./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_03-munge_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedc1a1e-cb99-4e9d-9236-69f345eab4ec/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedc1a1e-cb99-4e9d-9236-69f345eab4ec/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_fedc1a1e-cb99-4e9d-9236-69f345eab4ec/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedc1a1e-cb99-4e9d-9236-69f345eab4ec/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_03-munge_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedc1a1e-cb99-4e9d-9236-69f345eab4ec/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedc1a1e-cb99-4e9d-9236-69f345eab4ec/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7df5d4e763d99c6ca9aa3d4daa03dcc5b8b9d65829db9a89ff85ebe5a14f3ac3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:47:33,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:47:33,929 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedc1a1e-cb99-4e9d-9236-69f345eab4ec/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:47:33,941 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:47:33,941 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:47:33,979 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:47:33,980 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:47:33,981 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:47:33,981 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:47:33,982 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:47:33,983 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:47:33,983 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:47:33,984 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:47:33,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:47:33,985 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:47:33,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:47:33,985 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:47:33,985 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:47:33,986 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:47:33,986 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:47:33,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:47:33,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:47:33,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:47:33,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:47:33,987 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:47:33,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:47:33,987 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:47:33,987 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:47:33,987 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:47:33,987 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:47:33,987 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:47:33,988 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:47:33,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:47:33,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:47:33,989 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:47:33,989 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:47:33,989 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:47:33,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:47:33,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:47:33,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:47:33,990 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:47:33,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:47:33,990 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:47:33,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:47:33,990 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:47:33,990 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:47:33,990 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:47:33,991 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:47:33,991 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_fedc1a1e-cb99-4e9d-9236-69f345eab4ec/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 ! call(reach_error())) ) 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 -> 7df5d4e763d99c6ca9aa3d4daa03dcc5b8b9d65829db9a89ff85ebe5a14f3ac3 [2024-11-28 02:47:34,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:47:34,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:47:34,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:47:34,350 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:47:34,350 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:47:34,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedc1a1e-cb99-4e9d-9236-69f345eab4ec/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/28-race_reach_03-munge_racing.i [2024-11-28 02:47:37,799 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedc1a1e-cb99-4e9d-9236-69f345eab4ec/bin/uautomizer-verify-aQ6SnzHsRB/data/2a1772eda/ba92ca772ebb476dbc415508eb681346/FLAG2c182544c [2024-11-28 02:47:38,190 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:47:38,191 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedc1a1e-cb99-4e9d-9236-69f345eab4ec/sv-benchmarks/c/goblint-regression/28-race_reach_03-munge_racing.i [2024-11-28 02:47:38,220 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedc1a1e-cb99-4e9d-9236-69f345eab4ec/bin/uautomizer-verify-aQ6SnzHsRB/data/2a1772eda/ba92ca772ebb476dbc415508eb681346/FLAG2c182544c [2024-11-28 02:47:38,246 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedc1a1e-cb99-4e9d-9236-69f345eab4ec/bin/uautomizer-verify-aQ6SnzHsRB/data/2a1772eda/ba92ca772ebb476dbc415508eb681346 [2024-11-28 02:47:38,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:47:38,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:47:38,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:47:38,257 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:47:38,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:47:38,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4831937b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38, skipping insertion in model container [2024-11-28 02:47:38,267 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,331 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:47:38,868 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedc1a1e-cb99-4e9d-9236-69f345eab4ec/sv-benchmarks/c/goblint-regression/28-race_reach_03-munge_racing.i[30176,30189] [2024-11-28 02:47:38,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:47:38,934 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:47:38,974 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedc1a1e-cb99-4e9d-9236-69f345eab4ec/sv-benchmarks/c/goblint-regression/28-race_reach_03-munge_racing.i[30176,30189] [2024-11-28 02:47:38,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:47:39,055 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:47:39,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:39 WrapperNode [2024-11-28 02:47:39,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:47:39,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:47:39,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:47:39,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:47:39,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:39" (1/1) ... [2024-11-28 02:47:39,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:39" (1/1) ... [2024-11-28 02:47:39,143 INFO L138 Inliner]: procedures = 173, calls = 47, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 208 [2024-11-28 02:47:39,145 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:47:39,146 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:47:39,146 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:47:39,146 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:47:39,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:39" (1/1) ... [2024-11-28 02:47:39,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:39" (1/1) ... [2024-11-28 02:47:39,165 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:39" (1/1) ... [2024-11-28 02:47:39,190 INFO L175 MemorySlicer]: Split 21 memory accesses to 6 slices as follows [2, 5, 2, 2, 5, 5]. 24 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 0, 0, 5, 5]. The 2 writes are split as follows [0, 0, 1, 1, 0, 0]. [2024-11-28 02:47:39,196 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:39" (1/1) ... [2024-11-28 02:47:39,197 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:39" (1/1) ... [2024-11-28 02:47:39,217 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:39" (1/1) ... [2024-11-28 02:47:39,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:39" (1/1) ... [2024-11-28 02:47:39,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:39" (1/1) ... [2024-11-28 02:47:39,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:39" (1/1) ... [2024-11-28 02:47:39,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:39" (1/1) ... [2024-11-28 02:47:39,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:47:39,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:47:39,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:47:39,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:47:39,235 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:39" (1/1) ... [2024-11-28 02:47:39,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:47:39,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedc1a1e-cb99-4e9d-9236-69f345eab4ec/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:39,287 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedc1a1e-cb99-4e9d-9236-69f345eab4ec/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:39,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fedc1a1e-cb99-4e9d-9236-69f345eab4ec/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:47:39,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:47:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:47:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 02:47:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 02:47:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 02:47:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 02:47:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-11-28 02:47:39,333 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-11-28 02:47:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:47:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:47:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 02:47:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 02:47:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 02:47:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 02:47:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 02:47:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:47:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:47:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2024-11-28 02:47:39,335 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2024-11-28 02:47:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:47:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:47:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:47:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 02:47:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 02:47:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 02:47:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 02:47:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 02:47:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:47:39,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:47:39,340 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 02:47:39,593 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:47:39,597 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:47:40,084 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:47:40,084 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:47:40,392 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:47:40,392 INFO L312 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-28 02:47:40,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:40 BoogieIcfgContainer [2024-11-28 02:47:40,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:47:40,395 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:47:40,396 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:47:40,401 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:47:40,402 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:47:38" (1/3) ... [2024-11-28 02:47:40,402 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb4e4c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:47:40, skipping insertion in model container [2024-11-28 02:47:40,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:39" (2/3) ... [2024-11-28 02:47:40,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb4e4c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:47:40, skipping insertion in model container [2024-11-28 02:47:40,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:40" (3/3) ... [2024-11-28 02:47:40,405 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_03-munge_racing.i [2024-11-28 02:47:40,423 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:47:40,425 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_03-munge_racing.i that has 3 procedures, 74 locations, 1 initial locations, 14 loop locations, and 2 error locations. [2024-11-28 02:47:40,426 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:47:40,525 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-28 02:47:40,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 80 places, 103 transitions, 226 flow [2024-11-28 02:47:40,659 INFO L124 PetriNetUnfolderBase]: 44/175 cut-off events. [2024-11-28 02:47:40,661 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-28 02:47:40,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 175 events. 44/175 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 794 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 108. Up to 8 conditions per place. [2024-11-28 02:47:40,668 INFO L82 GeneralOperation]: Start removeDead. Operand has 80 places, 103 transitions, 226 flow [2024-11-28 02:47:40,673 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 103 transitions, 226 flow [2024-11-28 02:47:40,684 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:47:40,708 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;@272c66b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:47:40,708 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-28 02:47:40,727 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:47:40,729 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-11-28 02:47:40,729 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:47:40,730 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:40,730 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2024-11-28 02:47:40,731 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-28 02:47:40,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:40,739 INFO L85 PathProgramCache]: Analyzing trace with hash 158636585, now seen corresponding path program 1 times [2024-11-28 02:47:40,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:40,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329578797] [2024-11-28 02:47:40,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:40,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:40,923 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:40,987 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:47:40,989 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:47:40,991 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining) [2024-11-28 02:47:40,993 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2024-11-28 02:47:40,993 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2024-11-28 02:47:40,993 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2024-11-28 02:47:40,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2024-11-28 02:47:40,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-11-28 02:47:40,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:47:40,995 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-28 02:47:40,999 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-28 02:47:40,999 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-28 02:47:41,092 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-11-28 02:47:41,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 144 places, 191 transitions, 426 flow [2024-11-28 02:47:41,372 INFO L124 PetriNetUnfolderBase]: 153/531 cut-off events. [2024-11-28 02:47:41,373 INFO L125 PetriNetUnfolderBase]: For 72/80 co-relation queries the response was YES. [2024-11-28 02:47:41,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 620 conditions, 531 events. 153/531 cut-off events. For 72/80 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3262 event pairs, 1 based on Foata normal form. 0/383 useless extension candidates. Maximal degree in co-relation 342. Up to 32 conditions per place. [2024-11-28 02:47:41,385 INFO L82 GeneralOperation]: Start removeDead. Operand has 144 places, 191 transitions, 426 flow [2024-11-28 02:47:41,400 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 191 transitions, 426 flow [2024-11-28 02:47:41,401 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:47:41,402 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;@272c66b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:47:41,402 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-28 02:47:41,419 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:47:41,419 INFO L124 PetriNetUnfolderBase]: 3/60 cut-off events. [2024-11-28 02:47:41,419 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2024-11-28 02:47:41,420 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:41,420 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1] [2024-11-28 02:47:41,420 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-11-28 02:47:41,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:41,421 INFO L85 PathProgramCache]: Analyzing trace with hash -854629233, now seen corresponding path program 1 times [2024-11-28 02:47:41,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:41,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650822361] [2024-11-28 02:47:41,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:41,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:41,469 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:41,503 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:47:41,503 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:47:41,503 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-11-28 02:47:41,504 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2024-11-28 02:47:41,504 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 8 remaining) [2024-11-28 02:47:41,504 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2024-11-28 02:47:41,504 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2024-11-28 02:47:41,505 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2024-11-28 02:47:41,505 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 8 remaining) [2024-11-28 02:47:41,505 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 8 remaining) [2024-11-28 02:47:41,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:47:41,505 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-28 02:47:41,506 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-28 02:47:41,506 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-28 02:47:41,596 INFO L143 ThreadInstanceAdder]: Constructed 12 joinOtherThreadTransitions. [2024-11-28 02:47:41,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 208 places, 279 transitions, 630 flow [2024-11-28 02:47:42,149 INFO L124 PetriNetUnfolderBase]: 516/1457 cut-off events. [2024-11-28 02:47:42,149 INFO L125 PetriNetUnfolderBase]: For 419/459 co-relation queries the response was YES. [2024-11-28 02:47:42,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1893 conditions, 1457 events. 516/1457 cut-off events. For 419/459 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 9865 event pairs, 32 based on Foata normal form. 0/1106 useless extension candidates. Maximal degree in co-relation 1052. Up to 192 conditions per place. [2024-11-28 02:47:42,179 INFO L82 GeneralOperation]: Start removeDead. Operand has 208 places, 279 transitions, 630 flow [2024-11-28 02:47:42,219 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 208 places, 279 transitions, 630 flow [2024-11-28 02:47:42,220 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:47:42,221 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;@272c66b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:47:42,221 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-28 02:47:42,291 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:47:42,291 INFO L124 PetriNetUnfolderBase]: 12/135 cut-off events. [2024-11-28 02:47:42,291 INFO L125 PetriNetUnfolderBase]: For 22/30 co-relation queries the response was YES. [2024-11-28 02:47:42,291 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:42,292 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:42,292 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-11-28 02:47:42,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:42,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1234663748, now seen corresponding path program 1 times [2024-11-28 02:47:42,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:42,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927698600] [2024-11-28 02:47:42,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:42,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:42,703 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 02:47:42,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:42,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927698600] [2024-11-28 02:47:42,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927698600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:42,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:42,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:47:42,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435840801] [2024-11-28 02:47:42,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:42,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:47:42,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:42,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:47:42,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:47:42,766 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 279 [2024-11-28 02:47:42,771 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 279 transitions, 630 flow. Second operand has 4 states, 4 states have (on average 80.5) internal successors, (322), 4 states have internal predecessors, (322), 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 02:47:42,771 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:42,771 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 279 [2024-11-28 02:47:42,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand