./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i --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_5fb591df-7bcd-46a5-b5ef-0a74246f9f7a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb591df-7bcd-46a5-b5ef-0a74246f9f7a/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_5fb591df-7bcd-46a5-b5ef-0a74246f9f7a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb591df-7bcd-46a5-b5ef-0a74246f9f7a/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb591df-7bcd-46a5-b5ef-0a74246f9f7a/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_5fb591df-7bcd-46a5-b5ef-0a74246f9f7a/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 071be118cd0932d66afa6bce30fcab76880adc6e53d2ca540223cce2e13054f4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:18:21,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:18:22,070 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb591df-7bcd-46a5-b5ef-0a74246f9f7a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 05:18:22,080 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:18:22,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:18:22,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:18:22,106 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:18:22,106 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:18:22,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:18:22,107 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:18:22,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:18:22,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:18:22,108 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:18:22,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:18:22,108 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:18:22,108 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:18:22,108 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:18:22,108 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:18:22,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:18:22,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:18:22,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:18:22,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:18:22,109 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 05:18:22,109 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:18:22,109 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:18:22,109 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:18:22,110 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:18:22,110 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:18:22,110 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:18:22,110 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:18:22,110 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:18:22,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:18:22,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:18:22,110 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:18:22,111 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:18:22,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:18:22,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:18:22,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:18:22,111 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:18:22,111 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:18:22,111 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:18:22,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:18:22,111 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:18:22,111 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:18:22,111 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:18:22,112 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:18:22,112 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_5fb591df-7bcd-46a5-b5ef-0a74246f9f7a/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 -> 071be118cd0932d66afa6bce30fcab76880adc6e53d2ca540223cce2e13054f4 [2024-11-28 05:18:22,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:18:22,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:18:22,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:18:22,407 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:18:22,407 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:18:22,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb591df-7bcd-46a5-b5ef-0a74246f9f7a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i [2024-11-28 05:18:25,425 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb591df-7bcd-46a5-b5ef-0a74246f9f7a/bin/uautomizer-verify-aQ6SnzHsRB/data/19dfd8960/6aead0acdc6549db86ee9b15bdd6ee53/FLAGe78dcf76e [2024-11-28 05:18:25,888 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:18:25,889 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb591df-7bcd-46a5-b5ef-0a74246f9f7a/sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i [2024-11-28 05:18:25,915 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb591df-7bcd-46a5-b5ef-0a74246f9f7a/bin/uautomizer-verify-aQ6SnzHsRB/data/19dfd8960/6aead0acdc6549db86ee9b15bdd6ee53/FLAGe78dcf76e [2024-11-28 05:18:25,938 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb591df-7bcd-46a5-b5ef-0a74246f9f7a/bin/uautomizer-verify-aQ6SnzHsRB/data/19dfd8960/6aead0acdc6549db86ee9b15bdd6ee53 [2024-11-28 05:18:25,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:18:25,945 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:18:25,947 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:18:25,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:18:25,952 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:18:25,953 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:18:25" (1/1) ... [2024-11-28 05:18:25,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d792b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:25, skipping insertion in model container [2024-11-28 05:18:25,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:18:25" (1/1) ... [2024-11-28 05:18:26,010 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:18:26,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:18:26,539 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:18:26,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:18:26,665 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:18:26,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:26 WrapperNode [2024-11-28 05:18:26,666 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:18:26,667 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:18:26,667 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:18:26,668 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:18:26,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:26" (1/1) ... [2024-11-28 05:18:26,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:26" (1/1) ... [2024-11-28 05:18:26,742 INFO L138 Inliner]: procedures = 265, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2024-11-28 05:18:26,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:18:26,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:18:26,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:18:26,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:18:26,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:26" (1/1) ... [2024-11-28 05:18:26,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:26" (1/1) ... [2024-11-28 05:18:26,760 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:26" (1/1) ... [2024-11-28 05:18:26,761 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:26" (1/1) ... [2024-11-28 05:18:26,776 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:26" (1/1) ... [2024-11-28 05:18:26,781 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:26" (1/1) ... [2024-11-28 05:18:26,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:26" (1/1) ... [2024-11-28 05:18:26,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:26" (1/1) ... [2024-11-28 05:18:26,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:26" (1/1) ... [2024-11-28 05:18:26,792 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:18:26,796 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:18:26,796 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:18:26,796 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:18:26,797 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:26" (1/1) ... [2024-11-28 05:18:26,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:18:26,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb591df-7bcd-46a5-b5ef-0a74246f9f7a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:26,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb591df-7bcd-46a5-b5ef-0a74246f9f7a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:26,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb591df-7bcd-46a5-b5ef-0a74246f9f7a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:18:26,878 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 05:18:26,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 05:18:26,879 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 05:18:26,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:18:26,879 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-28 05:18:26,879 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-28 05:18:26,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 05:18:26,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:18:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:18:26,881 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 05:18:27,027 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:18:27,029 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:18:27,344 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 05:18:27,344 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:18:27,370 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:18:27,370 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 05:18:27,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:18:27 BoogieIcfgContainer [2024-11-28 05:18:27,371 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:18:27,374 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:18:27,374 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:18:27,379 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:18:27,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:18:25" (1/3) ... [2024-11-28 05:18:27,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e1bc3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:18:27, skipping insertion in model container [2024-11-28 05:18:27,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:26" (2/3) ... [2024-11-28 05:18:27,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e1bc3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:18:27, skipping insertion in model container [2024-11-28 05:18:27,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:18:27" (3/3) ... [2024-11-28 05:18:27,383 INFO L128 eAbstractionObserver]: Analyzing ICFG 06-symbeq_11-equ_nr.i [2024-11-28 05:18:27,402 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:18:27,405 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 06-symbeq_11-equ_nr.i that has 2 procedures, 88 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-28 05:18:27,405 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 05:18:27,484 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 05:18:27,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 89 transitions, 182 flow [2024-11-28 05:18:27,637 INFO L124 PetriNetUnfolderBase]: 1/91 cut-off events. [2024-11-28 05:18:27,641 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 05:18:27,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 91 events. 1/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2024-11-28 05:18:27,650 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 89 transitions, 182 flow [2024-11-28 05:18:27,656 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 86 transitions, 175 flow [2024-11-28 05:18:27,670 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:18:27,686 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;@3f461816, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:18:27,687 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-28 05:18:27,709 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 05:18:27,709 INFO L124 PetriNetUnfolderBase]: 1/70 cut-off events. [2024-11-28 05:18:27,709 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 05:18:27,709 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:27,710 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] [2024-11-28 05:18:27,711 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-28 05:18:27,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:27,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1662276444, now seen corresponding path program 1 times [2024-11-28 05:18:27,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:27,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693630642] [2024-11-28 05:18:27,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:27,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:28,857 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 05:18:28,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:28,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693630642] [2024-11-28 05:18:28,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693630642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:28,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:28,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:18:28,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123796423] [2024-11-28 05:18:28,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:28,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:18:28,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:28,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:18:28,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:18:29,160 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 89 [2024-11-28 05:18:29,166 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 86 transitions, 175 flow. Second operand has 6 states, 6 states have (on average 72.5) internal successors, (435), 6 states have internal predecessors, (435), 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 05:18:29,166 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:29,166 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 89 [2024-11-28 05:18:29,167 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:29,427 INFO L124 PetriNetUnfolderBase]: 79/333 cut-off events. [2024-11-28 05:18:29,427 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 05:18:29,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 517 conditions, 333 events. 79/333 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1416 event pairs, 25 based on Foata normal form. 0/314 useless extension candidates. Maximal degree in co-relation 459. Up to 130 conditions per place. [2024-11-28 05:18:29,433 INFO L140 encePairwiseOnDemand]: 78/89 looper letters, 21 selfloop transitions, 22 changer transitions 4/115 dead transitions. [2024-11-28 05:18:29,435 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 115 transitions, 327 flow [2024-11-28 05:18:29,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:18:29,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 05:18:29,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 474 transitions. [2024-11-28 05:18:29,452 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8876404494382022 [2024-11-28 05:18:29,454 INFO L175 Difference]: Start difference. First operand has 89 places, 86 transitions, 175 flow. Second operand 6 states and 474 transitions. [2024-11-28 05:18:29,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 115 transitions, 327 flow [2024-11-28 05:18:29,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 115 transitions, 326 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 05:18:29,464 INFO L231 Difference]: Finished difference. Result has 98 places, 107 transitions, 324 flow [2024-11-28 05:18:29,466 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=324, PETRI_PLACES=98, PETRI_TRANSITIONS=107} [2024-11-28 05:18:29,470 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 9 predicate places. [2024-11-28 05:18:29,470 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 107 transitions, 324 flow [2024-11-28 05:18:29,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 72.5) internal successors, (435), 6 states have internal predecessors, (435), 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 05:18:29,471 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:29,471 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:29,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:18:29,471 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-28 05:18:29,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:29,472 INFO L85 PathProgramCache]: Analyzing trace with hash -2018367890, now seen corresponding path program 1 times [2024-11-28 05:18:29,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:29,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634541776] [2024-11-28 05:18:29,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:29,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:30,040 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 05:18:30,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:30,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634541776] [2024-11-28 05:18:30,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634541776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:30,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:30,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:18:30,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141414381] [2024-11-28 05:18:30,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:30,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:18:30,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:30,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:18:30,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:18:30,145 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 89 [2024-11-28 05:18:30,146 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 107 transitions, 324 flow. Second operand has 6 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 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 05:18:30,147 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:30,147 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 89 [2024-11-28 05:18:30,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:30,423 INFO L124 PetriNetUnfolderBase]: 132/466 cut-off events. [2024-11-28 05:18:30,423 INFO L125 PetriNetUnfolderBase]: For 136/144 co-relation queries the response was YES. [2024-11-28 05:18:30,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1059 conditions, 466 events. 132/466 cut-off events. For 136/144 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2209 event pairs, 31 based on Foata normal form. 0/453 useless extension candidates. Maximal degree in co-relation 995. Up to 218 conditions per place. [2024-11-28 05:18:30,431 INFO L140 encePairwiseOnDemand]: 78/89 looper letters, 39 selfloop transitions, 29 changer transitions 7/142 dead transitions. [2024-11-28 05:18:30,432 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 142 transitions, 614 flow [2024-11-28 05:18:30,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:18:30,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 05:18:30,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 459 transitions. [2024-11-28 05:18:30,439 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8595505617977528 [2024-11-28 05:18:30,439 INFO L175 Difference]: Start difference. First operand has 98 places, 107 transitions, 324 flow. Second operand 6 states and 459 transitions. [2024-11-28 05:18:30,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 142 transitions, 614 flow [2024-11-28 05:18:30,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 142 transitions, 614 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 05:18:30,453 INFO L231 Difference]: Finished difference. Result has 108 places, 131 transitions, 578 flow [2024-11-28 05:18:30,454 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=578, PETRI_PLACES=108, PETRI_TRANSITIONS=131} [2024-11-28 05:18:30,455 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 19 predicate places. [2024-11-28 05:18:30,456 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 131 transitions, 578 flow [2024-11-28 05:18:30,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 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 05:18:30,457 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:30,457 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:30,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:18:30,458 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-28 05:18:30,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:30,459 INFO L85 PathProgramCache]: Analyzing trace with hash 114861954, now seen corresponding path program 1 times [2024-11-28 05:18:30,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:30,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666545395] [2024-11-28 05:18:30,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:30,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:31,080 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 05:18:31,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:31,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666545395] [2024-11-28 05:18:31,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666545395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:31,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:31,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 05:18:31,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317138984] [2024-11-28 05:18:31,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:31,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:18:31,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:31,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:18:31,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:18:31,388 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 89 [2024-11-28 05:18:31,389 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 131 transitions, 578 flow. Second operand has 7 states, 7 states have (on average 73.85714285714286) internal successors, (517), 7 states have internal predecessors, (517), 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 05:18:31,389 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:31,389 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 89 [2024-11-28 05:18:31,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:31,604 INFO L124 PetriNetUnfolderBase]: 88/430 cut-off events. [2024-11-28 05:18:31,604 INFO L125 PetriNetUnfolderBase]: For 188/192 co-relation queries the response was YES. [2024-11-28 05:18:31,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1059 conditions, 430 events. 88/430 cut-off events. For 188/192 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2111 event pairs, 10 based on Foata normal form. 2/428 useless extension candidates. Maximal degree in co-relation 834. Up to 83 conditions per place. [2024-11-28 05:18:31,609 INFO L140 encePairwiseOnDemand]: 80/89 looper letters, 15 selfloop transitions, 1 changer transitions 14/140 dead transitions. [2024-11-28 05:18:31,609 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 140 transitions, 650 flow [2024-11-28 05:18:31,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:18:31,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 05:18:31,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 532 transitions. [2024-11-28 05:18:31,611 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8539325842696629 [2024-11-28 05:18:31,611 INFO L175 Difference]: Start difference. First operand has 108 places, 131 transitions, 578 flow. Second operand 7 states and 532 transitions. [2024-11-28 05:18:31,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 140 transitions, 650 flow [2024-11-28 05:18:31,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 140 transitions, 632 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-11-28 05:18:31,622 INFO L231 Difference]: Finished difference. Result has 118 places, 126 transitions, 572 flow [2024-11-28 05:18:31,622 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=560, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=572, PETRI_PLACES=118, PETRI_TRANSITIONS=126} [2024-11-28 05:18:31,623 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 29 predicate places. [2024-11-28 05:18:31,623 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 126 transitions, 572 flow [2024-11-28 05:18:31,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 73.85714285714286) internal successors, (517), 7 states have internal predecessors, (517), 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 05:18:31,624 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:31,624 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:31,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:18:31,624 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-28 05:18:31,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:31,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1067629480, now seen corresponding path program 1 times [2024-11-28 05:18:31,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:31,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877914792] [2024-11-28 05:18:31,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:31,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:32,219 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 05:18:32,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:32,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877914792] [2024-11-28 05:18:32,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877914792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:32,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:32,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 05:18:32,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267830728] [2024-11-28 05:18:32,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:32,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 05:18:32,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:32,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 05:18:32,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:18:32,967 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2024-11-28 05:18:32,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 126 transitions, 572 flow. Second operand has 11 states, 11 states have (on average 64.54545454545455) internal successors, (710), 11 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:18:32,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:32,969 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2024-11-28 05:18:32,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:33,440 INFO L124 PetriNetUnfolderBase]: 133/461 cut-off events. [2024-11-28 05:18:33,440 INFO L125 PetriNetUnfolderBase]: For 443/443 co-relation queries the response was YES. [2024-11-28 05:18:33,442 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1429 conditions, 461 events. 133/461 cut-off events. For 443/443 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2225 event pairs, 24 based on Foata normal form. 11/469 useless extension candidates. Maximal degree in co-relation 1406. Up to 89 conditions per place. [2024-11-28 05:18:33,446 INFO L140 encePairwiseOnDemand]: 77/89 looper letters, 62 selfloop transitions, 32 changer transitions 25/177 dead transitions. [2024-11-28 05:18:33,447 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 177 transitions, 1128 flow [2024-11-28 05:18:33,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 05:18:33,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-28 05:18:33,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 758 transitions. [2024-11-28 05:18:33,452 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7742594484167518 [2024-11-28 05:18:33,452 INFO L175 Difference]: Start difference. First operand has 118 places, 126 transitions, 572 flow. Second operand 11 states and 758 transitions. [2024-11-28 05:18:33,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 177 transitions, 1128 flow [2024-11-28 05:18:33,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 177 transitions, 1099 flow, removed 14 selfloop flow, removed 4 redundant places. [2024-11-28 05:18:33,467 INFO L231 Difference]: Finished difference. Result has 122 places, 127 transitions, 676 flow [2024-11-28 05:18:33,468 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=561, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=676, PETRI_PLACES=122, PETRI_TRANSITIONS=127} [2024-11-28 05:18:33,469 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 33 predicate places. [2024-11-28 05:18:33,469 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 127 transitions, 676 flow [2024-11-28 05:18:33,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 64.54545454545455) internal successors, (710), 11 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:18:33,470 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:33,470 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:33,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:18:33,470 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-28 05:18:33,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:33,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1345470727, now seen corresponding path program 1 times [2024-11-28 05:18:33,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:33,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483131878] [2024-11-28 05:18:33,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:33,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:34,086 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 05:18:34,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:34,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483131878] [2024-11-28 05:18:34,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483131878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:34,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:34,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 05:18:34,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819031328] [2024-11-28 05:18:34,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:34,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 05:18:34,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:34,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 05:18:34,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:18:34,721 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2024-11-28 05:18:34,722 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 127 transitions, 676 flow. Second operand has 11 states, 11 states have (on average 64.54545454545455) internal successors, (710), 11 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:18:34,723 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:34,723 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2024-11-28 05:18:34,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:35,160 INFO L124 PetriNetUnfolderBase]: 107/395 cut-off events. [2024-11-28 05:18:35,160 INFO L125 PetriNetUnfolderBase]: For 643/669 co-relation queries the response was YES. [2024-11-28 05:18:35,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1390 conditions, 395 events. 107/395 cut-off events. For 643/669 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1759 event pairs, 22 based on Foata normal form. 16/409 useless extension candidates. Maximal degree in co-relation 1366. Up to 86 conditions per place. [2024-11-28 05:18:35,164 INFO L140 encePairwiseOnDemand]: 78/89 looper letters, 45 selfloop transitions, 28 changer transitions 33/157 dead transitions. [2024-11-28 05:18:35,164 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 157 transitions, 1156 flow [2024-11-28 05:18:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 05:18:35,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 05:18:35,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 682 transitions. [2024-11-28 05:18:35,166 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7662921348314606 [2024-11-28 05:18:35,166 INFO L175 Difference]: Start difference. First operand has 122 places, 127 transitions, 676 flow. Second operand 10 states and 682 transitions. [2024-11-28 05:18:35,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 157 transitions, 1156 flow [2024-11-28 05:18:35,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 157 transitions, 1106 flow, removed 8 selfloop flow, removed 7 redundant places. [2024-11-28 05:18:35,180 INFO L231 Difference]: Finished difference. Result has 122 places, 108 transitions, 562 flow [2024-11-28 05:18:35,180 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=562, PETRI_PLACES=122, PETRI_TRANSITIONS=108} [2024-11-28 05:18:35,182 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 33 predicate places. [2024-11-28 05:18:35,182 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 108 transitions, 562 flow [2024-11-28 05:18:35,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 64.54545454545455) internal successors, (710), 11 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:18:35,184 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:35,184 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 05:18:35,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:18:35,184 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-28 05:18:35,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:35,185 INFO L85 PathProgramCache]: Analyzing trace with hash -684530505, now seen corresponding path program 1 times [2024-11-28 05:18:35,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:35,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841025131] [2024-11-28 05:18:35,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:35,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:35,907 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 05:18:35,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:35,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841025131] [2024-11-28 05:18:35,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841025131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:35,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:35,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 05:18:35,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214660587] [2024-11-28 05:18:35,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:35,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 05:18:35,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:35,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 05:18:35,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:18:36,542 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2024-11-28 05:18:36,543 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 108 transitions, 562 flow. Second operand has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 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 05:18:36,543 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:36,544 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2024-11-28 05:18:36,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:37,001 INFO L124 PetriNetUnfolderBase]: 50/223 cut-off events. [2024-11-28 05:18:37,002 INFO L125 PetriNetUnfolderBase]: For 451/460 co-relation queries the response was YES. [2024-11-28 05:18:37,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 794 conditions, 223 events. 50/223 cut-off events. For 451/460 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 690 event pairs, 12 based on Foata normal form. 10/231 useless extension candidates. Maximal degree in co-relation 775. Up to 40 conditions per place. [2024-11-28 05:18:37,004 INFO L140 encePairwiseOnDemand]: 79/89 looper letters, 37 selfloop transitions, 17 changer transitions 21/129 dead transitions. [2024-11-28 05:18:37,004 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 129 transitions, 856 flow [2024-11-28 05:18:37,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 05:18:37,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-28 05:18:37,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 739 transitions. [2024-11-28 05:18:37,008 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7548518896833504 [2024-11-28 05:18:37,008 INFO L175 Difference]: Start difference. First operand has 122 places, 108 transitions, 562 flow. Second operand 11 states and 739 transitions. [2024-11-28 05:18:37,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 129 transitions, 856 flow [2024-11-28 05:18:37,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 129 transitions, 741 flow, removed 5 selfloop flow, removed 12 redundant places. [2024-11-28 05:18:37,017 INFO L231 Difference]: Finished difference. Result has 115 places, 98 transitions, 433 flow [2024-11-28 05:18:37,018 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=475, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=433, PETRI_PLACES=115, PETRI_TRANSITIONS=98} [2024-11-28 05:18:37,018 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 26 predicate places. [2024-11-28 05:18:37,019 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 98 transitions, 433 flow [2024-11-28 05:18:37,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 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 05:18:37,020 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:37,020 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 05:18:37,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 05:18:37,020 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-28 05:18:37,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:37,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1157351047, now seen corresponding path program 2 times [2024-11-28 05:18:37,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:37,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692914562] [2024-11-28 05:18:37,022 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:18:37,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:37,064 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 05:18:37,066 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:18:37,796 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 05:18:37,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:37,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692914562] [2024-11-28 05:18:37,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692914562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:37,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:37,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 05:18:37,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610876917] [2024-11-28 05:18:37,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:37,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 05:18:37,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:37,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 05:18:37,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:18:38,556 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2024-11-28 05:18:38,558 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 98 transitions, 433 flow. Second operand has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 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 05:18:38,558 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:38,558 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2024-11-28 05:18:38,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:39,027 INFO L124 PetriNetUnfolderBase]: 37/194 cut-off events. [2024-11-28 05:18:39,027 INFO L125 PetriNetUnfolderBase]: For 363/368 co-relation queries the response was YES. [2024-11-28 05:18:39,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 630 conditions, 194 events. 37/194 cut-off events. For 363/368 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 535 event pairs, 12 based on Foata normal form. 6/198 useless extension candidates. Maximal degree in co-relation 611. Up to 36 conditions per place. [2024-11-28 05:18:39,029 INFO L140 encePairwiseOnDemand]: 79/89 looper letters, 25 selfloop transitions, 9 changer transitions 29/116 dead transitions. [2024-11-28 05:18:39,029 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 116 transitions, 661 flow [2024-11-28 05:18:39,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:18:39,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-28 05:18:39,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 800 transitions. [2024-11-28 05:18:39,033 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7490636704119851 [2024-11-28 05:18:39,033 INFO L175 Difference]: Start difference. First operand has 115 places, 98 transitions, 433 flow. Second operand 12 states and 800 transitions. [2024-11-28 05:18:39,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 116 transitions, 661 flow [2024-11-28 05:18:39,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 116 transitions, 618 flow, removed 5 selfloop flow, removed 10 redundant places. [2024-11-28 05:18:39,044 INFO L231 Difference]: Finished difference. Result has 116 places, 84 transitions, 307 flow [2024-11-28 05:18:39,045 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=307, PETRI_PLACES=116, PETRI_TRANSITIONS=84} [2024-11-28 05:18:39,045 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 27 predicate places. [2024-11-28 05:18:39,046 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 84 transitions, 307 flow [2024-11-28 05:18:39,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 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 05:18:39,047 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:39,047 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 05:18:39,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 05:18:39,047 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-28 05:18:39,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:39,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1325905017, now seen corresponding path program 3 times [2024-11-28 05:18:39,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:39,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251904642] [2024-11-28 05:18:39,049 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:18:39,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:39,077 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 05:18:39,077 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:18:39,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:39,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:39,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251904642] [2024-11-28 05:18:39,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251904642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:39,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:39,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 05:18:39,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678475178] [2024-11-28 05:18:39,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:39,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 05:18:39,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:39,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 05:18:39,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:18:40,452 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2024-11-28 05:18:40,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 84 transitions, 307 flow. Second operand has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 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 05:18:40,453 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:40,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2024-11-28 05:18:40,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:40,733 INFO L124 PetriNetUnfolderBase]: 17/137 cut-off events. [2024-11-28 05:18:40,733 INFO L125 PetriNetUnfolderBase]: For 157/158 co-relation queries the response was YES. [2024-11-28 05:18:40,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 351 conditions, 137 events. 17/137 cut-off events. For 157/158 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 276 event pairs, 12 based on Foata normal form. 2/137 useless extension candidates. Maximal degree in co-relation 332. Up to 34 conditions per place. [2024-11-28 05:18:40,735 INFO L140 encePairwiseOnDemand]: 79/89 looper letters, 0 selfloop transitions, 0 changer transitions 88/88 dead transitions. [2024-11-28 05:18:40,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 88 transitions, 399 flow [2024-11-28 05:18:40,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 05:18:40,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-28 05:18:40,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 721 transitions. [2024-11-28 05:18:40,738 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7364657814096016 [2024-11-28 05:18:40,739 INFO L175 Difference]: Start difference. First operand has 116 places, 84 transitions, 307 flow. Second operand 11 states and 721 transitions. [2024-11-28 05:18:40,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 88 transitions, 399 flow [2024-11-28 05:18:40,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 88 transitions, 354 flow, removed 7 selfloop flow, removed 14 redundant places. [2024-11-28 05:18:40,743 INFO L231 Difference]: Finished difference. Result has 102 places, 0 transitions, 0 flow [2024-11-28 05:18:40,744 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=0, PETRI_PLACES=102, PETRI_TRANSITIONS=0} [2024-11-28 05:18:40,744 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 13 predicate places. [2024-11-28 05:18:40,744 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 0 transitions, 0 flow [2024-11-28 05:18:40,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 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 05:18:40,751 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2024-11-28 05:18:40,752 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-11-28 05:18:40,753 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2024-11-28 05:18:40,753 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2024-11-28 05:18:40,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 05:18:40,754 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2024-11-28 05:18:40,765 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 05:18:40,766 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:18:40,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:18:40 BasicIcfg [2024-11-28 05:18:40,774 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:18:40,775 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:18:40,775 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:18:40,775 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:18:40,776 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:18:27" (3/4) ... [2024-11-28 05:18:40,778 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 05:18:40,782 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-28 05:18:40,789 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-28 05:18:40,789 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 05:18:40,789 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 05:18:40,904 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb591df-7bcd-46a5-b5ef-0a74246f9f7a/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 05:18:40,904 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb591df-7bcd-46a5-b5ef-0a74246f9f7a/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 05:18:40,904 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:18:40,907 INFO L158 Benchmark]: Toolchain (without parser) took 14960.55ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 90.7MB in the beginning and 112.6MB in the end (delta: -21.8MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. [2024-11-28 05:18:40,908 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:18:40,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 719.74ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 62.6MB in the end (delta: 28.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 05:18:40,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.87ms. Allocated memory is still 117.4MB. Free memory was 62.6MB in the beginning and 60.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:18:40,910 INFO L158 Benchmark]: Boogie Preprocessor took 50.65ms. Allocated memory is still 117.4MB. Free memory was 60.6MB in the beginning and 59.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:18:40,910 INFO L158 Benchmark]: RCFGBuilder took 575.13ms. Allocated memory is still 117.4MB. Free memory was 59.2MB in the beginning and 44.3MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:18:40,911 INFO L158 Benchmark]: TraceAbstraction took 13400.21ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 43.7MB in the beginning and 116.2MB in the end (delta: -72.5MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2024-11-28 05:18:40,912 INFO L158 Benchmark]: Witness Printer took 129.64ms. Allocated memory is still 218.1MB. Free memory was 116.2MB in the beginning and 112.6MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:18:40,914 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 719.74ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 62.6MB in the end (delta: 28.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.87ms. Allocated memory is still 117.4MB. Free memory was 62.6MB in the beginning and 60.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.65ms. Allocated memory is still 117.4MB. Free memory was 60.6MB in the beginning and 59.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 575.13ms. Allocated memory is still 117.4MB. Free memory was 59.2MB in the beginning and 44.3MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 13400.21ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 43.7MB in the beginning and 116.2MB in the end (delta: -72.5MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * Witness Printer took 129.64ms. Allocated memory is still 218.1MB. Free memory was 116.2MB in the beginning and 112.6MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1022]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 996]: 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 3 procedures, 106 locations, 4 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: 13.2s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1947 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1599 mSDsluCounter, 1840 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1765 mSDsCounter, 107 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4995 IncrementalHoareTripleChecker+Invalid, 5102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 107 mSolverCounterUnsat, 75 mSDtfsCounter, 4995 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=676occurred in iteration=4, InterpolantAutomatonStates: 74, 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, 5.3s InterpolantComputationTime, 521 NumberOfCodeBlocks, 521 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 513 ConstructedInterpolants, 0 QuantifiedInterpolants, 2950 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 05:18:40,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb591df-7bcd-46a5-b5ef-0a74246f9f7a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE