./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_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_4109ecad-c755-4b2c-8511-dcafaf3ea4e1/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4109ecad-c755-4b2c-8511-dcafaf3ea4e1/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_4109ecad-c755-4b2c-8511-dcafaf3ea4e1/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4109ecad-c755-4b2c-8511-dcafaf3ea4e1/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4109ecad-c755-4b2c-8511-dcafaf3ea4e1/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_4109ecad-c755-4b2c-8511-dcafaf3ea4e1/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 0bf2f5f336333cdf96c271b32cdeb9b70ee932e1c07acf27a63b4425ec902f3e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:57:07,937 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:57:08,039 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4109ecad-c755-4b2c-8511-dcafaf3ea4e1/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 02:57:08,045 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:57:08,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:57:08,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:57:08,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:57:08,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:57:08,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:57:08,090 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:57:08,090 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:57:08,090 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:57:08,090 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:57:08,090 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:57:08,091 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:57:08,092 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:57:08,092 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:57:08,092 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:57:08,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:57:08,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:57:08,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:57:08,094 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:57:08,094 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 02:57:08,094 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:57:08,094 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:57:08,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:57:08,094 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:57:08,094 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:57:08,095 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:57:08,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:57:08,095 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:57:08,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:57:08,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:57:08,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:57:08,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:57:08,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:57:08,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:57:08,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:57:08,096 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:57:08,096 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:57:08,096 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:57:08,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:57:08,097 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:57:08,097 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:57:08,097 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:57:08,097 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:57:08,097 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_4109ecad-c755-4b2c-8511-dcafaf3ea4e1/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 -> 0bf2f5f336333cdf96c271b32cdeb9b70ee932e1c07acf27a63b4425ec902f3e [2024-11-28 02:57:08,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:57:08,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:57:08,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:57:08,460 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:57:08,460 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:57:08,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4109ecad-c755-4b2c-8511-dcafaf3ea4e1/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr.i [2024-11-28 02:57:11,405 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4109ecad-c755-4b2c-8511-dcafaf3ea4e1/bin/uautomizer-verify-aQ6SnzHsRB/data/4631fe96d/14fc2716710145eca9c2da6f868d1a17/FLAG640a0cb62 [2024-11-28 02:57:11,875 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:57:11,876 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4109ecad-c755-4b2c-8511-dcafaf3ea4e1/sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr.i [2024-11-28 02:57:11,898 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4109ecad-c755-4b2c-8511-dcafaf3ea4e1/bin/uautomizer-verify-aQ6SnzHsRB/data/4631fe96d/14fc2716710145eca9c2da6f868d1a17/FLAG640a0cb62 [2024-11-28 02:57:11,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4109ecad-c755-4b2c-8511-dcafaf3ea4e1/bin/uautomizer-verify-aQ6SnzHsRB/data/4631fe96d/14fc2716710145eca9c2da6f868d1a17 [2024-11-28 02:57:11,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:57:11,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:57:11,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:57:11,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:57:11,923 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:57:11,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:11" (1/1) ... [2024-11-28 02:57:11,925 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ba08bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:11, skipping insertion in model container [2024-11-28 02:57:11,925 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:11" (1/1) ... [2024-11-28 02:57:11,968 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:57:12,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:57:12,760 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:57:12,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:57:13,012 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:57:13,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:13 WrapperNode [2024-11-28 02:57:13,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:57:13,014 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:57:13,014 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:57:13,014 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:57:13,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:13" (1/1) ... [2024-11-28 02:57:13,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:13" (1/1) ... [2024-11-28 02:57:13,066 INFO L138 Inliner]: procedures = 525, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 117 [2024-11-28 02:57:13,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:57:13,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:57:13,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:57:13,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:57:13,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:13" (1/1) ... [2024-11-28 02:57:13,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:13" (1/1) ... [2024-11-28 02:57:13,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:13" (1/1) ... [2024-11-28 02:57:13,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:13" (1/1) ... [2024-11-28 02:57:13,089 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:13" (1/1) ... [2024-11-28 02:57:13,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:13" (1/1) ... [2024-11-28 02:57:13,096 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:13" (1/1) ... [2024-11-28 02:57:13,100 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:13" (1/1) ... [2024-11-28 02:57:13,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:13" (1/1) ... [2024-11-28 02:57:13,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:57:13,107 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:57:13,107 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:57:13,107 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:57:13,108 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:13" (1/1) ... [2024-11-28 02:57:13,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:57:13,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4109ecad-c755-4b2c-8511-dcafaf3ea4e1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:57:13,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4109ecad-c755-4b2c-8511-dcafaf3ea4e1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:57:13,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4109ecad-c755-4b2c-8511-dcafaf3ea4e1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:57:13,182 INFO L130 BoogieDeclarations]: Found specification of procedure counter_thread [2024-11-28 02:57:13,183 INFO L138 BoogieDeclarations]: Found implementation of procedure counter_thread [2024-11-28 02:57:13,183 INFO L130 BoogieDeclarations]: Found specification of procedure monitor_thread [2024-11-28 02:57:13,183 INFO L138 BoogieDeclarations]: Found implementation of procedure monitor_thread [2024-11-28 02:57:13,183 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 02:57:13,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 02:57:13,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:57:13,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:57:13,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:57:13,184 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2024-11-28 02:57:13,184 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 02:57:13,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 02:57:13,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:57:13,186 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 02:57:13,512 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:57:13,514 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:57:13,910 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:57:13,910 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:57:13,934 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:57:13,934 INFO L312 CfgBuilder]: Removed 11 assume(true) statements. [2024-11-28 02:57:13,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:13 BoogieIcfgContainer [2024-11-28 02:57:13,935 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:57:13,937 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:57:13,937 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:57:13,942 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:57:13,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:57:11" (1/3) ... [2024-11-28 02:57:13,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6725eecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:13, skipping insertion in model container [2024-11-28 02:57:13,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:13" (2/3) ... [2024-11-28 02:57:13,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6725eecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:13, skipping insertion in model container [2024-11-28 02:57:13,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:13" (3/3) ... [2024-11-28 02:57:13,945 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_36-trylock_nr.i [2024-11-28 02:57:13,959 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:57:13,960 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_36-trylock_nr.i that has 3 procedures, 232 locations, 1 initial locations, 11 loop locations, and 14 error locations. [2024-11-28 02:57:13,961 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:57:14,063 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 02:57:14,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 238 places, 271 transitions, 556 flow [2024-11-28 02:57:14,289 INFO L124 PetriNetUnfolderBase]: 40/269 cut-off events. [2024-11-28 02:57:14,291 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 02:57:14,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 278 conditions, 269 events. 40/269 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 818 event pairs, 0 based on Foata normal form. 0/215 useless extension candidates. Maximal degree in co-relation 191. Up to 5 conditions per place. [2024-11-28 02:57:14,307 INFO L82 GeneralOperation]: Start removeDead. Operand has 238 places, 271 transitions, 556 flow [2024-11-28 02:57:14,317 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 229 places, 259 transitions, 530 flow [2024-11-28 02:57:14,332 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:57:14,351 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;@7ed62fb6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:57:14,352 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2024-11-28 02:57:14,362 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:57:14,363 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2024-11-28 02:57:14,363 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:57:14,363 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:14,364 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] [2024-11-28 02:57:14,364 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 02:57:14,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:14,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1430242095, now seen corresponding path program 1 times [2024-11-28 02:57:14,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:14,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490920305] [2024-11-28 02:57:14,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:14,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:14,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:57:14,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:14,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490920305] [2024-11-28 02:57:14,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490920305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:14,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:14,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:14,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014169992] [2024-11-28 02:57:14,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:14,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:14,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:14,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:14,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:14,824 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 271 [2024-11-28 02:57:14,831 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 259 transitions, 530 flow. Second operand has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:14,832 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:14,832 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 271 [2024-11-28 02:57:14,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:15,026 INFO L124 PetriNetUnfolderBase]: 46/536 cut-off events. [2024-11-28 02:57:15,027 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-28 02:57:15,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 604 conditions, 536 events. 46/536 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2886 event pairs, 15 based on Foata normal form. 99/548 useless extension candidates. Maximal degree in co-relation 465. Up to 48 conditions per place. [2024-11-28 02:57:15,038 INFO L140 encePairwiseOnDemand]: 250/271 looper letters, 13 selfloop transitions, 2 changer transitions 9/225 dead transitions. [2024-11-28 02:57:15,039 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 225 transitions, 492 flow [2024-11-28 02:57:15,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:15,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:15,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 715 transitions. [2024-11-28 02:57:15,061 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8794587945879458 [2024-11-28 02:57:15,064 INFO L175 Difference]: Start difference. First operand has 229 places, 259 transitions, 530 flow. Second operand 3 states and 715 transitions. [2024-11-28 02:57:15,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 225 transitions, 492 flow [2024-11-28 02:57:15,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 225 transitions, 484 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 02:57:15,080 INFO L231 Difference]: Finished difference. Result has 218 places, 216 transitions, 440 flow [2024-11-28 02:57:15,083 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=440, PETRI_PLACES=218, PETRI_TRANSITIONS=216} [2024-11-28 02:57:15,090 INFO L279 CegarLoopForPetriNet]: 229 programPoint places, -11 predicate places. [2024-11-28 02:57:15,092 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 216 transitions, 440 flow [2024-11-28 02:57:15,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:15,092 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:15,093 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:15,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:57:15,093 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 02:57:15,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:15,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1387819642, now seen corresponding path program 1 times [2024-11-28 02:57:15,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:15,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454572390] [2024-11-28 02:57:15,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:15,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:15,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:57:15,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:15,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454572390] [2024-11-28 02:57:15,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454572390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:15,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:15,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:15,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684015461] [2024-11-28 02:57:15,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:15,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:15,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:15,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:15,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:15,352 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 271 [2024-11-28 02:57:15,353 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 216 transitions, 440 flow. Second operand has 3 states, 3 states have (on average 213.0) internal successors, (639), 3 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:15,353 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:15,353 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 271 [2024-11-28 02:57:15,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:15,709 INFO L124 PetriNetUnfolderBase]: 355/1508 cut-off events. [2024-11-28 02:57:15,709 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-28 02:57:15,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1952 conditions, 1508 events. 355/1508 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 11566 event pairs, 96 based on Foata normal form. 1/1354 useless extension candidates. Maximal degree in co-relation 1919. Up to 407 conditions per place. [2024-11-28 02:57:15,731 INFO L140 encePairwiseOnDemand]: 255/271 looper letters, 27 selfloop transitions, 7 changer transitions 5/221 dead transitions. [2024-11-28 02:57:15,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 221 transitions, 524 flow [2024-11-28 02:57:15,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:15,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:15,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 680 transitions. [2024-11-28 02:57:15,737 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8364083640836408 [2024-11-28 02:57:15,737 INFO L175 Difference]: Start difference. First operand has 218 places, 216 transitions, 440 flow. Second operand 3 states and 680 transitions. [2024-11-28 02:57:15,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 221 transitions, 524 flow [2024-11-28 02:57:15,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 221 transitions, 520 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:57:15,749 INFO L231 Difference]: Finished difference. Result has 203 places, 210 transitions, 458 flow [2024-11-28 02:57:15,749 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=420, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=458, PETRI_PLACES=203, PETRI_TRANSITIONS=210} [2024-11-28 02:57:15,752 INFO L279 CegarLoopForPetriNet]: 229 programPoint places, -26 predicate places. [2024-11-28 02:57:15,753 INFO L471 AbstractCegarLoop]: Abstraction has has 203 places, 210 transitions, 458 flow [2024-11-28 02:57:15,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.0) internal successors, (639), 3 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:15,753 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:15,753 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:15,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:57:15,754 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting counter_threadErr0ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 02:57:15,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:15,754 INFO L85 PathProgramCache]: Analyzing trace with hash 980686948, now seen corresponding path program 1 times [2024-11-28 02:57:15,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:15,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509421560] [2024-11-28 02:57:15,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:15,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:15,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:57:15,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:15,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509421560] [2024-11-28 02:57:15,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509421560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:15,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:15,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:15,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056844576] [2024-11-28 02:57:15,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:15,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:15,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:15,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:15,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:15,917 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 271 [2024-11-28 02:57:15,918 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 210 transitions, 458 flow. Second operand has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:15,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:15,919 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 271 [2024-11-28 02:57:15,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:16,107 INFO L124 PetriNetUnfolderBase]: 123/927 cut-off events. [2024-11-28 02:57:16,107 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-28 02:57:16,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1108 conditions, 927 events. 123/927 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 6199 event pairs, 20 based on Foata normal form. 0/816 useless extension candidates. Maximal degree in co-relation 548. Up to 78 conditions per place. [2024-11-28 02:57:16,116 INFO L140 encePairwiseOnDemand]: 267/271 looper letters, 13 selfloop transitions, 2 changer transitions 0/211 dead transitions. [2024-11-28 02:57:16,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 211 transitions, 491 flow [2024-11-28 02:57:16,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:16,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:16,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 704 transitions. [2024-11-28 02:57:16,120 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8659286592865929 [2024-11-28 02:57:16,120 INFO L175 Difference]: Start difference. First operand has 203 places, 210 transitions, 458 flow. Second operand 3 states and 704 transitions. [2024-11-28 02:57:16,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 211 transitions, 491 flow [2024-11-28 02:57:16,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 211 transitions, 491 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:57:16,126 INFO L231 Difference]: Finished difference. Result has 199 places, 210 transitions, 468 flow [2024-11-28 02:57:16,126 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=468, PETRI_PLACES=199, PETRI_TRANSITIONS=210} [2024-11-28 02:57:16,127 INFO L279 CegarLoopForPetriNet]: 229 programPoint places, -30 predicate places. [2024-11-28 02:57:16,127 INFO L471 AbstractCegarLoop]: Abstraction has has 199 places, 210 transitions, 468 flow [2024-11-28 02:57:16,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:16,128 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:16,129 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:16,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:57:16,129 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting counter_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 02:57:16,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:16,130 INFO L85 PathProgramCache]: Analyzing trace with hash -613648783, now seen corresponding path program 1 times [2024-11-28 02:57:16,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:16,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712520348] [2024-11-28 02:57:16,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:16,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:16,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:57:16,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:16,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712520348] [2024-11-28 02:57:16,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712520348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:16,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:16,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:16,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797197117] [2024-11-28 02:57:16,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:16,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:16,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:16,294 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:16,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:16,316 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 271 [2024-11-28 02:57:16,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 210 transitions, 468 flow. Second operand has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:16,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:16,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 271 [2024-11-28 02:57:16,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:16,639 INFO L124 PetriNetUnfolderBase]: 216/1589 cut-off events. [2024-11-28 02:57:16,640 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-28 02:57:16,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1928 conditions, 1589 events. 216/1589 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 11755 event pairs, 21 based on Foata normal form. 0/1403 useless extension candidates. Maximal degree in co-relation 1734. Up to 139 conditions per place. [2024-11-28 02:57:16,652 INFO L140 encePairwiseOnDemand]: 265/271 looper letters, 18 selfloop transitions, 4 changer transitions 0/218 dead transitions. [2024-11-28 02:57:16,653 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 218 transitions, 530 flow [2024-11-28 02:57:16,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:16,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:16,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 711 transitions. [2024-11-28 02:57:16,660 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8745387453874539 [2024-11-28 02:57:16,660 INFO L175 Difference]: Start difference. First operand has 199 places, 210 transitions, 468 flow. Second operand 3 states and 711 transitions. [2024-11-28 02:57:16,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 218 transitions, 530 flow [2024-11-28 02:57:16,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 218 transitions, 530 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:57:16,666 INFO L231 Difference]: Finished difference. Result has 202 places, 212 transitions, 496 flow [2024-11-28 02:57:16,667 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=496, PETRI_PLACES=202, PETRI_TRANSITIONS=212} [2024-11-28 02:57:16,667 INFO L279 CegarLoopForPetriNet]: 229 programPoint places, -27 predicate places. [2024-11-28 02:57:16,668 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 212 transitions, 496 flow [2024-11-28 02:57:16,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:16,669 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:16,669 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:16,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:57:16,670 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting counter_threadErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 02:57:16,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:16,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1243052933, now seen corresponding path program 1 times [2024-11-28 02:57:16,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:16,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308321156] [2024-11-28 02:57:16,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:16,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:16,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:57:16,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:16,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308321156] [2024-11-28 02:57:16,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308321156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:16,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:16,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:16,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376922237] [2024-11-28 02:57:16,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:16,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:16,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:16,784 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:16,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:16,812 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 271 [2024-11-28 02:57:16,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 212 transitions, 496 flow. Second operand has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:16,813 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:16,813 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 271 [2024-11-28 02:57:16,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:17,211 INFO L124 PetriNetUnfolderBase]: 355/2486 cut-off events. [2024-11-28 02:57:17,212 INFO L125 PetriNetUnfolderBase]: For 114/117 co-relation queries the response was YES. [2024-11-28 02:57:17,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3107 conditions, 2486 events. 355/2486 cut-off events. For 114/117 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 20824 event pairs, 42 based on Foata normal form. 2/2191 useless extension candidates. Maximal degree in co-relation 2908. Up to 233 conditions per place. [2024-11-28 02:57:17,235 INFO L140 encePairwiseOnDemand]: 266/271 looper letters, 20 selfloop transitions, 6 changer transitions 0/223 dead transitions. [2024-11-28 02:57:17,235 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 223 transitions, 584 flow [2024-11-28 02:57:17,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:17,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:17,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 713 transitions. [2024-11-28 02:57:17,237 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8769987699876999 [2024-11-28 02:57:17,237 INFO L175 Difference]: Start difference. First operand has 202 places, 212 transitions, 496 flow. Second operand 3 states and 713 transitions. [2024-11-28 02:57:17,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 223 transitions, 584 flow [2024-11-28 02:57:17,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 223 transitions, 572 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:57:17,245 INFO L231 Difference]: Finished difference. Result has 204 places, 217 transitions, 542 flow [2024-11-28 02:57:17,245 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=542, PETRI_PLACES=204, PETRI_TRANSITIONS=217} [2024-11-28 02:57:17,249 INFO L279 CegarLoopForPetriNet]: 229 programPoint places, -25 predicate places. [2024-11-28 02:57:17,249 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 217 transitions, 542 flow [2024-11-28 02:57:17,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:17,249 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:17,249 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:17,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:57:17,250 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting monitor_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 02:57:17,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:17,250 INFO L85 PathProgramCache]: Analyzing trace with hash 716297492, now seen corresponding path program 1 times [2024-11-28 02:57:17,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:17,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400490351] [2024-11-28 02:57:17,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:17,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:17,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:57:17,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:17,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400490351] [2024-11-28 02:57:17,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400490351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:17,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:17,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:57:17,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593902518] [2024-11-28 02:57:17,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:17,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:57:17,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:17,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:57:17,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:57:17,804 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 271 [2024-11-28 02:57:17,806 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 217 transitions, 542 flow. Second operand has 5 states, 5 states have (on average 227.8) internal successors, (1139), 5 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:17,806 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:17,806 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 271 [2024-11-28 02:57:17,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:18,796 INFO L124 PetriNetUnfolderBase]: 811/5259 cut-off events. [2024-11-28 02:57:18,796 INFO L125 PetriNetUnfolderBase]: For 291/304 co-relation queries the response was YES. [2024-11-28 02:57:18,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6818 conditions, 5259 events. 811/5259 cut-off events. For 291/304 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 52814 event pairs, 74 based on Foata normal form. 4/4673 useless extension candidates. Maximal degree in co-relation 6569. Up to 432 conditions per place. [2024-11-28 02:57:18,838 INFO L140 encePairwiseOnDemand]: 261/271 looper letters, 31 selfloop transitions, 23 changer transitions 0/254 dead transitions. [2024-11-28 02:57:18,838 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 254 transitions, 728 flow [2024-11-28 02:57:18,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:57:18,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 02:57:18,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2090 transitions. [2024-11-28 02:57:18,843 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8569085690856909 [2024-11-28 02:57:18,844 INFO L175 Difference]: Start difference. First operand has 204 places, 217 transitions, 542 flow. Second operand 9 states and 2090 transitions. [2024-11-28 02:57:18,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 254 transitions, 728 flow [2024-11-28 02:57:18,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 254 transitions, 716 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:57:18,852 INFO L231 Difference]: Finished difference. Result has 218 places, 239 transitions, 700 flow [2024-11-28 02:57:18,852 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=700, PETRI_PLACES=218, PETRI_TRANSITIONS=239} [2024-11-28 02:57:18,855 INFO L279 CegarLoopForPetriNet]: 229 programPoint places, -11 predicate places. [2024-11-28 02:57:18,855 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 239 transitions, 700 flow [2024-11-28 02:57:18,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 227.8) internal successors, (1139), 5 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:18,856 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:18,856 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:18,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:57:18,856 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting monitor_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 02:57:18,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:18,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1224942510, now seen corresponding path program 2 times [2024-11-28 02:57:18,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:18,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965744201] [2024-11-28 02:57:18,857 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:57:18,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:18,900 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:57:18,901 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:57:19,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:57:19,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:19,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965744201] [2024-11-28 02:57:19,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965744201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:19,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:19,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:57:19,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936948413] [2024-11-28 02:57:19,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:19,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:57:19,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:19,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:57:19,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:57:19,247 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 271 [2024-11-28 02:57:19,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 239 transitions, 700 flow. Second operand has 5 states, 5 states have (on average 227.8) internal successors, (1139), 5 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:19,249 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:19,249 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 271 [2024-11-28 02:57:19,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:20,417 INFO L124 PetriNetUnfolderBase]: 1070/7140 cut-off events. [2024-11-28 02:57:20,417 INFO L125 PetriNetUnfolderBase]: For 1692/1848 co-relation queries the response was YES. [2024-11-28 02:57:20,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10316 conditions, 7140 events. 1070/7140 cut-off events. For 1692/1848 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 78565 event pairs, 65 based on Foata normal form. 38/6432 useless extension candidates. Maximal degree in co-relation 10021. Up to 590 conditions per place. [2024-11-28 02:57:20,489 INFO L140 encePairwiseOnDemand]: 261/271 looper letters, 39 selfloop transitions, 33 changer transitions 0/272 dead transitions. [2024-11-28 02:57:20,490 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 272 transitions, 1011 flow [2024-11-28 02:57:20,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:57:20,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:57:20,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1404 transitions. [2024-11-28 02:57:20,494 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8634686346863468 [2024-11-28 02:57:20,494 INFO L175 Difference]: Start difference. First operand has 218 places, 239 transitions, 700 flow. Second operand 6 states and 1404 transitions. [2024-11-28 02:57:20,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 272 transitions, 1011 flow [2024-11-28 02:57:20,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 272 transitions, 1011 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:57:20,505 INFO L231 Difference]: Finished difference. Result has 228 places, 260 transitions, 970 flow [2024-11-28 02:57:20,506 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=970, PETRI_PLACES=228, PETRI_TRANSITIONS=260} [2024-11-28 02:57:20,507 INFO L279 CegarLoopForPetriNet]: 229 programPoint places, -1 predicate places. [2024-11-28 02:57:20,508 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 260 transitions, 970 flow [2024-11-28 02:57:20,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 227.8) internal successors, (1139), 5 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:20,509 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:20,509 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:20,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:57:20,510 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting monitor_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 02:57:20,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:20,512 INFO L85 PathProgramCache]: Analyzing trace with hash 125013824, now seen corresponding path program 3 times [2024-11-28 02:57:20,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:20,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277134546] [2024-11-28 02:57:20,513 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 02:57:20,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:20,550 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 02:57:20,551 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:57:20,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:57:20,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:20,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277134546] [2024-11-28 02:57:20,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277134546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:20,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:20,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:57:20,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919848199] [2024-11-28 02:57:20,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:20,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:57:20,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:20,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:57:20,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:57:20,914 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 271 [2024-11-28 02:57:20,916 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 260 transitions, 970 flow. Second operand has 5 states, 5 states have (on average 227.8) internal successors, (1139), 5 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:20,917 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:20,917 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 271 [2024-11-28 02:57:20,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:22,444 INFO L124 PetriNetUnfolderBase]: 1277/8397 cut-off events. [2024-11-28 02:57:22,444 INFO L125 PetriNetUnfolderBase]: For 5381/5788 co-relation queries the response was YES. [2024-11-28 02:57:22,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13354 conditions, 8397 events. 1277/8397 cut-off events. For 5381/5788 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 94748 event pairs, 73 based on Foata normal form. 156/7670 useless extension candidates. Maximal degree in co-relation 13024. Up to 690 conditions per place. [2024-11-28 02:57:22,533 INFO L140 encePairwiseOnDemand]: 258/271 looper letters, 40 selfloop transitions, 68 changer transitions 0/308 dead transitions. [2024-11-28 02:57:22,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 308 transitions, 1538 flow [2024-11-28 02:57:22,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:57:22,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 02:57:22,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1645 transitions. [2024-11-28 02:57:22,538 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8671586715867159 [2024-11-28 02:57:22,538 INFO L175 Difference]: Start difference. First operand has 228 places, 260 transitions, 970 flow. Second operand 7 states and 1645 transitions. [2024-11-28 02:57:22,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 308 transitions, 1538 flow [2024-11-28 02:57:22,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 308 transitions, 1522 flow, removed 8 selfloop flow, removed 0 redundant places. [2024-11-28 02:57:22,566 INFO L231 Difference]: Finished difference. Result has 240 places, 295 transitions, 1557 flow [2024-11-28 02:57:22,567 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=954, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1557, PETRI_PLACES=240, PETRI_TRANSITIONS=295} [2024-11-28 02:57:22,567 INFO L279 CegarLoopForPetriNet]: 229 programPoint places, 11 predicate places. [2024-11-28 02:57:22,567 INFO L471 AbstractCegarLoop]: Abstraction has has 240 places, 295 transitions, 1557 flow [2024-11-28 02:57:22,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 227.8) internal successors, (1139), 5 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:22,568 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:22,568 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:22,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:57:22,569 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting monitor_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-28 02:57:22,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:22,569 INFO L85 PathProgramCache]: Analyzing trace with hash -90887830, now seen corresponding path program 4 times [2024-11-28 02:57:22,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:22,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555347705] [2024-11-28 02:57:22,574 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 02:57:22,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:22,609 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 02:57:22,609 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:57:22,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:57:22,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:22,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555347705] [2024-11-28 02:57:22,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555347705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:22,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:22,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:57:22,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361621991] [2024-11-28 02:57:22,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:22,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:57:22,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:22,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:57:22,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:57:22,909 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 271 [2024-11-28 02:57:22,911 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 295 transitions, 1557 flow. Second operand has 5 states, 5 states have (on average 227.8) internal successors, (1139), 5 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:22,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:22,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 271 [2024-11-28 02:57:22,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:23,762 INFO L124 PetriNetUnfolderBase]: 773/5294 cut-off events. [2024-11-28 02:57:23,762 INFO L125 PetriNetUnfolderBase]: For 6739/7148 co-relation queries the response was YES. [2024-11-28 02:57:23,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9028 conditions, 5294 events. 773/5294 cut-off events. For 6739/7148 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 56325 event pairs, 52 based on Foata normal form. 132/4873 useless extension candidates. Maximal degree in co-relation 8671. Up to 434 conditions per place. [2024-11-28 02:57:23,801 INFO L140 encePairwiseOnDemand]: 261/271 looper letters, 0 selfloop transitions, 0 changer transitions 297/297 dead transitions. [2024-11-28 02:57:23,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 297 transitions, 1804 flow [2024-11-28 02:57:23,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:57:23,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 02:57:23,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1638 transitions. [2024-11-28 02:57:23,805 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8634686346863468 [2024-11-28 02:57:23,805 INFO L175 Difference]: Start difference. First operand has 240 places, 295 transitions, 1557 flow. Second operand 7 states and 1638 transitions. [2024-11-28 02:57:23,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 297 transitions, 1804 flow [2024-11-28 02:57:23,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 297 transitions, 1664 flow, removed 25 selfloop flow, removed 3 redundant places. [2024-11-28 02:57:23,832 INFO L231 Difference]: Finished difference. Result has 241 places, 0 transitions, 0 flow [2024-11-28 02:57:23,832 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=1289, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=241, PETRI_TRANSITIONS=0} [2024-11-28 02:57:23,834 INFO L279 CegarLoopForPetriNet]: 229 programPoint places, 12 predicate places. [2024-11-28 02:57:23,834 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 0 transitions, 0 flow [2024-11-28 02:57:23,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 227.8) internal successors, (1139), 5 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:23,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (24 of 25 remaining) [2024-11-28 02:57:23,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2024-11-28 02:57:23,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2024-11-28 02:57:23,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2024-11-28 02:57:23,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2024-11-28 02:57:23,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2024-11-28 02:57:23,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2024-11-28 02:57:23,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining) [2024-11-28 02:57:23,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining) [2024-11-28 02:57:23,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2024-11-28 02:57:23,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining) [2024-11-28 02:57:23,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining) [2024-11-28 02:57:23,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining) [2024-11-28 02:57:23,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining) [2024-11-28 02:57:23,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 25 remaining) [2024-11-28 02:57:23,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 25 remaining) [2024-11-28 02:57:23,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (8 of 25 remaining) [2024-11-28 02:57:23,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining) [2024-11-28 02:57:23,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2024-11-28 02:57:23,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2024-11-28 02:57:23,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2024-11-28 02:57:23,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2024-11-28 02:57:23,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2024-11-28 02:57:23,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2024-11-28 02:57:23,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2024-11-28 02:57:23,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:57:23,841 INFO L422 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1] [2024-11-28 02:57:23,847 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 02:57:23,847 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:57:23,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:57:23 BasicIcfg [2024-11-28 02:57:23,858 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:57:23,859 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:57:23,859 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:57:23,859 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:57:23,860 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:13" (3/4) ... [2024-11-28 02:57:23,861 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:57:23,866 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure monitor_thread [2024-11-28 02:57:23,866 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure counter_thread [2024-11-28 02:57:23,870 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-28 02:57:23,871 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 02:57:23,871 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 02:57:23,962 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4109ecad-c755-4b2c-8511-dcafaf3ea4e1/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:57:23,963 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4109ecad-c755-4b2c-8511-dcafaf3ea4e1/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:57:23,963 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:57:23,964 INFO L158 Benchmark]: Toolchain (without parser) took 12046.55ms. Allocated memory was 142.6MB in the beginning and 587.2MB in the end (delta: 444.6MB). Free memory was 116.0MB in the beginning and 336.6MB in the end (delta: -220.6MB). Peak memory consumption was 225.1MB. Max. memory is 16.1GB. [2024-11-28 02:57:23,964 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:57:23,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1094.71ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 104.4MB in the end (delta: 11.6MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. [2024-11-28 02:57:23,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.66ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 101.5MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:57:23,966 INFO L158 Benchmark]: Boogie Preprocessor took 39.74ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 99.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:57:23,966 INFO L158 Benchmark]: RCFGBuilder took 827.87ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 70.9MB in the end (delta: 28.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 02:57:23,966 INFO L158 Benchmark]: TraceAbstraction took 9921.06ms. Allocated memory was 142.6MB in the beginning and 587.2MB in the end (delta: 444.6MB). Free memory was 70.3MB in the beginning and 345.0MB in the end (delta: -274.7MB). Peak memory consumption was 334.6MB. Max. memory is 16.1GB. [2024-11-28 02:57:23,967 INFO L158 Benchmark]: Witness Printer took 104.17ms. Allocated memory is still 587.2MB. Free memory was 345.0MB in the beginning and 336.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:57:23,968 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1094.71ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 104.4MB in the end (delta: 11.6MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.66ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 101.5MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.74ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 99.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 827.87ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 70.9MB in the end (delta: 28.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 9921.06ms. Allocated memory was 142.6MB in the beginning and 587.2MB in the end (delta: 444.6MB). Free memory was 70.3MB in the beginning and 345.0MB in the end (delta: -274.7MB). Peak memory consumption was 334.6MB. Max. memory is 16.1GB. * Witness Printer took 104.17ms. Allocated memory is still 587.2MB. Free memory was 345.0MB in the beginning and 336.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1819]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1824]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1825]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1828]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1803]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1806]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1808]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1811]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1808]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1843]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1846]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1849]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1852]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1855]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 356 locations, 25 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: 9.7s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 334 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 210 mSDsluCounter, 175 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91 mSDsCounter, 72 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 584 IncrementalHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 72 mSolverCounterUnsat, 84 mSDtfsCounter, 584 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1557occurred in iteration=8, InterpolantAutomatonStates: 44, 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, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 524 NumberOfCodeBlocks, 514 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 515 ConstructedInterpolants, 0 QuantifiedInterpolants, 961 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 14 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 02:57:23,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4109ecad-c755-4b2c-8511-dcafaf3ea4e1/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