./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-multiply-verify.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_dcf1b1ae-efba-43e6-8ca0-9589a8f74e43/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf1b1ae-efba-43e6-8ca0-9589a8f74e43/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf1b1ae-efba-43e6-8ca0-9589a8f74e43/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf1b1ae-efba-43e6-8ca0-9589a8f74e43/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf1b1ae-efba-43e6-8ca0-9589a8f74e43/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf1b1ae-efba-43e6-8ca0-9589a8f74e43/bin/uautomizer-verify-84ZbGMXZE1 --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 d79cb5dae664e13779624ff0ffbc531b419f89e2c7510a92e890992a52ee7c98 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:32:03,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:32:03,130 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf1b1ae-efba-43e6-8ca0-9589a8f74e43/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-12-02 07:32:03,134 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:32:03,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:32:03,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:32:03,155 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:32:03,155 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:32:03,155 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:32:03,155 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:32:03,155 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:32:03,156 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:32:03,156 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:32:03,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:32:03,156 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:32:03,156 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 07:32:03,156 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 07:32:03,156 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 07:32:03,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:32:03,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:32:03,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:32:03,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:32:03,157 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-12-02 07:32:03,157 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 07:32:03,157 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 07:32:03,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:32:03,157 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:32:03,157 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:32:03,157 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:32:03,157 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:32:03,157 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:32:03,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:32:03,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:32:03,157 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:32:03,158 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:32:03,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:32:03,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:32:03,158 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:32:03,158 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:32:03,158 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:32:03,158 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 07:32:03,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 07:32:03,158 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:32:03,158 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:32:03,158 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:32:03,158 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:32:03,159 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_dcf1b1ae-efba-43e6-8ca0-9589a8f74e43/bin/uautomizer-verify-84ZbGMXZE1 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 -> d79cb5dae664e13779624ff0ffbc531b419f89e2c7510a92e890992a52ee7c98 [2024-12-02 07:32:03,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:32:03,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:32:03,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:32:03,382 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:32:03,382 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:32:03,384 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf1b1ae-efba-43e6-8ca0-9589a8f74e43/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c [2024-12-02 07:32:06,029 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf1b1ae-efba-43e6-8ca0-9589a8f74e43/bin/uautomizer-verify-84ZbGMXZE1/data/15bd94990/6dfcaecdd93b46a490f4f89a0a003b4e/FLAGd4e500e01 [2024-12-02 07:32:06,216 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:32:06,217 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf1b1ae-efba-43e6-8ca0-9589a8f74e43/sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c [2024-12-02 07:32:06,224 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf1b1ae-efba-43e6-8ca0-9589a8f74e43/bin/uautomizer-verify-84ZbGMXZE1/data/15bd94990/6dfcaecdd93b46a490f4f89a0a003b4e/FLAGd4e500e01 [2024-12-02 07:32:06,238 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf1b1ae-efba-43e6-8ca0-9589a8f74e43/bin/uautomizer-verify-84ZbGMXZE1/data/15bd94990/6dfcaecdd93b46a490f4f89a0a003b4e [2024-12-02 07:32:06,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:32:06,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:32:06,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:32:06,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:32:06,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:32:06,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:32:06" (1/1) ... [2024-12-02 07:32:06,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11fc25c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:06, skipping insertion in model container [2024-12-02 07:32:06,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:32:06" (1/1) ... [2024-12-02 07:32:06,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:32:06,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:32:06,425 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:32:06,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:32:06,470 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:32:06,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:06 WrapperNode [2024-12-02 07:32:06,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:32:06,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:32:06,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:32:06,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:32:06,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:06" (1/1) ... [2024-12-02 07:32:06,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:06" (1/1) ... [2024-12-02 07:32:06,513 INFO L138 Inliner]: procedures = 25, calls = 36, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 301 [2024-12-02 07:32:06,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:32:06,514 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:32:06,514 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:32:06,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:32:06,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:06" (1/1) ... [2024-12-02 07:32:06,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:06" (1/1) ... [2024-12-02 07:32:06,527 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:06" (1/1) ... [2024-12-02 07:32:06,527 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:06" (1/1) ... [2024-12-02 07:32:06,538 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:06" (1/1) ... [2024-12-02 07:32:06,539 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:06" (1/1) ... [2024-12-02 07:32:06,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:06" (1/1) ... [2024-12-02 07:32:06,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:06" (1/1) ... [2024-12-02 07:32:06,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:06" (1/1) ... [2024-12-02 07:32:06,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:32:06,550 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:32:06,550 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:32:06,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:32:06,551 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:06" (1/1) ... [2024-12-02 07:32:06,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:32:06,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf1b1ae-efba-43e6-8ca0-9589a8f74e43/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:32:06,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf1b1ae-efba-43e6-8ca0-9589a8f74e43/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:32:06,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf1b1ae-efba-43e6-8ca0-9589a8f74e43/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:32:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:32:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-02 07:32:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-02 07:32:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-02 07:32:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-02 07:32:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-02 07:32:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-02 07:32:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-02 07:32:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-02 07:32:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-02 07:32:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-02 07:32:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 07:32:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:32:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:32:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-02 07:32:06,605 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-02 07:32:06,696 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:32:06,698 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:32:07,191 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 07:32:07,191 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:32:07,440 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:32:07,440 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-02 07:32:07,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:32:07 BoogieIcfgContainer [2024-12-02 07:32:07,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:32:07,442 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:32:07,442 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:32:07,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:32:07,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:32:06" (1/3) ... [2024-12-02 07:32:07,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb76f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:32:07, skipping insertion in model container [2024-12-02 07:32:07,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:06" (2/3) ... [2024-12-02 07:32:07,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb76f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:32:07, skipping insertion in model container [2024-12-02 07:32:07,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:32:07" (3/3) ... [2024-12-02 07:32:07,449 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-multiply-verify.wvr.c [2024-12-02 07:32:07,464 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:32:07,465 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-multiply-verify.wvr.c that has 4 procedures, 248 locations, 1 initial locations, 3 loop locations, and 42 error locations. [2024-12-02 07:32:07,465 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 07:32:07,548 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-12-02 07:32:07,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 257 places, 256 transitions, 533 flow [2024-12-02 07:32:07,665 INFO L124 PetriNetUnfolderBase]: 9/253 cut-off events. [2024-12-02 07:32:07,667 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-12-02 07:32:07,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 253 events. 9/253 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 354 event pairs, 0 based on Foata normal form. 0/202 useless extension candidates. Maximal degree in co-relation 189. Up to 2 conditions per place. [2024-12-02 07:32:07,674 INFO L82 GeneralOperation]: Start removeDead. Operand has 257 places, 256 transitions, 533 flow [2024-12-02 07:32:07,679 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 238 places, 236 transitions, 490 flow [2024-12-02 07:32:07,687 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:32:07,697 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;@61c56d57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:32:07,698 INFO L334 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2024-12-02 07:32:07,723 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 07:32:07,723 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-12-02 07:32:07,723 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 07:32:07,724 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:32:07,724 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] [2024-12-02 07:32:07,725 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-12-02 07:32:07,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:07,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1692325291, now seen corresponding path program 1 times [2024-12-02 07:32:07,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:32:07,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065335835] [2024-12-02 07:32:07,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:07,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:32:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:07,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:32:07,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:32:07,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065335835] [2024-12-02 07:32:07,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065335835] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:07,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:32:07,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:32:07,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491357388] [2024-12-02 07:32:07,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:07,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:32:07,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:32:07,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:32:07,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:32:07,933 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 256 [2024-12-02 07:32:07,937 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 236 transitions, 490 flow. Second operand has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:07,937 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:32:07,937 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 256 [2024-12-02 07:32:07,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:32:08,085 INFO L124 PetriNetUnfolderBase]: 96/510 cut-off events. [2024-12-02 07:32:08,085 INFO L125 PetriNetUnfolderBase]: For 74/94 co-relation queries the response was YES. [2024-12-02 07:32:08,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 729 conditions, 510 events. 96/510 cut-off events. For 74/94 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2234 event pairs, 71 based on Foata normal form. 3/456 useless extension candidates. Maximal degree in co-relation 548. Up to 160 conditions per place. [2024-12-02 07:32:08,091 INFO L140 encePairwiseOnDemand]: 225/256 looper letters, 16 selfloop transitions, 2 changer transitions 2/207 dead transitions. [2024-12-02 07:32:08,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 207 transitions, 468 flow [2024-12-02 07:32:08,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:32:08,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 07:32:08,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 665 transitions. [2024-12-02 07:32:08,104 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8658854166666666 [2024-12-02 07:32:08,106 INFO L175 Difference]: Start difference. First operand has 238 places, 236 transitions, 490 flow. Second operand 3 states and 665 transitions. [2024-12-02 07:32:08,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 207 transitions, 468 flow [2024-12-02 07:32:08,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 207 transitions, 456 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-12-02 07:32:08,115 INFO L231 Difference]: Finished difference. Result has 210 places, 205 transitions, 420 flow [2024-12-02 07:32:08,116 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=420, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=210, PETRI_TRANSITIONS=205} [2024-12-02 07:32:08,119 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -28 predicate places. [2024-12-02 07:32:08,119 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 205 transitions, 420 flow [2024-12-02 07:32:08,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:08,119 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:32:08,120 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] [2024-12-02 07:32:08,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 07:32:08,120 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-12-02 07:32:08,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:08,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1193338581, now seen corresponding path program 1 times [2024-12-02 07:32:08,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:32:08,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793420272] [2024-12-02 07:32:08,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:08,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:32:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:08,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:32:08,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:32:08,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793420272] [2024-12-02 07:32:08,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793420272] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:08,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:32:08,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:32:08,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595085988] [2024-12-02 07:32:08,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:08,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:32:08,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:32:08,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:32:08,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:32:08,179 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 256 [2024-12-02 07:32:08,180 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 205 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:08,180 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:32:08,180 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 256 [2024-12-02 07:32:08,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:32:08,312 INFO L124 PetriNetUnfolderBase]: 43/728 cut-off events. [2024-12-02 07:32:08,312 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-12-02 07:32:08,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 828 conditions, 728 events. 43/728 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3862 event pairs, 38 based on Foata normal form. 0/620 useless extension candidates. Maximal degree in co-relation 797. Up to 81 conditions per place. [2024-12-02 07:32:08,317 INFO L140 encePairwiseOnDemand]: 253/256 looper letters, 14 selfloop transitions, 2 changer transitions 0/204 dead transitions. [2024-12-02 07:32:08,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 204 transitions, 450 flow [2024-12-02 07:32:08,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:32:08,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 07:32:08,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 641 transitions. [2024-12-02 07:32:08,319 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8346354166666666 [2024-12-02 07:32:08,320 INFO L175 Difference]: Start difference. First operand has 210 places, 205 transitions, 420 flow. Second operand 3 states and 641 transitions. [2024-12-02 07:32:08,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 204 transitions, 450 flow [2024-12-02 07:32:08,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 204 transitions, 446 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 07:32:08,324 INFO L231 Difference]: Finished difference. Result has 207 places, 204 transitions, 418 flow [2024-12-02 07:32:08,325 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=207, PETRI_TRANSITIONS=204} [2024-12-02 07:32:08,325 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -31 predicate places. [2024-12-02 07:32:08,325 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 204 transitions, 418 flow [2024-12-02 07:32:08,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:08,326 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:32:08,326 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] [2024-12-02 07:32:08,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 07:32:08,326 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-12-02 07:32:08,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:08,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1183881710, now seen corresponding path program 1 times [2024-12-02 07:32:08,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:32:08,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970477225] [2024-12-02 07:32:08,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:08,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:32:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:08,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:32:08,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:32:08,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970477225] [2024-12-02 07:32:08,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970477225] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:08,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:32:08,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:32:08,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828378515] [2024-12-02 07:32:08,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:08,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:32:08,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:32:08,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:32:08,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:32:08,392 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 256 [2024-12-02 07:32:08,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 204 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:08,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:32:08,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 256 [2024-12-02 07:32:08,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:32:08,521 INFO L124 PetriNetUnfolderBase]: 43/727 cut-off events. [2024-12-02 07:32:08,521 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-12-02 07:32:08,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 828 conditions, 727 events. 43/727 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3865 event pairs, 38 based on Foata normal form. 0/620 useless extension candidates. Maximal degree in co-relation 790. Up to 82 conditions per place. [2024-12-02 07:32:08,524 INFO L140 encePairwiseOnDemand]: 253/256 looper letters, 15 selfloop transitions, 2 changer transitions 0/203 dead transitions. [2024-12-02 07:32:08,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 203 transitions, 450 flow [2024-12-02 07:32:08,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:32:08,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 07:32:08,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 639 transitions. [2024-12-02 07:32:08,527 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.83203125 [2024-12-02 07:32:08,527 INFO L175 Difference]: Start difference. First operand has 207 places, 204 transitions, 418 flow. Second operand 3 states and 639 transitions. [2024-12-02 07:32:08,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 203 transitions, 450 flow [2024-12-02 07:32:08,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 203 transitions, 446 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 07:32:08,530 INFO L231 Difference]: Finished difference. Result has 206 places, 203 transitions, 416 flow [2024-12-02 07:32:08,530 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=416, PETRI_PLACES=206, PETRI_TRANSITIONS=203} [2024-12-02 07:32:08,531 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -32 predicate places. [2024-12-02 07:32:08,531 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 203 transitions, 416 flow [2024-12-02 07:32:08,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:08,532 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:32:08,532 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] [2024-12-02 07:32:08,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 07:32:08,532 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-12-02 07:32:08,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:08,533 INFO L85 PathProgramCache]: Analyzing trace with hash 972806924, now seen corresponding path program 1 times [2024-12-02 07:32:08,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:32:08,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814108364] [2024-12-02 07:32:08,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:08,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:32:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:08,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:32:08,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:32:08,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814108364] [2024-12-02 07:32:08,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814108364] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:08,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:32:08,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:32:08,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964481385] [2024-12-02 07:32:08,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:08,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:32:08,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:32:08,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:32:08,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:32:08,605 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 256 [2024-12-02 07:32:08,606 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 203 transitions, 416 flow. Second operand has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:08,606 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:32:08,606 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 256 [2024-12-02 07:32:08,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:32:08,724 INFO L124 PetriNetUnfolderBase]: 79/764 cut-off events. [2024-12-02 07:32:08,725 INFO L125 PetriNetUnfolderBase]: For 16/17 co-relation queries the response was YES. [2024-12-02 07:32:08,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 927 conditions, 764 events. 79/764 cut-off events. For 16/17 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4250 event pairs, 74 based on Foata normal form. 0/657 useless extension candidates. Maximal degree in co-relation 881. Up to 144 conditions per place. [2024-12-02 07:32:08,728 INFO L140 encePairwiseOnDemand]: 253/256 looper letters, 17 selfloop transitions, 2 changer transitions 0/202 dead transitions. [2024-12-02 07:32:08,728 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 202 transitions, 452 flow [2024-12-02 07:32:08,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:32:08,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 07:32:08,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 635 transitions. [2024-12-02 07:32:08,745 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8268229166666666 [2024-12-02 07:32:08,745 INFO L175 Difference]: Start difference. First operand has 206 places, 203 transitions, 416 flow. Second operand 3 states and 635 transitions. [2024-12-02 07:32:08,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 202 transitions, 452 flow [2024-12-02 07:32:08,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 202 transitions, 448 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 07:32:08,747 INFO L231 Difference]: Finished difference. Result has 205 places, 202 transitions, 414 flow [2024-12-02 07:32:08,747 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=414, PETRI_PLACES=205, PETRI_TRANSITIONS=202} [2024-12-02 07:32:08,748 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -33 predicate places. [2024-12-02 07:32:08,748 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 202 transitions, 414 flow [2024-12-02 07:32:08,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:08,748 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:32:08,748 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] [2024-12-02 07:32:08,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 07:32:08,749 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-12-02 07:32:08,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:08,749 INFO L85 PathProgramCache]: Analyzing trace with hash -728830377, now seen corresponding path program 1 times [2024-12-02 07:32:08,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:32:08,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899165085] [2024-12-02 07:32:08,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:08,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:32:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:08,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:32:08,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:32:08,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899165085] [2024-12-02 07:32:08,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899165085] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:08,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:32:08,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:32:08,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724206616] [2024-12-02 07:32:08,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:08,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:32:08,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:32:08,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:32:08,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:32:08,810 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 256 [2024-12-02 07:32:08,811 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 202 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 206.0) internal successors, (618), 3 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:08,811 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:32:08,811 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 256 [2024-12-02 07:32:08,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:32:08,905 INFO L124 PetriNetUnfolderBase]: 115/777 cut-off events. [2024-12-02 07:32:08,905 INFO L125 PetriNetUnfolderBase]: For 25/26 co-relation queries the response was YES. [2024-12-02 07:32:08,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 999 conditions, 777 events. 115/777 cut-off events. For 25/26 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 4365 event pairs, 110 based on Foata normal form. 0/695 useless extension candidates. Maximal degree in co-relation 945. Up to 203 conditions per place. [2024-12-02 07:32:08,909 INFO L140 encePairwiseOnDemand]: 252/256 looper letters, 17 selfloop transitions, 1 changer transitions 0/199 dead transitions. [2024-12-02 07:32:08,909 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 199 transitions, 444 flow [2024-12-02 07:32:08,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:32:08,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 07:32:08,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2024-12-02 07:32:08,912 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.828125 [2024-12-02 07:32:08,912 INFO L175 Difference]: Start difference. First operand has 205 places, 202 transitions, 414 flow. Second operand 3 states and 636 transitions. [2024-12-02 07:32:08,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 199 transitions, 444 flow [2024-12-02 07:32:08,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 199 transitions, 440 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 07:32:08,914 INFO L231 Difference]: Finished difference. Result has 202 places, 199 transitions, 406 flow [2024-12-02 07:32:08,914 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=406, PETRI_PLACES=202, PETRI_TRANSITIONS=199} [2024-12-02 07:32:08,915 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -36 predicate places. [2024-12-02 07:32:08,915 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 199 transitions, 406 flow [2024-12-02 07:32:08,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.0) internal successors, (618), 3 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:08,916 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:32:08,916 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] [2024-12-02 07:32:08,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 07:32:08,916 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-12-02 07:32:08,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:08,917 INFO L85 PathProgramCache]: Analyzing trace with hash -35935668, now seen corresponding path program 1 times [2024-12-02 07:32:08,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:32:08,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892781627] [2024-12-02 07:32:08,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:08,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:32:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:08,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:32:08,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:32:08,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892781627] [2024-12-02 07:32:08,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892781627] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:08,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:32:08,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:32:08,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294807065] [2024-12-02 07:32:08,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:08,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:32:08,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:32:08,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:32:08,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:32:08,964 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 256 [2024-12-02 07:32:08,965 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 199 transitions, 406 flow. Second operand has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:08,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:32:08,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 256 [2024-12-02 07:32:08,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:32:09,080 INFO L124 PetriNetUnfolderBase]: 43/700 cut-off events. [2024-12-02 07:32:09,081 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-12-02 07:32:09,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 799 conditions, 700 events. 43/700 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3640 event pairs, 38 based on Foata normal form. 0/620 useless extension candidates. Maximal degree in co-relation 745. Up to 81 conditions per place. [2024-12-02 07:32:09,084 INFO L140 encePairwiseOnDemand]: 253/256 looper letters, 14 selfloop transitions, 2 changer transitions 0/198 dead transitions. [2024-12-02 07:32:09,084 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 198 transitions, 436 flow [2024-12-02 07:32:09,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:32:09,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 07:32:09,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 641 transitions. [2024-12-02 07:32:09,086 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8346354166666666 [2024-12-02 07:32:09,087 INFO L175 Difference]: Start difference. First operand has 202 places, 199 transitions, 406 flow. Second operand 3 states and 641 transitions. [2024-12-02 07:32:09,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 198 transitions, 436 flow [2024-12-02 07:32:09,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 198 transitions, 435 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 07:32:09,090 INFO L231 Difference]: Finished difference. Result has 202 places, 198 transitions, 407 flow [2024-12-02 07:32:09,090 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=403, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=407, PETRI_PLACES=202, PETRI_TRANSITIONS=198} [2024-12-02 07:32:09,091 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -36 predicate places. [2024-12-02 07:32:09,091 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 198 transitions, 407 flow [2024-12-02 07:32:09,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:09,091 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:32:09,091 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] [2024-12-02 07:32:09,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 07:32:09,092 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-12-02 07:32:09,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:09,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1111854482, now seen corresponding path program 1 times [2024-12-02 07:32:09,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:32:09,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683894625] [2024-12-02 07:32:09,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:09,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:32:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:09,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:32:09,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:32:09,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683894625] [2024-12-02 07:32:09,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683894625] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:09,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:32:09,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:32:09,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749699064] [2024-12-02 07:32:09,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:09,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:32:09,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:32:09,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:32:09,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:32:09,138 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 256 [2024-12-02 07:32:09,139 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 198 transitions, 407 flow. Second operand has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:09,139 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:32:09,139 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 256 [2024-12-02 07:32:09,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:32:09,244 INFO L124 PetriNetUnfolderBase]: 43/699 cut-off events. [2024-12-02 07:32:09,244 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-12-02 07:32:09,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 798 conditions, 699 events. 43/699 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3639 event pairs, 38 based on Foata normal form. 0/620 useless extension candidates. Maximal degree in co-relation 744. Up to 79 conditions per place. [2024-12-02 07:32:09,248 INFO L140 encePairwiseOnDemand]: 254/256 looper letters, 13 selfloop transitions, 1 changer transitions 0/197 dead transitions. [2024-12-02 07:32:09,248 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 197 transitions, 433 flow [2024-12-02 07:32:09,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:32:09,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 07:32:09,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 648 transitions. [2024-12-02 07:32:09,250 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.84375 [2024-12-02 07:32:09,250 INFO L175 Difference]: Start difference. First operand has 202 places, 198 transitions, 407 flow. Second operand 3 states and 648 transitions. [2024-12-02 07:32:09,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 197 transitions, 433 flow [2024-12-02 07:32:09,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 197 transitions, 429 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 07:32:09,253 INFO L231 Difference]: Finished difference. Result has 201 places, 197 transitions, 403 flow [2024-12-02 07:32:09,254 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=401, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=403, PETRI_PLACES=201, PETRI_TRANSITIONS=197} [2024-12-02 07:32:09,254 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -37 predicate places. [2024-12-02 07:32:09,254 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 197 transitions, 403 flow [2024-12-02 07:32:09,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:09,255 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:32:09,255 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] [2024-12-02 07:32:09,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 07:32:09,255 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-12-02 07:32:09,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:09,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1440519172, now seen corresponding path program 1 times [2024-12-02 07:32:09,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:32:09,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983262557] [2024-12-02 07:32:09,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:09,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:32:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:09,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:32:09,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:32:09,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983262557] [2024-12-02 07:32:09,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983262557] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:09,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:32:09,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:32:09,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065386244] [2024-12-02 07:32:09,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:09,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 07:32:09,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:32:09,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 07:32:09,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:32:09,943 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 256 [2024-12-02 07:32:09,945 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 197 transitions, 403 flow. Second operand has 6 states, 6 states have (on average 194.5) internal successors, (1167), 6 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:09,945 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:32:09,945 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 256 [2024-12-02 07:32:09,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:32:10,113 INFO L124 PetriNetUnfolderBase]: 187/850 cut-off events. [2024-12-02 07:32:10,113 INFO L125 PetriNetUnfolderBase]: For 40/41 co-relation queries the response was YES. [2024-12-02 07:32:10,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1206 conditions, 850 events. 187/850 cut-off events. For 40/41 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 5101 event pairs, 182 based on Foata normal form. 0/770 useless extension candidates. Maximal degree in co-relation 1153. Up to 334 conditions per place. [2024-12-02 07:32:10,118 INFO L140 encePairwiseOnDemand]: 250/256 looper letters, 27 selfloop transitions, 5 changer transitions 0/196 dead transitions. [2024-12-02 07:32:10,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 196 transitions, 465 flow [2024-12-02 07:32:10,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:32:10,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-12-02 07:32:10,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1191 transitions. [2024-12-02 07:32:10,121 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.775390625 [2024-12-02 07:32:10,121 INFO L175 Difference]: Start difference. First operand has 201 places, 197 transitions, 403 flow. Second operand 6 states and 1191 transitions. [2024-12-02 07:32:10,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 196 transitions, 465 flow [2024-12-02 07:32:10,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 196 transitions, 464 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 07:32:10,124 INFO L231 Difference]: Finished difference. Result has 204 places, 196 transitions, 410 flow [2024-12-02 07:32:10,125 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=410, PETRI_PLACES=204, PETRI_TRANSITIONS=196} [2024-12-02 07:32:10,126 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -34 predicate places. [2024-12-02 07:32:10,126 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 196 transitions, 410 flow [2024-12-02 07:32:10,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.5) internal successors, (1167), 6 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:10,127 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:32:10,127 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] [2024-12-02 07:32:10,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 07:32:10,127 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-12-02 07:32:10,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:10,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1907457101, now seen corresponding path program 1 times [2024-12-02 07:32:10,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:32:10,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130357105] [2024-12-02 07:32:10,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:10,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:32:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:10,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:32:10,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:32:10,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130357105] [2024-12-02 07:32:10,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130357105] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:10,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:32:10,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:32:10,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894752776] [2024-12-02 07:32:10,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:10,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:32:10,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:32:10,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:32:10,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:32:10,186 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 256 [2024-12-02 07:32:10,187 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 196 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:10,188 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:32:10,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 256 [2024-12-02 07:32:10,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:32:10,283 INFO L124 PetriNetUnfolderBase]: 79/735 cut-off events. [2024-12-02 07:32:10,283 INFO L125 PetriNetUnfolderBase]: For 16/17 co-relation queries the response was YES. [2024-12-02 07:32:10,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 902 conditions, 735 events. 79/735 cut-off events. For 16/17 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4010 event pairs, 74 based on Foata normal form. 0/657 useless extension candidates. Maximal degree in co-relation 884. Up to 143 conditions per place. [2024-12-02 07:32:10,286 INFO L140 encePairwiseOnDemand]: 253/256 looper letters, 16 selfloop transitions, 2 changer transitions 0/195 dead transitions. [2024-12-02 07:32:10,286 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 195 transitions, 444 flow [2024-12-02 07:32:10,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:32:10,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 07:32:10,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 637 transitions. [2024-12-02 07:32:10,288 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8294270833333334 [2024-12-02 07:32:10,288 INFO L175 Difference]: Start difference. First operand has 204 places, 196 transitions, 410 flow. Second operand 3 states and 637 transitions. [2024-12-02 07:32:10,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 195 transitions, 444 flow [2024-12-02 07:32:10,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 195 transitions, 434 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-12-02 07:32:10,290 INFO L231 Difference]: Finished difference. Result has 200 places, 195 transitions, 402 flow [2024-12-02 07:32:10,291 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=200, PETRI_TRANSITIONS=195} [2024-12-02 07:32:10,291 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -38 predicate places. [2024-12-02 07:32:10,291 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 195 transitions, 402 flow [2024-12-02 07:32:10,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:10,292 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:32:10,292 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] [2024-12-02 07:32:10,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 07:32:10,292 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-12-02 07:32:10,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:10,293 INFO L85 PathProgramCache]: Analyzing trace with hash 771359245, now seen corresponding path program 1 times [2024-12-02 07:32:10,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:32:10,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737406034] [2024-12-02 07:32:10,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:10,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:32:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:10,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:32:10,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:32:10,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737406034] [2024-12-02 07:32:10,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737406034] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:10,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:32:10,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:32:10,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123451536] [2024-12-02 07:32:10,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:10,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:32:10,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:32:10,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:32:10,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:32:10,341 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 256 [2024-12-02 07:32:10,342 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 195 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:10,342 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:32:10,342 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 256 [2024-12-02 07:32:10,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:32:10,440 INFO L124 PetriNetUnfolderBase]: 148/659 cut-off events. [2024-12-02 07:32:10,440 INFO L125 PetriNetUnfolderBase]: For 13/38 co-relation queries the response was YES. [2024-12-02 07:32:10,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 937 conditions, 659 events. 148/659 cut-off events. For 13/38 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3317 event pairs, 97 based on Foata normal form. 0/608 useless extension candidates. Maximal degree in co-relation 883. Up to 235 conditions per place. [2024-12-02 07:32:10,443 INFO L140 encePairwiseOnDemand]: 252/256 looper letters, 19 selfloop transitions, 2 changer transitions 0/198 dead transitions. [2024-12-02 07:32:10,444 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 198 transitions, 452 flow [2024-12-02 07:32:10,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:32:10,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 07:32:10,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 647 transitions. [2024-12-02 07:32:10,446 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8424479166666666 [2024-12-02 07:32:10,446 INFO L175 Difference]: Start difference. First operand has 200 places, 195 transitions, 402 flow. Second operand 3 states and 647 transitions. [2024-12-02 07:32:10,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 198 transitions, 452 flow [2024-12-02 07:32:10,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 198 transitions, 448 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 07:32:10,451 INFO L231 Difference]: Finished difference. Result has 199 places, 195 transitions, 408 flow [2024-12-02 07:32:10,451 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=408, PETRI_PLACES=199, PETRI_TRANSITIONS=195} [2024-12-02 07:32:10,451 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -39 predicate places. [2024-12-02 07:32:10,452 INFO L471 AbstractCegarLoop]: Abstraction has has 199 places, 195 transitions, 408 flow [2024-12-02 07:32:10,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:10,452 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:32:10,452 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, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:32:10,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 07:32:10,452 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-12-02 07:32:10,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:10,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1734395459, now seen corresponding path program 1 times [2024-12-02 07:32:10,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:32:10,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370734491] [2024-12-02 07:32:10,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:10,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:32:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:10,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:32:10,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:32:10,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370734491] [2024-12-02 07:32:10,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370734491] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:10,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:32:10,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:32:10,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632964186] [2024-12-02 07:32:10,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:10,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:32:10,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:32:10,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:32:10,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:32:10,510 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 256 [2024-12-02 07:32:10,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 195 transitions, 408 flow. Second operand has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:10,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:32:10,511 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 256 [2024-12-02 07:32:10,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:32:10,643 INFO L124 PetriNetUnfolderBase]: 129/874 cut-off events. [2024-12-02 07:32:10,643 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-12-02 07:32:10,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1133 conditions, 874 events. 129/874 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 5202 event pairs, 38 based on Foata normal form. 0/805 useless extension candidates. Maximal degree in co-relation 1080. Up to 198 conditions per place. [2024-12-02 07:32:10,647 INFO L140 encePairwiseOnDemand]: 251/256 looper letters, 21 selfloop transitions, 3 changer transitions 0/201 dead transitions. [2024-12-02 07:32:10,647 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 201 transitions, 470 flow [2024-12-02 07:32:10,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:32:10,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 07:32:10,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 650 transitions. [2024-12-02 07:32:10,649 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8463541666666666 [2024-12-02 07:32:10,649 INFO L175 Difference]: Start difference. First operand has 199 places, 195 transitions, 408 flow. Second operand 3 states and 650 transitions. [2024-12-02 07:32:10,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 201 transitions, 470 flow [2024-12-02 07:32:10,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 201 transitions, 470 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-12-02 07:32:10,653 INFO L231 Difference]: Finished difference. Result has 200 places, 196 transitions, 425 flow [2024-12-02 07:32:10,653 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=425, PETRI_PLACES=200, PETRI_TRANSITIONS=196} [2024-12-02 07:32:10,654 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -38 predicate places. [2024-12-02 07:32:10,654 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 196 transitions, 425 flow [2024-12-02 07:32:10,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:10,654 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:32:10,654 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:32:10,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 07:32:10,654 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-12-02 07:32:10,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:10,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1569427177, now seen corresponding path program 1 times [2024-12-02 07:32:10,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:32:10,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328381069] [2024-12-02 07:32:10,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:10,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:32:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:10,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:32:10,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:32:10,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328381069] [2024-12-02 07:32:10,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328381069] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:10,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:32:10,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:32:10,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092965671] [2024-12-02 07:32:10,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:10,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:32:10,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:32:10,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:32:10,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:32:10,764 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 256 [2024-12-02 07:32:10,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 196 transitions, 425 flow. Second operand has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:10,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:32:10,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 256 [2024-12-02 07:32:10,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:32:10,852 INFO L124 PetriNetUnfolderBase]: 42/608 cut-off events. [2024-12-02 07:32:10,852 INFO L125 PetriNetUnfolderBase]: For 28/31 co-relation queries the response was YES. [2024-12-02 07:32:10,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 762 conditions, 608 events. 42/608 cut-off events. For 28/31 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2729 event pairs, 16 based on Foata normal form. 7/573 useless extension candidates. Maximal degree in co-relation 705. Up to 60 conditions per place. [2024-12-02 07:32:10,854 INFO L140 encePairwiseOnDemand]: 252/256 looper letters, 18 selfloop transitions, 3 changer transitions 0/199 dead transitions. [2024-12-02 07:32:10,855 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 199 transitions, 472 flow [2024-12-02 07:32:10,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:32:10,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 07:32:10,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 655 transitions. [2024-12-02 07:32:10,857 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8528645833333334 [2024-12-02 07:32:10,857 INFO L175 Difference]: Start difference. First operand has 200 places, 196 transitions, 425 flow. Second operand 3 states and 655 transitions. [2024-12-02 07:32:10,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 199 transitions, 472 flow [2024-12-02 07:32:10,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 199 transitions, 472 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-12-02 07:32:10,860 INFO L231 Difference]: Finished difference. Result has 203 places, 195 transitions, 431 flow [2024-12-02 07:32:10,861 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=420, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=431, PETRI_PLACES=203, PETRI_TRANSITIONS=195} [2024-12-02 07:32:10,861 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -35 predicate places. [2024-12-02 07:32:10,861 INFO L471 AbstractCegarLoop]: Abstraction has has 203 places, 195 transitions, 431 flow [2024-12-02 07:32:10,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:10,862 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:32:10,862 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:32:10,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 07:32:10,862 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-12-02 07:32:10,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:10,863 INFO L85 PathProgramCache]: Analyzing trace with hash -679967550, now seen corresponding path program 1 times [2024-12-02 07:32:10,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:32:10,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73337323] [2024-12-02 07:32:10,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:10,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:32:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:10,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:32:10,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:32:10,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73337323] [2024-12-02 07:32:10,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73337323] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:10,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:32:10,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 07:32:10,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534703614] [2024-12-02 07:32:10,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:10,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:32:10,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:32:10,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:32:10,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:32:11,049 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 256 [2024-12-02 07:32:11,050 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 195 transitions, 431 flow. Second operand has 4 states, 4 states have (on average 213.25) internal successors, (853), 4 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:11,050 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:32:11,050 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 256 [2024-12-02 07:32:11,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:32:11,166 INFO L124 PetriNetUnfolderBase]: 31/366 cut-off events. [2024-12-02 07:32:11,166 INFO L125 PetriNetUnfolderBase]: For 50/53 co-relation queries the response was YES. [2024-12-02 07:32:11,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 517 conditions, 366 events. 31/366 cut-off events. For 50/53 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 935 event pairs, 8 based on Foata normal form. 9/354 useless extension candidates. Maximal degree in co-relation 458. Up to 24 conditions per place. [2024-12-02 07:32:11,168 INFO L140 encePairwiseOnDemand]: 252/256 looper letters, 18 selfloop transitions, 5 changer transitions 0/201 dead transitions. [2024-12-02 07:32:11,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 201 transitions, 493 flow [2024-12-02 07:32:11,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:32:11,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 07:32:11,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 868 transitions. [2024-12-02 07:32:11,172 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.84765625 [2024-12-02 07:32:11,172 INFO L175 Difference]: Start difference. First operand has 203 places, 195 transitions, 431 flow. Second operand 4 states and 868 transitions. [2024-12-02 07:32:11,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 201 transitions, 493 flow [2024-12-02 07:32:11,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 201 transitions, 486 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-12-02 07:32:11,178 INFO L231 Difference]: Finished difference. Result has 205 places, 195 transitions, 440 flow [2024-12-02 07:32:11,178 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=440, PETRI_PLACES=205, PETRI_TRANSITIONS=195} [2024-12-02 07:32:11,179 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -33 predicate places. [2024-12-02 07:32:11,179 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 195 transitions, 440 flow [2024-12-02 07:32:11,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 213.25) internal successors, (853), 4 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:11,180 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:32:11,180 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:32:11,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 07:32:11,180 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-12-02 07:32:11,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:11,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1912053513, now seen corresponding path program 1 times [2024-12-02 07:32:11,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:32:11,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281882408] [2024-12-02 07:32:11,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:11,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:32:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:11,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:32:11,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:32:11,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281882408] [2024-12-02 07:32:11,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281882408] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:11,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:32:11,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:32:11,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860928254] [2024-12-02 07:32:11,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:11,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 07:32:11,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:32:11,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 07:32:11,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:32:12,017 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 256 [2024-12-02 07:32:12,019 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 195 transitions, 440 flow. Second operand has 6 states, 6 states have (on average 203.5) internal successors, (1221), 6 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:12,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:32:12,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 256 [2024-12-02 07:32:12,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:32:12,136 INFO L124 PetriNetUnfolderBase]: 42/384 cut-off events. [2024-12-02 07:32:12,136 INFO L125 PetriNetUnfolderBase]: For 104/104 co-relation queries the response was YES. [2024-12-02 07:32:12,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 576 conditions, 384 events. 42/384 cut-off events. For 104/104 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1118 event pairs, 22 based on Foata normal form. 0/363 useless extension candidates. Maximal degree in co-relation 517. Up to 65 conditions per place. [2024-12-02 07:32:12,138 INFO L140 encePairwiseOnDemand]: 251/256 looper letters, 30 selfloop transitions, 4 changer transitions 0/202 dead transitions. [2024-12-02 07:32:12,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 202 transitions, 530 flow [2024-12-02 07:32:12,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:32:12,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-12-02 07:32:12,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1239 transitions. [2024-12-02 07:32:12,142 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.806640625 [2024-12-02 07:32:12,142 INFO L175 Difference]: Start difference. First operand has 205 places, 195 transitions, 440 flow. Second operand 6 states and 1239 transitions. [2024-12-02 07:32:12,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 202 transitions, 530 flow [2024-12-02 07:32:12,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 202 transitions, 518 flow, removed 2 selfloop flow, removed 3 redundant places. [2024-12-02 07:32:12,153 INFO L231 Difference]: Finished difference. Result has 206 places, 194 transitions, 434 flow [2024-12-02 07:32:12,153 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=426, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=434, PETRI_PLACES=206, PETRI_TRANSITIONS=194} [2024-12-02 07:32:12,153 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -32 predicate places. [2024-12-02 07:32:12,154 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 194 transitions, 434 flow [2024-12-02 07:32:12,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 203.5) internal successors, (1221), 6 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:12,154 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:32:12,155 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:32:12,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 07:32:12,155 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-12-02 07:32:12,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:12,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1331004157, now seen corresponding path program 1 times [2024-12-02 07:32:12,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:32:12,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035923415] [2024-12-02 07:32:12,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:12,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:32:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:12,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:32:12,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:32:12,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035923415] [2024-12-02 07:32:12,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035923415] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:12,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:32:12,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:32:12,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547843287] [2024-12-02 07:32:12,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:12,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 07:32:12,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:32:12,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 07:32:12,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:32:12,909 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 256 [2024-12-02 07:32:12,911 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 194 transitions, 434 flow. Second operand has 6 states, 6 states have (on average 203.5) internal successors, (1221), 6 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:12,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:32:12,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 256 [2024-12-02 07:32:12,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:32:13,030 INFO L124 PetriNetUnfolderBase]: 42/371 cut-off events. [2024-12-02 07:32:13,030 INFO L125 PetriNetUnfolderBase]: For 62/62 co-relation queries the response was YES. [2024-12-02 07:32:13,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 549 conditions, 371 events. 42/371 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1070 event pairs, 22 based on Foata normal form. 0/353 useless extension candidates. Maximal degree in co-relation 490. Up to 65 conditions per place. [2024-12-02 07:32:13,032 INFO L140 encePairwiseOnDemand]: 251/256 looper letters, 30 selfloop transitions, 4 changer transitions 0/201 dead transitions. [2024-12-02 07:32:13,032 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 201 transitions, 524 flow [2024-12-02 07:32:13,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:32:13,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-12-02 07:32:13,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1239 transitions. [2024-12-02 07:32:13,035 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.806640625 [2024-12-02 07:32:13,036 INFO L175 Difference]: Start difference. First operand has 206 places, 194 transitions, 434 flow. Second operand 6 states and 1239 transitions. [2024-12-02 07:32:13,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 201 transitions, 524 flow [2024-12-02 07:32:13,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 201 transitions, 517 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-12-02 07:32:13,039 INFO L231 Difference]: Finished difference. Result has 206 places, 193 transitions, 433 flow [2024-12-02 07:32:13,040 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=425, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=433, PETRI_PLACES=206, PETRI_TRANSITIONS=193} [2024-12-02 07:32:13,040 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -32 predicate places. [2024-12-02 07:32:13,040 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 193 transitions, 433 flow [2024-12-02 07:32:13,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 203.5) internal successors, (1221), 6 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:13,041 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:32:13,041 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:32:13,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 07:32:13,041 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread3Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-12-02 07:32:13,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:13,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1275727372, now seen corresponding path program 1 times [2024-12-02 07:32:13,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:32:13,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65699998] [2024-12-02 07:32:13,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:13,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:32:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:13,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:32:13,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:32:13,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65699998] [2024-12-02 07:32:13,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65699998] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:13,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:32:13,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:32:13,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800561559] [2024-12-02 07:32:13,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:13,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:32:13,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:32:13,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:32:13,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:32:13,127 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 256 [2024-12-02 07:32:13,128 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 193 transitions, 433 flow. Second operand has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:13,128 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:32:13,128 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 256 [2024-12-02 07:32:13,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:32:13,216 INFO L124 PetriNetUnfolderBase]: 40/360 cut-off events. [2024-12-02 07:32:13,216 INFO L125 PetriNetUnfolderBase]: For 60/60 co-relation queries the response was YES. [2024-12-02 07:32:13,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 528 conditions, 360 events. 40/360 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1023 event pairs, 26 based on Foata normal form. 0/345 useless extension candidates. Maximal degree in co-relation 472. Up to 69 conditions per place. [2024-12-02 07:32:13,218 INFO L140 encePairwiseOnDemand]: 253/256 looper letters, 18 selfloop transitions, 2 changer transitions 0/194 dead transitions. [2024-12-02 07:32:13,218 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 194 transitions, 477 flow [2024-12-02 07:32:13,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:32:13,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 07:32:13,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 646 transitions. [2024-12-02 07:32:13,221 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8411458333333334 [2024-12-02 07:32:13,221 INFO L175 Difference]: Start difference. First operand has 206 places, 193 transitions, 433 flow. Second operand 3 states and 646 transitions. [2024-12-02 07:32:13,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 194 transitions, 477 flow [2024-12-02 07:32:13,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 194 transitions, 470 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-12-02 07:32:13,226 INFO L231 Difference]: Finished difference. Result has 203 places, 192 transitions, 428 flow [2024-12-02 07:32:13,226 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=428, PETRI_PLACES=203, PETRI_TRANSITIONS=192} [2024-12-02 07:32:13,226 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -35 predicate places. [2024-12-02 07:32:13,226 INFO L471 AbstractCegarLoop]: Abstraction has has 203 places, 192 transitions, 428 flow [2024-12-02 07:32:13,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:13,227 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 07:32:13,227 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:32:13,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 07:32:13,227 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-12-02 07:32:13,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:13,228 INFO L85 PathProgramCache]: Analyzing trace with hash -488126877, now seen corresponding path program 1 times [2024-12-02 07:32:13,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:32:13,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453249345] [2024-12-02 07:32:13,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:13,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:32:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:13,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:32:13,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:32:13,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453249345] [2024-12-02 07:32:13,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453249345] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:13,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:32:13,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:32:13,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393766123] [2024-12-02 07:32:13,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:13,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:32:13,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:32:13,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:32:13,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:32:13,348 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 256 [2024-12-02 07:32:13,349 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 192 transitions, 428 flow. Second operand has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:13,349 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 07:32:13,349 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 256 [2024-12-02 07:32:13,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 07:32:13,407 INFO L124 PetriNetUnfolderBase]: 34/346 cut-off events. [2024-12-02 07:32:13,407 INFO L125 PetriNetUnfolderBase]: For 57/58 co-relation queries the response was YES. [2024-12-02 07:32:13,408 INFO L83 FinitePrefix]: Finished finitePrefix Result has 498 conditions, 346 events. 34/346 cut-off events. For 57/58 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 957 event pairs, 24 based on Foata normal form. 1/332 useless extension candidates. Maximal degree in co-relation 461. Up to 63 conditions per place. [2024-12-02 07:32:13,409 INFO L140 encePairwiseOnDemand]: 254/256 looper letters, 0 selfloop transitions, 0 changer transitions 191/191 dead transitions. [2024-12-02 07:32:13,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 191 transitions, 456 flow [2024-12-02 07:32:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:32:13,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 07:32:13,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 647 transitions. [2024-12-02 07:32:13,411 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8424479166666666 [2024-12-02 07:32:13,411 INFO L175 Difference]: Start difference. First operand has 203 places, 192 transitions, 428 flow. Second operand 3 states and 647 transitions. [2024-12-02 07:32:13,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 191 transitions, 456 flow [2024-12-02 07:32:13,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 191 transitions, 452 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 07:32:13,413 INFO L231 Difference]: Finished difference. Result has 202 places, 0 transitions, 0 flow [2024-12-02 07:32:13,414 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=422, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=202, PETRI_TRANSITIONS=0} [2024-12-02 07:32:13,414 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -36 predicate places. [2024-12-02 07:32:13,414 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 0 transitions, 0 flow [2024-12-02 07:32:13,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:32:13,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (76 of 77 remaining) [2024-12-02 07:32:13,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (75 of 77 remaining) [2024-12-02 07:32:13,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (74 of 77 remaining) [2024-12-02 07:32:13,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (73 of 77 remaining) [2024-12-02 07:32:13,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (72 of 77 remaining) [2024-12-02 07:32:13,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (71 of 77 remaining) [2024-12-02 07:32:13,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (70 of 77 remaining) [2024-12-02 07:32:13,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (69 of 77 remaining) [2024-12-02 07:32:13,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (68 of 77 remaining) [2024-12-02 07:32:13,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (67 of 77 remaining) [2024-12-02 07:32:13,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (66 of 77 remaining) [2024-12-02 07:32:13,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (65 of 77 remaining) [2024-12-02 07:32:13,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (64 of 77 remaining) [2024-12-02 07:32:13,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (63 of 77 remaining) [2024-12-02 07:32:13,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (62 of 77 remaining) [2024-12-02 07:32:13,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (61 of 77 remaining) [2024-12-02 07:32:13,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (60 of 77 remaining) [2024-12-02 07:32:13,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (59 of 77 remaining) [2024-12-02 07:32:13,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (58 of 77 remaining) [2024-12-02 07:32:13,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (57 of 77 remaining) [2024-12-02 07:32:13,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (56 of 77 remaining) [2024-12-02 07:32:13,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (55 of 77 remaining) [2024-12-02 07:32:13,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (54 of 77 remaining) [2024-12-02 07:32:13,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (53 of 77 remaining) [2024-12-02 07:32:13,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (52 of 77 remaining) [2024-12-02 07:32:13,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (51 of 77 remaining) [2024-12-02 07:32:13,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (50 of 77 remaining) [2024-12-02 07:32:13,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (49 of 77 remaining) [2024-12-02 07:32:13,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (48 of 77 remaining) [2024-12-02 07:32:13,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (47 of 77 remaining) [2024-12-02 07:32:13,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (46 of 77 remaining) [2024-12-02 07:32:13,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (45 of 77 remaining) [2024-12-02 07:32:13,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (44 of 77 remaining) [2024-12-02 07:32:13,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (43 of 77 remaining) [2024-12-02 07:32:13,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (42 of 77 remaining) [2024-12-02 07:32:13,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (41 of 77 remaining) [2024-12-02 07:32:13,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (40 of 77 remaining) [2024-12-02 07:32:13,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (39 of 77 remaining) [2024-12-02 07:32:13,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (38 of 77 remaining) [2024-12-02 07:32:13,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (37 of 77 remaining) [2024-12-02 07:32:13,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (36 of 77 remaining) [2024-12-02 07:32:13,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (35 of 77 remaining) [2024-12-02 07:32:13,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 77 remaining) [2024-12-02 07:32:13,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 77 remaining) [2024-12-02 07:32:13,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 77 remaining) [2024-12-02 07:32:13,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 77 remaining) [2024-12-02 07:32:13,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 77 remaining) [2024-12-02 07:32:13,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (29 of 77 remaining) [2024-12-02 07:32:13,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (28 of 77 remaining) [2024-12-02 07:32:13,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (27 of 77 remaining) [2024-12-02 07:32:13,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (26 of 77 remaining) [2024-12-02 07:32:13,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (25 of 77 remaining) [2024-12-02 07:32:13,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (24 of 77 remaining) [2024-12-02 07:32:13,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (23 of 77 remaining) [2024-12-02 07:32:13,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 77 remaining) [2024-12-02 07:32:13,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 77 remaining) [2024-12-02 07:32:13,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (20 of 77 remaining) [2024-12-02 07:32:13,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (19 of 77 remaining) [2024-12-02 07:32:13,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (18 of 77 remaining) [2024-12-02 07:32:13,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (17 of 77 remaining) [2024-12-02 07:32:13,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (16 of 77 remaining) [2024-12-02 07:32:13,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (15 of 77 remaining) [2024-12-02 07:32:13,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (14 of 77 remaining) [2024-12-02 07:32:13,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (13 of 77 remaining) [2024-12-02 07:32:13,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (12 of 77 remaining) [2024-12-02 07:32:13,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 77 remaining) [2024-12-02 07:32:13,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (10 of 77 remaining) [2024-12-02 07:32:13,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (9 of 77 remaining) [2024-12-02 07:32:13,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (8 of 77 remaining) [2024-12-02 07:32:13,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (7 of 77 remaining) [2024-12-02 07:32:13,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (6 of 77 remaining) [2024-12-02 07:32:13,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (5 of 77 remaining) [2024-12-02 07:32:13,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (4 of 77 remaining) [2024-12-02 07:32:13,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (3 of 77 remaining) [2024-12-02 07:32:13,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (2 of 77 remaining) [2024-12-02 07:32:13,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (1 of 77 remaining) [2024-12-02 07:32:13,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (0 of 77 remaining) [2024-12-02 07:32:13,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 07:32:13,422 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:32:13,428 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 07:32:13,428 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 07:32:13,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:32:13 BasicIcfg [2024-12-02 07:32:13,433 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 07:32:13,434 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 07:32:13,434 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 07:32:13,434 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 07:32:13,435 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:32:07" (3/4) ... [2024-12-02 07:32:13,436 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 07:32:13,438 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-12-02 07:32:13,438 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-12-02 07:32:13,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-12-02 07:32:13,443 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-12-02 07:32:13,443 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 07:32:13,443 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 07:32:13,444 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 07:32:13,518 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf1b1ae-efba-43e6-8ca0-9589a8f74e43/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 07:32:13,518 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf1b1ae-efba-43e6-8ca0-9589a8f74e43/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 07:32:13,518 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 07:32:13,519 INFO L158 Benchmark]: Toolchain (without parser) took 7277.42ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 92.4MB in the beginning and 184.9MB in the end (delta: -92.5MB). Peak memory consumption was 88.3MB. Max. memory is 16.1GB. [2024-12-02 07:32:13,519 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:32:13,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.22ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.3MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 07:32:13,520 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.39ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 77.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:32:13,520 INFO L158 Benchmark]: Boogie Preprocessor took 35.18ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 74.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:32:13,520 INFO L158 Benchmark]: RCFGBuilder took 890.17ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 64.1MB in the end (delta: 10.8MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-12-02 07:32:13,520 INFO L158 Benchmark]: TraceAbstraction took 5991.22ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 63.6MB in the beginning and 190.5MB in the end (delta: -126.9MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-12-02 07:32:13,521 INFO L158 Benchmark]: Witness Printer took 84.54ms. Allocated memory is still 302.0MB. Free memory was 190.5MB in the beginning and 184.9MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:32:13,522 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.22ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.3MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.39ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 77.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.18ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 74.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 890.17ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 64.1MB in the end (delta: 10.8MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5991.22ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 63.6MB in the beginning and 190.5MB in the end (delta: -126.9MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Witness Printer took 84.54ms. Allocated memory is still 302.0MB. Free memory was 190.5MB in the beginning and 184.9MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: 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: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: 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 7 procedures, 345 locations, 77 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: 5.8s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 475 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 252 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 999 IncrementalHoareTripleChecker+Invalid, 1082 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 57 mSDtfsCounter, 999 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=490occurred in iteration=0, InterpolantAutomatonStates: 61, 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, 2.4s InterpolantComputationTime, 1507 NumberOfCodeBlocks, 1507 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1490 ConstructedInterpolants, 0 QuantifiedInterpolants, 2107 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 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 42 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 07:32:13,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcf1b1ae-efba-43e6-8ca0-9589a8f74e43/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE