./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c --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_26ca0bea-3e35-4611-9549-69193bd4ffde/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ca0bea-3e35-4611-9549-69193bd4ffde/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_26ca0bea-3e35-4611-9549-69193bd4ffde/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ca0bea-3e35-4611-9549-69193bd4ffde/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ca0bea-3e35-4611-9549-69193bd4ffde/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_26ca0bea-3e35-4611-9549-69193bd4ffde/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 9c69d99d457f457373aeec8cf091a3652593de03a43f690cddfeb4bfa1e12a5f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:50:31,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:50:31,862 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ca0bea-3e35-4611-9549-69193bd4ffde/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:50:31,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:50:31,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:50:31,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:50:31,894 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:50:31,895 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:50:31,895 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:50:31,895 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:50:31,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:50:31,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:50:31,896 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:50:31,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:50:31,896 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:50:31,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:50:31,896 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:50:31,896 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:50:31,897 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:50:31,897 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:50:31,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:50:31,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:50:31,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:50:31,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:50:31,897 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:50:31,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:50:31,898 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:50:31,898 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:50:31,898 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:50:31,898 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:50:31,898 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:50:31,898 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:50:31,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:50:31,899 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:50:31,899 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:50:31,899 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:50:31,899 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:50:31,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:50:31,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:50:31,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:50:31,900 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:50:31,900 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:50:31,900 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:50:31,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:50:31,900 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:50:31,900 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:50:31,900 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:50:31,900 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:50:31,900 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_26ca0bea-3e35-4611-9549-69193bd4ffde/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 -> 9c69d99d457f457373aeec8cf091a3652593de03a43f690cddfeb4bfa1e12a5f [2024-11-28 02:50:32,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:50:32,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:50:32,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:50:32,252 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:50:32,253 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:50:32,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ca0bea-3e35-4611-9549-69193bd4ffde/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c [2024-11-28 02:50:35,261 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ca0bea-3e35-4611-9549-69193bd4ffde/bin/uautomizer-verify-aQ6SnzHsRB/data/103f4b6d7/500c10bff54445a8acd1c68336c6f338/FLAG32e7725ee [2024-11-28 02:50:35,578 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:50:35,579 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ca0bea-3e35-4611-9549-69193bd4ffde/sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c [2024-11-28 02:50:35,611 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ca0bea-3e35-4611-9549-69193bd4ffde/bin/uautomizer-verify-aQ6SnzHsRB/data/103f4b6d7/500c10bff54445a8acd1c68336c6f338/FLAG32e7725ee [2024-11-28 02:50:35,631 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ca0bea-3e35-4611-9549-69193bd4ffde/bin/uautomizer-verify-aQ6SnzHsRB/data/103f4b6d7/500c10bff54445a8acd1c68336c6f338 [2024-11-28 02:50:35,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:50:35,636 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:50:35,637 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:50:35,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:50:35,643 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:50:35,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:50:35" (1/1) ... [2024-11-28 02:50:35,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@262c2d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:35, skipping insertion in model container [2024-11-28 02:50:35,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:50:35" (1/1) ... [2024-11-28 02:50:35,664 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:50:35,869 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_26ca0bea-3e35-4611-9549-69193bd4ffde/sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c[2777,2790] [2024-11-28 02:50:35,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:50:35,885 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:50:35,921 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_26ca0bea-3e35-4611-9549-69193bd4ffde/sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c[2777,2790] [2024-11-28 02:50:35,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:50:35,937 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:50:35,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:35 WrapperNode [2024-11-28 02:50:35,938 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:50:35,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:50:35,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:50:35,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:50:35,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:35" (1/1) ... [2024-11-28 02:50:35,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:35" (1/1) ... [2024-11-28 02:50:35,996 INFO L138 Inliner]: procedures = 21, calls = 18, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 204 [2024-11-28 02:50:35,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:50:35,996 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:50:35,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:50:35,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:50:36,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:35" (1/1) ... [2024-11-28 02:50:36,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:35" (1/1) ... [2024-11-28 02:50:36,014 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:35" (1/1) ... [2024-11-28 02:50:36,041 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 02:50:36,041 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:35" (1/1) ... [2024-11-28 02:50:36,042 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:35" (1/1) ... [2024-11-28 02:50:36,047 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:35" (1/1) ... [2024-11-28 02:50:36,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:35" (1/1) ... [2024-11-28 02:50:36,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:35" (1/1) ... [2024-11-28 02:50:36,052 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:35" (1/1) ... [2024-11-28 02:50:36,053 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:35" (1/1) ... [2024-11-28 02:50:36,055 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:50:36,056 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:50:36,056 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:50:36,056 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:50:36,057 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:35" (1/1) ... [2024-11-28 02:50:36,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:50:36,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ca0bea-3e35-4611-9549-69193bd4ffde/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:50:36,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ca0bea-3e35-4611-9549-69193bd4ffde/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:50:36,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26ca0bea-3e35-4611-9549-69193bd4ffde/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:50:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:50:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 02:50:36,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 02:50:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 02:50:36,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 02:50:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-28 02:50:36,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-28 02:50:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-28 02:50:36,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-28 02:50:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:50:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-28 02:50:36,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-28 02:50:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:50:36,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:50:36,120 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 02:50:36,251 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:50:36,253 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:50:36,647 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:50:36,647 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:50:36,900 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:50:36,900 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:50:36,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:50:36 BoogieIcfgContainer [2024-11-28 02:50:36,901 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:50:36,904 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:50:36,904 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:50:36,909 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:50:36,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:50:35" (1/3) ... [2024-11-28 02:50:36,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68774fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:50:36, skipping insertion in model container [2024-11-28 02:50:36,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:35" (2/3) ... [2024-11-28 02:50:36,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68774fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:50:36, skipping insertion in model container [2024-11-28 02:50:36,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:50:36" (3/3) ... [2024-11-28 02:50:36,939 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-ticket-5.wvr.c [2024-11-28 02:50:36,956 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:50:36,958 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-ticket-5.wvr.c that has 6 procedures, 68 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-28 02:50:36,958 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:50:37,032 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-11-28 02:50:37,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 71 transitions, 177 flow [2024-11-28 02:50:37,129 INFO L124 PetriNetUnfolderBase]: 4/66 cut-off events. [2024-11-28 02:50:37,131 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-28 02:50:37,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 66 events. 4/66 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 133 event pairs, 0 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2024-11-28 02:50:37,136 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 71 transitions, 177 flow [2024-11-28 02:50:37,140 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 65 transitions, 160 flow [2024-11-28 02:50:37,150 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:50:37,165 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;@4cc2bf16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:50:37,165 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-28 02:50:37,210 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:50:37,213 INFO L124 PetriNetUnfolderBase]: 4/64 cut-off events. [2024-11-28 02:50:37,214 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-28 02:50:37,214 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:50:37,215 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:50:37,215 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-28 02:50:37,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:50:37,225 INFO L85 PathProgramCache]: Analyzing trace with hash -2028170032, now seen corresponding path program 1 times [2024-11-28 02:50:37,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:50:37,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325799646] [2024-11-28 02:50:37,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:50:37,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:50:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:50:37,855 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 02:50:37,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:50:37,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325799646] [2024-11-28 02:50:37,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325799646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:50:37,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:50:37,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:50:37,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932864195] [2024-11-28 02:50:37,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:50:37,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:50:37,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:50:37,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:50:37,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:50:37,929 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 71 [2024-11-28 02:50:37,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 65 transitions, 160 flow. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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 02:50:37,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:50:37,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 71 [2024-11-28 02:50:37,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:50:48,692 INFO L124 PetriNetUnfolderBase]: 99649/127788 cut-off events. [2024-11-28 02:50:48,693 INFO L125 PetriNetUnfolderBase]: For 7734/7734 co-relation queries the response was YES. [2024-11-28 02:50:48,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 257863 conditions, 127788 events. 99649/127788 cut-off events. For 7734/7734 co-relation queries the response was YES. Maximal size of possible extension queue 4123. Compared 767627 event pairs, 29161 based on Foata normal form. 1/125638 useless extension candidates. Maximal degree in co-relation 234253. Up to 86558 conditions per place. [2024-11-28 02:50:49,626 INFO L140 encePairwiseOnDemand]: 63/71 looper letters, 74 selfloop transitions, 7 changer transitions 1/101 dead transitions. [2024-11-28 02:50:49,627 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 101 transitions, 420 flow [2024-11-28 02:50:49,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:50:49,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:50:49,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 155 transitions. [2024-11-28 02:50:49,649 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7276995305164319 [2024-11-28 02:50:49,652 INFO L175 Difference]: Start difference. First operand has 77 places, 65 transitions, 160 flow. Second operand 3 states and 155 transitions. [2024-11-28 02:50:49,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 101 transitions, 420 flow [2024-11-28 02:50:50,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 101 transitions, 384 flow, removed 0 selfloop flow, removed 10 redundant places. [2024-11-28 02:50:50,033 INFO L231 Difference]: Finished difference. Result has 70 places, 69 transitions, 179 flow [2024-11-28 02:50:50,036 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=179, PETRI_PLACES=70, PETRI_TRANSITIONS=69} [2024-11-28 02:50:50,041 INFO L279 CegarLoopForPetriNet]: 77 programPoint places, -7 predicate places. [2024-11-28 02:50:50,041 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 69 transitions, 179 flow [2024-11-28 02:50:50,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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 02:50:50,042 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:50:50,042 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:50:50,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:50:50,043 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-28 02:50:50,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:50:50,044 INFO L85 PathProgramCache]: Analyzing trace with hash 380997117, now seen corresponding path program 1 times [2024-11-28 02:50:50,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:50:50,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66188901] [2024-11-28 02:50:50,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:50:50,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:50:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:50:50,322 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 02:50:50,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:50:50,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66188901] [2024-11-28 02:50:50,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66188901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:50:50,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:50:50,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:50:50,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901383369] [2024-11-28 02:50:50,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:50:50,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:50:50,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:50:50,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:50:50,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:50:50,354 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 71 [2024-11-28 02:50:50,355 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 69 transitions, 179 flow. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 02:50:50,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:50:50,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 71 [2024-11-28 02:50:50,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:51:08,095 INFO L124 PetriNetUnfolderBase]: 207959/269556 cut-off events. [2024-11-28 02:51:08,095 INFO L125 PetriNetUnfolderBase]: For 3682/3682 co-relation queries the response was YES. [2024-11-28 02:51:08,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 544951 conditions, 269556 events. 207959/269556 cut-off events. For 3682/3682 co-relation queries the response was YES. Maximal size of possible extension queue 8245. Compared 1745821 event pairs, 159656 based on Foata normal form. 0/264029 useless extension candidates. Maximal degree in co-relation 343042. Up to 231888 conditions per place. [2024-11-28 02:51:09,546 INFO L140 encePairwiseOnDemand]: 58/71 looper letters, 73 selfloop transitions, 9 changer transitions 0/99 dead transitions. [2024-11-28 02:51:09,546 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 99 transitions, 407 flow [2024-11-28 02:51:09,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:51:09,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:51:09,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 140 transitions. [2024-11-28 02:51:09,549 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6572769953051644 [2024-11-28 02:51:09,549 INFO L175 Difference]: Start difference. First operand has 70 places, 69 transitions, 179 flow. Second operand 3 states and 140 transitions. [2024-11-28 02:51:09,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 99 transitions, 407 flow [2024-11-28 02:51:09,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 99 transitions, 400 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:51:09,561 INFO L231 Difference]: Finished difference. Result has 73 places, 74 transitions, 236 flow [2024-11-28 02:51:09,562 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=73, PETRI_TRANSITIONS=74} [2024-11-28 02:51:09,563 INFO L279 CegarLoopForPetriNet]: 77 programPoint places, -4 predicate places. [2024-11-28 02:51:09,563 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 74 transitions, 236 flow [2024-11-28 02:51:09,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 02:51:09,563 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:51:09,563 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:51:09,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:51:09,564 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-28 02:51:09,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:51:09,564 INFO L85 PathProgramCache]: Analyzing trace with hash 837968365, now seen corresponding path program 1 times [2024-11-28 02:51:09,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:51:09,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751257525] [2024-11-28 02:51:09,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:51:09,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:51:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:51:10,193 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 02:51:10,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:51:10,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751257525] [2024-11-28 02:51:10,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751257525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:51:10,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:51:10,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:51:10,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372372822] [2024-11-28 02:51:10,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:51:10,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:51:10,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:51:10,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:51:10,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:51:10,205 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 71 [2024-11-28 02:51:10,206 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 74 transitions, 236 flow. Second operand has 9 states, 9 states have (on average 31.77777777777778) internal successors, (286), 9 states have internal predecessors, (286), 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 02:51:10,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:51:10,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 71 [2024-11-28 02:51:10,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand