./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac56f2a5-db8e-4f8f-9c6b-20263b5cc42f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac56f2a5-db8e-4f8f-9c6b-20263b5cc42f/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_ac56f2a5-db8e-4f8f-9c6b-20263b5cc42f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac56f2a5-db8e-4f8f-9c6b-20263b5cc42f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac56f2a5-db8e-4f8f-9c6b-20263b5cc42f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac56f2a5-db8e-4f8f-9c6b-20263b5cc42f/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b78dfc9c2705d92d2bcea2c224e1a0e17a9d3d516f404185e5eda6bc0d05a15c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:17:36,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:17:36,276 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac56f2a5-db8e-4f8f-9c6b-20263b5cc42f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 03:17:36,282 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:17:36,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:17:36,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:17:36,312 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:17:36,313 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:17:36,313 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:17:36,313 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:17:36,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:17:36,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:17:36,314 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:17:36,314 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:17:36,315 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:17:36,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:17:36,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:17:36,315 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:17:36,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:17:36,315 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:17:36,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:17:36,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:17:36,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:17:36,316 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:17:36,317 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 03:17:36,317 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:17:36,317 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:17:36,317 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:17:36,317 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:17:36,317 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:17:36,318 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:17:36,318 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:17:36,318 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:17:36,318 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:17:36,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:17:36,319 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:17:36,319 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:17:36,319 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:17:36,319 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:17:36,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:17:36,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:17:36,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:17:36,319 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:17:36,320 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:17:36,320 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:17:36,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:17:36,320 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:17:36,321 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:17:36,321 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:17:36,321 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:17:36,321 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_ac56f2a5-db8e-4f8f-9c6b-20263b5cc42f/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 ! overflow) ) 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 -> b78dfc9c2705d92d2bcea2c224e1a0e17a9d3d516f404185e5eda6bc0d05a15c [2024-11-28 03:17:36,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:17:36,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:17:36,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:17:36,683 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:17:36,683 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:17:36,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac56f2a5-db8e-4f8f-9c6b-20263b5cc42f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2024-11-28 03:17:40,379 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac56f2a5-db8e-4f8f-9c6b-20263b5cc42f/bin/uautomizer-verify-aQ6SnzHsRB/data/77f4438d5/8d469541ed194aaea337a5d02cbfb917/FLAG5e70514c5 [2024-11-28 03:17:40,710 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:17:40,711 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac56f2a5-db8e-4f8f-9c6b-20263b5cc42f/sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2024-11-28 03:17:40,721 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac56f2a5-db8e-4f8f-9c6b-20263b5cc42f/bin/uautomizer-verify-aQ6SnzHsRB/data/77f4438d5/8d469541ed194aaea337a5d02cbfb917/FLAG5e70514c5 [2024-11-28 03:17:40,738 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac56f2a5-db8e-4f8f-9c6b-20263b5cc42f/bin/uautomizer-verify-aQ6SnzHsRB/data/77f4438d5/8d469541ed194aaea337a5d02cbfb917 [2024-11-28 03:17:40,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:17:40,743 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:17:40,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:17:40,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:17:40,751 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:17:40,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:40" (1/1) ... [2024-11-28 03:17:40,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6958be3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:40, skipping insertion in model container [2024-11-28 03:17:40,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:40" (1/1) ... [2024-11-28 03:17:40,775 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:17:41,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:17:41,089 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:17:41,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:17:41,167 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:17:41,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:41 WrapperNode [2024-11-28 03:17:41,168 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:17:41,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:17:41,170 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:17:41,170 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:17:41,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:41" (1/1) ... [2024-11-28 03:17:41,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:41" (1/1) ... [2024-11-28 03:17:41,250 INFO L138 Inliner]: procedures = 22, calls = 21, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 228 [2024-11-28 03:17:41,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:17:41,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:17:41,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:17:41,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:17:41,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:41" (1/1) ... [2024-11-28 03:17:41,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:41" (1/1) ... [2024-11-28 03:17:41,273 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:41" (1/1) ... [2024-11-28 03:17:41,305 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 03:17:41,305 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:41" (1/1) ... [2024-11-28 03:17:41,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:41" (1/1) ... [2024-11-28 03:17:41,321 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:41" (1/1) ... [2024-11-28 03:17:41,322 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:41" (1/1) ... [2024-11-28 03:17:41,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:41" (1/1) ... [2024-11-28 03:17:41,326 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:41" (1/1) ... [2024-11-28 03:17:41,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:41" (1/1) ... [2024-11-28 03:17:41,330 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:17:41,331 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:17:41,331 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:17:41,331 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:17:41,332 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:41" (1/1) ... [2024-11-28 03:17:41,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:17:41,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac56f2a5-db8e-4f8f-9c6b-20263b5cc42f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:17:41,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac56f2a5-db8e-4f8f-9c6b-20263b5cc42f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:17:41,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac56f2a5-db8e-4f8f-9c6b-20263b5cc42f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:17:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:17:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 03:17:41,436 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 03:17:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 03:17:41,437 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 03:17:41,437 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-28 03:17:41,437 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-28 03:17:41,437 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-28 03:17:41,437 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-28 03:17:41,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:17:41,437 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-28 03:17:41,437 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-28 03:17:41,437 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-11-28 03:17:41,438 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-11-28 03:17:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:17:41,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:17:41,441 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 03:17:41,633 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:17:41,635 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:17:42,130 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:17:42,130 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:17:42,417 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:17:42,417 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:17:42,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:42 BoogieIcfgContainer [2024-11-28 03:17:42,420 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:17:42,426 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:17:42,426 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:17:42,433 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:17:42,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:17:40" (1/3) ... [2024-11-28 03:17:42,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41cf0f4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:42, skipping insertion in model container [2024-11-28 03:17:42,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:41" (2/3) ... [2024-11-28 03:17:42,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41cf0f4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:42, skipping insertion in model container [2024-11-28 03:17:42,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:42" (3/3) ... [2024-11-28 03:17:42,437 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-barrier.wvr.c [2024-11-28 03:17:42,456 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:17:42,458 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-barrier.wvr.c that has 7 procedures, 103 locations, 1 initial locations, 0 loop locations, and 16 error locations. [2024-11-28 03:17:42,460 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:17:42,606 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-11-28 03:17:42,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 127 places, 112 transitions, 290 flow [2024-11-28 03:17:42,781 INFO L124 PetriNetUnfolderBase]: 4/100 cut-off events. [2024-11-28 03:17:42,784 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-28 03:17:42,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 100 events. 4/100 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 266 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 97. Up to 3 conditions per place. [2024-11-28 03:17:42,794 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 112 transitions, 290 flow [2024-11-28 03:17:42,801 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 113 places, 98 transitions, 241 flow [2024-11-28 03:17:42,817 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:17:42,843 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;@21da9c94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:17:42,845 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2024-11-28 03:17:42,874 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:17:42,874 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-11-28 03:17:42,875 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:17:42,875 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:42,876 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] [2024-11-28 03:17:42,876 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-28 03:17:42,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:42,885 INFO L85 PathProgramCache]: Analyzing trace with hash -916797830, now seen corresponding path program 1 times [2024-11-28 03:17:42,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:42,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153873293] [2024-11-28 03:17:42,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:42,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:43,811 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 03:17:43,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:43,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153873293] [2024-11-28 03:17:43,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153873293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:43,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:43,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:17:43,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815956314] [2024-11-28 03:17:43,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:43,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:17:43,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:43,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:17:43,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:17:44,025 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 116 [2024-11-28 03:17:44,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 98 transitions, 241 flow. Second operand has 7 states, 7 states have (on average 48.285714285714285) internal successors, (338), 7 states have internal predecessors, (338), 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 03:17:44,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:44,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 116 [2024-11-28 03:17:44,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:18:01,954 INFO L124 PetriNetUnfolderBase]: 103627/151011 cut-off events. [2024-11-28 03:18:01,954 INFO L125 PetriNetUnfolderBase]: For 12107/12107 co-relation queries the response was YES. [2024-11-28 03:18:02,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 299865 conditions, 151011 events. 103627/151011 cut-off events. For 12107/12107 co-relation queries the response was YES. Maximal size of possible extension queue 4471. Compared 1194863 event pairs, 4585 based on Foata normal form. 3920/143361 useless extension candidates. Maximal degree in co-relation 298172. Up to 25846 conditions per place. [2024-11-28 03:18:03,685 INFO L140 encePairwiseOnDemand]: 98/116 looper letters, 335 selfloop transitions, 47 changer transitions 0/422 dead transitions. [2024-11-28 03:18:03,686 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 422 transitions, 1905 flow [2024-11-28 03:18:03,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 03:18:03,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-28 03:18:03,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1130 transitions. [2024-11-28 03:18:03,728 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6088362068965517 [2024-11-28 03:18:03,733 INFO L175 Difference]: Start difference. First operand has 113 places, 98 transitions, 241 flow. Second operand 16 states and 1130 transitions. [2024-11-28 03:18:03,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 422 transitions, 1905 flow [2024-11-28 03:18:04,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 422 transitions, 1714 flow, removed 0 selfloop flow, removed 11 redundant places. [2024-11-28 03:18:04,085 INFO L231 Difference]: Finished difference. Result has 129 places, 140 transitions, 562 flow [2024-11-28 03:18:04,088 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=562, PETRI_PLACES=129, PETRI_TRANSITIONS=140} [2024-11-28 03:18:04,093 INFO L279 CegarLoopForPetriNet]: 113 programPoint places, 16 predicate places. [2024-11-28 03:18:04,093 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 140 transitions, 562 flow [2024-11-28 03:18:04,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.285714285714285) internal successors, (338), 7 states have internal predecessors, (338), 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 03:18:04,094 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:18:04,094 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] [2024-11-28 03:18:04,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:18:04,095 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-28 03:18:04,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:04,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1644038937, now seen corresponding path program 1 times [2024-11-28 03:18:04,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:04,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923599741] [2024-11-28 03:18:04,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:04,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:04,351 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 03:18:04,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:04,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923599741] [2024-11-28 03:18:04,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923599741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:04,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:04,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:18:04,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120198505] [2024-11-28 03:18:04,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:04,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:18:04,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:04,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:18:04,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:18:04,420 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 116 [2024-11-28 03:18:04,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 140 transitions, 562 flow. Second operand has 7 states, 7 states have (on average 48.285714285714285) internal successors, (338), 7 states have internal predecessors, (338), 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 03:18:04,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:18:04,421 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 116 [2024-11-28 03:18:04,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:18:21,149 INFO L124 PetriNetUnfolderBase]: 93187/136875 cut-off events. [2024-11-28 03:18:21,149 INFO L125 PetriNetUnfolderBase]: For 236322/236990 co-relation queries the response was YES. [2024-11-28 03:18:21,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 348727 conditions, 136875 events. 93187/136875 cut-off events. For 236322/236990 co-relation queries the response was YES. Maximal size of possible extension queue 4274. Compared 1088193 event pairs, 5561 based on Foata normal form. 4212/130543 useless extension candidates. Maximal degree in co-relation 345081. Up to 36283 conditions per place. [2024-11-28 03:18:22,363 INFO L140 encePairwiseOnDemand]: 98/116 looper letters, 341 selfloop transitions, 63 changer transitions 0/444 dead transitions. [2024-11-28 03:18:22,364 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 444 transitions, 2425 flow [2024-11-28 03:18:22,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 03:18:22,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-28 03:18:22,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1176 transitions. [2024-11-28 03:18:22,370 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5963488843813387 [2024-11-28 03:18:22,370 INFO L175 Difference]: Start difference. First operand has 129 places, 140 transitions, 562 flow. Second operand 17 states and 1176 transitions. [2024-11-28 03:18:22,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 444 transitions, 2425 flow [2024-11-28 03:18:30,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 444 transitions, 2399 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-28 03:18:30,921 INFO L231 Difference]: Finished difference. Result has 146 places, 165 transitions, 860 flow [2024-11-28 03:18:30,922 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=860, PETRI_PLACES=146, PETRI_TRANSITIONS=165} [2024-11-28 03:18:30,922 INFO L279 CegarLoopForPetriNet]: 113 programPoint places, 33 predicate places. [2024-11-28 03:18:30,923 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 165 transitions, 860 flow [2024-11-28 03:18:30,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.285714285714285) internal successors, (338), 7 states have internal predecessors, (338), 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 03:18:30,923 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:18:30,924 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] [2024-11-28 03:18:30,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:18:30,924 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread5Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-28 03:18:30,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:30,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1309241627, now seen corresponding path program 1 times [2024-11-28 03:18:30,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:30,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416164786] [2024-11-28 03:18:30,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:30,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:31,105 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 03:18:31,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:31,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416164786] [2024-11-28 03:18:31,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416164786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:31,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:31,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:18:31,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445172127] [2024-11-28 03:18:31,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:31,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:18:31,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:31,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:18:31,108 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:18:31,152 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 116 [2024-11-28 03:18:31,153 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 165 transitions, 860 flow. Second operand has 5 states, 5 states have (on average 52.4) internal successors, (262), 5 states have internal predecessors, (262), 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 03:18:31,153 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:18:31,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 116 [2024-11-28 03:18:31,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand