: 252/255 looper letters, 9 selfloop transitions, 2 changer transitions 0/221 dead transitions. [2024-11-27 20:18:44,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 221 transitions, 472 flow [2024-11-27 20:18:44,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:18:44,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:18:44,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 714 transitions. [2024-11-27 20:18:44,579 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9333333333333333 [2024-11-27 20:18:44,579 INFO L175 Difference]: Start difference. First operand has 221 places, 222 transitions, 452 flow. Second operand 3 states and 714 transitions. [2024-11-27 20:18:44,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 221 transitions, 472 flow [2024-11-27 20:18:44,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 221 transitions, 468 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:18:44,586 INFO L231 Difference]: Finished difference. Result has 220 places, 221 transitions, 450 flow [2024-11-27 20:18:44,587 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=450, PETRI_PLACES=220, PETRI_TRANSITIONS=221} [2024-11-27 20:18:44,588 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, -8 predicate places. [2024-11-27 20:18:44,589 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 221 transitions, 450 flow [2024-11-27 20:18:44,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:18:44,590 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:18:44,590 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:18:44,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:18:44,590 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-27 20:18:44,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:18:44,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1325343806, now seen corresponding path program 1 times [2024-11-27 20:18:44,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:18:44,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525540850] [2024-11-27 20:18:44,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:18:44,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:18:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:18:44,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:18:44,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:18:44,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525540850] [2024-11-27 20:18:44,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525540850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:18:44,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:18:44,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:18:44,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745503418] [2024-11-27 20:18:44,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:18:44,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:18:44,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:18:44,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:18:44,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:44,741 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 255 [2024-11-27 20:18:44,742 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 221 transitions, 450 flow. Second operand has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:18:44,742 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:18:44,742 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 255 [2024-11-27 20:18:44,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:18:44,884 INFO L124 PetriNetUnfolderBase]: 32/560 cut-off events. [2024-11-27 20:18:44,884 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-27 20:18:44,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 608 conditions, 560 events. 32/560 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2686 event pairs, 9 based on Foata normal form. 0/484 useless extension candidates. Maximal degree in co-relation 554. Up to 36 conditions per place. [2024-11-27 20:18:44,890 INFO L140 encePairwiseOnDemand]: 249/255 looper letters, 12 selfloop transitions, 3 changer transitions 0/222 dead transitions. [2024-11-27 20:18:44,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 222 transitions, 483 flow [2024-11-27 20:18:44,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:18:44,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:18:44,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 717 transitions. [2024-11-27 20:18:44,895 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9372549019607843 [2024-11-27 20:18:44,895 INFO L175 Difference]: Start difference. First operand has 220 places, 221 transitions, 450 flow. Second operand 3 states and 717 transitions. [2024-11-27 20:18:44,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 222 transitions, 483 flow [2024-11-27 20:18:44,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 222 transitions, 479 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:18:44,905 INFO L231 Difference]: Finished difference. Result has 218 places, 221 transitions, 461 flow [2024-11-27 20:18:44,905 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=461, PETRI_PLACES=218, PETRI_TRANSITIONS=221} [2024-11-27 20:18:44,906 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, -10 predicate places. [2024-11-27 20:18:44,907 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 221 transitions, 461 flow [2024-11-27 20:18:44,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:18:44,907 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:18:44,908 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:18:44,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:18:44,908 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-27 20:18:44,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:18:44,910 INFO L85 PathProgramCache]: Analyzing trace with hash 317624442, now seen corresponding path program 1 times [2024-11-27 20:18:44,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:18:44,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319727854] [2024-11-27 20:18:44,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:18:44,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:18:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:18:45,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:18:45,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:18:45,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319727854] [2024-11-27 20:18:45,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319727854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:18:45,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:18:45,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:18:45,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388803627] [2024-11-27 20:18:45,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:18:45,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:18:45,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:18:45,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:18:45,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:45,052 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 255 [2024-11-27 20:18:45,053 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 221 transitions, 461 flow. Second operand has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:18:45,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:18:45,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 255 [2024-11-27 20:18:45,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:18:45,199 INFO L124 PetriNetUnfolderBase]: 34/573 cut-off events. [2024-11-27 20:18:45,200 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-11-27 20:18:45,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 641 conditions, 573 events. 34/573 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2883 event pairs, 8 based on Foata normal form. 0/508 useless extension candidates. Maximal degree in co-relation 520. Up to 36 conditions per place. [2024-11-27 20:18:45,204 INFO L140 encePairwiseOnDemand]: 249/255 looper letters, 12 selfloop transitions, 3 changer transitions 0/222 dead transitions. [2024-11-27 20:18:45,204 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 222 transitions, 494 flow [2024-11-27 20:18:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:18:45,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:18:45,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 717 transitions. [2024-11-27 20:18:45,207 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9372549019607843 [2024-11-27 20:18:45,207 INFO L175 Difference]: Start difference. First operand has 218 places, 221 transitions, 461 flow. Second operand 3 states and 717 transitions. [2024-11-27 20:18:45,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 222 transitions, 494 flow [2024-11-27 20:18:45,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 222 transitions, 494 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:18:45,215 INFO L231 Difference]: Finished difference. Result has 218 places, 221 transitions, 476 flow [2024-11-27 20:18:45,215 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=455, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=476, PETRI_PLACES=218, PETRI_TRANSITIONS=221} [2024-11-27 20:18:45,217 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, -10 predicate places. [2024-11-27 20:18:45,218 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 221 transitions, 476 flow [2024-11-27 20:18:45,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:18:45,219 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:18:45,219 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:18:45,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:18:45,220 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-27 20:18:45,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:18:45,222 INFO L85 PathProgramCache]: Analyzing trace with hash 567017611, now seen corresponding path program 1 times [2024-11-27 20:18:45,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:18:45,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403535222] [2024-11-27 20:18:45,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:18:45,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:18:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:18:45,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:18:45,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:18:45,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403535222] [2024-11-27 20:18:45,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403535222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:18:45,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:18:45,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:18:45,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528114537] [2024-11-27 20:18:45,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:18:45,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:18:45,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:18:45,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:18:45,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:45,340 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 255 [2024-11-27 20:18:45,341 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 221 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:18:45,341 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:18:45,342 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 255 [2024-11-27 20:18:45,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:18:45,489 INFO L124 PetriNetUnfolderBase]: 25/689 cut-off events. [2024-11-27 20:18:45,489 INFO L125 PetriNetUnfolderBase]: For 8/10 co-relation queries the response was YES. [2024-11-27 20:18:45,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 758 conditions, 689 events. 25/689 cut-off events. For 8/10 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3462 event pairs, 2 based on Foata normal form. 0/620 useless extension candidates. Maximal degree in co-relation 623. Up to 32 conditions per place. [2024-11-27 20:18:45,494 INFO L140 encePairwiseOnDemand]: 251/255 looper letters, 12 selfloop transitions, 2 changer transitions 0/224 dead transitions. [2024-11-27 20:18:45,494 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 224 transitions, 513 flow [2024-11-27 20:18:45,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:18:45,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:18:45,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 724 transitions. [2024-11-27 20:18:45,497 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9464052287581699 [2024-11-27 20:18:45,497 INFO L175 Difference]: Start difference. First operand has 218 places, 221 transitions, 476 flow. Second operand 3 states and 724 transitions. [2024-11-27 20:18:45,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 224 transitions, 513 flow [2024-11-27 20:18:45,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 224 transitions, 513 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:18:45,503 INFO L231 Difference]: Finished difference. Result has 219 places, 221 transitions, 486 flow [2024-11-27 20:18:45,503 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=486, PETRI_PLACES=219, PETRI_TRANSITIONS=221} [2024-11-27 20:18:45,504 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, -9 predicate places. [2024-11-27 20:18:45,504 INFO L471 AbstractCegarLoop]: Abstraction has has 219 places, 221 transitions, 486 flow [2024-11-27 20:18:45,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:18:45,505 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:18:45,505 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:18:45,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:18:45,506 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-27 20:18:45,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:18:45,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1048582861, now seen corresponding path program 1 times [2024-11-27 20:18:45,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:18:45,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366364352] [2024-11-27 20:18:45,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:18:45,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:18:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:18:45,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:18:45,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:18:45,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366364352] [2024-11-27 20:18:45,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366364352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:18:45,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:18:45,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:18:45,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384946517] [2024-11-27 20:18:45,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:18:45,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:18:45,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:18:45,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:18:45,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:45,600 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 255 [2024-11-27 20:18:45,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 221 transitions, 486 flow. Second operand has 3 states, 3 states have (on average 236.33333333333334) internal successors, (709), 3 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:18:45,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:18:45,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 255 [2024-11-27 20:18:45,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:18:45,725 INFO L124 PetriNetUnfolderBase]: 26/630 cut-off events. [2024-11-27 20:18:45,725 INFO L125 PetriNetUnfolderBase]: For 4/12 co-relation queries the response was YES. [2024-11-27 20:18:45,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 726 conditions, 630 events. 26/630 cut-off events. For 4/12 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3003 event pairs, 4 based on Foata normal form. 2/570 useless extension candidates. Maximal degree in co-relation 591. Up to 25 conditions per place. [2024-11-27 20:18:45,730 INFO L140 encePairwiseOnDemand]: 252/255 looper letters, 10 selfloop transitions, 2 changer transitions 0/221 dead transitions. [2024-11-27 20:18:45,730 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 221 transitions, 511 flow [2024-11-27 20:18:45,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:18:45,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:18:45,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 718 transitions. [2024-11-27 20:18:45,733 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.938562091503268 [2024-11-27 20:18:45,733 INFO L175 Difference]: Start difference. First operand has 219 places, 221 transitions, 486 flow. Second operand 3 states and 718 transitions. [2024-11-27 20:18:45,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 221 transitions, 511 flow [2024-11-27 20:18:45,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 221 transitions, 511 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:18:45,740 INFO L231 Difference]: Finished difference. Result has 220 places, 220 transitions, 488 flow [2024-11-27 20:18:45,741 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=488, PETRI_PLACES=220, PETRI_TRANSITIONS=220} [2024-11-27 20:18:45,743 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, -8 predicate places. [2024-11-27 20:18:45,743 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 220 transitions, 488 flow [2024-11-27 20:18:45,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 236.33333333333334) internal successors, (709), 3 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:18:45,744 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:18:45,744 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:18:45,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 20:18:45,748 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-27 20:18:45,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:18:45,748 INFO L85 PathProgramCache]: Analyzing trace with hash -556902577, now seen corresponding path program 1 times [2024-11-27 20:18:45,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:18:45,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643506346] [2024-11-27 20:18:45,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:18:45,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:18:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:18:45,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:18:45,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:18:45,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643506346] [2024-11-27 20:18:45,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643506346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:18:45,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:18:45,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:18:45,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618563542] [2024-11-27 20:18:45,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:18:45,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:18:45,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:18:45,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:18:45,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:45,841 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 255 [2024-11-27 20:18:45,844 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 220 transitions, 488 flow. Second operand has 3 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:18:45,844 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:18:45,844 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 255 [2024-11-27 20:18:45,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:18:46,024 INFO L124 PetriNetUnfolderBase]: 26/722 cut-off events. [2024-11-27 20:18:46,024 INFO L125 PetriNetUnfolderBase]: For 8/10 co-relation queries the response was YES. [2024-11-27 20:18:46,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 819 conditions, 722 events. 26/722 cut-off events. For 8/10 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3772 event pairs, 4 based on Foata normal form. 0/661 useless extension candidates. Maximal degree in co-relation 681. Up to 33 conditions per place. [2024-11-27 20:18:46,028 INFO L140 encePairwiseOnDemand]: 251/255 looper letters, 12 selfloop transitions, 2 changer transitions 0/223 dead transitions. [2024-11-27 20:18:46,028 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 223 transitions, 525 flow [2024-11-27 20:18:46,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:18:46,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:18:46,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 724 transitions. [2024-11-27 20:18:46,031 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9464052287581699 [2024-11-27 20:18:46,031 INFO L175 Difference]: Start difference. First operand has 220 places, 220 transitions, 488 flow. Second operand 3 states and 724 transitions. [2024-11-27 20:18:46,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 223 transitions, 525 flow [2024-11-27 20:18:46,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 223 transitions, 521 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:18:46,035 INFO L231 Difference]: Finished difference. Result has 219 places, 220 transitions, 494 flow [2024-11-27 20:18:46,036 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=494, PETRI_PLACES=219, PETRI_TRANSITIONS=220} [2024-11-27 20:18:46,037 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, -9 predicate places. [2024-11-27 20:18:46,037 INFO L471 AbstractCegarLoop]: Abstraction has has 219 places, 220 transitions, 494 flow [2024-11-27 20:18:46,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:18:46,038 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:18:46,038 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:18:46,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:18:46,038 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-27 20:18:46,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:18:46,039 INFO L85 PathProgramCache]: Analyzing trace with hash 304350489, now seen corresponding path program 1 times [2024-11-27 20:18:46,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:18:46,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587344315] [2024-11-27 20:18:46,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:18:46,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:18:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:18:46,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:18:46,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:18:46,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587344315] [2024-11-27 20:18:46,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587344315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:18:46,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:18:46,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:18:46,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234097263] [2024-11-27 20:18:46,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:18:46,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:18:46,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:18:46,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:18:46,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:46,130 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 255 [2024-11-27 20:18:46,131 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 220 transitions, 494 flow. Second operand has 3 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:18:46,131 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:18:46,131 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 255 [2024-11-27 20:18:46,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:18:46,231 INFO L124 PetriNetUnfolderBase]: 33/577 cut-off events. [2024-11-27 20:18:46,231 INFO L125 PetriNetUnfolderBase]: For 19/21 co-relation queries the response was YES. [2024-11-27 20:18:46,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 712 conditions, 577 events. 33/577 cut-off events. For 19/21 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2632 event pairs, 4 based on Foata normal form. 0/534 useless extension candidates. Maximal degree in co-relation 569. Up to 47 conditions per place. [2024-11-27 20:18:46,236 INFO L140 encePairwiseOnDemand]: 252/255 looper letters, 10 selfloop transitions, 2 changer transitions 0/220 dead transitions. [2024-11-27 20:18:46,236 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 220 transitions, 519 flow [2024-11-27 20:18:46,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:18:46,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:18:46,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 718 transitions. [2024-11-27 20:18:46,239 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.938562091503268 [2024-11-27 20:18:46,239 INFO L175 Difference]: Start difference. First operand has 219 places, 220 transitions, 494 flow. Second operand 3 states and 718 transitions. [2024-11-27 20:18:46,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 220 transitions, 519 flow [2024-11-27 20:18:46,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 220 transitions, 519 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:18:46,250 INFO L231 Difference]: Finished difference. Result has 220 places, 219 transitions, 496 flow [2024-11-27 20:18:46,250 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=492, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=496, PETRI_PLACES=220, PETRI_TRANSITIONS=219} [2024-11-27 20:18:46,251 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, -8 predicate places. [2024-11-27 20:18:46,251 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 219 transitions, 496 flow [2024-11-27 20:18:46,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:18:46,252 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:18:46,252 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:18:46,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 20:18:46,253 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-27 20:18:46,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:18:46,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1684243623, now seen corresponding path program 1 times [2024-11-27 20:18:46,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:18:46,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903123755] [2024-11-27 20:18:46,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:18:46,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:18:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:18:46,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:18:46,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:18:46,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903123755] [2024-11-27 20:18:46,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903123755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:18:46,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:18:46,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:18:46,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547474975] [2024-11-27 20:18:46,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:18:46,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:18:46,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:18:46,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:18:46,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:46,375 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 255 [2024-11-27 20:18:46,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 219 transitions, 496 flow. Second operand has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:18:46,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:18:46,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 255 [2024-11-27 20:18:46,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:18:46,488 INFO L124 PetriNetUnfolderBase]: 21/625 cut-off events. [2024-11-27 20:18:46,488 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-27 20:18:46,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 745 conditions, 625 events. 21/625 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2930 event pairs, 2 based on Foata normal form. 0/585 useless extension candidates. Maximal degree in co-relation 605. Up to 18 conditions per place. [2024-11-27 20:18:46,492 INFO L140 encePairwiseOnDemand]: 251/255 looper letters, 10 selfloop transitions, 1 changer transitions 0/216 dead transitions. [2024-11-27 20:18:46,493 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 216 transitions, 512 flow [2024-11-27 20:18:46,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:18:46,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:18:46,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 713 transitions. [2024-11-27 20:18:46,495 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9320261437908497 [2024-11-27 20:18:46,495 INFO L175 Difference]: Start difference. First operand has 220 places, 219 transitions, 496 flow. Second operand 3 states and 713 transitions. [2024-11-27 20:18:46,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 216 transitions, 512 flow [2024-11-27 20:18:46,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 216 transitions, 508 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:18:46,501 INFO L231 Difference]: Finished difference. Result has 217 places, 216 transitions, 488 flow [2024-11-27 20:18:46,502 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=488, PETRI_PLACES=217, PETRI_TRANSITIONS=216} [2024-11-27 20:18:46,502 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, -11 predicate places. [2024-11-27 20:18:46,504 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 216 transitions, 488 flow [2024-11-27 20:18:46,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:18:46,505 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:18:46,505 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:18:46,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 20:18:46,505 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-27 20:18:46,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:18:46,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1306588128, now seen corresponding path program 1 times [2024-11-27 20:18:46,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:18:46,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244887534] [2024-11-27 20:18:46,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:18:46,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:18:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:18:46,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:18:46,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:18:46,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244887534] [2024-11-27 20:18:46,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244887534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:18:46,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:18:46,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:18:46,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479323918] [2024-11-27 20:18:46,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:18:46,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:18:46,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:18:46,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:18:46,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:46,627 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 255 [2024-11-27 20:18:46,629 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 216 transitions, 488 flow. Second operand has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:18:46,629 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:18:46,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 255 [2024-11-27 20:18:46,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:18:46,734 INFO L124 PetriNetUnfolderBase]: 23/596 cut-off events. [2024-11-27 20:18:46,734 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2024-11-27 20:18:46,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 694 conditions, 596 events. 23/596 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2505 event pairs, 2 based on Foata normal form. 2/565 useless extension candidates. Maximal degree in co-relation 556. Up to 25 conditions per place. [2024-11-27 20:18:46,737 INFO L140 encePairwiseOnDemand]: 249/255 looper letters, 0 selfloop transitions, 0 changer transitions 215/215 dead transitions. [2024-11-27 20:18:46,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 215 transitions, 510 flow [2024-11-27 20:18:46,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:18:46,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:18:46,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 714 transitions. [2024-11-27 20:18:46,740 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9333333333333333 [2024-11-27 20:18:46,741 INFO L175 Difference]: Start difference. First operand has 217 places, 216 transitions, 488 flow. Second operand 3 states and 714 transitions. [2024-11-27 20:18:46,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 215 transitions, 510 flow [2024-11-27 20:18:46,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 215 transitions, 509 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:18:46,746 INFO L231 Difference]: Finished difference. Result has 215 places, 0 transitions, 0 flow [2024-11-27 20:18:46,747 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=481, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=215, PETRI_TRANSITIONS=0} [2024-11-27 20:18:46,749 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, -13 predicate places. [2024-11-27 20:18:46,749 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 0 transitions, 0 flow [2024-11-27 20:18:46,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:18:46,755 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (35 of 36 remaining) [2024-11-27 20:18:46,755 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (34 of 36 remaining) [2024-11-27 20:18:46,757 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (33 of 36 remaining) [2024-11-27 20:18:46,757 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (32 of 36 remaining) [2024-11-27 20:18:46,757 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (31 of 36 remaining) [2024-11-27 20:18:46,757 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (30 of 36 remaining) [2024-11-27 20:18:46,757 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (29 of 36 remaining) [2024-11-27 20:18:46,757 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (28 of 36 remaining) [2024-11-27 20:18:46,757 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (27 of 36 remaining) [2024-11-27 20:18:46,757 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (26 of 36 remaining) [2024-11-27 20:18:46,758 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (25 of 36 remaining) [2024-11-27 20:18:46,758 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (24 of 36 remaining) [2024-11-27 20:18:46,758 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 36 remaining) [2024-11-27 20:18:46,758 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 36 remaining) [2024-11-27 20:18:46,758 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 36 remaining) [2024-11-27 20:18:46,758 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 36 remaining) [2024-11-27 20:18:46,758 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 36 remaining) [2024-11-27 20:18:46,758 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (18 of 36 remaining) [2024-11-27 20:18:46,758 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (17 of 36 remaining) [2024-11-27 20:18:46,758 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 36 remaining) [2024-11-27 20:18:46,759 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (15 of 36 remaining) [2024-11-27 20:18:46,759 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (14 of 36 remaining) [2024-11-27 20:18:46,759 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 36 remaining) [2024-11-27 20:18:46,759 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 36 remaining) [2024-11-27 20:18:46,759 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 36 remaining) [2024-11-27 20:18:46,759 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 36 remaining) [2024-11-27 20:18:46,759 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 36 remaining) [2024-11-27 20:18:46,759 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 36 remaining) [2024-11-27 20:18:46,759 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (7 of 36 remaining) [2024-11-27 20:18:46,759 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (6 of 36 remaining) [2024-11-27 20:18:46,760 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 36 remaining) [2024-11-27 20:18:46,760 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 36 remaining) [2024-11-27 20:18:46,760 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (3 of 36 remaining) [2024-11-27 20:18:46,760 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (2 of 36 remaining) [2024-11-27 20:18:46,760 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 36 remaining) [2024-11-27 20:18:46,760 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (0 of 36 remaining) [2024-11-27 20:18:46,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 20:18:46,762 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:18:46,771 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 20:18:46,771 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:18:46,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:18:46 BasicIcfg [2024-11-27 20:18:46,782 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:18:46,782 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:18:46,782 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:18:46,783 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:18:46,783 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:18:42" (3/4) ... [2024-11-27 20:18:46,785 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:18:46,790 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-27 20:18:46,790 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-27 20:18:46,799 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-27 20:18:46,800 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-27 20:18:46,800 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 20:18:46,800 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 20:18:46,917 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8a39d3-697a-4d22-b969-03caf5f0b50a/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:18:46,917 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8a39d3-697a-4d22-b969-03caf5f0b50a/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:18:46,917 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:18:46,919 INFO L158 Benchmark]: Toolchain (without parser) took 5449.72ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.5MB in the beginning and 205.6MB in the end (delta: -112.1MB). Peak memory consumption was 118.9MB. Max. memory is 16.1GB. [2024-11-27 20:18:46,920 INFO L158 Benchmark]: CDTParser took 1.96ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:18:46,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.91ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 81.6MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:18:46,920 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.45ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 79.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:18:46,921 INFO L158 Benchmark]: Boogie Preprocessor took 30.10ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.6MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:18:46,921 INFO L158 Benchmark]: RCFGBuilder took 753.45ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 59.5MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:18:46,921 INFO L158 Benchmark]: TraceAbstraction took 4191.71ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 58.8MB in the beginning and 211.9MB in the end (delta: -153.1MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2024-11-27 20:18:46,922 INFO L158 Benchmark]: Witness Printer took 135.22ms. Allocated memory is still 352.3MB. Free memory was 208.8MB in the beginning and 205.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:18:46,925 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.96ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.91ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 81.6MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.45ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 79.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.10ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.6MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 753.45ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 59.5MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4191.71ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 58.8MB in the beginning and 211.9MB in the end (delta: -153.1MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. * Witness Printer took 135.22ms. Allocated memory is still 352.3MB. Free memory was 208.8MB in the beginning and 205.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: 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, 360 locations, 36 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: 3.9s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 263 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 295 IncrementalHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 71 mSDtfsCounter, 295 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=496occurred in iteration=10, InterpolantAutomatonStates: 36, 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, 0.8s InterpolantComputationTime, 705 NumberOfCodeBlocks, 705 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 693 ConstructedInterpolants, 0 QuantifiedInterpolants, 717 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 20:18:46,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8a39d3-697a-4d22-b969-03caf5f0b50a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE