./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_04-munge_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_d47b4794-9827-4b30-9553-d70a00521430/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47b4794-9827-4b30-9553-d70a00521430/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_d47b4794-9827-4b30-9553-d70a00521430/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47b4794-9827-4b30-9553-d70a00521430/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_04-munge_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47b4794-9827-4b30-9553-d70a00521430/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_d47b4794-9827-4b30-9553-d70a00521430/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 09d5acb2f81ee0994352651dad5f891cf0af6948836360f3240d2ea1a246e8a6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:11:10,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:11:10,846 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47b4794-9827-4b30-9553-d70a00521430/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 20:11:10,857 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:11:10,857 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:11:10,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:11:10,902 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:11:10,903 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:11:10,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:11:10,905 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:11:10,907 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:11:10,907 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:11:10,907 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:11:10,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:11:10,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:11:10,908 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:11:10,908 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:11:10,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:11:10,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:11:10,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:11:10,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:11:10,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:11:10,909 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 20:11:10,910 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:11:10,910 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:11:10,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:11:10,910 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:11:10,910 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:11:10,910 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:11:10,910 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:11:10,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:11:10,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:11:10,912 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:11:10,912 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:11:10,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:11:10,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:11:10,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:11:10,913 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:11:10,913 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:11:10,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:11:10,913 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:11:10,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:11:10,913 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:11:10,913 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:11:10,913 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:11:10,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:11:10,913 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_d47b4794-9827-4b30-9553-d70a00521430/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 -> 09d5acb2f81ee0994352651dad5f891cf0af6948836360f3240d2ea1a246e8a6 [2024-11-27 20:11:11,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:11:11,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:11:11,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:11:11,321 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:11:11,321 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:11:11,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47b4794-9827-4b30-9553-d70a00521430/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/04-mutex_04-munge_nr.i [2024-11-27 20:11:14,757 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47b4794-9827-4b30-9553-d70a00521430/bin/uautomizer-verify-aQ6SnzHsRB/data/1f8762751/410add6da81c451489d41d38fea927c6/FLAG70f31c797 [2024-11-27 20:11:15,200 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:11:15,203 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47b4794-9827-4b30-9553-d70a00521430/sv-benchmarks/c/goblint-regression/04-mutex_04-munge_nr.i [2024-11-27 20:11:15,220 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47b4794-9827-4b30-9553-d70a00521430/bin/uautomizer-verify-aQ6SnzHsRB/data/1f8762751/410add6da81c451489d41d38fea927c6/FLAG70f31c797 [2024-11-27 20:11:15,354 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47b4794-9827-4b30-9553-d70a00521430/bin/uautomizer-verify-aQ6SnzHsRB/data/1f8762751/410add6da81c451489d41d38fea927c6 [2024-11-27 20:11:15,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:11:15,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:11:15,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:11:15,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:11:15,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:11:15,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:11:15" (1/1) ... [2024-11-27 20:11:15,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2802f98e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:15, skipping insertion in model container [2024-11-27 20:11:15,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:11:15" (1/1) ... [2024-11-27 20:11:15,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:11:16,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:11:16,107 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:11:16,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:11:16,285 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:11:16,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:16 WrapperNode [2024-11-27 20:11:16,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:11:16,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:11:16,288 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:11:16,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:11:16,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:16" (1/1) ... [2024-11-27 20:11:16,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:16" (1/1) ... [2024-11-27 20:11:16,367 INFO L138 Inliner]: procedures = 263, calls = 13, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-27 20:11:16,369 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:11:16,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:11:16,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:11:16,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:11:16,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:16" (1/1) ... [2024-11-27 20:11:16,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:16" (1/1) ... [2024-11-27 20:11:16,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:16" (1/1) ... [2024-11-27 20:11:16,384 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:16" (1/1) ... [2024-11-27 20:11:16,390 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:16" (1/1) ... [2024-11-27 20:11:16,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:16" (1/1) ... [2024-11-27 20:11:16,392 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:16" (1/1) ... [2024-11-27 20:11:16,394 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:16" (1/1) ... [2024-11-27 20:11:16,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:16" (1/1) ... [2024-11-27 20:11:16,397 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:11:16,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:11:16,398 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:11:16,398 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:11:16,399 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:16" (1/1) ... [2024-11-27 20:11:16,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:11:16,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47b4794-9827-4b30-9553-d70a00521430/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:11:16,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47b4794-9827-4b30-9553-d70a00521430/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:11:16,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47b4794-9827-4b30-9553-d70a00521430/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:11:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-27 20:11:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-27 20:11:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:11:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-27 20:11:16,490 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-27 20:11:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 20:11:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:11:16,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:11:16,492 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 20:11:16,638 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:11:16,640 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:11:16,786 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 20:11:16,786 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:11:16,812 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:11:16,813 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 20:11:16,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:11:16 BoogieIcfgContainer [2024-11-27 20:11:16,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:11:16,818 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:11:16,818 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:11:16,825 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:11:16,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:11:15" (1/3) ... [2024-11-27 20:11:16,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8f281f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:11:16, skipping insertion in model container [2024-11-27 20:11:16,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:16" (2/3) ... [2024-11-27 20:11:16,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8f281f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:11:16, skipping insertion in model container [2024-11-27 20:11:16,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:11:16" (3/3) ... [2024-11-27 20:11:16,830 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_04-munge_nr.i [2024-11-27 20:11:16,852 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:11:16,854 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_04-munge_nr.i that has 2 procedures, 65 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2024-11-27 20:11:16,854 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 20:11:16,960 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-27 20:11:17,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 64 transitions, 135 flow [2024-11-27 20:11:17,137 INFO L124 PetriNetUnfolderBase]: 0/63 cut-off events. [2024-11-27 20:11:17,142 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 20:11:17,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 63 events. 0/63 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 49 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-11-27 20:11:17,153 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 64 transitions, 135 flow [2024-11-27 20:11:17,160 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 58 transitions, 119 flow [2024-11-27 20:11:17,178 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:11:17,198 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;@4776d93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:11:17,200 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-27 20:11:17,226 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 20:11:17,228 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2024-11-27 20:11:17,228 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:11:17,228 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:17,231 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] [2024-11-27 20:11:17,231 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-27 20:11:17,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:17,240 INFO L85 PathProgramCache]: Analyzing trace with hash 511625068, now seen corresponding path program 1 times [2024-11-27 20:11:17,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:17,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419184904] [2024-11-27 20:11:17,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:17,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:17,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:17,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:17,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419184904] [2024-11-27 20:11:17,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419184904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:17,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:17,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:11:17,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265094785] [2024-11-27 20:11:17,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:17,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:11:17,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:17,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:11:17,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:11:17,639 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 64 [2024-11-27 20:11:17,642 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 58 transitions, 119 flow. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:17,643 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:17,643 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 64 [2024-11-27 20:11:17,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:17,768 INFO L124 PetriNetUnfolderBase]: 31/195 cut-off events. [2024-11-27 20:11:17,768 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 20:11:17,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 195 events. 31/195 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 807 event pairs, 13 based on Foata normal form. 0/178 useless extension candidates. Maximal degree in co-relation 256. Up to 44 conditions per place. [2024-11-27 20:11:17,773 INFO L140 encePairwiseOnDemand]: 56/64 looper letters, 17 selfloop transitions, 6 changer transitions 0/68 dead transitions. [2024-11-27 20:11:17,773 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 68 transitions, 185 flow [2024-11-27 20:11:17,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:11:17,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:11:17,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 175 transitions. [2024-11-27 20:11:17,788 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9114583333333334 [2024-11-27 20:11:17,790 INFO L175 Difference]: Start difference. First operand has 62 places, 58 transitions, 119 flow. Second operand 3 states and 175 transitions. [2024-11-27 20:11:17,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 68 transitions, 185 flow [2024-11-27 20:11:17,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 68 transitions, 184 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:11:17,801 INFO L231 Difference]: Finished difference. Result has 65 places, 64 transitions, 170 flow [2024-11-27 20:11:17,804 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=170, PETRI_PLACES=65, PETRI_TRANSITIONS=64} [2024-11-27 20:11:17,809 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 3 predicate places. [2024-11-27 20:11:17,811 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 64 transitions, 170 flow [2024-11-27 20:11:17,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:17,811 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:17,812 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] [2024-11-27 20:11:17,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:11:17,814 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-27 20:11:17,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:17,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1442047057, now seen corresponding path program 1 times [2024-11-27 20:11:17,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:17,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245939297] [2024-11-27 20:11:17,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:17,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:17,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:17,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:17,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245939297] [2024-11-27 20:11:17,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245939297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:17,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:17,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:11:17,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500450147] [2024-11-27 20:11:17,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:17,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:11:17,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:17,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:11:17,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:11:18,014 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 64 [2024-11-27 20:11:18,015 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 64 transitions, 170 flow. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:18,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:18,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 64 [2024-11-27 20:11:18,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:18,130 INFO L124 PetriNetUnfolderBase]: 56/263 cut-off events. [2024-11-27 20:11:18,131 INFO L125 PetriNetUnfolderBase]: For 107/115 co-relation queries the response was YES. [2024-11-27 20:11:18,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 500 conditions, 263 events. 56/263 cut-off events. For 107/115 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1284 event pairs, 30 based on Foata normal form. 4/250 useless extension candidates. Maximal degree in co-relation 476. Up to 108 conditions per place. [2024-11-27 20:11:18,134 INFO L140 encePairwiseOnDemand]: 58/64 looper letters, 18 selfloop transitions, 7 changer transitions 1/71 dead transitions. [2024-11-27 20:11:18,134 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 71 transitions, 246 flow [2024-11-27 20:11:18,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:11:18,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:11:18,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 166 transitions. [2024-11-27 20:11:18,137 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8645833333333334 [2024-11-27 20:11:18,137 INFO L175 Difference]: Start difference. First operand has 65 places, 64 transitions, 170 flow. Second operand 3 states and 166 transitions. [2024-11-27 20:11:18,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 71 transitions, 246 flow [2024-11-27 20:11:18,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 71 transitions, 230 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:11:18,141 INFO L231 Difference]: Finished difference. Result has 67 places, 69 transitions, 214 flow [2024-11-27 20:11:18,142 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=67, PETRI_TRANSITIONS=69} [2024-11-27 20:11:18,142 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 5 predicate places. [2024-11-27 20:11:18,143 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 69 transitions, 214 flow [2024-11-27 20:11:18,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:18,143 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:18,143 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:11:18,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:11:18,144 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-27 20:11:18,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:18,145 INFO L85 PathProgramCache]: Analyzing trace with hash -118161824, now seen corresponding path program 1 times [2024-11-27 20:11:18,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:18,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004646234] [2024-11-27 20:11:18,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:18,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:18,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:18,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:18,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004646234] [2024-11-27 20:11:18,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004646234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:18,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:18,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:11:18,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803600971] [2024-11-27 20:11:18,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:18,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:11:18,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:18,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:11:18,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:11:18,316 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 64 [2024-11-27 20:11:18,316 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 69 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:18,316 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:18,316 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 64 [2024-11-27 20:11:18,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:18,439 INFO L124 PetriNetUnfolderBase]: 69/295 cut-off events. [2024-11-27 20:11:18,439 INFO L125 PetriNetUnfolderBase]: For 207/215 co-relation queries the response was YES. [2024-11-27 20:11:18,442 INFO L83 FinitePrefix]: Finished finitePrefix Result has 642 conditions, 295 events. 69/295 cut-off events. For 207/215 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1435 event pairs, 30 based on Foata normal form. 2/281 useless extension candidates. Maximal degree in co-relation 617. Up to 125 conditions per place. [2024-11-27 20:11:18,443 INFO L140 encePairwiseOnDemand]: 58/64 looper letters, 17 selfloop transitions, 7 changer transitions 7/76 dead transitions. [2024-11-27 20:11:18,443 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 76 transitions, 300 flow [2024-11-27 20:11:18,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:11:18,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:11:18,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 166 transitions. [2024-11-27 20:11:18,448 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8645833333333334 [2024-11-27 20:11:18,448 INFO L175 Difference]: Start difference. First operand has 67 places, 69 transitions, 214 flow. Second operand 3 states and 166 transitions. [2024-11-27 20:11:18,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 76 transitions, 300 flow [2024-11-27 20:11:18,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 76 transitions, 282 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:11:18,455 INFO L231 Difference]: Finished difference. Result has 69 places, 68 transitions, 232 flow [2024-11-27 20:11:18,455 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=69, PETRI_TRANSITIONS=68} [2024-11-27 20:11:18,456 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 7 predicate places. [2024-11-27 20:11:18,456 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 68 transitions, 232 flow [2024-11-27 20:11:18,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:18,457 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:18,458 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] [2024-11-27 20:11:18,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:11:18,458 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-27 20:11:18,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:18,459 INFO L85 PathProgramCache]: Analyzing trace with hash -175451875, now seen corresponding path program 1 times [2024-11-27 20:11:18,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:18,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527527987] [2024-11-27 20:11:18,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:18,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:19,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:19,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:19,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527527987] [2024-11-27 20:11:19,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527527987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:19,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:19,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:11:19,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553099684] [2024-11-27 20:11:19,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:19,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:11:19,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:19,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:11:19,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:11:19,240 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-27 20:11:19,241 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 68 transitions, 232 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:19,241 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:19,242 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-27 20:11:19,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:19,640 INFO L124 PetriNetUnfolderBase]: 72/423 cut-off events. [2024-11-27 20:11:19,641 INFO L125 PetriNetUnfolderBase]: For 185/185 co-relation queries the response was YES. [2024-11-27 20:11:19,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 865 conditions, 423 events. 72/423 cut-off events. For 185/185 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2425 event pairs, 16 based on Foata normal form. 1/415 useless extension candidates. Maximal degree in co-relation 838. Up to 54 conditions per place. [2024-11-27 20:11:19,645 INFO L140 encePairwiseOnDemand]: 54/64 looper letters, 17 selfloop transitions, 14 changer transitions 21/104 dead transitions. [2024-11-27 20:11:19,645 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 104 transitions, 408 flow [2024-11-27 20:11:19,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 20:11:19,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-27 20:11:19,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 570 transitions. [2024-11-27 20:11:19,651 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8096590909090909 [2024-11-27 20:11:19,655 INFO L175 Difference]: Start difference. First operand has 69 places, 68 transitions, 232 flow. Second operand 11 states and 570 transitions. [2024-11-27 20:11:19,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 104 transitions, 408 flow [2024-11-27 20:11:19,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 104 transitions, 394 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:11:19,665 INFO L231 Difference]: Finished difference. Result has 79 places, 74 transitions, 264 flow [2024-11-27 20:11:19,665 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=264, PETRI_PLACES=79, PETRI_TRANSITIONS=74} [2024-11-27 20:11:19,666 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 17 predicate places. [2024-11-27 20:11:19,666 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 74 transitions, 264 flow [2024-11-27 20:11:19,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:19,666 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:19,666 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] [2024-11-27 20:11:19,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:11:19,667 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-27 20:11:19,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:19,668 INFO L85 PathProgramCache]: Analyzing trace with hash -157100995, now seen corresponding path program 2 times [2024-11-27 20:11:19,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:19,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673993689] [2024-11-27 20:11:19,668 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:11:19,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:19,689 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:11:19,689 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:11:19,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:19,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:19,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673993689] [2024-11-27 20:11:19,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673993689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:19,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:19,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:11:19,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113378487] [2024-11-27 20:11:19,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:19,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:11:19,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:19,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:11:19,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:11:20,105 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-27 20:11:20,106 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 74 transitions, 264 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:20,106 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:20,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-27 20:11:20,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:20,512 INFO L124 PetriNetUnfolderBase]: 67/495 cut-off events. [2024-11-27 20:11:20,512 INFO L125 PetriNetUnfolderBase]: For 244/252 co-relation queries the response was YES. [2024-11-27 20:11:20,514 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1101 conditions, 495 events. 67/495 cut-off events. For 244/252 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3206 event pairs, 9 based on Foata normal form. 9/490 useless extension candidates. Maximal degree in co-relation 1072. Up to 76 conditions per place. [2024-11-27 20:11:20,515 INFO L140 encePairwiseOnDemand]: 53/64 looper letters, 23 selfloop transitions, 18 changer transitions 7/100 dead transitions. [2024-11-27 20:11:20,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 100 transitions, 452 flow [2024-11-27 20:11:20,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:11:20,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-27 20:11:20,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 516 transitions. [2024-11-27 20:11:20,518 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.80625 [2024-11-27 20:11:20,518 INFO L175 Difference]: Start difference. First operand has 79 places, 74 transitions, 264 flow. Second operand 10 states and 516 transitions. [2024-11-27 20:11:20,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 100 transitions, 452 flow [2024-11-27 20:11:20,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 100 transitions, 446 flow, removed 3 selfloop flow, removed 1 redundant places. [2024-11-27 20:11:20,523 INFO L231 Difference]: Finished difference. Result has 91 places, 83 transitions, 369 flow [2024-11-27 20:11:20,524 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=369, PETRI_PLACES=91, PETRI_TRANSITIONS=83} [2024-11-27 20:11:20,525 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 29 predicate places. [2024-11-27 20:11:20,525 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 83 transitions, 369 flow [2024-11-27 20:11:20,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:20,525 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:20,525 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] [2024-11-27 20:11:20,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:11:20,526 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-27 20:11:20,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:20,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1907650449, now seen corresponding path program 3 times [2024-11-27 20:11:20,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:20,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518449418] [2024-11-27 20:11:20,527 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:11:20,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:20,541 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-27 20:11:20,542 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:11:20,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:20,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:20,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518449418] [2024-11-27 20:11:20,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518449418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:20,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:20,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:11:20,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74330410] [2024-11-27 20:11:20,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:20,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:11:20,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:20,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:11:20,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:11:20,933 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-27 20:11:20,934 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 83 transitions, 369 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:20,935 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:20,935 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-27 20:11:20,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:21,390 INFO L124 PetriNetUnfolderBase]: 94/642 cut-off events. [2024-11-27 20:11:21,391 INFO L125 PetriNetUnfolderBase]: For 620/636 co-relation queries the response was YES. [2024-11-27 20:11:21,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1624 conditions, 642 events. 94/642 cut-off events. For 620/636 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 4707 event pairs, 16 based on Foata normal form. 9/631 useless extension candidates. Maximal degree in co-relation 1598. Up to 102 conditions per place. [2024-11-27 20:11:21,396 INFO L140 encePairwiseOnDemand]: 53/64 looper letters, 22 selfloop transitions, 26 changer transitions 3/103 dead transitions. [2024-11-27 20:11:21,396 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 103 transitions, 577 flow [2024-11-27 20:11:21,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 20:11:21,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-27 20:11:21,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 559 transitions. [2024-11-27 20:11:21,401 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7940340909090909 [2024-11-27 20:11:21,403 INFO L175 Difference]: Start difference. First operand has 91 places, 83 transitions, 369 flow. Second operand 11 states and 559 transitions. [2024-11-27 20:11:21,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 103 transitions, 577 flow [2024-11-27 20:11:21,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 103 transitions, 553 flow, removed 5 selfloop flow, removed 5 redundant places. [2024-11-27 20:11:21,412 INFO L231 Difference]: Finished difference. Result has 98 places, 92 transitions, 494 flow [2024-11-27 20:11:21,414 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=353, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=494, PETRI_PLACES=98, PETRI_TRANSITIONS=92} [2024-11-27 20:11:21,414 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 36 predicate places. [2024-11-27 20:11:21,416 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 92 transitions, 494 flow [2024-11-27 20:11:21,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:21,417 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:21,417 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] [2024-11-27 20:11:21,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:11:21,417 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-27 20:11:21,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:21,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1213033765, now seen corresponding path program 4 times [2024-11-27 20:11:21,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:21,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915950099] [2024-11-27 20:11:21,418 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:11:21,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:21,443 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:11:21,443 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:11:21,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:21,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:21,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915950099] [2024-11-27 20:11:21,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915950099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:21,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:21,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:11:21,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760145557] [2024-11-27 20:11:21,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:21,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:11:21,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:21,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:11:21,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:11:21,781 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-27 20:11:21,782 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 92 transitions, 494 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:21,782 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:21,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-27 20:11:21,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:22,214 INFO L124 PetriNetUnfolderBase]: 93/647 cut-off events. [2024-11-27 20:11:22,214 INFO L125 PetriNetUnfolderBase]: For 1040/1054 co-relation queries the response was YES. [2024-11-27 20:11:22,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1735 conditions, 647 events. 93/647 cut-off events. For 1040/1054 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 4731 event pairs, 13 based on Foata normal form. 10/639 useless extension candidates. Maximal degree in co-relation 1699. Up to 104 conditions per place. [2024-11-27 20:11:22,219 INFO L140 encePairwiseOnDemand]: 53/64 looper letters, 26 selfloop transitions, 26 changer transitions 2/106 dead transitions. [2024-11-27 20:11:22,219 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 106 transitions, 669 flow [2024-11-27 20:11:22,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 20:11:22,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-27 20:11:22,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 568 transitions. [2024-11-27 20:11:22,222 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8068181818181818 [2024-11-27 20:11:22,223 INFO L175 Difference]: Start difference. First operand has 98 places, 92 transitions, 494 flow. Second operand 11 states and 568 transitions. [2024-11-27 20:11:22,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 106 transitions, 669 flow [2024-11-27 20:11:22,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 106 transitions, 651 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-27 20:11:22,231 INFO L231 Difference]: Finished difference. Result has 108 places, 96 transitions, 588 flow [2024-11-27 20:11:22,231 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=588, PETRI_PLACES=108, PETRI_TRANSITIONS=96} [2024-11-27 20:11:22,232 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 46 predicate places. [2024-11-27 20:11:22,232 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 96 transitions, 588 flow [2024-11-27 20:11:22,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:22,233 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:22,233 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] [2024-11-27 20:11:22,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:11:22,233 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-27 20:11:22,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:22,234 INFO L85 PathProgramCache]: Analyzing trace with hash -942049643, now seen corresponding path program 5 times [2024-11-27 20:11:22,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:22,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018513062] [2024-11-27 20:11:22,235 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 20:11:22,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:22,248 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:11:22,249 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:11:22,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:22,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:22,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018513062] [2024-11-27 20:11:22,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018513062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:22,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:22,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:11:22,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579350480] [2024-11-27 20:11:22,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:22,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:11:22,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:22,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:11:22,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:11:22,547 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-27 20:11:22,549 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 96 transitions, 588 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:22,549 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:22,549 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-27 20:11:22,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:22,916 INFO L124 PetriNetUnfolderBase]: 64/508 cut-off events. [2024-11-27 20:11:22,916 INFO L125 PetriNetUnfolderBase]: For 1096/1106 co-relation queries the response was YES. [2024-11-27 20:11:22,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1421 conditions, 508 events. 64/508 cut-off events. For 1096/1106 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3390 event pairs, 9 based on Foata normal form. 8/504 useless extension candidates. Maximal degree in co-relation 1381. Up to 80 conditions per place. [2024-11-27 20:11:22,921 INFO L140 encePairwiseOnDemand]: 54/64 looper letters, 22 selfloop transitions, 16 changer transitions 8/98 dead transitions. [2024-11-27 20:11:22,921 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 98 transitions, 645 flow [2024-11-27 20:11:22,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:11:22,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-27 20:11:22,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 514 transitions. [2024-11-27 20:11:22,924 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.803125 [2024-11-27 20:11:22,924 INFO L175 Difference]: Start difference. First operand has 108 places, 96 transitions, 588 flow. Second operand 10 states and 514 transitions. [2024-11-27 20:11:22,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 98 transitions, 645 flow [2024-11-27 20:11:22,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 98 transitions, 608 flow, removed 3 selfloop flow, removed 6 redundant places. [2024-11-27 20:11:22,933 INFO L231 Difference]: Finished difference. Result has 111 places, 86 transitions, 471 flow [2024-11-27 20:11:22,933 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=483, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=471, PETRI_PLACES=111, PETRI_TRANSITIONS=86} [2024-11-27 20:11:22,934 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 49 predicate places. [2024-11-27 20:11:22,935 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 86 transitions, 471 flow [2024-11-27 20:11:22,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:22,935 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:22,935 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] [2024-11-27 20:11:22,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 20:11:22,936 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-27 20:11:22,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:22,937 INFO L85 PathProgramCache]: Analyzing trace with hash 768173201, now seen corresponding path program 6 times [2024-11-27 20:11:22,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:22,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919339849] [2024-11-27 20:11:22,937 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 20:11:22,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:22,951 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-27 20:11:22,951 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:11:23,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:23,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:23,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919339849] [2024-11-27 20:11:23,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919339849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:23,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:23,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:11:23,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979343949] [2024-11-27 20:11:23,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:23,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:11:23,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:23,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:11:23,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:11:23,241 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-27 20:11:23,242 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 86 transitions, 471 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:23,242 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:23,243 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-27 20:11:23,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:23,578 INFO L124 PetriNetUnfolderBase]: 60/468 cut-off events. [2024-11-27 20:11:23,578 INFO L125 PetriNetUnfolderBase]: For 952/964 co-relation queries the response was YES. [2024-11-27 20:11:23,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1317 conditions, 468 events. 60/468 cut-off events. For 952/964 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3015 event pairs, 13 based on Foata normal form. 10/465 useless extension candidates. Maximal degree in co-relation 1292. Up to 72 conditions per place. [2024-11-27 20:11:23,582 INFO L140 encePairwiseOnDemand]: 54/64 looper letters, 22 selfloop transitions, 17 changer transitions 12/103 dead transitions. [2024-11-27 20:11:23,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 103 transitions, 691 flow [2024-11-27 20:11:23,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:11:23,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-27 20:11:23,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 460 transitions. [2024-11-27 20:11:23,585 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7986111111111112 [2024-11-27 20:11:23,585 INFO L175 Difference]: Start difference. First operand has 111 places, 86 transitions, 471 flow. Second operand 9 states and 460 transitions. [2024-11-27 20:11:23,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 103 transitions, 691 flow [2024-11-27 20:11:23,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 103 transitions, 587 flow, removed 15 selfloop flow, removed 14 redundant places. [2024-11-27 20:11:23,593 INFO L231 Difference]: Finished difference. Result has 104 places, 84 transitions, 448 flow [2024-11-27 20:11:23,594 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=448, PETRI_PLACES=104, PETRI_TRANSITIONS=84} [2024-11-27 20:11:23,594 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 42 predicate places. [2024-11-27 20:11:23,595 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 84 transitions, 448 flow [2024-11-27 20:11:23,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:23,595 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:23,596 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] [2024-11-27 20:11:23,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:11:23,596 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-27 20:11:23,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:23,597 INFO L85 PathProgramCache]: Analyzing trace with hash -77072579, now seen corresponding path program 7 times [2024-11-27 20:11:23,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:23,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520255553] [2024-11-27 20:11:23,597 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 20:11:23,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:23,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:23,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:23,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520255553] [2024-11-27 20:11:23,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520255553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:23,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:23,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:11:23,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834767626] [2024-11-27 20:11:23,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:23,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:11:23,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:23,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:11:23,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:11:23,900 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-27 20:11:23,901 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 84 transitions, 448 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:23,902 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:23,902 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-27 20:11:23,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:24,200 INFO L124 PetriNetUnfolderBase]: 28/295 cut-off events. [2024-11-27 20:11:24,201 INFO L125 PetriNetUnfolderBase]: For 434/440 co-relation queries the response was YES. [2024-11-27 20:11:24,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 782 conditions, 295 events. 28/295 cut-off events. For 434/440 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1524 event pairs, 5 based on Foata normal form. 5/294 useless extension candidates. Maximal degree in co-relation 758. Up to 44 conditions per place. [2024-11-27 20:11:24,203 INFO L140 encePairwiseOnDemand]: 54/64 looper letters, 14 selfloop transitions, 10 changer transitions 7/83 dead transitions. [2024-11-27 20:11:24,203 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 83 transitions, 465 flow [2024-11-27 20:11:24,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:11:24,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-27 20:11:24,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 455 transitions. [2024-11-27 20:11:24,206 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7899305555555556 [2024-11-27 20:11:24,206 INFO L175 Difference]: Start difference. First operand has 104 places, 84 transitions, 448 flow. Second operand 9 states and 455 transitions. [2024-11-27 20:11:24,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 83 transitions, 465 flow [2024-11-27 20:11:24,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 83 transitions, 408 flow, removed 6 selfloop flow, removed 12 redundant places. [2024-11-27 20:11:24,211 INFO L231 Difference]: Finished difference. Result has 94 places, 72 transitions, 302 flow [2024-11-27 20:11:24,212 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=302, PETRI_PLACES=94, PETRI_TRANSITIONS=72} [2024-11-27 20:11:24,214 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 32 predicate places. [2024-11-27 20:11:24,214 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 72 transitions, 302 flow [2024-11-27 20:11:24,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:24,215 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:24,215 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] [2024-11-27 20:11:24,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 20:11:24,216 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-27 20:11:24,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:24,217 INFO L85 PathProgramCache]: Analyzing trace with hash -559732011, now seen corresponding path program 8 times [2024-11-27 20:11:24,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:24,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331055586] [2024-11-27 20:11:24,217 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:11:24,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:24,236 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:11:24,237 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:11:24,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:24,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:24,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331055586] [2024-11-27 20:11:24,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331055586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:24,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:24,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:11:24,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909793049] [2024-11-27 20:11:24,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:24,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:11:24,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:24,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:11:24,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:11:24,498 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-27 20:11:24,499 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 72 transitions, 302 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:24,499 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:24,499 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-27 20:11:24,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:24,747 INFO L124 PetriNetUnfolderBase]: 26/267 cut-off events. [2024-11-27 20:11:24,748 INFO L125 PetriNetUnfolderBase]: For 297/305 co-relation queries the response was YES. [2024-11-27 20:11:24,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 661 conditions, 267 events. 26/267 cut-off events. For 297/305 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1288 event pairs, 3 based on Foata normal form. 7/266 useless extension candidates. Maximal degree in co-relation 648. Up to 38 conditions per place. [2024-11-27 20:11:24,749 INFO L140 encePairwiseOnDemand]: 53/64 looper letters, 10 selfloop transitions, 10 changer transitions 12/84 dead transitions. [2024-11-27 20:11:24,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 84 transitions, 431 flow [2024-11-27 20:11:24,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:11:24,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-27 20:11:24,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 408 transitions. [2024-11-27 20:11:24,751 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.796875 [2024-11-27 20:11:24,751 INFO L175 Difference]: Start difference. First operand has 94 places, 72 transitions, 302 flow. Second operand 8 states and 408 transitions. [2024-11-27 20:11:24,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 84 transitions, 431 flow [2024-11-27 20:11:24,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 84 transitions, 373 flow, removed 8 selfloop flow, removed 10 redundant places. [2024-11-27 20:11:24,760 INFO L231 Difference]: Finished difference. Result has 86 places, 70 transitions, 289 flow [2024-11-27 20:11:24,760 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=289, PETRI_PLACES=86, PETRI_TRANSITIONS=70} [2024-11-27 20:11:24,761 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 24 predicate places. [2024-11-27 20:11:24,761 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 70 transitions, 289 flow [2024-11-27 20:11:24,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:24,762 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:24,762 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] [2024-11-27 20:11:24,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 20:11:24,762 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-27 20:11:24,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:24,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1368144959, now seen corresponding path program 9 times [2024-11-27 20:11:24,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:24,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426036126] [2024-11-27 20:11:24,763 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:11:24,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:24,783 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-27 20:11:24,787 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:11:24,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:24,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:24,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426036126] [2024-11-27 20:11:24,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426036126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:24,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:24,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:11:24,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512881612] [2024-11-27 20:11:24,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:24,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:11:24,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:24,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:11:24,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:11:25,054 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-27 20:11:25,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 70 transitions, 289 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:25,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:25,056 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-27 20:11:25,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:25,276 INFO L124 PetriNetUnfolderBase]: 23/229 cut-off events. [2024-11-27 20:11:25,277 INFO L125 PetriNetUnfolderBase]: For 290/296 co-relation queries the response was YES. [2024-11-27 20:11:25,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 561 conditions, 229 events. 23/229 cut-off events. For 290/296 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1040 event pairs, 4 based on Foata normal form. 4/227 useless extension candidates. Maximal degree in co-relation 549. Up to 32 conditions per place. [2024-11-27 20:11:25,278 INFO L140 encePairwiseOnDemand]: 53/64 looper letters, 8 selfloop transitions, 12 changer transitions 3/75 dead transitions. [2024-11-27 20:11:25,278 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 75 transitions, 353 flow [2024-11-27 20:11:25,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:11:25,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-27 20:11:25,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 400 transitions. [2024-11-27 20:11:25,280 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.78125 [2024-11-27 20:11:25,281 INFO L175 Difference]: Start difference. First operand has 86 places, 70 transitions, 289 flow. Second operand 8 states and 400 transitions. [2024-11-27 20:11:25,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 75 transitions, 353 flow [2024-11-27 20:11:25,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 75 transitions, 312 flow, removed 4 selfloop flow, removed 8 redundant places. [2024-11-27 20:11:25,286 INFO L231 Difference]: Finished difference. Result has 83 places, 70 transitions, 280 flow [2024-11-27 20:11:25,286 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=280, PETRI_PLACES=83, PETRI_TRANSITIONS=70} [2024-11-27 20:11:25,289 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 21 predicate places. [2024-11-27 20:11:25,290 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 70 transitions, 280 flow [2024-11-27 20:11:25,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:25,290 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:25,290 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] [2024-11-27 20:11:25,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 20:11:25,291 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-27 20:11:25,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:25,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1169499965, now seen corresponding path program 10 times [2024-11-27 20:11:25,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:25,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308586278] [2024-11-27 20:11:25,292 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:11:25,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:25,307 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:11:25,307 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:11:25,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:25,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:25,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308586278] [2024-11-27 20:11:25,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308586278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:25,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:25,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:11:25,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077157159] [2024-11-27 20:11:25,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:25,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:11:25,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:25,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:11:25,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:11:25,532 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-27 20:11:25,533 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 70 transitions, 280 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:25,533 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:25,533 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-27 20:11:25,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:25,689 INFO L124 PetriNetUnfolderBase]: 5/72 cut-off events. [2024-11-27 20:11:25,689 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-11-27 20:11:25,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 72 events. 5/72 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 119 event pairs, 1 based on Foata normal form. 2/74 useless extension candidates. Maximal degree in co-relation 152. Up to 9 conditions per place. [2024-11-27 20:11:25,690 INFO L140 encePairwiseOnDemand]: 58/64 looper letters, 0 selfloop transitions, 0 changer transitions 48/48 dead transitions. [2024-11-27 20:11:25,690 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 48 transitions, 193 flow [2024-11-27 20:11:25,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:11:25,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-27 20:11:25,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 345 transitions. [2024-11-27 20:11:25,692 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7700892857142857 [2024-11-27 20:11:25,692 INFO L175 Difference]: Start difference. First operand has 83 places, 70 transitions, 280 flow. Second operand 7 states and 345 transitions. [2024-11-27 20:11:25,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 48 transitions, 193 flow [2024-11-27 20:11:25,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 48 transitions, 149 flow, removed 8 selfloop flow, removed 11 redundant places. [2024-11-27 20:11:25,694 INFO L231 Difference]: Finished difference. Result has 62 places, 0 transitions, 0 flow [2024-11-27 20:11:25,695 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=62, PETRI_TRANSITIONS=0} [2024-11-27 20:11:25,695 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 0 predicate places. [2024-11-27 20:11:25,695 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 0 transitions, 0 flow [2024-11-27 20:11:25,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:11:25,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-27 20:11:25,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-27 20:11:25,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-27 20:11:25,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-27 20:11:25,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-27 20:11:25,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-27 20:11:25,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-27 20:11:25,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 20:11:25,701 INFO L422 BasicCegarLoop]: Path program histogram: [10, 1, 1, 1] [2024-11-27 20:11:25,710 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 20:11:25,710 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:11:25,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:11:25 BasicIcfg [2024-11-27 20:11:25,721 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:11:25,722 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:11:25,722 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:11:25,722 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:11:25,723 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:11:16" (3/4) ... [2024-11-27 20:11:25,725 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:11:25,729 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-27 20:11:25,737 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-27 20:11:25,737 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-27 20:11:25,737 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-27 20:11:25,834 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47b4794-9827-4b30-9553-d70a00521430/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:11:25,834 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47b4794-9827-4b30-9553-d70a00521430/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:11:25,835 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:11:25,836 INFO L158 Benchmark]: Toolchain (without parser) took 10477.25ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 91.2MB in the beginning and 100.3MB in the end (delta: -9.1MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-11-27 20:11:25,837 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 72.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:11:25,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 926.89ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 63.9MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 20:11:25,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.50ms. Allocated memory is still 117.4MB. Free memory was 63.9MB in the beginning and 62.1MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:11:25,838 INFO L158 Benchmark]: Boogie Preprocessor took 26.85ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 61.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:11:25,839 INFO L158 Benchmark]: RCFGBuilder took 415.37ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 48.3MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:11:25,839 INFO L158 Benchmark]: TraceAbstraction took 8903.34ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 47.7MB in the beginning and 105.0MB in the end (delta: -57.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:11:25,839 INFO L158 Benchmark]: Witness Printer took 113.22ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 100.3MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:11:25,841 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 72.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 926.89ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 63.9MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.50ms. Allocated memory is still 117.4MB. Free memory was 63.9MB in the beginning and 62.1MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.85ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 61.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 415.37ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 48.3MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 8903.34ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 47.7MB in the beginning and 105.0MB in the end (delta: -57.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 113.22ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 100.3MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 921]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 921]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 921]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 921]: 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, 88 locations, 7 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: 8.7s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 799 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 652 mSDsluCounter, 1153 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1004 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1699 IncrementalHoareTripleChecker+Invalid, 1737 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 149 mSDtfsCounter, 1699 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=588occurred in iteration=7, InterpolantAutomatonStates: 103, 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, 2.7s InterpolantComputationTime, 454 NumberOfCodeBlocks, 448 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 441 ConstructedInterpolants, 0 QuantifiedInterpolants, 1027 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 20:11:25,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47b4794-9827-4b30-9553-d70a00521430/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