./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled.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_fe479d81-51b6-4101-8ebe-d733c99ebc21/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe479d81-51b6-4101-8ebe-d733c99ebc21/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe479d81-51b6-4101-8ebe-d733c99ebc21/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe479d81-51b6-4101-8ebe-d733c99ebc21/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe479d81-51b6-4101-8ebe-d733c99ebc21/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe479d81-51b6-4101-8ebe-d733c99ebc21/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b21640b39ce7bcc8ee8415d7ec787ca73953d49130bebf43478653d490e2460 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:36:58,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:36:58,780 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe479d81-51b6-4101-8ebe-d733c99ebc21/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 02:36:58,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:36:58,790 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:36:58,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:36:58,838 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:36:58,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:36:58,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:36:58,840 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:36:58,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:36:58,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:36:58,841 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:36:58,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:36:58,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:36:58,842 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:36:58,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:36:58,843 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:36:58,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:36:58,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:36:58,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:36:58,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:36:58,846 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 02:36:58,846 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:36:58,846 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:36:58,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:36:58,846 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:36:58,846 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:36:58,847 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:36:58,847 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:36:58,847 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:36:58,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:36:58,847 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:36:58,847 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:36:58,847 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:36:58,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:36:58,848 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:36:58,848 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:36:58,848 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:36:58,848 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:36:58,848 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:36:58,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:36:58,848 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:36:58,848 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:36:58,848 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:36:58,848 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:36:58,848 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_fe479d81-51b6-4101-8ebe-d733c99ebc21/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b21640b39ce7bcc8ee8415d7ec787ca73953d49130bebf43478653d490e2460 [2024-11-28 02:36:59,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:36:59,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:36:59,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:36:59,248 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:36:59,250 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:36:59,254 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe479d81-51b6-4101-8ebe-d733c99ebc21/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c [2024-11-28 02:37:02,575 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe479d81-51b6-4101-8ebe-d733c99ebc21/bin/uautomizer-verify-aQ6SnzHsRB/data/ea5c52e22/b50973b1c0124ecfa6c2ff8ea1e980ae/FLAG5dc497625 [2024-11-28 02:37:02,824 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:37:02,825 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe479d81-51b6-4101-8ebe-d733c99ebc21/sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c [2024-11-28 02:37:02,837 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe479d81-51b6-4101-8ebe-d733c99ebc21/bin/uautomizer-verify-aQ6SnzHsRB/data/ea5c52e22/b50973b1c0124ecfa6c2ff8ea1e980ae/FLAG5dc497625 [2024-11-28 02:37:02,865 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe479d81-51b6-4101-8ebe-d733c99ebc21/bin/uautomizer-verify-aQ6SnzHsRB/data/ea5c52e22/b50973b1c0124ecfa6c2ff8ea1e980ae [2024-11-28 02:37:02,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:37:02,870 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:37:02,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:37:02,873 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:37:02,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:37:02,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:37:02" (1/1) ... [2024-11-28 02:37:02,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42cb7d71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:02, skipping insertion in model container [2024-11-28 02:37:02,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:37:02" (1/1) ... [2024-11-28 02:37:02,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:37:03,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:37:03,128 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:37:03,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:37:03,180 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:37:03,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:03 WrapperNode [2024-11-28 02:37:03,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:37:03,183 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:37:03,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:37:03,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:37:03,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:03" (1/1) ... [2024-11-28 02:37:03,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:03" (1/1) ... [2024-11-28 02:37:03,225 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2024-11-28 02:37:03,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:37:03,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:37:03,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:37:03,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:37:03,235 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:03" (1/1) ... [2024-11-28 02:37:03,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:03" (1/1) ... [2024-11-28 02:37:03,238 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:03" (1/1) ... [2024-11-28 02:37:03,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:03" (1/1) ... [2024-11-28 02:37:03,247 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:03" (1/1) ... [2024-11-28 02:37:03,252 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:03" (1/1) ... [2024-11-28 02:37:03,255 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:03" (1/1) ... [2024-11-28 02:37:03,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:03" (1/1) ... [2024-11-28 02:37:03,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:03" (1/1) ... [2024-11-28 02:37:03,262 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:37:03,266 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:37:03,267 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:37:03,267 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:37:03,268 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:03" (1/1) ... [2024-11-28 02:37:03,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:37:03,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe479d81-51b6-4101-8ebe-d733c99ebc21/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:37:03,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe479d81-51b6-4101-8ebe-d733c99ebc21/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:37:03,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe479d81-51b6-4101-8ebe-d733c99ebc21/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:37:03,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:37:03,339 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 02:37:03,339 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 02:37:03,339 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 02:37:03,339 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 02:37:03,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:37:03,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:37:03,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:37:03,341 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 02:37:03,436 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:37:03,438 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:37:03,740 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:37:03,740 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:37:03,772 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:37:03,774 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:37:03,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:37:03 BoogieIcfgContainer [2024-11-28 02:37:03,775 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:37:03,779 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:37:03,780 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:37:03,785 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:37:03,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:37:02" (1/3) ... [2024-11-28 02:37:03,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b5818f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:37:03, skipping insertion in model container [2024-11-28 02:37:03,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:03" (2/3) ... [2024-11-28 02:37:03,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b5818f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:37:03, skipping insertion in model container [2024-11-28 02:37:03,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:37:03" (3/3) ... [2024-11-28 02:37:03,788 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled.wvr.c [2024-11-28 02:37:03,805 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:37:03,806 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-misc-2-unrolled.wvr.c that has 3 procedures, 160 locations, 1 initial locations, 2 loop locations, and 17 error locations. [2024-11-28 02:37:03,807 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:37:03,961 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 02:37:04,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 166 places, 166 transitions, 346 flow [2024-11-28 02:37:04,149 INFO L124 PetriNetUnfolderBase]: 7/164 cut-off events. [2024-11-28 02:37:04,154 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 02:37:04,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 164 events. 7/164 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 245 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 109. Up to 2 conditions per place. [2024-11-28 02:37:04,162 INFO L82 GeneralOperation]: Start removeDead. Operand has 166 places, 166 transitions, 346 flow [2024-11-28 02:37:04,170 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 148 places, 147 transitions, 303 flow [2024-11-28 02:37:04,180 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:37:04,202 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;@1aa0c0a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:37:04,203 INFO L334 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2024-11-28 02:37:04,217 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:37:04,217 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-28 02:37:04,217 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:37:04,218 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:37:04,218 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:37:04,219 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-28 02:37:04,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:37:04,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1721127835, now seen corresponding path program 1 times [2024-11-28 02:37:04,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:37:04,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341998446] [2024-11-28 02:37:04,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:37:04,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:37:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:37:04,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:37:04,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:37:04,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341998446] [2024-11-28 02:37:04,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341998446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:37:04,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:37:04,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:37:04,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229236480] [2024-11-28 02:37:04,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:37:04,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:37:04,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:37:04,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:37:04,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:37:04,548 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 166 [2024-11-28 02:37:04,553 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 147 transitions, 303 flow. Second operand has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:37:04,553 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:37:04,554 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 166 [2024-11-28 02:37:04,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:37:04,664 INFO L124 PetriNetUnfolderBase]: 11/187 cut-off events. [2024-11-28 02:37:04,664 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-28 02:37:04,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 241 conditions, 187 events. 11/187 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 431 event pairs, 7 based on Foata normal form. 10/169 useless extension candidates. Maximal degree in co-relation 163. Up to 30 conditions per place. [2024-11-28 02:37:04,670 INFO L140 encePairwiseOnDemand]: 160/166 looper letters, 14 selfloop transitions, 2 changer transitions 1/143 dead transitions. [2024-11-28 02:37:04,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 143 transitions, 327 flow [2024-11-28 02:37:04,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:37:04,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:37:04,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 446 transitions. [2024-11-28 02:37:04,691 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8955823293172691 [2024-11-28 02:37:04,692 INFO L175 Difference]: Start difference. First operand has 148 places, 147 transitions, 303 flow. Second operand 3 states and 446 transitions. [2024-11-28 02:37:04,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 143 transitions, 327 flow [2024-11-28 02:37:04,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 143 transitions, 322 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-28 02:37:04,706 INFO L231 Difference]: Finished difference. Result has 146 places, 142 transitions, 292 flow [2024-11-28 02:37:04,710 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=292, PETRI_PLACES=146, PETRI_TRANSITIONS=142} [2024-11-28 02:37:04,714 INFO L279 CegarLoopForPetriNet]: 148 programPoint places, -2 predicate places. [2024-11-28 02:37:04,715 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 142 transitions, 292 flow [2024-11-28 02:37:04,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:37:04,715 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:37:04,716 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] [2024-11-28 02:37:04,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:37:04,716 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-28 02:37:04,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:37:04,720 INFO L85 PathProgramCache]: Analyzing trace with hash -436424367, now seen corresponding path program 1 times [2024-11-28 02:37:04,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:37:04,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100239739] [2024-11-28 02:37:04,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:37:04,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:37:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:37:04,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:37:04,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:37:04,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100239739] [2024-11-28 02:37:04,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100239739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:37:04,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:37:04,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:37:04,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083820609] [2024-11-28 02:37:04,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:37:04,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:37:04,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:37:04,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:37:04,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:37:04,913 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 166 [2024-11-28 02:37:04,914 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 142 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:37:04,914 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:37:04,914 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 166 [2024-11-28 02:37:04,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:37:05,020 INFO L124 PetriNetUnfolderBase]: 23/269 cut-off events. [2024-11-28 02:37:05,020 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-28 02:37:05,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 332 conditions, 269 events. 23/269 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 989 event pairs, 17 based on Foata normal form. 0/228 useless extension candidates. Maximal degree in co-relation 302. Up to 50 conditions per place. [2024-11-28 02:37:05,026 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 14 selfloop transitions, 2 changer transitions 0/141 dead transitions. [2024-11-28 02:37:05,026 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 141 transitions, 322 flow [2024-11-28 02:37:05,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:37:05,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:37:05,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 443 transitions. [2024-11-28 02:37:05,030 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8895582329317269 [2024-11-28 02:37:05,030 INFO L175 Difference]: Start difference. First operand has 146 places, 142 transitions, 292 flow. Second operand 3 states and 443 transitions. [2024-11-28 02:37:05,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 141 transitions, 322 flow [2024-11-28 02:37:05,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 141 transitions, 318 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:37:05,037 INFO L231 Difference]: Finished difference. Result has 144 places, 141 transitions, 290 flow [2024-11-28 02:37:05,038 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=290, PETRI_PLACES=144, PETRI_TRANSITIONS=141} [2024-11-28 02:37:05,039 INFO L279 CegarLoopForPetriNet]: 148 programPoint places, -4 predicate places. [2024-11-28 02:37:05,040 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 141 transitions, 290 flow [2024-11-28 02:37:05,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:37:05,040 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:37:05,041 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] [2024-11-28 02:37:05,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:37:05,041 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-28 02:37:05,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:37:05,043 INFO L85 PathProgramCache]: Analyzing trace with hash -432495734, now seen corresponding path program 1 times [2024-11-28 02:37:05,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:37:05,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436404111] [2024-11-28 02:37:05,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:37:05,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:37:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:37:05,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:37:05,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:37:05,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436404111] [2024-11-28 02:37:05,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436404111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:37:05,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:37:05,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:37:05,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849237005] [2024-11-28 02:37:05,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:37:05,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:37:05,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:37:05,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:37:05,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:37:05,173 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 166 [2024-11-28 02:37:05,174 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 141 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:37:05,174 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:37:05,174 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 166 [2024-11-28 02:37:05,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:37:05,239 INFO L124 PetriNetUnfolderBase]: 12/222 cut-off events. [2024-11-28 02:37:05,239 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 02:37:05,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 264 conditions, 222 events. 12/222 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 571 event pairs, 7 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 227. Up to 27 conditions per place. [2024-11-28 02:37:05,244 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 10 selfloop transitions, 2 changer transitions 0/140 dead transitions. [2024-11-28 02:37:05,244 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 140 transitions, 312 flow [2024-11-28 02:37:05,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:37:05,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:37:05,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 451 transitions. [2024-11-28 02:37:05,247 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9056224899598394 [2024-11-28 02:37:05,247 INFO L175 Difference]: Start difference. First operand has 144 places, 141 transitions, 290 flow. Second operand 3 states and 451 transitions. [2024-11-28 02:37:05,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 140 transitions, 312 flow [2024-11-28 02:37:05,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 140 transitions, 308 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:37:05,253 INFO L231 Difference]: Finished difference. Result has 143 places, 140 transitions, 288 flow [2024-11-28 02:37:05,255 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=143, PETRI_TRANSITIONS=140} [2024-11-28 02:37:05,256 INFO L279 CegarLoopForPetriNet]: 148 programPoint places, -5 predicate places. [2024-11-28 02:37:05,257 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 140 transitions, 288 flow [2024-11-28 02:37:05,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:37:05,259 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:37:05,259 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] [2024-11-28 02:37:05,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:37:05,259 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-28 02:37:05,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:37:05,260 INFO L85 PathProgramCache]: Analyzing trace with hash 190731625, now seen corresponding path program 1 times [2024-11-28 02:37:05,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:37:05,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574864495] [2024-11-28 02:37:05,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:37:05,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:37:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:37:05,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:37:05,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:37:05,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574864495] [2024-11-28 02:37:05,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574864495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:37:05,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:37:05,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:37:05,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934646741] [2024-11-28 02:37:05,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:37:05,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:37:05,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:37:05,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:37:05,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:37:05,393 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 166 [2024-11-28 02:37:05,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 140 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:37:05,394 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:37:05,395 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 166 [2024-11-28 02:37:05,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:37:05,447 INFO L124 PetriNetUnfolderBase]: 14/181 cut-off events. [2024-11-28 02:37:05,447 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 02:37:05,449 INFO L83 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 181 events. 14/181 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 439 event pairs, 7 based on Foata normal form. 0/162 useless extension candidates. Maximal degree in co-relation 203. Up to 28 conditions per place. [2024-11-28 02:37:05,492 INFO L140 encePairwiseOnDemand]: 157/166 looper letters, 13 selfloop transitions, 5 changer transitions 0/138 dead transitions. [2024-11-28 02:37:05,492 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 138 transitions, 322 flow [2024-11-28 02:37:05,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:37:05,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:37:05,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 442 transitions. [2024-11-28 02:37:05,497 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8875502008032129 [2024-11-28 02:37:05,497 INFO L175 Difference]: Start difference. First operand has 143 places, 140 transitions, 288 flow. Second operand 3 states and 442 transitions. [2024-11-28 02:37:05,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 138 transitions, 322 flow [2024-11-28 02:37:05,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 138 transitions, 318 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:37:05,504 INFO L231 Difference]: Finished difference. Result has 140 places, 137 transitions, 295 flow [2024-11-28 02:37:05,505 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=295, PETRI_PLACES=140, PETRI_TRANSITIONS=137} [2024-11-28 02:37:05,506 INFO L279 CegarLoopForPetriNet]: 148 programPoint places, -8 predicate places. [2024-11-28 02:37:05,507 INFO L471 AbstractCegarLoop]: Abstraction has has 140 places, 137 transitions, 295 flow [2024-11-28 02:37:05,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:37:05,508 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:37:05,508 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] [2024-11-28 02:37:05,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:37:05,508 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-28 02:37:05,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:37:05,510 INFO L85 PathProgramCache]: Analyzing trace with hash -529649843, now seen corresponding path program 1 times [2024-11-28 02:37:05,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:37:05,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303007916] [2024-11-28 02:37:05,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:37:05,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:37:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:37:05,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:37:05,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:37:05,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303007916] [2024-11-28 02:37:05,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303007916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:37:05,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:37:05,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:37:05,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628673699] [2024-11-28 02:37:05,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:37:05,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:37:05,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:37:05,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:37:05,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:37:05,654 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 166 [2024-11-28 02:37:05,655 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 137 transitions, 295 flow. Second operand has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:37:05,657 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:37:05,657 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 166 [2024-11-28 02:37:05,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:37:05,755 INFO L124 PetriNetUnfolderBase]: 38/331 cut-off events. [2024-11-28 02:37:05,755 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-28 02:37:05,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 446 conditions, 331 events. 38/331 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1457 event pairs, 10 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 276. Up to 58 conditions per place. [2024-11-28 02:37:05,758 INFO L140 encePairwiseOnDemand]: 157/166 looper letters, 17 selfloop transitions, 5 changer transitions 0/139 dead transitions. [2024-11-28 02:37:05,758 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 139 transitions, 347 flow [2024-11-28 02:37:05,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:37:05,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:37:05,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 446 transitions. [2024-11-28 02:37:05,760 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8955823293172691 [2024-11-28 02:37:05,760 INFO L175 Difference]: Start difference. First operand has 140 places, 137 transitions, 295 flow. Second operand 3 states and 446 transitions. [2024-11-28 02:37:05,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 139 transitions, 347 flow [2024-11-28 02:37:05,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 139 transitions, 342 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:37:05,764 INFO L231 Difference]: Finished difference. Result has 138 places, 134 transitions, 301 flow [2024-11-28 02:37:05,765 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=301, PETRI_PLACES=138, PETRI_TRANSITIONS=134} [2024-11-28 02:37:05,765 INFO L279 CegarLoopForPetriNet]: 148 programPoint places, -10 predicate places. [2024-11-28 02:37:05,765 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 134 transitions, 301 flow [2024-11-28 02:37:05,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:37:05,766 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:37:05,766 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:37:05,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:37:05,767 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-28 02:37:05,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:37:05,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1559106136, now seen corresponding path program 1 times [2024-11-28 02:37:05,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:37:05,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123433709] [2024-11-28 02:37:05,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:37:05,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:37:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:37:05,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:37:05,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:37:05,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123433709] [2024-11-28 02:37:05,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123433709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:37:05,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:37:05,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:37:05,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481938267] [2024-11-28 02:37:05,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:37:05,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:37:05,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:37:05,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:37:05,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:37:05,880 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 166 [2024-11-28 02:37:05,881 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 134 transitions, 301 flow. Second operand has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:37:05,881 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:37:05,881 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 166 [2024-11-28 02:37:05,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:37:05,968 INFO L124 PetriNetUnfolderBase]: 31/463 cut-off events. [2024-11-28 02:37:05,968 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-28 02:37:05,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 618 conditions, 463 events. 31/463 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2178 event pairs, 8 based on Foata normal form. 0/424 useless extension candidates. Maximal degree in co-relation 351. Up to 60 conditions per place. [2024-11-28 02:37:05,972 INFO L140 encePairwiseOnDemand]: 162/166 looper letters, 11 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2024-11-28 02:37:05,972 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 135 transitions, 331 flow [2024-11-28 02:37:05,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:37:05,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:37:05,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 459 transitions. [2024-11-28 02:37:05,975 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9216867469879518 [2024-11-28 02:37:05,975 INFO L175 Difference]: Start difference. First operand has 138 places, 134 transitions, 301 flow. Second operand 3 states and 459 transitions. [2024-11-28 02:37:05,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 135 transitions, 331 flow [2024-11-28 02:37:05,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 135 transitions, 326 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:37:05,979 INFO L231 Difference]: Finished difference. Result has 138 places, 134 transitions, 306 flow [2024-11-28 02:37:05,979 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=138, PETRI_TRANSITIONS=134} [2024-11-28 02:37:05,980 INFO L279 CegarLoopForPetriNet]: 148 programPoint places, -10 predicate places. [2024-11-28 02:37:05,980 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 134 transitions, 306 flow [2024-11-28 02:37:05,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:37:05,981 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:37:05,981 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] [2024-11-28 02:37:05,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:37:05,981 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-28 02:37:05,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:37:05,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1239103663, now seen corresponding path program 1 times [2024-11-28 02:37:05,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:37:05,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333163095] [2024-11-28 02:37:05,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:37:05,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:37:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:37:06,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:37:06,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:37:06,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333163095] [2024-11-28 02:37:06,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333163095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:37:06,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:37:06,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:37:06,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325479074] [2024-11-28 02:37:06,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:37:06,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:37:06,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:37:06,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:37:06,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:37:06,177 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 166 [2024-11-28 02:37:06,178 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 134 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 147.0) internal successors, (441), 3 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:37:06,178 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:37:06,178 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 166 [2024-11-28 02:37:06,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:37:06,275 INFO L124 PetriNetUnfolderBase]: 31/315 cut-off events. [2024-11-28 02:37:06,276 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-28 02:37:06,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 495 conditions, 315 events. 31/315 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1249 event pairs, 18 based on Foata normal form. 0/297 useless extension candidates. Maximal degree in co-relation 224. Up to 63 conditions per place. [2024-11-28 02:37:06,278 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 15 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2024-11-28 02:37:06,278 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 134 transitions, 342 flow [2024-11-28 02:37:06,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:37:06,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:37:06,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 449 transitions. [2024-11-28 02:37:06,287 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9016064257028112 [2024-11-28 02:37:06,287 INFO L175 Difference]: Start difference. First operand has 138 places, 134 transitions, 306 flow. Second operand 3 states and 449 transitions. [2024-11-28 02:37:06,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 134 transitions, 342 flow [2024-11-28 02:37:06,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 134 transitions, 342 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:37:06,290 INFO L231 Difference]: Finished difference. Result has 139 places, 133 transitions, 308 flow [2024-11-28 02:37:06,290 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=308, PETRI_PLACES=139, PETRI_TRANSITIONS=133} [2024-11-28 02:37:06,291 INFO L279 CegarLoopForPetriNet]: 148 programPoint places, -9 predicate places. [2024-11-28 02:37:06,291 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 133 transitions, 308 flow [2024-11-28 02:37:06,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.0) internal successors, (441), 3 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:37:06,291 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:37:06,291 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] [2024-11-28 02:37:06,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:37:06,292 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-28 02:37:06,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:37:06,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1435417682, now seen corresponding path program 1 times [2024-11-28 02:37:06,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:37:06,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150523983] [2024-11-28 02:37:06,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:37:06,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:37:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:37:06,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:37:06,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:37:06,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150523983] [2024-11-28 02:37:06,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150523983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:37:06,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:37:06,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:37:06,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199204846] [2024-11-28 02:37:06,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:37:06,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:37:06,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:37:06,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:37:06,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:37:06,446 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 166 [2024-11-28 02:37:06,447 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 133 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:37:06,447 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:37:06,447 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 166 [2024-11-28 02:37:06,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:37:06,569 INFO L124 PetriNetUnfolderBase]: 43/360 cut-off events. [2024-11-28 02:37:06,569 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-28 02:37:06,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 530 conditions, 360 events. 43/360 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1589 event pairs, 22 based on Foata normal form. 0/341 useless extension candidates. Maximal degree in co-relation 389. Up to 77 conditions per place. [2024-11-28 02:37:06,573 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 17 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2024-11-28 02:37:06,573 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 135 transitions, 351 flow [2024-11-28 02:37:06,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:37:06,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:37:06,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 451 transitions. [2024-11-28 02:37:06,575 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9056224899598394 [2024-11-28 02:37:06,575 INFO L175 Difference]: Start difference. First operand has 139 places, 133 transitions, 308 flow. Second operand 3 states and 451 transitions. [2024-11-28 02:37:06,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 135 transitions, 351 flow [2024-11-28 02:37:06,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 135 transitions, 347 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:37:06,581 INFO L231 Difference]: Finished difference. Result has 138 places, 132 transitions, 306 flow [2024-11-28 02:37:06,582 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=138, PETRI_TRANSITIONS=132} [2024-11-28 02:37:06,584 INFO L279 CegarLoopForPetriNet]: 148 programPoint places, -10 predicate places. [2024-11-28 02:37:06,584 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 132 transitions, 306 flow [2024-11-28 02:37:06,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:37:06,584 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:37:06,585 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] [2024-11-28 02:37:06,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:37:06,585 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-28 02:37:06,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:37:06,586 INFO L85 PathProgramCache]: Analyzing trace with hash -732931751, now seen corresponding path program 1 times [2024-11-28 02:37:06,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:37:06,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873138817] [2024-11-28 02:37:06,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:37:06,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:37:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:37:06,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:37:06,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:37:06,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873138817] [2024-11-28 02:37:06,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873138817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:37:06,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:37:06,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:37:06,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138103884] [2024-11-28 02:37:06,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:37:06,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:37:06,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:37:06,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:37:06,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:37:06,745 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 166 [2024-11-28 02:37:06,746 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 132 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:37:06,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:37:06,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 166 [2024-11-28 02:37:06,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:37:06,827 INFO L124 PetriNetUnfolderBase]: 31/309 cut-off events. [2024-11-28 02:37:06,827 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-11-28 02:37:06,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 494 conditions, 309 events. 31/309 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1231 event pairs, 18 based on Foata normal form. 0/297 useless extension candidates. Maximal degree in co-relation 438. Up to 63 conditions per place. [2024-11-28 02:37:06,829 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 15 selfloop transitions, 2 changer transitions 0/132 dead transitions. [2024-11-28 02:37:06,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 132 transitions, 342 flow [2024-11-28 02:37:06,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:37:06,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:37:06,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 449 transitions. [2024-11-28 02:37:06,833 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9016064257028112 [2024-11-28 02:37:06,833 INFO L175 Difference]: Start difference. First operand has 138 places, 132 transitions, 306 flow. Second operand 3 states and 449 transitions. [2024-11-28 02:37:06,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 132 transitions, 342 flow [2024-11-28 02:37:06,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 132 transitions, 338 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:37:06,846 INFO L231 Difference]: Finished difference. Result has 137 places, 131 transitions, 304 flow [2024-11-28 02:37:06,847 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=304, PETRI_PLACES=137, PETRI_TRANSITIONS=131} [2024-11-28 02:37:06,847 INFO L279 CegarLoopForPetriNet]: 148 programPoint places, -11 predicate places. [2024-11-28 02:37:06,847 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 131 transitions, 304 flow [2024-11-28 02:37:06,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:37:06,848 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:37:06,848 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] [2024-11-28 02:37:06,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:37:06,848 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-28 02:37:06,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:37:06,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1478066444, now seen corresponding path program 1 times [2024-11-28 02:37:06,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:37:06,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612291146] [2024-11-28 02:37:06,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:37:06,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:37:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:37:06,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:37:06,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:37:06,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612291146] [2024-11-28 02:37:06,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612291146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:37:06,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:37:06,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:37:06,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531198678] [2024-11-28 02:37:06,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:37:06,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:37:06,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:37:06,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:37:06,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:37:07,030 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 166 [2024-11-28 02:37:07,031 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 131 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:37:07,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:37:07,032 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 166 [2024-11-28 02:37:07,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:37:07,115 INFO L124 PetriNetUnfolderBase]: 42/352 cut-off events. [2024-11-28 02:37:07,115 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-11-28 02:37:07,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 521 conditions, 352 events. 42/352 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1491 event pairs, 20 based on Foata normal form. 0/340 useless extension candidates. Maximal degree in co-relation 489. Up to 76 conditions per place. [2024-11-28 02:37:07,117 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 0 selfloop transitions, 0 changer transitions 133/133 dead transitions. [2024-11-28 02:37:07,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 133 transitions, 347 flow [2024-11-28 02:37:07,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:37:07,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:37:07,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 451 transitions. [2024-11-28 02:37:07,119 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9056224899598394 [2024-11-28 02:37:07,119 INFO L175 Difference]: Start difference. First operand has 137 places, 131 transitions, 304 flow. Second operand 3 states and 451 transitions. [2024-11-28 02:37:07,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 133 transitions, 347 flow [2024-11-28 02:37:07,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 133 transitions, 343 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:37:07,122 INFO L231 Difference]: Finished difference. Result has 136 places, 0 transitions, 0 flow [2024-11-28 02:37:07,123 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=136, PETRI_TRANSITIONS=0} [2024-11-28 02:37:07,125 INFO L279 CegarLoopForPetriNet]: 148 programPoint places, -12 predicate places. [2024-11-28 02:37:07,125 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 0 transitions, 0 flow [2024-11-28 02:37:07,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:37:07,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (30 of 31 remaining) [2024-11-28 02:37:07,134 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2024-11-28 02:37:07,134 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2024-11-28 02:37:07,134 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2024-11-28 02:37:07,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2024-11-28 02:37:07,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2024-11-28 02:37:07,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2024-11-28 02:37:07,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2024-11-28 02:37:07,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2024-11-28 02:37:07,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2024-11-28 02:37:07,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2024-11-28 02:37:07,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2024-11-28 02:37:07,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2024-11-28 02:37:07,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining) [2024-11-28 02:37:07,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2024-11-28 02:37:07,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2024-11-28 02:37:07,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining) [2024-11-28 02:37:07,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 31 remaining) [2024-11-28 02:37:07,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 31 remaining) [2024-11-28 02:37:07,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 31 remaining) [2024-11-28 02:37:07,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 31 remaining) [2024-11-28 02:37:07,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining) [2024-11-28 02:37:07,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2024-11-28 02:37:07,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2024-11-28 02:37:07,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2024-11-28 02:37:07,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2024-11-28 02:37:07,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2024-11-28 02:37:07,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2024-11-28 02:37:07,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2024-11-28 02:37:07,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2024-11-28 02:37:07,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2024-11-28 02:37:07,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:37:07,141 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:37:07,150 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 02:37:07,150 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:37:07,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:37:07 BasicIcfg [2024-11-28 02:37:07,160 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:37:07,161 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:37:07,161 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:37:07,161 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:37:07,165 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:37:03" (3/4) ... [2024-11-28 02:37:07,167 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:37:07,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 02:37:07,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 02:37:07,182 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-28 02:37:07,183 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 02:37:07,183 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 02:37:07,183 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:37:07,292 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe479d81-51b6-4101-8ebe-d733c99ebc21/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:37:07,292 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe479d81-51b6-4101-8ebe-d733c99ebc21/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:37:07,292 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:37:07,293 INFO L158 Benchmark]: Toolchain (without parser) took 4423.40ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 58.4MB in the end (delta: 34.3MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2024-11-28 02:37:07,294 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 74.5MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:37:07,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.03ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.1MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:37:07,295 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.84ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:37:07,296 INFO L158 Benchmark]: Boogie Preprocessor took 39.50ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.7MB in the end (delta: 979.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:37:07,296 INFO L158 Benchmark]: RCFGBuilder took 508.74ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 63.3MB in the end (delta: 15.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:37:07,296 INFO L158 Benchmark]: TraceAbstraction took 3381.15ms. Allocated memory is still 117.4MB. Free memory was 62.6MB in the beginning and 63.4MB in the end (delta: -763.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:37:07,297 INFO L158 Benchmark]: Witness Printer took 131.70ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 58.4MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:37:07,299 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 74.5MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.03ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.1MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.84ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.50ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.7MB in the end (delta: 979.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 508.74ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 63.3MB in the end (delta: 15.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3381.15ms. Allocated memory is still 117.4MB. Free memory was 62.6MB in the beginning and 63.4MB in the end (delta: -763.5kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 131.70ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 58.4MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: 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: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 234 locations, 31 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.1s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 381 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 126 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 413 IncrementalHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 87 mSDtfsCounter, 413 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=308occurred in iteration=7, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 532 NumberOfCodeBlocks, 532 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 542 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 17 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 02:37:07,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe479d81-51b6-4101-8ebe-d733c99ebc21/bin/uautomizer-verify-aQ6SnzHsRB/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