./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb43b68-4b38-44e7-9791-f3e9d1a73df3/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb43b68-4b38-44e7-9791-f3e9d1a73df3/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb43b68-4b38-44e7-9791-f3e9d1a73df3/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb43b68-4b38-44e7-9791-f3e9d1a73df3/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb43b68-4b38-44e7-9791-f3e9d1a73df3/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb43b68-4b38-44e7-9791-f3e9d1a73df3/bin/uautomizer-verify-jihMAELWvX --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 9d6df98e8ac4880739ff8c7fa9cf00b32c56a4c64770b2bc9bcfef3d013872fa --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:42:16,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:42:16,212 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb43b68-4b38-44e7-9791-f3e9d1a73df3/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:42:16,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:42:16,220 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:42:16,256 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:42:16,257 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:42:16,257 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:42:16,258 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:42:16,258 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:42:16,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:42:16,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:42:16,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:42:16,263 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:42:16,263 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:42:16,264 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:42:16,264 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:42:16,265 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:42:16,265 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:42:16,265 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:42:16,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:42:16,271 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:42:16,271 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:42:16,272 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:42:16,272 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:42:16,272 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:42:16,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:42:16,276 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:42:16,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:42:16,277 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:42:16,277 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:42:16,278 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:42:16,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:42:16,278 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:42:16,279 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:42:16,279 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:42:16,279 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:42:16,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:42:16,280 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:42:16,280 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:42:16,282 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:42:16,283 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:42:16,283 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb43b68-4b38-44e7-9791-f3e9d1a73df3/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb43b68-4b38-44e7-9791-f3e9d1a73df3/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d6df98e8ac4880739ff8c7fa9cf00b32c56a4c64770b2bc9bcfef3d013872fa [2024-11-08 17:42:16,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:42:16,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:42:16,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:42:16,638 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:42:16,639 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:42:16,640 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb43b68-4b38-44e7-9791-f3e9d1a73df3/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i Unable to find full path for "g++" [2024-11-08 17:42:18,764 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:42:19,054 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:42:19,055 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb43b68-4b38-44e7-9791-f3e9d1a73df3/sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-08 17:42:19,078 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb43b68-4b38-44e7-9791-f3e9d1a73df3/bin/uautomizer-verify-jihMAELWvX/data/ea6a321b8/451c44e5e4174647880141b9aa6cc740/FLAG06c184bd5 [2024-11-08 17:42:19,108 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb43b68-4b38-44e7-9791-f3e9d1a73df3/bin/uautomizer-verify-jihMAELWvX/data/ea6a321b8/451c44e5e4174647880141b9aa6cc740 [2024-11-08 17:42:19,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:42:19,112 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:42:19,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:42:19,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:42:19,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:42:19,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:42:19" (1/1) ... [2024-11-08 17:42:19,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6304b128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:19, skipping insertion in model container [2024-11-08 17:42:19,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:42:19" (1/1) ... [2024-11-08 17:42:19,202 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:42:19,445 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_3fb43b68-4b38-44e7-9791-f3e9d1a73df3/sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1038,1051] [2024-11-08 17:42:19,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:42:19,765 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:42:19,777 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_3fb43b68-4b38-44e7-9791-f3e9d1a73df3/sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1038,1051] [2024-11-08 17:42:19,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:42:19,893 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:42:19,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:19 WrapperNode [2024-11-08 17:42:19,894 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:42:19,895 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:42:19,895 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:42:19,895 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:42:19,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:19" (1/1) ... [2024-11-08 17:42:19,921 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:19" (1/1) ... [2024-11-08 17:42:19,965 INFO L138 Inliner]: procedures = 174, calls = 39, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 149 [2024-11-08 17:42:19,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:42:19,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:42:19,969 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:42:19,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:42:19,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:19" (1/1) ... [2024-11-08 17:42:19,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:19" (1/1) ... [2024-11-08 17:42:19,986 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:19" (1/1) ... [2024-11-08 17:42:20,006 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]. [2024-11-08 17:42:20,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:19" (1/1) ... [2024-11-08 17:42:20,007 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:19" (1/1) ... [2024-11-08 17:42:20,017 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:19" (1/1) ... [2024-11-08 17:42:20,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:19" (1/1) ... [2024-11-08 17:42:20,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:19" (1/1) ... [2024-11-08 17:42:20,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:19" (1/1) ... [2024-11-08 17:42:20,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:42:20,029 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:42:20,029 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:42:20,029 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:42:20,030 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:19" (1/1) ... [2024-11-08 17:42:20,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:42:20,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb43b68-4b38-44e7-9791-f3e9d1a73df3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:42:20,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb43b68-4b38-44e7-9791-f3e9d1a73df3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:42:20,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb43b68-4b38-44e7-9791-f3e9d1a73df3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:42:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 17:42:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:42:20,116 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-08 17:42:20,116 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-08 17:42:20,117 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-08 17:42:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-08 17:42:20,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:42:20,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 17:42:20,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:42:20,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:42:20,121 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 17:42:20,312 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:42:20,314 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:42:20,805 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 17:42:20,805 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:42:21,123 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:42:21,123 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:42:21,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:42:21 BoogieIcfgContainer [2024-11-08 17:42:21,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:42:21,127 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:42:21,127 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:42:21,131 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:42:21,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:42:19" (1/3) ... [2024-11-08 17:42:21,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16493c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:42:21, skipping insertion in model container [2024-11-08 17:42:21,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:42:19" (2/3) ... [2024-11-08 17:42:21,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16493c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:42:21, skipping insertion in model container [2024-11-08 17:42:21,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:42:21" (3/3) ... [2024-11-08 17:42:21,135 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-08 17:42:21,154 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:42:21,155 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 17:42:21,155 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 17:42:21,230 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 17:42:21,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 33 transitions, 74 flow [2024-11-08 17:42:21,321 INFO L124 PetriNetUnfolderBase]: 1/31 cut-off events. [2024-11-08 17:42:21,321 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 17:42:21,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 31 events. 1/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 31. Up to 2 conditions per place. [2024-11-08 17:42:21,326 INFO L82 GeneralOperation]: Start removeDead. Operand has 39 places, 33 transitions, 74 flow [2024-11-08 17:42:21,331 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 37 places, 31 transitions, 68 flow [2024-11-08 17:42:21,343 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:42:21,350 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;@643540c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:42:21,350 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-08 17:42:21,358 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 17:42:21,359 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2024-11-08 17:42:21,359 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 17:42:21,359 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:42:21,360 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-08 17:42:21,361 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-08 17:42:21,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:42:21,369 INFO L85 PathProgramCache]: Analyzing trace with hash -942372534, now seen corresponding path program 1 times [2024-11-08 17:42:21,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:42:21,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799453292] [2024-11-08 17:42:21,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:42:21,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:42:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:42:21,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:42:21,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:42:21,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799453292] [2024-11-08 17:42:21,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799453292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:42:21,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:42:21,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 17:42:21,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110771728] [2024-11-08 17:42:21,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:42:21,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:42:21,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:42:22,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:42:22,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:42:22,026 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 33 [2024-11-08 17:42:22,029 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 31 transitions, 68 flow. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-11-08 17:42:22,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:42:22,030 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 33 [2024-11-08 17:42:22,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:42:22,455 INFO L124 PetriNetUnfolderBase]: 264/581 cut-off events. [2024-11-08 17:42:22,456 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-08 17:42:22,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1047 conditions, 581 events. 264/581 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3134 event pairs, 32 based on Foata normal form. 25/599 useless extension candidates. Maximal degree in co-relation 1037. Up to 373 conditions per place. [2024-11-08 17:42:22,464 INFO L140 encePairwiseOnDemand]: 29/33 looper letters, 24 selfloop transitions, 2 changer transitions 2/39 dead transitions. [2024-11-08 17:42:22,465 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 39 transitions, 140 flow [2024-11-08 17:42:22,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:42:22,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:42:22,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 70 transitions. [2024-11-08 17:42:22,479 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7070707070707071 [2024-11-08 17:42:22,481 INFO L175 Difference]: Start difference. First operand has 37 places, 31 transitions, 68 flow. Second operand 3 states and 70 transitions. [2024-11-08 17:42:22,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 39 transitions, 140 flow [2024-11-08 17:42:22,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 39 transitions, 138 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:42:22,489 INFO L231 Difference]: Finished difference. Result has 36 places, 28 transitions, 64 flow [2024-11-08 17:42:22,491 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=36, PETRI_TRANSITIONS=28} [2024-11-08 17:42:22,497 INFO L277 CegarLoopForPetriNet]: 37 programPoint places, -1 predicate places. [2024-11-08 17:42:22,498 INFO L471 AbstractCegarLoop]: Abstraction has has 36 places, 28 transitions, 64 flow [2024-11-08 17:42:22,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-11-08 17:42:22,498 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:42:22,498 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:42:22,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:42:22,499 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-08 17:42:22,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:42:22,501 INFO L85 PathProgramCache]: Analyzing trace with hash 725790871, now seen corresponding path program 1 times [2024-11-08 17:42:22,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:42:22,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122532919] [2024-11-08 17:42:22,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:42:22,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:42:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:42:23,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:42:23,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:42:23,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122532919] [2024-11-08 17:42:23,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122532919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:42:23,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:42:23,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:42:23,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456992550] [2024-11-08 17:42:23,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:42:23,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:42:23,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:42:23,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:42:23,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:42:23,024 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 33 [2024-11-08 17:42:23,024 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 28 transitions, 64 flow. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-08 17:42:23,024 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:42:23,025 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 33 [2024-11-08 17:42:23,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:42:23,643 INFO L124 PetriNetUnfolderBase]: 426/800 cut-off events. [2024-11-08 17:42:23,643 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-08 17:42:23,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1578 conditions, 800 events. 426/800 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4189 event pairs, 96 based on Foata normal form. 0/774 useless extension candidates. Maximal degree in co-relation 1568. Up to 358 conditions per place. [2024-11-08 17:42:23,650 INFO L140 encePairwiseOnDemand]: 27/33 looper letters, 24 selfloop transitions, 2 changer transitions 39/73 dead transitions. [2024-11-08 17:42:23,651 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 73 transitions, 288 flow [2024-11-08 17:42:23,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:42:23,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-08 17:42:23,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 147 transitions. [2024-11-08 17:42:23,657 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5568181818181818 [2024-11-08 17:42:23,657 INFO L175 Difference]: Start difference. First operand has 36 places, 28 transitions, 64 flow. Second operand 8 states and 147 transitions. [2024-11-08 17:42:23,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 73 transitions, 288 flow [2024-11-08 17:42:23,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 73 transitions, 280 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:42:23,662 INFO L231 Difference]: Finished difference. Result has 45 places, 27 transitions, 74 flow [2024-11-08 17:42:23,663 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=74, PETRI_PLACES=45, PETRI_TRANSITIONS=27} [2024-11-08 17:42:23,663 INFO L277 CegarLoopForPetriNet]: 37 programPoint places, 8 predicate places. [2024-11-08 17:42:23,664 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 27 transitions, 74 flow [2024-11-08 17:42:23,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-08 17:42:23,664 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:42:23,664 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:42:23,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:42:23,665 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-08 17:42:23,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:42:23,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1338166714, now seen corresponding path program 1 times [2024-11-08 17:42:23,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:42:23,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376365820] [2024-11-08 17:42:23,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:42:23,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:42:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:42:24,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:42:24,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:42:24,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376365820] [2024-11-08 17:42:24,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376365820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:42:24,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:42:24,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:42:24,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046677935] [2024-11-08 17:42:24,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:42:24,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:42:24,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:42:24,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:42:24,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:42:24,112 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 33 [2024-11-08 17:42:24,113 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 27 transitions, 74 flow. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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) [2024-11-08 17:42:24,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:42:24,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 33 [2024-11-08 17:42:24,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:42:24,557 INFO L124 PetriNetUnfolderBase]: 245/496 cut-off events. [2024-11-08 17:42:24,557 INFO L125 PetriNetUnfolderBase]: For 128/128 co-relation queries the response was YES. [2024-11-08 17:42:24,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1061 conditions, 496 events. 245/496 cut-off events. For 128/128 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2469 event pairs, 69 based on Foata normal form. 20/511 useless extension candidates. Maximal degree in co-relation 1046. Up to 253 conditions per place. [2024-11-08 17:42:24,562 INFO L140 encePairwiseOnDemand]: 28/33 looper letters, 25 selfloop transitions, 2 changer transitions 23/59 dead transitions. [2024-11-08 17:42:24,562 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 59 transitions, 250 flow [2024-11-08 17:42:24,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:42:24,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-08 17:42:24,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 129 transitions. [2024-11-08 17:42:24,564 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5584415584415584 [2024-11-08 17:42:24,564 INFO L175 Difference]: Start difference. First operand has 45 places, 27 transitions, 74 flow. Second operand 7 states and 129 transitions. [2024-11-08 17:42:24,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 59 transitions, 250 flow [2024-11-08 17:42:24,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 59 transitions, 230 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-08 17:42:24,570 INFO L231 Difference]: Finished difference. Result has 44 places, 27 transitions, 78 flow [2024-11-08 17:42:24,570 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=78, PETRI_PLACES=44, PETRI_TRANSITIONS=27} [2024-11-08 17:42:24,571 INFO L277 CegarLoopForPetriNet]: 37 programPoint places, 7 predicate places. [2024-11-08 17:42:24,571 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 27 transitions, 78 flow [2024-11-08 17:42:24,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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) [2024-11-08 17:42:24,571 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:42:24,571 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] [2024-11-08 17:42:24,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:42:24,572 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-08 17:42:24,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:42:24,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1356102712, now seen corresponding path program 1 times [2024-11-08 17:42:24,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:42:24,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789659470] [2024-11-08 17:42:24,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:42:24,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:42:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:42:26,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:42:26,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:42:26,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789659470] [2024-11-08 17:42:26,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789659470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:42:26,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:42:26,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 17:42:26,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71539302] [2024-11-08 17:42:26,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:42:26,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:42:26,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:42:26,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:42:26,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:42:26,370 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 33 [2024-11-08 17:42:26,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 27 transitions, 78 flow. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 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) [2024-11-08 17:42:26,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:42:26,371 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 33 [2024-11-08 17:42:26,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:42:27,666 INFO L124 PetriNetUnfolderBase]: 559/1030 cut-off events. [2024-11-08 17:42:27,666 INFO L125 PetriNetUnfolderBase]: For 304/305 co-relation queries the response was YES. [2024-11-08 17:42:27,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2336 conditions, 1030 events. 559/1030 cut-off events. For 304/305 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 5102 event pairs, 87 based on Foata normal form. 23/1052 useless extension candidates. Maximal degree in co-relation 2320. Up to 587 conditions per place. [2024-11-08 17:42:27,675 INFO L140 encePairwiseOnDemand]: 20/33 looper letters, 62 selfloop transitions, 25 changer transitions 29/122 dead transitions. [2024-11-08 17:42:27,675 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 122 transitions, 569 flow [2024-11-08 17:42:27,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 17:42:27,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-08 17:42:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 247 transitions. [2024-11-08 17:42:27,678 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4678030303030303 [2024-11-08 17:42:27,678 INFO L175 Difference]: Start difference. First operand has 44 places, 27 transitions, 78 flow. Second operand 16 states and 247 transitions. [2024-11-08 17:42:27,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 122 transitions, 569 flow [2024-11-08 17:42:27,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 122 transitions, 515 flow, removed 22 selfloop flow, removed 6 redundant places. [2024-11-08 17:42:27,686 INFO L231 Difference]: Finished difference. Result has 61 places, 52 transitions, 243 flow [2024-11-08 17:42:27,686 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=243, PETRI_PLACES=61, PETRI_TRANSITIONS=52} [2024-11-08 17:42:27,687 INFO L277 CegarLoopForPetriNet]: 37 programPoint places, 24 predicate places. [2024-11-08 17:42:27,687 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 52 transitions, 243 flow [2024-11-08 17:42:27,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 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) [2024-11-08 17:42:27,688 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:42:27,688 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] [2024-11-08 17:42:27,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:42:27,689 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-08 17:42:27,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:42:27,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1195211688, now seen corresponding path program 2 times [2024-11-08 17:42:27,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:42:27,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571148237] [2024-11-08 17:42:27,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:42:27,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:42:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:42:30,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:42:30,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:42:30,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571148237] [2024-11-08 17:42:30,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571148237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:42:30,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:42:30,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 17:42:30,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891310504] [2024-11-08 17:42:30,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:42:30,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:42:30,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:42:30,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:42:30,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:42:30,066 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 33 [2024-11-08 17:42:30,066 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 52 transitions, 243 flow. Second operand has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 9 states have internal predecessors, (104), 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) [2024-11-08 17:42:30,067 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:42:30,067 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 33 [2024-11-08 17:42:30,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:42:30,858 INFO L124 PetriNetUnfolderBase]: 423/867 cut-off events. [2024-11-08 17:42:30,859 INFO L125 PetriNetUnfolderBase]: For 969/997 co-relation queries the response was YES. [2024-11-08 17:42:30,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2667 conditions, 867 events. 423/867 cut-off events. For 969/997 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 4709 event pairs, 71 based on Foata normal form. 19/884 useless extension candidates. Maximal degree in co-relation 2643. Up to 604 conditions per place. [2024-11-08 17:42:30,867 INFO L140 encePairwiseOnDemand]: 23/33 looper letters, 50 selfloop transitions, 14 changer transitions 21/95 dead transitions. [2024-11-08 17:42:30,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 95 transitions, 606 flow [2024-11-08 17:42:30,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:42:30,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-08 17:42:30,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 150 transitions. [2024-11-08 17:42:30,869 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5050505050505051 [2024-11-08 17:42:30,870 INFO L175 Difference]: Start difference. First operand has 61 places, 52 transitions, 243 flow. Second operand 9 states and 150 transitions. [2024-11-08 17:42:30,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 95 transitions, 606 flow [2024-11-08 17:42:30,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 95 transitions, 582 flow, removed 12 selfloop flow, removed 6 redundant places. [2024-11-08 17:42:30,879 INFO L231 Difference]: Finished difference. Result has 63 places, 61 transitions, 351 flow [2024-11-08 17:42:30,879 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=351, PETRI_PLACES=63, PETRI_TRANSITIONS=61} [2024-11-08 17:42:30,880 INFO L277 CegarLoopForPetriNet]: 37 programPoint places, 26 predicate places. [2024-11-08 17:42:30,880 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 61 transitions, 351 flow [2024-11-08 17:42:30,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 9 states have internal predecessors, (104), 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) [2024-11-08 17:42:30,881 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:42:30,881 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] [2024-11-08 17:42:30,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:42:30,882 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-08 17:42:30,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:42:30,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1439322592, now seen corresponding path program 3 times [2024-11-08 17:42:30,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:42:30,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603203365] [2024-11-08 17:42:30,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:42:30,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:42:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:42:32,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:42:32,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:42:32,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603203365] [2024-11-08 17:42:32,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603203365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:42:32,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:42:32,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 17:42:32,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829977510] [2024-11-08 17:42:32,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:42:32,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 17:42:32,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:42:32,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 17:42:32,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:42:32,338 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 33 [2024-11-08 17:42:32,338 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 61 transitions, 351 flow. Second operand has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-11-08 17:42:32,339 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:42:32,339 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 33 [2024-11-08 17:42:32,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:42:33,307 INFO L124 PetriNetUnfolderBase]: 426/882 cut-off events. [2024-11-08 17:42:33,307 INFO L125 PetriNetUnfolderBase]: For 1352/1389 co-relation queries the response was YES. [2024-11-08 17:42:33,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2883 conditions, 882 events. 426/882 cut-off events. For 1352/1389 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 4834 event pairs, 37 based on Foata normal form. 57/938 useless extension candidates. Maximal degree in co-relation 2857. Up to 520 conditions per place. [2024-11-08 17:42:33,316 INFO L140 encePairwiseOnDemand]: 23/33 looper letters, 51 selfloop transitions, 26 changer transitions 27/114 dead transitions. [2024-11-08 17:42:33,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 114 transitions, 821 flow [2024-11-08 17:42:33,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 17:42:33,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-08 17:42:33,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 182 transitions. [2024-11-08 17:42:33,319 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5013774104683195 [2024-11-08 17:42:33,319 INFO L175 Difference]: Start difference. First operand has 63 places, 61 transitions, 351 flow. Second operand 11 states and 182 transitions. [2024-11-08 17:42:33,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 114 transitions, 821 flow [2024-11-08 17:42:33,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 114 transitions, 782 flow, removed 15 selfloop flow, removed 3 redundant places. [2024-11-08 17:42:33,332 INFO L231 Difference]: Finished difference. Result has 72 places, 68 transitions, 467 flow [2024-11-08 17:42:33,333 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=329, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=467, PETRI_PLACES=72, PETRI_TRANSITIONS=68} [2024-11-08 17:42:33,335 INFO L277 CegarLoopForPetriNet]: 37 programPoint places, 35 predicate places. [2024-11-08 17:42:33,336 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 68 transitions, 467 flow [2024-11-08 17:42:33,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-11-08 17:42:33,336 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:42:33,337 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] [2024-11-08 17:42:33,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:42:33,337 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-08 17:42:33,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:42:33,338 INFO L85 PathProgramCache]: Analyzing trace with hash 682971266, now seen corresponding path program 4 times [2024-11-08 17:42:33,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:42:33,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544571617] [2024-11-08 17:42:33,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:42:33,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:42:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:42:33,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:42:33,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:42:33,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544571617] [2024-11-08 17:42:33,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544571617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:42:33,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:42:33,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:42:33,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35422575] [2024-11-08 17:42:33,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:42:33,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:42:33,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:42:33,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:42:33,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:42:33,612 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 33 [2024-11-08 17:42:33,612 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 68 transitions, 467 flow. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2024-11-08 17:42:33,612 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:42:33,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 33 [2024-11-08 17:42:33,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:42:33,953 INFO L124 PetriNetUnfolderBase]: 388/762 cut-off events. [2024-11-08 17:42:33,954 INFO L125 PetriNetUnfolderBase]: For 1497/1541 co-relation queries the response was YES. [2024-11-08 17:42:33,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2577 conditions, 762 events. 388/762 cut-off events. For 1497/1541 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 3721 event pairs, 81 based on Foata normal form. 71/822 useless extension candidates. Maximal degree in co-relation 2546. Up to 289 conditions per place. [2024-11-08 17:42:33,986 INFO L140 encePairwiseOnDemand]: 28/33 looper letters, 69 selfloop transitions, 6 changer transitions 0/85 dead transitions. [2024-11-08 17:42:33,987 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 85 transitions, 663 flow [2024-11-08 17:42:33,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:42:33,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 17:42:33,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 84 transitions. [2024-11-08 17:42:33,989 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6363636363636364 [2024-11-08 17:42:33,990 INFO L175 Difference]: Start difference. First operand has 72 places, 68 transitions, 467 flow. Second operand 4 states and 84 transitions. [2024-11-08 17:42:33,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 85 transitions, 663 flow [2024-11-08 17:42:33,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 85 transitions, 622 flow, removed 11 selfloop flow, removed 9 redundant places. [2024-11-08 17:42:33,998 INFO L231 Difference]: Finished difference. Result has 64 places, 61 transitions, 384 flow [2024-11-08 17:42:33,999 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=384, PETRI_PLACES=64, PETRI_TRANSITIONS=61} [2024-11-08 17:42:34,000 INFO L277 CegarLoopForPetriNet]: 37 programPoint places, 27 predicate places. [2024-11-08 17:42:34,002 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 61 transitions, 384 flow [2024-11-08 17:42:34,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2024-11-08 17:42:34,002 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:42:34,002 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] [2024-11-08 17:42:34,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 17:42:34,003 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-08 17:42:34,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:42:34,004 INFO L85 PathProgramCache]: Analyzing trace with hash 979206463, now seen corresponding path program 1 times [2024-11-08 17:42:34,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:42:34,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597083755] [2024-11-08 17:42:34,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:42:34,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:42:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:42:34,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:42:34,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:42:34,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597083755] [2024-11-08 17:42:34,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597083755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:42:34,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:42:34,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:42:34,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967941429] [2024-11-08 17:42:34,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:42:34,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:42:34,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:42:34,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:42:34,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:42:34,343 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 33 [2024-11-08 17:42:34,343 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 61 transitions, 384 flow. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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) [2024-11-08 17:42:34,344 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:42:34,344 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 33 [2024-11-08 17:42:34,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:42:34,644 INFO L124 PetriNetUnfolderBase]: 275/555 cut-off events. [2024-11-08 17:42:34,644 INFO L125 PetriNetUnfolderBase]: For 992/1031 co-relation queries the response was YES. [2024-11-08 17:42:34,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1939 conditions, 555 events. 275/555 cut-off events. For 992/1031 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2569 event pairs, 96 based on Foata normal form. 40/582 useless extension candidates. Maximal degree in co-relation 1911. Up to 228 conditions per place. [2024-11-08 17:42:34,648 INFO L140 encePairwiseOnDemand]: 28/33 looper letters, 58 selfloop transitions, 8 changer transitions 0/76 dead transitions. [2024-11-08 17:42:34,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 76 transitions, 573 flow [2024-11-08 17:42:34,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:42:34,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-08 17:42:34,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 90 transitions. [2024-11-08 17:42:34,651 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5454545454545454 [2024-11-08 17:42:34,651 INFO L175 Difference]: Start difference. First operand has 64 places, 61 transitions, 384 flow. Second operand 5 states and 90 transitions. [2024-11-08 17:42:34,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 76 transitions, 573 flow [2024-11-08 17:42:34,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 76 transitions, 534 flow, removed 14 selfloop flow, removed 5 redundant places. [2024-11-08 17:42:34,661 INFO L231 Difference]: Finished difference. Result has 65 places, 61 transitions, 381 flow [2024-11-08 17:42:34,661 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=381, PETRI_PLACES=65, PETRI_TRANSITIONS=61} [2024-11-08 17:42:34,662 INFO L277 CegarLoopForPetriNet]: 37 programPoint places, 28 predicate places. [2024-11-08 17:42:34,664 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 61 transitions, 381 flow [2024-11-08 17:42:34,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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) [2024-11-08 17:42:34,664 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:42:34,665 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] [2024-11-08 17:42:34,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 17:42:34,665 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-08 17:42:34,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:42:34,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1073645308, now seen corresponding path program 1 times [2024-11-08 17:42:34,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:42:34,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483622779] [2024-11-08 17:42:34,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:42:34,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:42:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:42:35,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:42:35,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:42:35,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483622779] [2024-11-08 17:42:35,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483622779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:42:35,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:42:35,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:42:35,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656686960] [2024-11-08 17:42:35,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:42:35,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:42:35,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:42:35,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:42:35,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:42:35,813 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 33 [2024-11-08 17:42:35,814 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 61 transitions, 381 flow. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 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) [2024-11-08 17:42:35,814 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:42:35,814 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 33 [2024-11-08 17:42:35,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:42:36,314 INFO L124 PetriNetUnfolderBase]: 218/525 cut-off events. [2024-11-08 17:42:36,314 INFO L125 PetriNetUnfolderBase]: For 886/919 co-relation queries the response was YES. [2024-11-08 17:42:36,316 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1642 conditions, 525 events. 218/525 cut-off events. For 886/919 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2673 event pairs, 34 based on Foata normal form. 22/517 useless extension candidates. Maximal degree in co-relation 1615. Up to 170 conditions per place. [2024-11-08 17:42:36,318 INFO L140 encePairwiseOnDemand]: 23/33 looper letters, 29 selfloop transitions, 8 changer transitions 36/85 dead transitions. [2024-11-08 17:42:36,318 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 85 transitions, 596 flow [2024-11-08 17:42:36,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:42:36,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-08 17:42:36,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 131 transitions. [2024-11-08 17:42:36,320 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4962121212121212 [2024-11-08 17:42:36,320 INFO L175 Difference]: Start difference. First operand has 65 places, 61 transitions, 381 flow. Second operand 8 states and 131 transitions. [2024-11-08 17:42:36,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 85 transitions, 596 flow [2024-11-08 17:42:36,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 85 transitions, 575 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-11-08 17:42:36,328 INFO L231 Difference]: Finished difference. Result has 72 places, 44 transitions, 250 flow [2024-11-08 17:42:36,329 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=250, PETRI_PLACES=72, PETRI_TRANSITIONS=44} [2024-11-08 17:42:36,330 INFO L277 CegarLoopForPetriNet]: 37 programPoint places, 35 predicate places. [2024-11-08 17:42:36,330 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 44 transitions, 250 flow [2024-11-08 17:42:36,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 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) [2024-11-08 17:42:36,331 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:42:36,333 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] [2024-11-08 17:42:36,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 17:42:36,334 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-08 17:42:36,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:42:36,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1711350898, now seen corresponding path program 2 times [2024-11-08 17:42:36,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:42:36,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252991805] [2024-11-08 17:42:36,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:42:36,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:42:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:42:37,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:42:37,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:42:37,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252991805] [2024-11-08 17:42:37,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252991805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:42:37,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:42:37,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:42:37,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526097338] [2024-11-08 17:42:37,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:42:37,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:42:37,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:42:37,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:42:37,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:42:37,353 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 33 [2024-11-08 17:42:37,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 44 transitions, 250 flow. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 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) [2024-11-08 17:42:37,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:42:37,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 33 [2024-11-08 17:42:37,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:42:37,746 INFO L124 PetriNetUnfolderBase]: 129/341 cut-off events. [2024-11-08 17:42:37,746 INFO L125 PetriNetUnfolderBase]: For 383/419 co-relation queries the response was YES. [2024-11-08 17:42:37,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1000 conditions, 341 events. 129/341 cut-off events. For 383/419 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1523 event pairs, 52 based on Foata normal form. 14/333 useless extension candidates. Maximal degree in co-relation 971. Up to 114 conditions per place. [2024-11-08 17:42:37,749 INFO L140 encePairwiseOnDemand]: 24/33 looper letters, 20 selfloop transitions, 6 changer transitions 26/64 dead transitions. [2024-11-08 17:42:37,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 64 transitions, 414 flow [2024-11-08 17:42:37,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:42:37,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-08 17:42:37,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 128 transitions. [2024-11-08 17:42:37,750 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.48484848484848486 [2024-11-08 17:42:37,751 INFO L175 Difference]: Start difference. First operand has 72 places, 44 transitions, 250 flow. Second operand 8 states and 128 transitions. [2024-11-08 17:42:37,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 64 transitions, 414 flow [2024-11-08 17:42:37,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 64 transitions, 344 flow, removed 9 selfloop flow, removed 16 redundant places. [2024-11-08 17:42:37,754 INFO L231 Difference]: Finished difference. Result has 63 places, 36 transitions, 170 flow [2024-11-08 17:42:37,755 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=170, PETRI_PLACES=63, PETRI_TRANSITIONS=36} [2024-11-08 17:42:37,755 INFO L277 CegarLoopForPetriNet]: 37 programPoint places, 26 predicate places. [2024-11-08 17:42:37,756 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 36 transitions, 170 flow [2024-11-08 17:42:37,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 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) [2024-11-08 17:42:37,756 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:42:37,757 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] [2024-11-08 17:42:37,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 17:42:37,757 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-08 17:42:37,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:42:37,758 INFO L85 PathProgramCache]: Analyzing trace with hash -306347820, now seen corresponding path program 3 times [2024-11-08 17:42:37,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:42:37,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641725428] [2024-11-08 17:42:37,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:42:37,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:42:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:42:39,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:42:39,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:42:39,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641725428] [2024-11-08 17:42:39,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641725428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:42:39,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:42:39,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 17:42:39,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023413955] [2024-11-08 17:42:39,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:42:39,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 17:42:39,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:42:39,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 17:42:39,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:42:39,607 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 33 [2024-11-08 17:42:39,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 36 transitions, 170 flow. Second operand has 10 states, 10 states have (on average 11.7) internal successors, (117), 10 states have internal predecessors, (117), 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) [2024-11-08 17:42:39,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:42:39,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 33 [2024-11-08 17:42:39,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:42:40,001 INFO L124 PetriNetUnfolderBase]: 55/158 cut-off events. [2024-11-08 17:42:40,002 INFO L125 PetriNetUnfolderBase]: For 94/110 co-relation queries the response was YES. [2024-11-08 17:42:40,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 441 conditions, 158 events. 55/158 cut-off events. For 94/110 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 514 event pairs, 10 based on Foata normal form. 6/154 useless extension candidates. Maximal degree in co-relation 428. Up to 44 conditions per place. [2024-11-08 17:42:40,003 INFO L140 encePairwiseOnDemand]: 26/33 looper letters, 0 selfloop transitions, 0 changer transitions 43/43 dead transitions. [2024-11-08 17:42:40,003 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 43 transitions, 246 flow [2024-11-08 17:42:40,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:42:40,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-08 17:42:40,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 110 transitions. [2024-11-08 17:42:40,005 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4166666666666667 [2024-11-08 17:42:40,005 INFO L175 Difference]: Start difference. First operand has 63 places, 36 transitions, 170 flow. Second operand 8 states and 110 transitions. [2024-11-08 17:42:40,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 43 transitions, 246 flow [2024-11-08 17:42:40,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 43 transitions, 218 flow, removed 4 selfloop flow, removed 8 redundant places. [2024-11-08 17:42:40,008 INFO L231 Difference]: Finished difference. Result has 54 places, 0 transitions, 0 flow [2024-11-08 17:42:40,008 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=54, PETRI_TRANSITIONS=0} [2024-11-08 17:42:40,008 INFO L277 CegarLoopForPetriNet]: 37 programPoint places, 17 predicate places. [2024-11-08 17:42:40,009 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 0 transitions, 0 flow [2024-11-08 17:42:40,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.7) internal successors, (117), 10 states have internal predecessors, (117), 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) [2024-11-08 17:42:40,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-11-08 17:42:40,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2024-11-08 17:42:40,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-08 17:42:40,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-08 17:42:40,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2024-11-08 17:42:40,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 17:42:40,019 INFO L407 BasicCegarLoop]: Path program histogram: [4, 3, 1, 1, 1, 1] [2024-11-08 17:42:40,029 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 17:42:40,030 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:42:40,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:42:40 BasicIcfg [2024-11-08 17:42:40,035 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:42:40,040 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:42:40,040 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:42:40,040 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:42:40,041 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:42:21" (3/4) ... [2024-11-08 17:42:40,043 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 17:42:40,049 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-08 17:42:40,049 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-08 17:42:40,055 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 75 nodes and edges [2024-11-08 17:42:40,057 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-08 17:42:40,057 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 17:42:40,057 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 17:42:40,165 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb43b68-4b38-44e7-9791-f3e9d1a73df3/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 17:42:40,166 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb43b68-4b38-44e7-9791-f3e9d1a73df3/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 17:42:40,166 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:42:40,166 INFO L158 Benchmark]: Toolchain (without parser) took 21054.38ms. Allocated memory was 151.0MB in the beginning and 474.0MB in the end (delta: 323.0MB). Free memory was 111.1MB in the beginning and 198.6MB in the end (delta: -87.5MB). Peak memory consumption was 237.5MB. Max. memory is 16.1GB. [2024-11-08 17:42:40,167 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 151.0MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:42:40,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 778.89ms. Allocated memory is still 151.0MB. Free memory was 110.6MB in the beginning and 82.1MB in the end (delta: 28.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-08 17:42:40,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.66ms. Allocated memory is still 151.0MB. Free memory was 82.1MB in the beginning and 79.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:42:40,168 INFO L158 Benchmark]: Boogie Preprocessor took 61.81ms. Allocated memory is still 151.0MB. Free memory was 79.2MB in the beginning and 74.5MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:42:40,168 INFO L158 Benchmark]: RCFGBuilder took 1095.40ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 74.5MB in the beginning and 102.9MB in the end (delta: -28.3MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2024-11-08 17:42:40,169 INFO L158 Benchmark]: TraceAbstraction took 18912.31ms. Allocated memory was 188.7MB in the beginning and 474.0MB in the end (delta: 285.2MB). Free memory was 102.9MB in the beginning and 203.8MB in the end (delta: -100.9MB). Peak memory consumption was 185.3MB. Max. memory is 16.1GB. [2024-11-08 17:42:40,169 INFO L158 Benchmark]: Witness Printer took 126.05ms. Allocated memory is still 474.0MB. Free memory was 203.8MB in the beginning and 198.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:42:40,171 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 151.0MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 778.89ms. Allocated memory is still 151.0MB. Free memory was 110.6MB in the beginning and 82.1MB in the end (delta: 28.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.66ms. Allocated memory is still 151.0MB. Free memory was 82.1MB in the beginning and 79.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.81ms. Allocated memory is still 151.0MB. Free memory was 79.2MB in the beginning and 74.5MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1095.40ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 74.5MB in the beginning and 102.9MB in the end (delta: -28.3MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * TraceAbstraction took 18912.31ms. Allocated memory was 188.7MB in the beginning and 474.0MB in the end (delta: 285.2MB). Free memory was 102.9MB in the beginning and 203.8MB in the end (delta: -100.9MB). Peak memory consumption was 185.3MB. Max. memory is 16.1GB. * Witness Printer took 126.05ms. Allocated memory is still 474.0MB. Free memory was 203.8MB in the beginning and 198.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 53 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 18.7s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 417 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 399 mSDsluCounter, 215 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 188 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1590 IncrementalHoareTripleChecker+Invalid, 1683 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 27 mSDtfsCounter, 1590 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=467occurred in iteration=6, InterpolantAutomatonStates: 87, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 10.7s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 200 ConstructedInterpolants, 0 QuantifiedInterpolants, 1601 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-08 17:42:40,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb43b68-4b38-44e7-9791-f3e9d1a73df3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE