./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12ecb3c-2aa0-47d1-9a39-0713c638bb99/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12ecb3c-2aa0-47d1-9a39-0713c638bb99/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12ecb3c-2aa0-47d1-9a39-0713c638bb99/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12ecb3c-2aa0-47d1-9a39-0713c638bb99/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12ecb3c-2aa0-47d1-9a39-0713c638bb99/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12ecb3c-2aa0-47d1-9a39-0713c638bb99/bin/uautomizer-verify-qhAvR1uOyd --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-826ab2b [2024-11-13 16:26:29,255 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:26:29,365 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12ecb3c-2aa0-47d1-9a39-0713c638bb99/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 16:26:29,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:26:29,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:26:29,416 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:26:29,417 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:26:29,417 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:26:29,420 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:26:29,420 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:26:29,420 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:26:29,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:26:29,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:26:29,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:26:29,422 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:26:29,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:26:29,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:26:29,424 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:26:29,425 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:26:29,425 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:26:29,425 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:26:29,425 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:26:29,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:26:29,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:26:29,426 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:26:29,426 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:26:29,426 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:26:29,426 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:26:29,426 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:26:29,426 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:26:29,426 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:26:29,426 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:26:29,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:26:29,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:26:29,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:26:29,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:26:29,427 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:26:29,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:26:29,427 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:26:29,427 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:26:29,427 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:26:29,427 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:26:29,427 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_b12ecb3c-2aa0-47d1-9a39-0713c638bb99/bin/uautomizer-verify-qhAvR1uOyd 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 [2024-11-13 16:26:29,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:26:29,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:26:29,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:26:29,789 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:26:29,789 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:26:29,790 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12ecb3c-2aa0-47d1-9a39-0713c638bb99/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c Unable to find full path for "g++" [2024-11-13 16:26:31,961 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:26:32,323 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:26:32,325 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12ecb3c-2aa0-47d1-9a39-0713c638bb99/sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c [2024-11-13 16:26:32,339 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12ecb3c-2aa0-47d1-9a39-0713c638bb99/bin/uautomizer-verify-qhAvR1uOyd/data/6e37215b9/3da97033b29440a484e0b7da2c9693a9/FLAGdc6d52915 [2024-11-13 16:26:32,368 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12ecb3c-2aa0-47d1-9a39-0713c638bb99/bin/uautomizer-verify-qhAvR1uOyd/data/6e37215b9/3da97033b29440a484e0b7da2c9693a9 [2024-11-13 16:26:32,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:26:32,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:26:32,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:26:32,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:26:32,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:26:32,388 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:26:32" (1/1) ... [2024-11-13 16:26:32,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e22b9d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:32, skipping insertion in model container [2024-11-13 16:26:32,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:26:32" (1/1) ... [2024-11-13 16:26:32,418 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:26:32,673 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_b12ecb3c-2aa0-47d1-9a39-0713c638bb99/sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c[2777,2790] [2024-11-13 16:26:32,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:26:32,693 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:26:32,722 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_b12ecb3c-2aa0-47d1-9a39-0713c638bb99/sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c[2777,2790] [2024-11-13 16:26:32,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:26:32,748 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:26:32,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:32 WrapperNode [2024-11-13 16:26:32,749 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:26:32,751 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:26:32,751 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:26:32,751 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:26:32,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:32" (1/1) ... [2024-11-13 16:26:32,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:32" (1/1) ... [2024-11-13 16:26:32,799 INFO L138 Inliner]: procedures = 21, calls = 18, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 204 [2024-11-13 16:26:32,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:26:32,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:26:32,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:26:32,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:26:32,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:32" (1/1) ... [2024-11-13 16:26:32,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:32" (1/1) ... [2024-11-13 16:26:32,816 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:32" (1/1) ... [2024-11-13 16:26:32,834 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]. [2024-11-13 16:26:32,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:32" (1/1) ... [2024-11-13 16:26:32,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:32" (1/1) ... [2024-11-13 16:26:32,841 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:32" (1/1) ... [2024-11-13 16:26:32,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:32" (1/1) ... [2024-11-13 16:26:32,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:32" (1/1) ... [2024-11-13 16:26:32,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:32" (1/1) ... [2024-11-13 16:26:32,853 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:26:32,854 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:26:32,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:26:32,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:26:32,859 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:32" (1/1) ... [2024-11-13 16:26:32,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:26:32,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12ecb3c-2aa0-47d1-9a39-0713c638bb99/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:26:32,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12ecb3c-2aa0-47d1-9a39-0713c638bb99/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:26:32,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12ecb3c-2aa0-47d1-9a39-0713c638bb99/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:26:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:26:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 16:26:32,935 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 16:26:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 16:26:32,937 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 16:26:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-13 16:26:32,937 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-13 16:26:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-13 16:26:32,938 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-13 16:26:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:26:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-13 16:26:32,938 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-13 16:26:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:26:32,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:26:32,940 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 16:26:33,092 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:26:33,094 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:26:33,537 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 16:26:33,537 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:26:33,893 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:26:33,895 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:26:33,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:26:33 BoogieIcfgContainer [2024-11-13 16:26:33,896 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:26:33,917 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:26:33,918 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:26:33,925 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:26:33,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:26:32" (1/3) ... [2024-11-13 16:26:33,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4b4e37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:26:33, skipping insertion in model container [2024-11-13 16:26:33,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:26:32" (2/3) ... [2024-11-13 16:26:33,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4b4e37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:26:33, skipping insertion in model container [2024-11-13 16:26:33,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:26:33" (3/3) ... [2024-11-13 16:26:33,931 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-5.wvr.c [2024-11-13 16:26:33,951 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:26:33,953 INFO L154 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. [2024-11-13 16:26:33,954 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 16:26:34,066 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-11-13 16:26:34,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 71 transitions, 177 flow [2024-11-13 16:26:34,210 INFO L124 PetriNetUnfolderBase]: 4/66 cut-off events. [2024-11-13 16:26:34,214 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-13 16:26:34,220 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. [2024-11-13 16:26:34,221 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 71 transitions, 177 flow [2024-11-13 16:26:34,227 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 65 transitions, 160 flow [2024-11-13 16:26:34,242 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:26:34,256 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;@1db4f190, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:26:34,256 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-13 16:26:34,287 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 16:26:34,287 INFO L124 PetriNetUnfolderBase]: 4/64 cut-off events. [2024-11-13 16:26:34,287 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-13 16:26:34,287 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:26:34,288 INFO L204 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] [2024-11-13 16:26:34,289 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)] === [2024-11-13 16:26:34,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:26:34,295 INFO L85 PathProgramCache]: Analyzing trace with hash -2028170032, now seen corresponding path program 1 times [2024-11-13 16:26:34,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:26:34,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400320437] [2024-11-13 16:26:34,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:26:34,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:26:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:26:35,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:26:35,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:26:35,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400320437] [2024-11-13 16:26:35,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400320437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:26:35,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:26:35,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:26:35,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6932018] [2024-11-13 16:26:35,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:26:35,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:26:35,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:26:35,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:26:35,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:26:35,111 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 71 [2024-11-13 16:26:35,115 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) [2024-11-13 16:26:35,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:26:35,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 71 [2024-11-13 16:26:35,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:26:47,133 INFO L124 PetriNetUnfolderBase]: 99649/127788 cut-off events. [2024-11-13 16:26:47,133 INFO L125 PetriNetUnfolderBase]: For 7734/7734 co-relation queries the response was YES. [2024-11-13 16:26:47,376 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. [2024-11-13 16:26:47,979 INFO L140 encePairwiseOnDemand]: 63/71 looper letters, 74 selfloop transitions, 7 changer transitions 1/101 dead transitions. [2024-11-13 16:26:47,980 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 101 transitions, 420 flow [2024-11-13 16:26:47,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:26:47,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:26:47,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 155 transitions. [2024-11-13 16:26:47,998 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7276995305164319 [2024-11-13 16:26:47,999 INFO L175 Difference]: Start difference. First operand has 77 places, 65 transitions, 160 flow. Second operand 3 states and 155 transitions. [2024-11-13 16:26:48,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 101 transitions, 420 flow [2024-11-13 16:26:48,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 101 transitions, 384 flow, removed 0 selfloop flow, removed 10 redundant places. [2024-11-13 16:26:48,465 INFO L231 Difference]: Finished difference. Result has 70 places, 69 transitions, 179 flow [2024-11-13 16:26:48,467 INFO L260 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} [2024-11-13 16:26:48,471 INFO L277 CegarLoopForPetriNet]: 77 programPoint places, -7 predicate places. [2024-11-13 16:26:48,472 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 69 transitions, 179 flow [2024-11-13 16:26:48,472 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) [2024-11-13 16:26:48,472 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:26:48,472 INFO L204 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] [2024-11-13 16:26:48,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:26:48,473 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)] === [2024-11-13 16:26:48,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:26:48,474 INFO L85 PathProgramCache]: Analyzing trace with hash 380997117, now seen corresponding path program 1 times [2024-11-13 16:26:48,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:26:48,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204068180] [2024-11-13 16:26:48,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:26:48,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:26:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:26:48,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:26:48,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:26:48,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204068180] [2024-11-13 16:26:48,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204068180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:26:48,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:26:48,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:26:48,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361647482] [2024-11-13 16:26:48,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:26:48,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:26:48,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:26:48,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:26:48,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:26:48,627 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 71 [2024-11-13 16:26:48,627 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) [2024-11-13 16:26:48,627 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:26:48,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 71 [2024-11-13 16:26:48,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:27:05,398 INFO L124 PetriNetUnfolderBase]: 207959/269556 cut-off events. [2024-11-13 16:27:05,398 INFO L125 PetriNetUnfolderBase]: For 3682/3682 co-relation queries the response was YES. [2024-11-13 16:27:05,721 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. [2024-11-13 16:27:06,829 INFO L140 encePairwiseOnDemand]: 58/71 looper letters, 73 selfloop transitions, 9 changer transitions 0/99 dead transitions. [2024-11-13 16:27:06,830 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 99 transitions, 407 flow [2024-11-13 16:27:06,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:27:06,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:27:06,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 140 transitions. [2024-11-13 16:27:06,832 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6572769953051644 [2024-11-13 16:27:06,832 INFO L175 Difference]: Start difference. First operand has 70 places, 69 transitions, 179 flow. Second operand 3 states and 140 transitions. [2024-11-13 16:27:06,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 99 transitions, 407 flow [2024-11-13 16:27:06,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 99 transitions, 400 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 16:27:06,850 INFO L231 Difference]: Finished difference. Result has 73 places, 74 transitions, 236 flow [2024-11-13 16:27:06,850 INFO L260 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} [2024-11-13 16:27:06,851 INFO L277 CegarLoopForPetriNet]: 77 programPoint places, -4 predicate places. [2024-11-13 16:27:06,851 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 74 transitions, 236 flow [2024-11-13 16:27:06,852 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) [2024-11-13 16:27:06,852 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:27:06,852 INFO L204 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] [2024-11-13 16:27:06,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:27:06,852 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)] === [2024-11-13 16:27:06,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:27:06,853 INFO L85 PathProgramCache]: Analyzing trace with hash 837968365, now seen corresponding path program 1 times [2024-11-13 16:27:06,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:27:06,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028740214] [2024-11-13 16:27:06,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:27:06,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:27:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:27:07,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:27:07,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:27:07,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028740214] [2024-11-13 16:27:07,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028740214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:27:07,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:27:07,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 16:27:07,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680950644] [2024-11-13 16:27:07,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:27:07,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:27:07,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:27:07,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:27:07,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:27:07,496 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 71 [2024-11-13 16:27:07,496 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) [2024-11-13 16:27:07,496 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:27:07,497 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 71 [2024-11-13 16:27:07,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:27:17,113 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([505] L65-3-->L66-1: Formula: (and (= |v_thread3Thread1of1ForFork2_#t~post6#1_1| v_~s~0_50) (= v_~s~0_49 (+ |v_thread3Thread1of1ForFork2_#t~post6#1_1| 1))) InVars {~s~0=v_~s~0_50} OutVars{thread3Thread1of1ForFork2_#t~post6#1=|v_thread3Thread1of1ForFork2_#t~post6#1_1|, ~s~0=v_~s~0_49} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_#t~post6#1, ~s~0][104], [69#L112-4true, 99#(<= (+ 2 ~s~0) ~t~0), 73#L76-1true, 70#L66-1true, Black: 88#(= (mod ~b~0 256) 0), 6#L56-1true, 36#L44-1true, Black: 90#true, 92#(not (= ~x~0 1)), 10#L82-2true]) [2024-11-13 16:27:17,114 INFO L294 olderBase$Statistics]: this new event has 40 ancestors and is cut-off event [2024-11-13 16:27:17,114 INFO L297 olderBase$Statistics]: existing Event has 40 ancestors and is cut-off event [2024-11-13 16:27:17,114 INFO L297 olderBase$Statistics]: existing Event has 40 ancestors and is cut-off event [2024-11-13 16:27:17,114 INFO L297 olderBase$Statistics]: existing Event has 40 ancestors and is cut-off event [2024-11-13 16:27:18,818 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([505] L65-3-->L66-1: Formula: (and (= |v_thread3Thread1of1ForFork2_#t~post6#1_1| v_~s~0_50) (= v_~s~0_49 (+ |v_thread3Thread1of1ForFork2_#t~post6#1_1| 1))) InVars {~s~0=v_~s~0_50} OutVars{thread3Thread1of1ForFork2_#t~post6#1=|v_thread3Thread1of1ForFork2_#t~post6#1_1|, ~s~0=v_~s~0_49} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_#t~post6#1, ~s~0][104], [51#L113true, 99#(<= (+ 2 ~s~0) ~t~0), 73#L76-1true, 70#L66-1true, Black: 88#(= (mod ~b~0 256) 0), 6#L56-1true, 36#L44-1true, Black: 90#true, 92#(not (= ~x~0 1)), 10#L82-2true]) [2024-11-13 16:27:18,818 INFO L294 olderBase$Statistics]: this new event has 41 ancestors and is cut-off event [2024-11-13 16:27:18,818 INFO L297 olderBase$Statistics]: existing Event has 41 ancestors and is cut-off event [2024-11-13 16:27:18,818 INFO L297 olderBase$Statistics]: existing Event has 41 ancestors and is cut-off event [2024-11-13 16:27:18,818 INFO L297 olderBase$Statistics]: existing Event has 41 ancestors and is cut-off event [2024-11-13 16:27:18,818 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([505] L65-3-->L66-1: Formula: (and (= |v_thread3Thread1of1ForFork2_#t~post6#1_1| v_~s~0_50) (= v_~s~0_49 (+ |v_thread3Thread1of1ForFork2_#t~post6#1_1| 1))) InVars {~s~0=v_~s~0_50} OutVars{thread3Thread1of1ForFork2_#t~post6#1=|v_thread3Thread1of1ForFork2_#t~post6#1_1|, ~s~0=v_~s~0_49} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_#t~post6#1, ~s~0][104], [69#L112-4true, 99#(<= (+ 2 ~s~0) ~t~0), 70#L66-1true, Black: 88#(= (mod ~b~0 256) 0), 6#L56-1true, 58#thread4EXITtrue, 36#L44-1true, Black: 90#true, 92#(not (= ~x~0 1)), 10#L82-2true]) [2024-11-13 16:27:18,819 INFO L294 olderBase$Statistics]: this new event has 41 ancestors and is cut-off event [2024-11-13 16:27:18,819 INFO L297 olderBase$Statistics]: existing Event has 41 ancestors and is cut-off event [2024-11-13 16:27:18,819 INFO L297 olderBase$Statistics]: existing Event has 41 ancestors and is cut-off event [2024-11-13 16:27:18,819 INFO L297 olderBase$Statistics]: existing Event has 41 ancestors and is cut-off event [2024-11-13 16:27:18,819 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([505] L65-3-->L66-1: Formula: (and (= |v_thread3Thread1of1ForFork2_#t~post6#1_1| v_~s~0_50) (= v_~s~0_49 (+ |v_thread3Thread1of1ForFork2_#t~post6#1_1| 1))) InVars {~s~0=v_~s~0_50} OutVars{thread3Thread1of1ForFork2_#t~post6#1=|v_thread3Thread1of1ForFork2_#t~post6#1_1|, ~s~0=v_~s~0_49} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_#t~post6#1, ~s~0][104], [69#L112-4true, 99#(<= (+ 2 ~s~0) ~t~0), 73#L76-1true, 70#L66-1true, Black: 88#(= (mod ~b~0 256) 0), 6#L56-1true, 36#L44-1true, Black: 90#true, 92#(not (= ~x~0 1)), 23#L85true]) [2024-11-13 16:27:18,819 INFO L294 olderBase$Statistics]: this new event has 41 ancestors and is cut-off event [2024-11-13 16:27:18,819 INFO L297 olderBase$Statistics]: existing Event has 41 ancestors and is cut-off event [2024-11-13 16:27:18,819 INFO L297 olderBase$Statistics]: existing Event has 41 ancestors and is cut-off event [2024-11-13 16:27:18,819 INFO L297 olderBase$Statistics]: existing Event has 41 ancestors and is cut-off event [2024-11-13 16:27:18,820 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([505] L65-3-->L66-1: Formula: (and (= |v_thread3Thread1of1ForFork2_#t~post6#1_1| v_~s~0_50) (= v_~s~0_49 (+ |v_thread3Thread1of1ForFork2_#t~post6#1_1| 1))) InVars {~s~0=v_~s~0_50} OutVars{thread3Thread1of1ForFork2_#t~post6#1=|v_thread3Thread1of1ForFork2_#t~post6#1_1|, ~s~0=v_~s~0_49} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_#t~post6#1, ~s~0][104], [69#L112-4true, 99#(<= (+ 2 ~s~0) ~t~0), 73#L76-1true, 70#L66-1true, Black: 88#(= (mod ~b~0 256) 0), 36#L44-1true, Black: 90#true, 92#(not (= ~x~0 1)), 55#thread2EXITtrue, 10#L82-2true]) [2024-11-13 16:27:18,820 INFO L294 olderBase$Statistics]: this new event has 41 ancestors and is cut-off event [2024-11-13 16:27:18,820 INFO L297 olderBase$Statistics]: existing Event has 41 ancestors and is cut-off event [2024-11-13 16:27:18,820 INFO L297 olderBase$Statistics]: existing Event has 41 ancestors and is cut-off event [2024-11-13 16:27:18,820 INFO L297 olderBase$Statistics]: existing Event has 41 ancestors and is cut-off event [2024-11-13 16:27:19,854 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([505] L65-3-->L66-1: Formula: (and (= |v_thread3Thread1of1ForFork2_#t~post6#1_1| v_~s~0_50) (= v_~s~0_49 (+ |v_thread3Thread1of1ForFork2_#t~post6#1_1| 1))) InVars {~s~0=v_~s~0_50} OutVars{thread3Thread1of1ForFork2_#t~post6#1=|v_thread3Thread1of1ForFork2_#t~post6#1_1|, ~s~0=v_~s~0_49} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_#t~post6#1, ~s~0][104], [51#L113true, 99#(<= (+ 2 ~s~0) ~t~0), 70#L66-1true, 6#L56-1true, Black: 88#(= (mod ~b~0 256) 0), 58#thread4EXITtrue, 36#L44-1true, Black: 90#true, 92#(not (= ~x~0 1)), 10#L82-2true]) [2024-11-13 16:27:19,854 INFO L294 olderBase$Statistics]: this new event has 42 ancestors and is cut-off event [2024-11-13 16:27:19,855 INFO L297 olderBase$Statistics]: existing Event has 42 ancestors and is cut-off event [2024-11-13 16:27:19,855 INFO L297 olderBase$Statistics]: existing Event has 42 ancestors and is cut-off event [2024-11-13 16:27:19,855 INFO L297 olderBase$Statistics]: existing Event has 42 ancestors and is cut-off event [2024-11-13 16:27:19,855 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([505] L65-3-->L66-1: Formula: (and (= |v_thread3Thread1of1ForFork2_#t~post6#1_1| v_~s~0_50) (= v_~s~0_49 (+ |v_thread3Thread1of1ForFork2_#t~post6#1_1| 1))) InVars {~s~0=v_~s~0_50} OutVars{thread3Thread1of1ForFork2_#t~post6#1=|v_thread3Thread1of1ForFork2_#t~post6#1_1|, ~s~0=v_~s~0_49} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_#t~post6#1, ~s~0][104], [51#L113true, 99#(<= (+ 2 ~s~0) ~t~0), 73#L76-1true, 70#L66-1true, Black: 88#(= (mod ~b~0 256) 0), 6#L56-1true, 36#L44-1true, Black: 90#true, 92#(not (= ~x~0 1)), 23#L85true]) [2024-11-13 16:27:19,855 INFO L294 olderBase$Statistics]: this new event has 42 ancestors and is cut-off event [2024-11-13 16:27:19,855 INFO L297 olderBase$Statistics]: existing Event has 42 ancestors and is cut-off event [2024-11-13 16:27:19,855 INFO L297 olderBase$Statistics]: existing Event has 42 ancestors and is cut-off event [2024-11-13 16:27:19,855 INFO L297 olderBase$Statistics]: existing Event has 42 ancestors and is cut-off event [2024-11-13 16:27:19,856 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([505] L65-3-->L66-1: Formula: (and (= |v_thread3Thread1of1ForFork2_#t~post6#1_1| v_~s~0_50) (= v_~s~0_49 (+ |v_thread3Thread1of1ForFork2_#t~post6#1_1| 1))) InVars {~s~0=v_~s~0_50} OutVars{thread3Thread1of1ForFork2_#t~post6#1=|v_thread3Thread1of1ForFork2_#t~post6#1_1|, ~s~0=v_~s~0_49} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_#t~post6#1, ~s~0][104], [51#L113true, 99#(<= (+ 2 ~s~0) ~t~0), 73#L76-1true, 70#L66-1true, Black: 88#(= (mod ~b~0 256) 0), 36#L44-1true, Black: 90#true, 92#(not (= ~x~0 1)), 10#L82-2true, 55#thread2EXITtrue]) [2024-11-13 16:27:19,856 INFO L294 olderBase$Statistics]: this new event has 42 ancestors and is cut-off event [2024-11-13 16:27:19,856 INFO L297 olderBase$Statistics]: existing Event has 42 ancestors and is cut-off event [2024-11-13 16:27:19,856 INFO L297 olderBase$Statistics]: existing Event has 42 ancestors and is cut-off event [2024-11-13 16:27:19,856 INFO L297 olderBase$Statistics]: existing Event has 42 ancestors and is cut-off event [2024-11-13 16:27:19,856 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([505] L65-3-->L66-1: Formula: (and (= |v_thread3Thread1of1ForFork2_#t~post6#1_1| v_~s~0_50) (= v_~s~0_49 (+ |v_thread3Thread1of1ForFork2_#t~post6#1_1| 1))) InVars {~s~0=v_~s~0_50} OutVars{thread3Thread1of1ForFork2_#t~post6#1=|v_thread3Thread1of1ForFork2_#t~post6#1_1|, ~s~0=v_~s~0_49} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_#t~post6#1, ~s~0][104], [69#L112-4true, 99#(<= (+ 2 ~s~0) ~t~0), 70#L66-1true, Black: 88#(= (mod ~b~0 256) 0), 6#L56-1true, 58#thread4EXITtrue, 36#L44-1true, Black: 90#true, 92#(not (= ~x~0 1)), 23#L85true]) [2024-11-13 16:27:19,856 INFO L294 olderBase$Statistics]: this new event has 42 ancestors and is cut-off event [2024-11-13 16:27:19,856 INFO L297 olderBase$Statistics]: existing Event has 42 ancestors and is cut-off event [2024-11-13 16:27:19,856 INFO L297 olderBase$Statistics]: existing Event has 42 ancestors and is cut-off event [2024-11-13 16:27:19,856 INFO L297 olderBase$Statistics]: existing Event has 42 ancestors and is cut-off event [2024-11-13 16:27:19,857 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([505] L65-3-->L66-1: Formula: (and (= |v_thread3Thread1of1ForFork2_#t~post6#1_1| v_~s~0_50) (= v_~s~0_49 (+ |v_thread3Thread1of1ForFork2_#t~post6#1_1| 1))) InVars {~s~0=v_~s~0_50} OutVars{thread3Thread1of1ForFork2_#t~post6#1=|v_thread3Thread1of1ForFork2_#t~post6#1_1|, ~s~0=v_~s~0_49} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_#t~post6#1, ~s~0][104], [69#L112-4true, 99#(<= (+ 2 ~s~0) ~t~0), 70#L66-1true, Black: 88#(= (mod ~b~0 256) 0), 58#thread4EXITtrue, 36#L44-1true, Black: 90#true, 92#(not (= ~x~0 1)), 10#L82-2true, 55#thread2EXITtrue]) [2024-11-13 16:27:19,857 INFO L294 olderBase$Statistics]: this new event has 42 ancestors and is cut-off event [2024-11-13 16:27:19,857 INFO L297 olderBase$Statistics]: existing Event has 42 ancestors and is cut-off event [2024-11-13 16:27:19,857 INFO L297 olderBase$Statistics]: existing Event has 42 ancestors and is cut-off event [2024-11-13 16:27:19,857 INFO L297 olderBase$Statistics]: existing Event has 42 ancestors and is cut-off event [2024-11-13 16:27:19,857 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([505] L65-3-->L66-1: Formula: (and (= |v_thread3Thread1of1ForFork2_#t~post6#1_1| v_~s~0_50) (= v_~s~0_49 (+ |v_thread3Thread1of1ForFork2_#t~post6#1_1| 1))) InVars {~s~0=v_~s~0_50} OutVars{thread3Thread1of1ForFork2_#t~post6#1=|v_thread3Thread1of1ForFork2_#t~post6#1_1|, ~s~0=v_~s~0_49} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_#t~post6#1, ~s~0][104], [69#L112-4true, 99#(<= (+ 2 ~s~0) ~t~0), 73#L76-1true, 70#L66-1true, Black: 88#(= (mod ~b~0 256) 0), 36#L44-1true, Black: 90#true, 92#(not (= ~x~0 1)), 55#thread2EXITtrue, 23#L85true]) [2024-11-13 16:27:19,857 INFO L294 olderBase$Statistics]: this new event has 42 ancestors and is cut-off event [2024-11-13 16:27:19,858 INFO L297 olderBase$Statistics]: existing Event has 42 ancestors and is cut-off event [2024-11-13 16:27:19,858 INFO L297 olderBase$Statistics]: existing Event has 42 ancestors and is cut-off event [2024-11-13 16:27:19,858 INFO L297 olderBase$Statistics]: existing Event has 42 ancestors and is cut-off event