./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c3510b-a752-4da7-b0fc-2c14965e5f6b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c3510b-a752-4da7-b0fc-2c14965e5f6b/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c3510b-a752-4da7-b0fc-2c14965e5f6b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c3510b-a752-4da7-b0fc-2c14965e5f6b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c3510b-a752-4da7-b0fc-2c14965e5f6b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c3510b-a752-4da7-b0fc-2c14965e5f6b/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b78dfc9c2705d92d2bcea2c224e1a0e17a9d3d516f404185e5eda6bc0d05a15c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:33:35,502 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:33:35,567 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c3510b-a752-4da7-b0fc-2c14965e5f6b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-12-02 08:33:35,573 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:33:35,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:33:35,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:33:35,599 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:33:35,599 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:33:35,600 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:33:35,600 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:33:35,600 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:33:35,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:33:35,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:33:35,601 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:33:35,601 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:33:35,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:33:35,601 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:33:35,601 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:33:35,601 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:33:35,601 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:33:35,601 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:33:35,602 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:33:35,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:33:35,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:33:35,602 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 08:33:35,602 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 08:33:35,602 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:33:35,602 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:33:35,602 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:33:35,602 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:33:35,602 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:33:35,603 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:33:35,603 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:33:35,603 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:33:35,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:33:35,603 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:33:35,603 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:33:35,603 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:33:35,603 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:33:35,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:33:35,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:33:35,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:33:35,604 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:33:35,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:33:35,604 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:33:35,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:33:35,604 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:33:35,604 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:33:35,604 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:33:35,604 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:33:35,604 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c3510b-a752-4da7-b0fc-2c14965e5f6b/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b78dfc9c2705d92d2bcea2c224e1a0e17a9d3d516f404185e5eda6bc0d05a15c [2024-12-02 08:33:35,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:33:35,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:33:35,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:33:35,896 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:33:35,897 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:33:35,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c3510b-a752-4da7-b0fc-2c14965e5f6b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2024-12-02 08:33:38,860 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c3510b-a752-4da7-b0fc-2c14965e5f6b/bin/uautomizer-verify-84ZbGMXZE1/data/1a49fd8e2/5926f5db0b7a429daaecc588e5572ffa/FLAG5fa6ff6a6 [2024-12-02 08:33:39,085 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:33:39,086 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c3510b-a752-4da7-b0fc-2c14965e5f6b/sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2024-12-02 08:33:39,093 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c3510b-a752-4da7-b0fc-2c14965e5f6b/bin/uautomizer-verify-84ZbGMXZE1/data/1a49fd8e2/5926f5db0b7a429daaecc588e5572ffa/FLAG5fa6ff6a6 [2024-12-02 08:33:39,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c3510b-a752-4da7-b0fc-2c14965e5f6b/bin/uautomizer-verify-84ZbGMXZE1/data/1a49fd8e2/5926f5db0b7a429daaecc588e5572ffa [2024-12-02 08:33:39,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:33:39,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:33:39,113 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:33:39,113 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:33:39,118 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:33:39,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:33:39" (1/1) ... [2024-12-02 08:33:39,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62cdc87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:39, skipping insertion in model container [2024-12-02 08:33:39,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:33:39" (1/1) ... [2024-12-02 08:33:39,141 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:33:39,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:33:39,355 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:33:39,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:33:39,403 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:33:39,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:39 WrapperNode [2024-12-02 08:33:39,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:33:39,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:33:39,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:33:39,406 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:33:39,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:39" (1/1) ... [2024-12-02 08:33:39,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:39" (1/1) ... [2024-12-02 08:33:39,450 INFO L138 Inliner]: procedures = 22, calls = 21, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 228 [2024-12-02 08:33:39,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:33:39,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:33:39,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:33:39,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:33:39,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:39" (1/1) ... [2024-12-02 08:33:39,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:39" (1/1) ... [2024-12-02 08:33:39,465 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:39" (1/1) ... [2024-12-02 08:33:39,483 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]. [2024-12-02 08:33:39,483 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:39" (1/1) ... [2024-12-02 08:33:39,483 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:39" (1/1) ... [2024-12-02 08:33:39,490 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:39" (1/1) ... [2024-12-02 08:33:39,491 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:39" (1/1) ... [2024-12-02 08:33:39,494 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:39" (1/1) ... [2024-12-02 08:33:39,495 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:39" (1/1) ... [2024-12-02 08:33:39,496 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:39" (1/1) ... [2024-12-02 08:33:39,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:33:39,500 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:33:39,500 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:33:39,500 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:33:39,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:39" (1/1) ... [2024-12-02 08:33:39,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:33:39,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c3510b-a752-4da7-b0fc-2c14965e5f6b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:33:39,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c3510b-a752-4da7-b0fc-2c14965e5f6b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:33:39,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c3510b-a752-4da7-b0fc-2c14965e5f6b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:33:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:33:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-02 08:33:39,570 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-02 08:33:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-02 08:33:39,571 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-02 08:33:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-02 08:33:39,571 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-02 08:33:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-02 08:33:39,571 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-02 08:33:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:33:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-12-02 08:33:39,571 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-12-02 08:33:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-12-02 08:33:39,571 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-12-02 08:33:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:33:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:33:39,573 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-02 08:33:39,699 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:33:39,701 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:33:40,074 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 08:33:40,075 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:33:40,273 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:33:40,273 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 08:33:40,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:33:40 BoogieIcfgContainer [2024-12-02 08:33:40,274 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:33:40,277 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:33:40,277 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:33:40,282 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:33:40,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:33:39" (1/3) ... [2024-12-02 08:33:40,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f30a22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:33:40, skipping insertion in model container [2024-12-02 08:33:40,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:39" (2/3) ... [2024-12-02 08:33:40,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f30a22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:33:40, skipping insertion in model container [2024-12-02 08:33:40,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:33:40" (3/3) ... [2024-12-02 08:33:40,285 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-barrier.wvr.c [2024-12-02 08:33:40,302 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:33:40,303 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-barrier.wvr.c that has 7 procedures, 103 locations, 1 initial locations, 0 loop locations, and 16 error locations. [2024-12-02 08:33:40,304 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 08:33:40,406 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-12-02 08:33:40,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 127 places, 112 transitions, 290 flow [2024-12-02 08:33:40,506 INFO L124 PetriNetUnfolderBase]: 4/100 cut-off events. [2024-12-02 08:33:40,510 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-12-02 08:33:40,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 100 events. 4/100 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 266 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 97. Up to 3 conditions per place. [2024-12-02 08:33:40,515 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 112 transitions, 290 flow [2024-12-02 08:33:40,520 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 113 places, 98 transitions, 241 flow [2024-12-02 08:33:40,526 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:33:40,537 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;@4db95069, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:33:40,538 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2024-12-02 08:33:40,551 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 08:33:40,551 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-12-02 08:33:40,551 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 08:33:40,552 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:33:40,552 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:33:40,553 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-12-02 08:33:40,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:33:40,559 INFO L85 PathProgramCache]: Analyzing trace with hash -916797830, now seen corresponding path program 1 times [2024-12-02 08:33:40,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:33:40,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835034739] [2024-12-02 08:33:40,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:33:40,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:33:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:33:41,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:33:41,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:33:41,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835034739] [2024-12-02 08:33:41,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835034739] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:33:41,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:33:41,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:33:41,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771783627] [2024-12-02 08:33:41,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:33:41,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 08:33:41,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:33:41,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 08:33:41,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:33:41,197 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 116 [2024-12-02 08:33:41,201 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 98 transitions, 241 flow. Second operand has 7 states, 7 states have (on average 48.285714285714285) internal successors, (338), 7 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:33:41,201 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:33:41,201 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 116 [2024-12-02 08:33:41,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:33:53,412 INFO L124 PetriNetUnfolderBase]: 103627/151011 cut-off events. [2024-12-02 08:33:53,412 INFO L125 PetriNetUnfolderBase]: For 12107/12107 co-relation queries the response was YES. [2024-12-02 08:33:53,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 299865 conditions, 151011 events. 103627/151011 cut-off events. For 12107/12107 co-relation queries the response was YES. Maximal size of possible extension queue 4471. Compared 1194863 event pairs, 4585 based on Foata normal form. 3920/143361 useless extension candidates. Maximal degree in co-relation 298172. Up to 25846 conditions per place. [2024-12-02 08:33:54,485 INFO L140 encePairwiseOnDemand]: 98/116 looper letters, 335 selfloop transitions, 47 changer transitions 0/422 dead transitions. [2024-12-02 08:33:54,485 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 422 transitions, 1905 flow [2024-12-02 08:33:54,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 08:33:54,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-12-02 08:33:54,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1130 transitions. [2024-12-02 08:33:54,505 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6088362068965517 [2024-12-02 08:33:54,507 INFO L175 Difference]: Start difference. First operand has 113 places, 98 transitions, 241 flow. Second operand 16 states and 1130 transitions. [2024-12-02 08:33:54,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 422 transitions, 1905 flow [2024-12-02 08:33:54,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 422 transitions, 1714 flow, removed 0 selfloop flow, removed 11 redundant places. [2024-12-02 08:33:54,893 INFO L231 Difference]: Finished difference. Result has 129 places, 140 transitions, 562 flow [2024-12-02 08:33:54,895 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=562, PETRI_PLACES=129, PETRI_TRANSITIONS=140} [2024-12-02 08:33:54,899 INFO L279 CegarLoopForPetriNet]: 113 programPoint places, 16 predicate places. [2024-12-02 08:33:54,899 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 140 transitions, 562 flow [2024-12-02 08:33:54,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.285714285714285) internal successors, (338), 7 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:33:54,900 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:33:54,900 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:33:54,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 08:33:54,900 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-12-02 08:33:54,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:33:54,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1644038937, now seen corresponding path program 1 times [2024-12-02 08:33:54,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:33:54,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403390386] [2024-12-02 08:33:54,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:33:54,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:33:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:33:55,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:33:55,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:33:55,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403390386] [2024-12-02 08:33:55,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403390386] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:33:55,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:33:55,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:33:55,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611069607] [2024-12-02 08:33:55,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:33:55,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 08:33:55,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:33:55,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 08:33:55,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:33:55,151 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 116 [2024-12-02 08:33:55,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 140 transitions, 562 flow. Second operand has 7 states, 7 states have (on average 48.285714285714285) internal successors, (338), 7 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:33:55,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:33:55,152 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 116 [2024-12-02 08:33:55,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:34:07,203 INFO L124 PetriNetUnfolderBase]: 93187/136875 cut-off events. [2024-12-02 08:34:07,203 INFO L125 PetriNetUnfolderBase]: For 236322/236990 co-relation queries the response was YES. [2024-12-02 08:34:07,591 INFO L83 FinitePrefix]: Finished finitePrefix Result has 348727 conditions, 136875 events. 93187/136875 cut-off events. For 236322/236990 co-relation queries the response was YES. Maximal size of possible extension queue 4274. Compared 1088193 event pairs, 5561 based on Foata normal form. 4212/130543 useless extension candidates. Maximal degree in co-relation 345081. Up to 36283 conditions per place. [2024-12-02 08:34:08,244 INFO L140 encePairwiseOnDemand]: 98/116 looper letters, 341 selfloop transitions, 63 changer transitions 0/444 dead transitions. [2024-12-02 08:34:08,244 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 444 transitions, 2425 flow [2024-12-02 08:34:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 08:34:08,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-12-02 08:34:08,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1176 transitions. [2024-12-02 08:34:08,248 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5963488843813387 [2024-12-02 08:34:08,248 INFO L175 Difference]: Start difference. First operand has 129 places, 140 transitions, 562 flow. Second operand 17 states and 1176 transitions. [2024-12-02 08:34:08,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 444 transitions, 2425 flow [2024-12-02 08:34:14,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 444 transitions, 2399 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-12-02 08:34:14,644 INFO L231 Difference]: Finished difference. Result has 146 places, 165 transitions, 860 flow [2024-12-02 08:34:14,645 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=860, PETRI_PLACES=146, PETRI_TRANSITIONS=165} [2024-12-02 08:34:14,645 INFO L279 CegarLoopForPetriNet]: 113 programPoint places, 33 predicate places. [2024-12-02 08:34:14,646 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 165 transitions, 860 flow [2024-12-02 08:34:14,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.285714285714285) internal successors, (338), 7 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:34:14,646 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:34:14,646 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:34:14,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 08:34:14,646 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread5Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-12-02 08:34:14,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:34:14,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1309241627, now seen corresponding path program 1 times [2024-12-02 08:34:14,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:34:14,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485105973] [2024-12-02 08:34:14,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:34:14,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:34:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:34:14,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:34:14,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:34:14,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485105973] [2024-12-02 08:34:14,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485105973] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:34:14,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:34:14,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:34:14,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422844830] [2024-12-02 08:34:14,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:34:14,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:34:14,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:34:14,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:34:14,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:34:14,880 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 116 [2024-12-02 08:34:14,880 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 165 transitions, 860 flow. Second operand has 5 states, 5 states have (on average 52.4) internal successors, (262), 5 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:34:14,881 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:34:14,881 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 116 [2024-12-02 08:34:14,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:34:38,167 INFO L124 PetriNetUnfolderBase]: 162779/242212 cut-off events. [2024-12-02 08:34:38,167 INFO L125 PetriNetUnfolderBase]: For 355137/363637 co-relation queries the response was YES. [2024-12-02 08:34:39,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 574458 conditions, 242212 events. 162779/242212 cut-off events. For 355137/363637 co-relation queries the response was YES. Maximal size of possible extension queue 7347. Compared 2104466 event pairs, 12191 based on Foata normal form. 17340/240142 useless extension candidates. Maximal degree in co-relation 568846. Up to 94625 conditions per place. [2024-12-02 08:34:40,142 INFO L140 encePairwiseOnDemand]: 102/116 looper letters, 238 selfloop transitions, 67 changer transitions 0/377 dead transitions. [2024-12-02 08:34:40,143 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 377 transitions, 2368 flow [2024-12-02 08:34:40,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 08:34:40,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-12-02 08:34:40,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 672 transitions. [2024-12-02 08:34:40,145 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6436781609195402 [2024-12-02 08:34:40,145 INFO L175 Difference]: Start difference. First operand has 146 places, 165 transitions, 860 flow. Second operand 9 states and 672 transitions. [2024-12-02 08:34:40,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 377 transitions, 2368 flow [2024-12-02 08:34:44,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 377 transitions, 2298 flow, removed 6 selfloop flow, removed 5 redundant places. [2024-12-02 08:34:44,333 INFO L231 Difference]: Finished difference. Result has 154 places, 200 transitions, 1322 flow [2024-12-02 08:34:44,333 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=823, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1322, PETRI_PLACES=154, PETRI_TRANSITIONS=200} [2024-12-02 08:34:44,334 INFO L279 CegarLoopForPetriNet]: 113 programPoint places, 41 predicate places. [2024-12-02 08:34:44,334 INFO L471 AbstractCegarLoop]: Abstraction has has 154 places, 200 transitions, 1322 flow [2024-12-02 08:34:44,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 52.4) internal successors, (262), 5 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:34:44,334 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:34:44,335 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:34:44,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 08:34:44,335 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-12-02 08:34:44,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:34:44,335 INFO L85 PathProgramCache]: Analyzing trace with hash -574504337, now seen corresponding path program 1 times [2024-12-02 08:34:44,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:34:44,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917436356] [2024-12-02 08:34:44,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:34:44,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:34:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:34:44,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:34:44,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:34:44,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917436356] [2024-12-02 08:34:44,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917436356] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:34:44,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:34:44,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:34:44,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838808630] [2024-12-02 08:34:44,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:34:44,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:34:44,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:34:44,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:34:44,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:34:44,452 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 116 [2024-12-02 08:34:44,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 200 transitions, 1322 flow. Second operand has 5 states, 5 states have (on average 52.4) internal successors, (262), 5 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:34:44,453 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:34:44,453 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 116 [2024-12-02 08:34:44,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:35:12,294 INFO L124 PetriNetUnfolderBase]: 183328/288444 cut-off events. [2024-12-02 08:35:12,294 INFO L125 PetriNetUnfolderBase]: For 494672/496204 co-relation queries the response was YES. [2024-12-02 08:35:13,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 750726 conditions, 288444 events. 183328/288444 cut-off events. For 494672/496204 co-relation queries the response was YES. Maximal size of possible extension queue 9480. Compared 2791911 event pairs, 16235 based on Foata normal form. 5760/270899 useless extension candidates. Maximal degree in co-relation 744344. Up to 157982 conditions per place. [2024-12-02 08:35:14,466 INFO L140 encePairwiseOnDemand]: 104/116 looper letters, 211 selfloop transitions, 110 changer transitions 0/388 dead transitions. [2024-12-02 08:35:14,466 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 388 transitions, 2957 flow [2024-12-02 08:35:14,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 08:35:14,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-12-02 08:35:14,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 668 transitions. [2024-12-02 08:35:14,468 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6398467432950191 [2024-12-02 08:35:14,468 INFO L175 Difference]: Start difference. First operand has 154 places, 200 transitions, 1322 flow. Second operand 9 states and 668 transitions. [2024-12-02 08:35:14,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 388 transitions, 2957 flow [2024-12-02 08:35:47,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 388 transitions, 2952 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 08:35:47,334 INFO L231 Difference]: Finished difference. Result has 167 places, 242 transitions, 2127 flow [2024-12-02 08:35:47,334 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=1320, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2127, PETRI_PLACES=167, PETRI_TRANSITIONS=242} [2024-12-02 08:35:47,334 INFO L279 CegarLoopForPetriNet]: 113 programPoint places, 54 predicate places. [2024-12-02 08:35:47,334 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 242 transitions, 2127 flow [2024-12-02 08:35:47,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 52.4) internal successors, (262), 5 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:35:47,335 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:35:47,335 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:35:47,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 08:35:47,335 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread6Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-12-02 08:35:47,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:35:47,336 INFO L85 PathProgramCache]: Analyzing trace with hash -244329168, now seen corresponding path program 1 times [2024-12-02 08:35:47,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:35:47,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55116867] [2024-12-02 08:35:47,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:35:47,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:35:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:35:47,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:35:47,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:35:47,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55116867] [2024-12-02 08:35:47,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55116867] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:35:47,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:35:47,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:35:47,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555175805] [2024-12-02 08:35:47,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:35:47,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:35:47,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:35:47,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:35:47,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:35:47,439 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 116 [2024-12-02 08:35:47,439 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 242 transitions, 2127 flow. Second operand has 4 states, 4 states have (on average 56.5) internal successors, (226), 4 states have internal predecessors, (226), 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) [2024-12-02 08:35:47,439 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:35:47,439 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 116 [2024-12-02 08:35:47,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:36:18,624 INFO L124 PetriNetUnfolderBase]: 187078/279375 cut-off events. [2024-12-02 08:36:18,624 INFO L125 PetriNetUnfolderBase]: For 582654/586998 co-relation queries the response was YES. [2024-12-02 08:36:19,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 754578 conditions, 279375 events. 187078/279375 cut-off events. For 582654/586998 co-relation queries the response was YES. Maximal size of possible extension queue 8937. Compared 2478567 event pairs, 20618 based on Foata normal form. 7314/266838 useless extension candidates. Maximal degree in co-relation 748337. Up to 186097 conditions per place. [2024-12-02 08:36:21,542 INFO L140 encePairwiseOnDemand]: 108/116 looper letters, 146 selfloop transitions, 119 changer transitions 0/346 dead transitions. [2024-12-02 08:36:21,542 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 346 transitions, 3337 flow [2024-12-02 08:36:21,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:36:21,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-12-02 08:36:21,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 391 transitions. [2024-12-02 08:36:21,545 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6741379310344827 [2024-12-02 08:36:21,545 INFO L175 Difference]: Start difference. First operand has 167 places, 242 transitions, 2127 flow. Second operand 5 states and 391 transitions. [2024-12-02 08:36:21,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 346 transitions, 3337 flow [2024-12-02 08:36:45,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 346 transitions, 3283 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 08:36:45,353 INFO L231 Difference]: Finished difference. Result has 173 places, 267 transitions, 2876 flow [2024-12-02 08:36:45,353 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=2084, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2876, PETRI_PLACES=173, PETRI_TRANSITIONS=267} [2024-12-02 08:36:45,354 INFO L279 CegarLoopForPetriNet]: 113 programPoint places, 60 predicate places. [2024-12-02 08:36:45,354 INFO L471 AbstractCegarLoop]: Abstraction has has 173 places, 267 transitions, 2876 flow [2024-12-02 08:36:45,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.5) internal successors, (226), 4 states have internal predecessors, (226), 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) [2024-12-02 08:36:45,354 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:36:45,354 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:36:45,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 08:36:45,354 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-12-02 08:36:45,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:36:45,355 INFO L85 PathProgramCache]: Analyzing trace with hash 2132140373, now seen corresponding path program 1 times [2024-12-02 08:36:45,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:36:45,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786955590] [2024-12-02 08:36:45,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:45,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:36:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:45,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:36:45,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:36:45,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786955590] [2024-12-02 08:36:45,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786955590] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:36:45,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:36:45,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:36:45,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342368718] [2024-12-02 08:36:45,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:36:45,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:36:45,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:36:45,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:36:45,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:36:45,414 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 116 [2024-12-02 08:36:45,415 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 267 transitions, 2876 flow. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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) [2024-12-02 08:36:45,415 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:36:45,415 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 116 [2024-12-02 08:36:45,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:36:49,863 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([582] L61-->L65: Formula: (and (= v_~temp_5~0_47 v_~x_0~0_72) (not (= (ite (and (not (= (mod v_~f1_2~0_57 256) 0)) (not (= (mod v_~f2_3~0_55 256) 0))) 1 0) 0))) InVars {~f2_3~0=v_~f2_3~0_55, ~x_0~0=v_~x_0~0_72, ~f1_2~0=v_~f1_2~0_57} OutVars{thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1_1|, ~f1_2~0=v_~f1_2~0_57, ~f2_3~0=v_~f2_3~0_55, ~x_0~0=v_~x_0~0_72, ~temp_5~0=v_~temp_5~0_47, thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1, ~temp_5~0, thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1][206], [Black: 189#(and (= ~y_7~0 0) (<= ~x_0~0 0)), Black: 187#(and (= ~y_7~0 0) (<= ~temp_4~0 0) (<= ~x_0~0 0)), Black: 174#(<= ~x_0~0 0), Black: 197#(and (<= ~temp_4~0 0) (<= ~x_0~0 0)), 81#L85true, 214#(and (= ~x_6~0 0) (= ~temp_10~0 0)), 156#(and (<= 0 ~x_0~0) (<= 0 ~temp_4~0)), Black: 208#(and (= ~x_6~0 0) (= ~y_7~0 0) (= ~temp_10~0 0)), Black: 205#(= ~x_6~0 0), 242#(= ~temp_11~0 0), Black: 210#(and (= ~y_7~0 0) (= ~temp_10~0 0)), 103#L98-3true, Black: 206#(= ~temp_10~0 0), 126#true, Black: 136#(<= 0 ~temp_4~0), Black: 146#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (= ~y_7~0 0)), Black: 132#(= ~y_7~0 0), Black: 154#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (<= 0 ~temp_4~0)), 248#true, Black: 138#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 148#(and (<= 0 ~x_0~0) (= ~y_7~0 0)), Black: 144#(and (= ~y_1~0 0) (= ~y_7~0 0)), Black: 142#(and (= ~y_7~0 0) (<= 0 ~temp_4~0)), 80#L143-4true, Black: 150#(and (<= 0 ~x_0~0) (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 224#(= ~temp_5~0 0), Black: 230#(and (= ~y_1~0 0) (= ~y_7~0 0)), Black: 226#(and (= ~y_1~0 0) (= ~y_7~0 0) (= ~temp_5~0 0)), Black: 223#(= ~y_1~0 0), 97#L76-4true, Black: 228#(and (= ~y_7~0 0) (= ~temp_5~0 0)), Black: 232#(and (= ~y_1~0 0) (= ~temp_5~0 0)), 10#thread2EXITtrue, Black: 241#(= ~y_7~0 0), Black: 244#(and (= ~y_7~0 0) (= ~temp_11~0 0)), 175#(<= ~temp_4~0 0), 31#L115-4true, 89#L65true]) [2024-12-02 08:36:49,863 INFO L294 olderBase$Statistics]: this new event has 49 ancestors and is cut-off event [2024-12-02 08:36:49,863 INFO L297 olderBase$Statistics]: existing Event has 49 ancestors and is cut-off event [2024-12-02 08:36:49,863 INFO L297 olderBase$Statistics]: existing Event has 49 ancestors and is cut-off event [2024-12-02 08:36:49,863 INFO L297 olderBase$Statistics]: existing Event has 49 ancestors and is cut-off event [2024-12-02 08:36:50,090 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([582] L61-->L65: Formula: (and (= v_~temp_5~0_47 v_~x_0~0_72) (not (= (ite (and (not (= (mod v_~f1_2~0_57 256) 0)) (not (= (mod v_~f2_3~0_55 256) 0))) 1 0) 0))) InVars {~f2_3~0=v_~f2_3~0_55, ~x_0~0=v_~x_0~0_72, ~f1_2~0=v_~f1_2~0_57} OutVars{thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1_1|, ~f1_2~0=v_~f1_2~0_57, ~f2_3~0=v_~f2_3~0_55, ~x_0~0=v_~x_0~0_72, ~temp_5~0=v_~temp_5~0_47, thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1, ~temp_5~0, thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1][206], [Black: 189#(and (= ~y_7~0 0) (<= ~x_0~0 0)), Black: 187#(and (= ~y_7~0 0) (<= ~temp_4~0 0) (<= ~x_0~0 0)), Black: 174#(<= ~x_0~0 0), Black: 197#(and (<= ~temp_4~0 0) (<= ~x_0~0 0)), 81#L85true, 214#(and (= ~x_6~0 0) (= ~temp_10~0 0)), 156#(and (<= 0 ~x_0~0) (<= 0 ~temp_4~0)), Black: 208#(and (= ~x_6~0 0) (= ~y_7~0 0) (= ~temp_10~0 0)), 242#(= ~temp_11~0 0), Black: 205#(= ~x_6~0 0), Black: 210#(and (= ~y_7~0 0) (= ~temp_10~0 0)), 103#L98-3true, Black: 206#(= ~temp_10~0 0), 126#true, Black: 136#(<= 0 ~temp_4~0), Black: 146#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (= ~y_7~0 0)), Black: 132#(= ~y_7~0 0), Black: 154#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (<= 0 ~temp_4~0)), 248#true, Black: 138#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 148#(and (<= 0 ~x_0~0) (= ~y_7~0 0)), Black: 144#(and (= ~y_1~0 0) (= ~y_7~0 0)), Black: 142#(and (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 150#(and (<= 0 ~x_0~0) (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 224#(= ~temp_5~0 0), Black: 230#(and (= ~y_1~0 0) (= ~y_7~0 0)), Black: 226#(and (= ~y_1~0 0) (= ~y_7~0 0) (= ~temp_5~0 0)), Black: 223#(= ~y_1~0 0), 97#L76-4true, Black: 228#(and (= ~y_7~0 0) (= ~temp_5~0 0)), Black: 232#(and (= ~y_1~0 0) (= ~temp_5~0 0)), 10#thread2EXITtrue, Black: 241#(= ~y_7~0 0), Black: 244#(and (= ~y_7~0 0) (= ~temp_11~0 0)), 12#L144true, 175#(<= ~temp_4~0 0), 31#L115-4true, 89#L65true]) [2024-12-02 08:36:50,090 INFO L294 olderBase$Statistics]: this new event has 50 ancestors and is cut-off event [2024-12-02 08:36:50,091 INFO L297 olderBase$Statistics]: existing Event has 50 ancestors and is cut-off event [2024-12-02 08:36:50,091 INFO L297 olderBase$Statistics]: existing Event has 50 ancestors and is cut-off event [2024-12-02 08:36:50,091 INFO L297 olderBase$Statistics]: existing Event has 50 ancestors and is cut-off event [2024-12-02 08:36:50,322 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([582] L61-->L65: Formula: (and (= v_~temp_5~0_47 v_~x_0~0_72) (not (= (ite (and (not (= (mod v_~f1_2~0_57 256) 0)) (not (= (mod v_~f2_3~0_55 256) 0))) 1 0) 0))) InVars {~f2_3~0=v_~f2_3~0_55, ~x_0~0=v_~x_0~0_72, ~f1_2~0=v_~f1_2~0_57} OutVars{thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1_1|, ~f1_2~0=v_~f1_2~0_57, ~f2_3~0=v_~f2_3~0_55, ~x_0~0=v_~x_0~0_72, ~temp_5~0=v_~temp_5~0_47, thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1, ~temp_5~0, thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1][206], [Black: 189#(and (= ~y_7~0 0) (<= ~x_0~0 0)), Black: 187#(and (= ~y_7~0 0) (<= ~temp_4~0 0) (<= ~x_0~0 0)), Black: 174#(<= ~x_0~0 0), Black: 197#(and (<= ~temp_4~0 0) (<= ~x_0~0 0)), 81#L85true, 214#(and (= ~x_6~0 0) (= ~temp_10~0 0)), 156#(and (<= 0 ~x_0~0) (<= 0 ~temp_4~0)), Black: 208#(and (= ~x_6~0 0) (= ~y_7~0 0) (= ~temp_10~0 0)), 242#(= ~temp_11~0 0), Black: 205#(= ~x_6~0 0), 103#L98-3true, Black: 210#(and (= ~y_7~0 0) (= ~temp_10~0 0)), Black: 206#(= ~temp_10~0 0), 126#true, Black: 136#(<= 0 ~temp_4~0), Black: 146#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (= ~y_7~0 0)), Black: 132#(= ~y_7~0 0), Black: 154#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (<= 0 ~temp_4~0)), 248#true, Black: 138#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 148#(and (<= 0 ~x_0~0) (= ~y_7~0 0)), Black: 144#(and (= ~y_1~0 0) (= ~y_7~0 0)), 14#L77true, Black: 142#(and (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 150#(and (<= 0 ~x_0~0) (= ~y_7~0 0) (<= 0 ~temp_4~0)), 80#L143-4true, Black: 224#(= ~temp_5~0 0), Black: 230#(and (= ~y_1~0 0) (= ~y_7~0 0)), Black: 226#(and (= ~y_1~0 0) (= ~y_7~0 0) (= ~temp_5~0 0)), Black: 223#(= ~y_1~0 0), Black: 228#(and (= ~y_7~0 0) (= ~temp_5~0 0)), Black: 232#(and (= ~y_1~0 0) (= ~temp_5~0 0)), 10#thread2EXITtrue, Black: 241#(= ~y_7~0 0), Black: 244#(and (= ~y_7~0 0) (= ~temp_11~0 0)), 175#(<= ~temp_4~0 0), 31#L115-4true, 89#L65true]) [2024-12-02 08:36:50,323 INFO L294 olderBase$Statistics]: this new event has 50 ancestors and is cut-off event [2024-12-02 08:36:50,323 INFO L297 olderBase$Statistics]: existing Event has 50 ancestors and is cut-off event [2024-12-02 08:36:50,323 INFO L297 olderBase$Statistics]: existing Event has 50 ancestors and is cut-off event [2024-12-02 08:36:50,323 INFO L297 olderBase$Statistics]: existing Event has 50 ancestors and is cut-off event [2024-12-02 08:36:50,334 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([582] L61-->L65: Formula: (and (= v_~temp_5~0_47 v_~x_0~0_72) (not (= (ite (and (not (= (mod v_~f1_2~0_57 256) 0)) (not (= (mod v_~f2_3~0_55 256) 0))) 1 0) 0))) InVars {~f2_3~0=v_~f2_3~0_55, ~x_0~0=v_~x_0~0_72, ~f1_2~0=v_~f1_2~0_57} OutVars{thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1_1|, ~f1_2~0=v_~f1_2~0_57, ~f2_3~0=v_~f2_3~0_55, ~x_0~0=v_~x_0~0_72, ~temp_5~0=v_~temp_5~0_47, thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1, ~temp_5~0, thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1][206], [Black: 189#(and (= ~y_7~0 0) (<= ~x_0~0 0)), Black: 187#(and (= ~y_7~0 0) (<= ~temp_4~0 0) (<= ~x_0~0 0)), Black: 174#(<= ~x_0~0 0), 63#L116true, Black: 197#(and (<= ~temp_4~0 0) (<= ~x_0~0 0)), 81#L85true, 214#(and (= ~x_6~0 0) (= ~temp_10~0 0)), 156#(and (<= 0 ~x_0~0) (<= 0 ~temp_4~0)), Black: 208#(and (= ~x_6~0 0) (= ~y_7~0 0) (= ~temp_10~0 0)), 242#(= ~temp_11~0 0), Black: 205#(= ~x_6~0 0), 103#L98-3true, Black: 210#(and (= ~y_7~0 0) (= ~temp_10~0 0)), Black: 206#(= ~temp_10~0 0), 126#true, Black: 136#(<= 0 ~temp_4~0), Black: 146#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (= ~y_7~0 0)), Black: 132#(= ~y_7~0 0), Black: 154#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (<= 0 ~temp_4~0)), 248#true, Black: 138#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 148#(and (<= 0 ~x_0~0) (= ~y_7~0 0)), Black: 144#(and (= ~y_1~0 0) (= ~y_7~0 0)), Black: 142#(and (= ~y_7~0 0) (<= 0 ~temp_4~0)), 80#L143-4true, Black: 150#(and (<= 0 ~x_0~0) (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 224#(= ~temp_5~0 0), Black: 230#(and (= ~y_1~0 0) (= ~y_7~0 0)), Black: 226#(and (= ~y_1~0 0) (= ~y_7~0 0) (= ~temp_5~0 0)), Black: 223#(= ~y_1~0 0), 97#L76-4true, Black: 228#(and (= ~y_7~0 0) (= ~temp_5~0 0)), Black: 232#(and (= ~y_1~0 0) (= ~temp_5~0 0)), 10#thread2EXITtrue, Black: 241#(= ~y_7~0 0), Black: 244#(and (= ~y_7~0 0) (= ~temp_11~0 0)), 175#(<= ~temp_4~0 0), 89#L65true]) [2024-12-02 08:36:50,334 INFO L294 olderBase$Statistics]: this new event has 50 ancestors and is cut-off event [2024-12-02 08:36:50,334 INFO L297 olderBase$Statistics]: existing Event has 50 ancestors and is cut-off event [2024-12-02 08:36:50,334 INFO L297 olderBase$Statistics]: existing Event has 50 ancestors and is cut-off event [2024-12-02 08:36:50,334 INFO L297 olderBase$Statistics]: existing Event has 50 ancestors and is cut-off event [2024-12-02 08:36:50,561 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([582] L61-->L65: Formula: (and (= v_~temp_5~0_47 v_~x_0~0_72) (not (= (ite (and (not (= (mod v_~f1_2~0_57 256) 0)) (not (= (mod v_~f2_3~0_55 256) 0))) 1 0) 0))) InVars {~f2_3~0=v_~f2_3~0_55, ~x_0~0=v_~x_0~0_72, ~f1_2~0=v_~f1_2~0_57} OutVars{thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1_1|, ~f1_2~0=v_~f1_2~0_57, ~f2_3~0=v_~f2_3~0_55, ~x_0~0=v_~x_0~0_72, ~temp_5~0=v_~temp_5~0_47, thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1, ~temp_5~0, thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1][206], [Black: 189#(and (= ~y_7~0 0) (<= ~x_0~0 0)), Black: 187#(and (= ~y_7~0 0) (<= ~temp_4~0 0) (<= ~x_0~0 0)), Black: 174#(<= ~x_0~0 0), Black: 197#(and (<= ~temp_4~0 0) (<= ~x_0~0 0)), 81#L85true, 214#(and (= ~x_6~0 0) (= ~temp_10~0 0)), 156#(and (<= 0 ~x_0~0) (<= 0 ~temp_4~0)), Black: 208#(and (= ~x_6~0 0) (= ~y_7~0 0) (= ~temp_10~0 0)), 242#(= ~temp_11~0 0), Black: 205#(= ~x_6~0 0), 103#L98-3true, Black: 210#(and (= ~y_7~0 0) (= ~temp_10~0 0)), Black: 206#(= ~temp_10~0 0), 126#true, Black: 136#(<= 0 ~temp_4~0), Black: 146#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (= ~y_7~0 0)), Black: 132#(= ~y_7~0 0), Black: 154#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (<= 0 ~temp_4~0)), 248#true, Black: 138#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 148#(and (<= 0 ~x_0~0) (= ~y_7~0 0)), Black: 144#(and (= ~y_1~0 0) (= ~y_7~0 0)), Black: 142#(and (= ~y_7~0 0) (<= 0 ~temp_4~0)), 14#L77true, Black: 150#(and (<= 0 ~x_0~0) (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 224#(= ~temp_5~0 0), Black: 230#(and (= ~y_1~0 0) (= ~y_7~0 0)), Black: 226#(and (= ~y_1~0 0) (= ~y_7~0 0) (= ~temp_5~0 0)), Black: 223#(= ~y_1~0 0), Black: 228#(and (= ~y_7~0 0) (= ~temp_5~0 0)), Black: 232#(and (= ~y_1~0 0) (= ~temp_5~0 0)), 10#thread2EXITtrue, Black: 241#(= ~y_7~0 0), Black: 244#(and (= ~y_7~0 0) (= ~temp_11~0 0)), 175#(<= ~temp_4~0 0), 12#L144true, 31#L115-4true, 89#L65true]) [2024-12-02 08:36:50,561 INFO L294 olderBase$Statistics]: this new event has 51 ancestors and is cut-off event [2024-12-02 08:36:50,561 INFO L297 olderBase$Statistics]: existing Event has 51 ancestors and is cut-off event [2024-12-02 08:36:50,561 INFO L297 olderBase$Statistics]: existing Event has 51 ancestors and is cut-off event [2024-12-02 08:36:50,562 INFO L297 olderBase$Statistics]: existing Event has 51 ancestors and is cut-off event [2024-12-02 08:36:50,572 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([582] L61-->L65: Formula: (and (= v_~temp_5~0_47 v_~x_0~0_72) (not (= (ite (and (not (= (mod v_~f1_2~0_57 256) 0)) (not (= (mod v_~f2_3~0_55 256) 0))) 1 0) 0))) InVars {~f2_3~0=v_~f2_3~0_55, ~x_0~0=v_~x_0~0_72, ~f1_2~0=v_~f1_2~0_57} OutVars{thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1_1|, ~f1_2~0=v_~f1_2~0_57, ~f2_3~0=v_~f2_3~0_55, ~x_0~0=v_~x_0~0_72, ~temp_5~0=v_~temp_5~0_47, thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1, ~temp_5~0, thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1][206], [Black: 189#(and (= ~y_7~0 0) (<= ~x_0~0 0)), Black: 187#(and (= ~y_7~0 0) (<= ~temp_4~0 0) (<= ~x_0~0 0)), Black: 174#(<= ~x_0~0 0), 63#L116true, Black: 197#(and (<= ~temp_4~0 0) (<= ~x_0~0 0)), 81#L85true, 214#(and (= ~x_6~0 0) (= ~temp_10~0 0)), 156#(and (<= 0 ~x_0~0) (<= 0 ~temp_4~0)), Black: 208#(and (= ~x_6~0 0) (= ~y_7~0 0) (= ~temp_10~0 0)), 242#(= ~temp_11~0 0), Black: 205#(= ~x_6~0 0), 103#L98-3true, Black: 210#(and (= ~y_7~0 0) (= ~temp_10~0 0)), Black: 206#(= ~temp_10~0 0), 126#true, Black: 136#(<= 0 ~temp_4~0), Black: 146#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (= ~y_7~0 0)), Black: 132#(= ~y_7~0 0), Black: 154#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (<= 0 ~temp_4~0)), 248#true, Black: 138#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 148#(and (<= 0 ~x_0~0) (= ~y_7~0 0)), Black: 144#(and (= ~y_1~0 0) (= ~y_7~0 0)), Black: 142#(and (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 150#(and (<= 0 ~x_0~0) (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 224#(= ~temp_5~0 0), Black: 230#(and (= ~y_1~0 0) (= ~y_7~0 0)), Black: 226#(and (= ~y_1~0 0) (= ~y_7~0 0) (= ~temp_5~0 0)), Black: 223#(= ~y_1~0 0), 97#L76-4true, Black: 228#(and (= ~y_7~0 0) (= ~temp_5~0 0)), Black: 232#(and (= ~y_1~0 0) (= ~temp_5~0 0)), 10#thread2EXITtrue, Black: 241#(= ~y_7~0 0), Black: 244#(and (= ~y_7~0 0) (= ~temp_11~0 0)), 175#(<= ~temp_4~0 0), 12#L144true, 89#L65true]) [2024-12-02 08:36:50,572 INFO L294 olderBase$Statistics]: this new event has 51 ancestors and is cut-off event [2024-12-02 08:36:50,572 INFO L297 olderBase$Statistics]: existing Event has 51 ancestors and is cut-off event [2024-12-02 08:36:50,572 INFO L297 olderBase$Statistics]: existing Event has 51 ancestors and is cut-off event [2024-12-02 08:36:50,572 INFO L297 olderBase$Statistics]: existing Event has 51 ancestors and is cut-off event [2024-12-02 08:36:50,825 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([582] L61-->L65: Formula: (and (= v_~temp_5~0_47 v_~x_0~0_72) (not (= (ite (and (not (= (mod v_~f1_2~0_57 256) 0)) (not (= (mod v_~f2_3~0_55 256) 0))) 1 0) 0))) InVars {~f2_3~0=v_~f2_3~0_55, ~x_0~0=v_~x_0~0_72, ~f1_2~0=v_~f1_2~0_57} OutVars{thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1_1|, ~f1_2~0=v_~f1_2~0_57, ~f2_3~0=v_~f2_3~0_55, ~x_0~0=v_~x_0~0_72, ~temp_5~0=v_~temp_5~0_47, thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1, ~temp_5~0, thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1][206], [Black: 189#(and (= ~y_7~0 0) (<= ~x_0~0 0)), Black: 187#(and (= ~y_7~0 0) (<= ~temp_4~0 0) (<= ~x_0~0 0)), Black: 174#(<= ~x_0~0 0), 63#L116true, Black: 197#(and (<= ~temp_4~0 0) (<= ~x_0~0 0)), 81#L85true, 214#(and (= ~x_6~0 0) (= ~temp_10~0 0)), 156#(and (<= 0 ~x_0~0) (<= 0 ~temp_4~0)), Black: 208#(and (= ~x_6~0 0) (= ~y_7~0 0) (= ~temp_10~0 0)), 242#(= ~temp_11~0 0), Black: 205#(= ~x_6~0 0), 103#L98-3true, Black: 210#(and (= ~y_7~0 0) (= ~temp_10~0 0)), Black: 206#(= ~temp_10~0 0), 126#true, Black: 136#(<= 0 ~temp_4~0), Black: 146#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (= ~y_7~0 0)), Black: 132#(= ~y_7~0 0), Black: 154#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (<= 0 ~temp_4~0)), 248#true, Black: 138#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 148#(and (<= 0 ~x_0~0) (= ~y_7~0 0)), Black: 144#(and (= ~y_1~0 0) (= ~y_7~0 0)), 14#L77true, Black: 142#(and (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 150#(and (<= 0 ~x_0~0) (= ~y_7~0 0) (<= 0 ~temp_4~0)), 80#L143-4true, Black: 224#(= ~temp_5~0 0), Black: 230#(and (= ~y_1~0 0) (= ~y_7~0 0)), Black: 226#(and (= ~y_1~0 0) (= ~y_7~0 0) (= ~temp_5~0 0)), Black: 223#(= ~y_1~0 0), Black: 228#(and (= ~y_7~0 0) (= ~temp_5~0 0)), Black: 232#(and (= ~y_1~0 0) (= ~temp_5~0 0)), 10#thread2EXITtrue, Black: 241#(= ~y_7~0 0), Black: 244#(and (= ~y_7~0 0) (= ~temp_11~0 0)), 175#(<= ~temp_4~0 0), 89#L65true]) [2024-12-02 08:36:50,825 INFO L294 olderBase$Statistics]: this new event has 51 ancestors and is cut-off event [2024-12-02 08:36:50,825 INFO L297 olderBase$Statistics]: existing Event has 51 ancestors and is cut-off event [2024-12-02 08:36:50,825 INFO L297 olderBase$Statistics]: existing Event has 51 ancestors and is cut-off event [2024-12-02 08:36:50,825 INFO L297 olderBase$Statistics]: existing Event has 51 ancestors and is cut-off event [2024-12-02 08:36:51,298 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([582] L61-->L65: Formula: (and (= v_~temp_5~0_47 v_~x_0~0_72) (not (= (ite (and (not (= (mod v_~f1_2~0_57 256) 0)) (not (= (mod v_~f2_3~0_55 256) 0))) 1 0) 0))) InVars {~f2_3~0=v_~f2_3~0_55, ~x_0~0=v_~x_0~0_72, ~f1_2~0=v_~f1_2~0_57} OutVars{thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1_1|, ~f1_2~0=v_~f1_2~0_57, ~f2_3~0=v_~f2_3~0_55, ~x_0~0=v_~x_0~0_72, ~temp_5~0=v_~temp_5~0_47, thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1, ~temp_5~0, thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1][206], [Black: 189#(and (= ~y_7~0 0) (<= ~x_0~0 0)), Black: 187#(and (= ~y_7~0 0) (<= ~temp_4~0 0) (<= ~x_0~0 0)), Black: 174#(<= ~x_0~0 0), 63#L116true, Black: 197#(and (<= ~temp_4~0 0) (<= ~x_0~0 0)), 81#L85true, 214#(and (= ~x_6~0 0) (= ~temp_10~0 0)), 156#(and (<= 0 ~x_0~0) (<= 0 ~temp_4~0)), Black: 208#(and (= ~x_6~0 0) (= ~y_7~0 0) (= ~temp_10~0 0)), 242#(= ~temp_11~0 0), Black: 205#(= ~x_6~0 0), Black: 210#(and (= ~y_7~0 0) (= ~temp_10~0 0)), 103#L98-3true, Black: 206#(= ~temp_10~0 0), 126#true, Black: 136#(<= 0 ~temp_4~0), Black: 146#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (= ~y_7~0 0)), Black: 132#(= ~y_7~0 0), Black: 154#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (<= 0 ~temp_4~0)), 248#true, Black: 138#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 148#(and (<= 0 ~x_0~0) (= ~y_7~0 0)), Black: 144#(and (= ~y_1~0 0) (= ~y_7~0 0)), 14#L77true, Black: 142#(and (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 150#(and (<= 0 ~x_0~0) (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 224#(= ~temp_5~0 0), Black: 230#(and (= ~y_1~0 0) (= ~y_7~0 0)), Black: 226#(and (= ~y_1~0 0) (= ~y_7~0 0) (= ~temp_5~0 0)), Black: 223#(= ~y_1~0 0), Black: 228#(and (= ~y_7~0 0) (= ~temp_5~0 0)), Black: 232#(and (= ~y_1~0 0) (= ~temp_5~0 0)), 10#thread2EXITtrue, Black: 241#(= ~y_7~0 0), Black: 244#(and (= ~y_7~0 0) (= ~temp_11~0 0)), 175#(<= ~temp_4~0 0), 12#L144true, 89#L65true]) [2024-12-02 08:36:51,298 INFO L294 olderBase$Statistics]: this new event has 52 ancestors and is cut-off event [2024-12-02 08:36:51,298 INFO L297 olderBase$Statistics]: existing Event has 52 ancestors and is cut-off event [2024-12-02 08:36:51,298 INFO L297 olderBase$Statistics]: existing Event has 52 ancestors and is cut-off event [2024-12-02 08:36:51,298 INFO L297 olderBase$Statistics]: existing Event has 52 ancestors and is cut-off event [2024-12-02 08:36:52,200 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([582] L61-->L65: Formula: (and (= v_~temp_5~0_47 v_~x_0~0_72) (not (= (ite (and (not (= (mod v_~f1_2~0_57 256) 0)) (not (= (mod v_~f2_3~0_55 256) 0))) 1 0) 0))) InVars {~f2_3~0=v_~f2_3~0_55, ~x_0~0=v_~x_0~0_72, ~f1_2~0=v_~f1_2~0_57} OutVars{thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1_1|, ~f1_2~0=v_~f1_2~0_57, ~f2_3~0=v_~f2_3~0_55, ~x_0~0=v_~x_0~0_72, ~temp_5~0=v_~temp_5~0_47, thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1, ~temp_5~0, thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1][206], [Black: 189#(and (= ~y_7~0 0) (<= ~x_0~0 0)), Black: 187#(and (= ~y_7~0 0) (<= ~temp_4~0 0) (<= ~x_0~0 0)), Black: 174#(<= ~x_0~0 0), Black: 197#(and (<= ~temp_4~0 0) (<= ~x_0~0 0)), 81#L85true, 214#(and (= ~x_6~0 0) (= ~temp_10~0 0)), 156#(and (<= 0 ~x_0~0) (<= 0 ~temp_4~0)), Black: 208#(and (= ~x_6~0 0) (= ~y_7~0 0) (= ~temp_10~0 0)), 242#(= ~temp_11~0 0), Black: 205#(= ~x_6~0 0), 103#L98-3true, 46#L77-1true, Black: 210#(and (= ~y_7~0 0) (= ~temp_10~0 0)), Black: 206#(= ~temp_10~0 0), 126#true, Black: 136#(<= 0 ~temp_4~0), Black: 146#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (= ~y_7~0 0)), Black: 132#(= ~y_7~0 0), Black: 154#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (<= 0 ~temp_4~0)), 248#true, Black: 138#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 148#(and (<= 0 ~x_0~0) (= ~y_7~0 0)), Black: 144#(and (= ~y_1~0 0) (= ~y_7~0 0)), Black: 142#(and (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 150#(and (<= 0 ~x_0~0) (= ~y_7~0 0) (<= 0 ~temp_4~0)), 80#L143-4true, Black: 224#(= ~temp_5~0 0), Black: 230#(and (= ~y_1~0 0) (= ~y_7~0 0)), Black: 226#(and (= ~y_1~0 0) (= ~y_7~0 0) (= ~temp_5~0 0)), Black: 223#(= ~y_1~0 0), Black: 228#(and (= ~y_7~0 0) (= ~temp_5~0 0)), Black: 232#(and (= ~y_1~0 0) (= ~temp_5~0 0)), Black: 241#(= ~y_7~0 0), Black: 244#(and (= ~y_7~0 0) (= ~temp_11~0 0)), 175#(<= ~temp_4~0 0), 31#L115-4true, 89#L65true]) [2024-12-02 08:36:52,200 INFO L294 olderBase$Statistics]: this new event has 51 ancestors and is not cut-off event [2024-12-02 08:36:52,200 INFO L297 olderBase$Statistics]: existing Event has 51 ancestors and is not cut-off event [2024-12-02 08:36:52,200 INFO L297 olderBase$Statistics]: existing Event has 51 ancestors and is not cut-off event [2024-12-02 08:36:52,200 INFO L297 olderBase$Statistics]: existing Event has 51 ancestors and is not cut-off event [2024-12-02 08:36:52,705 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([582] L61-->L65: Formula: (and (= v_~temp_5~0_47 v_~x_0~0_72) (not (= (ite (and (not (= (mod v_~f1_2~0_57 256) 0)) (not (= (mod v_~f2_3~0_55 256) 0))) 1 0) 0))) InVars {~f2_3~0=v_~f2_3~0_55, ~x_0~0=v_~x_0~0_72, ~f1_2~0=v_~f1_2~0_57} OutVars{thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1_1|, ~f1_2~0=v_~f1_2~0_57, ~f2_3~0=v_~f2_3~0_55, ~x_0~0=v_~x_0~0_72, ~temp_5~0=v_~temp_5~0_47, thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1, ~temp_5~0, thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1][206], [Black: 189#(and (= ~y_7~0 0) (<= ~x_0~0 0)), Black: 187#(and (= ~y_7~0 0) (<= ~temp_4~0 0) (<= ~x_0~0 0)), Black: 174#(<= ~x_0~0 0), Black: 197#(and (<= ~temp_4~0 0) (<= ~x_0~0 0)), 81#L85true, 214#(and (= ~x_6~0 0) (= ~temp_10~0 0)), 156#(and (<= 0 ~x_0~0) (<= 0 ~temp_4~0)), Black: 208#(and (= ~x_6~0 0) (= ~y_7~0 0) (= ~temp_10~0 0)), Black: 205#(= ~x_6~0 0), 242#(= ~temp_11~0 0), 103#L98-3true, 46#L77-1true, Black: 210#(and (= ~y_7~0 0) (= ~temp_10~0 0)), Black: 206#(= ~temp_10~0 0), 126#true, Black: 136#(<= 0 ~temp_4~0), Black: 146#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (= ~y_7~0 0)), Black: 132#(= ~y_7~0 0), Black: 154#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (<= 0 ~temp_4~0)), 248#true, Black: 138#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 148#(and (<= 0 ~x_0~0) (= ~y_7~0 0)), Black: 144#(and (= ~y_1~0 0) (= ~y_7~0 0)), Black: 142#(and (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 150#(and (<= 0 ~x_0~0) (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 224#(= ~temp_5~0 0), Black: 230#(and (= ~y_1~0 0) (= ~y_7~0 0)), Black: 226#(and (= ~y_1~0 0) (= ~y_7~0 0) (= ~temp_5~0 0)), Black: 223#(= ~y_1~0 0), Black: 228#(and (= ~y_7~0 0) (= ~temp_5~0 0)), Black: 232#(and (= ~y_1~0 0) (= ~temp_5~0 0)), Black: 241#(= ~y_7~0 0), Black: 244#(and (= ~y_7~0 0) (= ~temp_11~0 0)), 175#(<= ~temp_4~0 0), 12#L144true, 31#L115-4true, 89#L65true]) [2024-12-02 08:36:52,705 INFO L294 olderBase$Statistics]: this new event has 52 ancestors and is not cut-off event [2024-12-02 08:36:52,706 INFO L297 olderBase$Statistics]: existing Event has 52 ancestors and is not cut-off event [2024-12-02 08:36:52,706 INFO L297 olderBase$Statistics]: existing Event has 52 ancestors and is not cut-off event [2024-12-02 08:36:52,706 INFO L297 olderBase$Statistics]: existing Event has 52 ancestors and is not cut-off event [2024-12-02 08:36:52,980 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([582] L61-->L65: Formula: (and (= v_~temp_5~0_47 v_~x_0~0_72) (not (= (ite (and (not (= (mod v_~f1_2~0_57 256) 0)) (not (= (mod v_~f2_3~0_55 256) 0))) 1 0) 0))) InVars {~f2_3~0=v_~f2_3~0_55, ~x_0~0=v_~x_0~0_72, ~f1_2~0=v_~f1_2~0_57} OutVars{thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1_1|, ~f1_2~0=v_~f1_2~0_57, ~f2_3~0=v_~f2_3~0_55, ~x_0~0=v_~x_0~0_72, ~temp_5~0=v_~temp_5~0_47, thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1, ~temp_5~0, thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1][206], [Black: 189#(and (= ~y_7~0 0) (<= ~x_0~0 0)), Black: 187#(and (= ~y_7~0 0) (<= ~temp_4~0 0) (<= ~x_0~0 0)), Black: 174#(<= ~x_0~0 0), 63#L116true, Black: 197#(and (<= ~temp_4~0 0) (<= ~x_0~0 0)), 81#L85true, 214#(and (= ~x_6~0 0) (= ~temp_10~0 0)), 156#(and (<= 0 ~x_0~0) (<= 0 ~temp_4~0)), Black: 208#(and (= ~x_6~0 0) (= ~y_7~0 0) (= ~temp_10~0 0)), 242#(= ~temp_11~0 0), Black: 205#(= ~x_6~0 0), 103#L98-3true, 46#L77-1true, Black: 210#(and (= ~y_7~0 0) (= ~temp_10~0 0)), Black: 206#(= ~temp_10~0 0), 126#true, Black: 136#(<= 0 ~temp_4~0), Black: 146#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (= ~y_7~0 0)), Black: 132#(= ~y_7~0 0), Black: 154#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (<= 0 ~temp_4~0)), 248#true, Black: 138#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 148#(and (<= 0 ~x_0~0) (= ~y_7~0 0)), Black: 144#(and (= ~y_1~0 0) (= ~y_7~0 0)), Black: 142#(and (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 150#(and (<= 0 ~x_0~0) (= ~y_7~0 0) (<= 0 ~temp_4~0)), 80#L143-4true, Black: 224#(= ~temp_5~0 0), Black: 230#(and (= ~y_1~0 0) (= ~y_7~0 0)), Black: 226#(and (= ~y_1~0 0) (= ~y_7~0 0) (= ~temp_5~0 0)), Black: 223#(= ~y_1~0 0), Black: 228#(and (= ~y_7~0 0) (= ~temp_5~0 0)), Black: 232#(and (= ~y_1~0 0) (= ~temp_5~0 0)), Black: 241#(= ~y_7~0 0), Black: 244#(and (= ~y_7~0 0) (= ~temp_11~0 0)), 175#(<= ~temp_4~0 0), 89#L65true]) [2024-12-02 08:36:52,980 INFO L294 olderBase$Statistics]: this new event has 52 ancestors and is not cut-off event [2024-12-02 08:36:52,980 INFO L297 olderBase$Statistics]: existing Event has 52 ancestors and is not cut-off event [2024-12-02 08:36:52,980 INFO L297 olderBase$Statistics]: existing Event has 52 ancestors and is not cut-off event [2024-12-02 08:36:52,980 INFO L297 olderBase$Statistics]: existing Event has 52 ancestors and is not cut-off event [2024-12-02 08:36:53,271 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([582] L61-->L65: Formula: (and (= v_~temp_5~0_47 v_~x_0~0_72) (not (= (ite (and (not (= (mod v_~f1_2~0_57 256) 0)) (not (= (mod v_~f2_3~0_55 256) 0))) 1 0) 0))) InVars {~f2_3~0=v_~f2_3~0_55, ~x_0~0=v_~x_0~0_72, ~f1_2~0=v_~f1_2~0_57} OutVars{thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1_1|, ~f1_2~0=v_~f1_2~0_57, ~f2_3~0=v_~f2_3~0_55, ~x_0~0=v_~x_0~0_72, ~temp_5~0=v_~temp_5~0_47, thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1, ~temp_5~0, thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1][206], [Black: 189#(and (= ~y_7~0 0) (<= ~x_0~0 0)), Black: 187#(and (= ~y_7~0 0) (<= ~temp_4~0 0) (<= ~x_0~0 0)), Black: 174#(<= ~x_0~0 0), 63#L116true, Black: 197#(and (<= ~temp_4~0 0) (<= ~x_0~0 0)), 81#L85true, 214#(and (= ~x_6~0 0) (= ~temp_10~0 0)), 156#(and (<= 0 ~x_0~0) (<= 0 ~temp_4~0)), Black: 208#(and (= ~x_6~0 0) (= ~y_7~0 0) (= ~temp_10~0 0)), Black: 205#(= ~x_6~0 0), 242#(= ~temp_11~0 0), 46#L77-1true, 103#L98-3true, Black: 210#(and (= ~y_7~0 0) (= ~temp_10~0 0)), Black: 206#(= ~temp_10~0 0), 126#true, Black: 136#(<= 0 ~temp_4~0), Black: 146#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (= ~y_7~0 0)), Black: 132#(= ~y_7~0 0), Black: 154#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (<= 0 ~temp_4~0)), 248#true, Black: 138#(and (= ~y_1~0 0) (<= 0 ~x_0~0) (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 148#(and (<= 0 ~x_0~0) (= ~y_7~0 0)), Black: 144#(and (= ~y_1~0 0) (= ~y_7~0 0)), Black: 142#(and (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 150#(and (<= 0 ~x_0~0) (= ~y_7~0 0) (<= 0 ~temp_4~0)), Black: 224#(= ~temp_5~0 0), Black: 230#(and (= ~y_1~0 0) (= ~y_7~0 0)), Black: 226#(and (= ~y_1~0 0) (= ~y_7~0 0) (= ~temp_5~0 0)), Black: 223#(= ~y_1~0 0), Black: 228#(and (= ~y_7~0 0) (= ~temp_5~0 0)), Black: 232#(and (= ~y_1~0 0) (= ~temp_5~0 0)), Black: 241#(= ~y_7~0 0), Black: 244#(and (= ~y_7~0 0) (= ~temp_11~0 0)), 175#(<= ~temp_4~0 0), 12#L144true, 89#L65true]) [2024-12-02 08:36:53,271 INFO L294 olderBase$Statistics]: this new event has 53 ancestors and is not cut-off event [2024-12-02 08:36:53,271 INFO L297 olderBase$Statistics]: existing Event has 53 ancestors and is not cut-off event [2024-12-02 08:36:53,272 INFO L297 olderBase$Statistics]: existing Event has 53 ancestors and is not cut-off event [2024-12-02 08:36:53,272 INFO L297 olderBase$Statistics]: existing Event has 53 ancestors and is not cut-off event [2024-12-02 08:37:02,750 INFO L124 PetriNetUnfolderBase]: 84394/140512 cut-off events. [2024-12-02 08:37:02,751 INFO L125 PetriNetUnfolderBase]: For 208448/211154 co-relation queries the response was YES. [2024-12-02 08:37:03,688 INFO L83 FinitePrefix]: Finished finitePrefix Result has 370458 conditions, 140512 events. 84394/140512 cut-off events. For 208448/211154 co-relation queries the response was YES. Maximal size of possible extension queue 4650. Compared 1372280 event pairs, 42701 based on Foata normal form. 1912/122422 useless extension candidates. Maximal degree in co-relation 362427. Up to 87795 conditions per place. [2024-12-02 08:37:04,189 INFO L140 encePairwiseOnDemand]: 111/116 looper letters, 89 selfloop transitions, 5 changer transitions 0/272 dead transitions. [2024-12-02 08:37:04,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 272 transitions, 2871 flow [2024-12-02 08:37:04,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:37:04,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 08:37:04,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 240 transitions. [2024-12-02 08:37:04,190 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6896551724137931 [2024-12-02 08:37:04,190 INFO L175 Difference]: Start difference. First operand has 173 places, 267 transitions, 2876 flow. Second operand 3 states and 240 transitions. [2024-12-02 08:37:04,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 272 transitions, 2871 flow [2024-12-02 08:37:10,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 272 transitions, 2805 flow, removed 6 selfloop flow, removed 5 redundant places. [2024-12-02 08:37:10,759 INFO L231 Difference]: Finished difference. Result has 169 places, 243 transitions, 2536 flow [2024-12-02 08:37:10,759 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=2517, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2536, PETRI_PLACES=169, PETRI_TRANSITIONS=243} [2024-12-02 08:37:10,760 INFO L279 CegarLoopForPetriNet]: 113 programPoint places, 56 predicate places. [2024-12-02 08:37:10,760 INFO L471 AbstractCegarLoop]: Abstraction has has 169 places, 243 transitions, 2536 flow [2024-12-02 08:37:10,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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) [2024-12-02 08:37:10,760 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:37:10,760 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:37:10,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 08:37:10,761 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread6Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-12-02 08:37:10,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:10,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1966696872, now seen corresponding path program 1 times [2024-12-02 08:37:10,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:10,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576377207] [2024-12-02 08:37:10,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:10,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:10,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:37:10,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:10,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576377207] [2024-12-02 08:37:10,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576377207] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:10,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:37:10,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:37:10,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036431275] [2024-12-02 08:37:10,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:10,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:37:10,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:10,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:37:10,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:37:10,818 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 116 [2024-12-02 08:37:10,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 243 transitions, 2536 flow. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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) [2024-12-02 08:37:10,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:37:10,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 116 [2024-12-02 08:37:10,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:37:24,267 INFO L124 PetriNetUnfolderBase]: 66994/115220 cut-off events. [2024-12-02 08:37:24,267 INFO L125 PetriNetUnfolderBase]: For 218077/220487 co-relation queries the response was YES. [2024-12-02 08:37:24,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 306441 conditions, 115220 events. 66994/115220 cut-off events. For 218077/220487 co-relation queries the response was YES. Maximal size of possible extension queue 3889. Compared 1148049 event pairs, 33891 based on Foata normal form. 2025/100862 useless extension candidates. Maximal degree in co-relation 301757. Up to 72071 conditions per place. [2024-12-02 08:37:25,448 INFO L140 encePairwiseOnDemand]: 111/116 looper letters, 94 selfloop transitions, 4 changer transitions 0/271 dead transitions. [2024-12-02 08:37:25,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 271 transitions, 2861 flow [2024-12-02 08:37:25,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:37:25,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 08:37:25,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 239 transitions. [2024-12-02 08:37:25,450 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6867816091954023 [2024-12-02 08:37:25,450 INFO L175 Difference]: Start difference. First operand has 169 places, 243 transitions, 2536 flow. Second operand 3 states and 239 transitions. [2024-12-02 08:37:25,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 271 transitions, 2861 flow [2024-12-02 08:37:31,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 271 transitions, 2771 flow, removed 2 selfloop flow, removed 6 redundant places. [2024-12-02 08:37:31,271 INFO L231 Difference]: Finished difference. Result has 164 places, 237 transitions, 2427 flow [2024-12-02 08:37:31,271 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=2413, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2427, PETRI_PLACES=164, PETRI_TRANSITIONS=237} [2024-12-02 08:37:31,272 INFO L279 CegarLoopForPetriNet]: 113 programPoint places, 51 predicate places. [2024-12-02 08:37:31,272 INFO L471 AbstractCegarLoop]: Abstraction has has 164 places, 237 transitions, 2427 flow [2024-12-02 08:37:31,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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) [2024-12-02 08:37:31,272 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:37:31,272 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:37:31,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 08:37:31,272 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-12-02 08:37:31,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:31,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1947975272, now seen corresponding path program 1 times [2024-12-02 08:37:31,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:31,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272063402] [2024-12-02 08:37:31,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:31,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:31,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:37:31,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:31,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272063402] [2024-12-02 08:37:31,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272063402] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:31,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:37:31,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:37:31,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096515976] [2024-12-02 08:37:31,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:31,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:37:31,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:31,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:37:31,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:37:31,321 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 116 [2024-12-02 08:37:31,321 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 237 transitions, 2427 flow. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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) [2024-12-02 08:37:31,321 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:37:31,321 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 116 [2024-12-02 08:37:31,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:37:37,249 INFO L124 PetriNetUnfolderBase]: 35931/61500 cut-off events. [2024-12-02 08:37:37,249 INFO L125 PetriNetUnfolderBase]: For 114980/116086 co-relation queries the response was YES. [2024-12-02 08:37:37,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161746 conditions, 61500 events. 35931/61500 cut-off events. For 114980/116086 co-relation queries the response was YES. Maximal size of possible extension queue 1713. Compared 555751 event pairs, 16669 based on Foata normal form. 1578/54064 useless extension candidates. Maximal degree in co-relation 147694. Up to 31489 conditions per place. [2024-12-02 08:37:37,668 INFO L140 encePairwiseOnDemand]: 111/116 looper letters, 82 selfloop transitions, 5 changer transitions 0/252 dead transitions. [2024-12-02 08:37:37,668 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 252 transitions, 2603 flow [2024-12-02 08:37:37,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:37:37,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 08:37:37,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 238 transitions. [2024-12-02 08:37:37,669 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6839080459770115 [2024-12-02 08:37:37,669 INFO L175 Difference]: Start difference. First operand has 164 places, 237 transitions, 2427 flow. Second operand 3 states and 238 transitions. [2024-12-02 08:37:37,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 252 transitions, 2603 flow [2024-12-02 08:37:38,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 252 transitions, 2362 flow, removed 5 selfloop flow, removed 11 redundant places. [2024-12-02 08:37:38,939 INFO L231 Difference]: Finished difference. Result has 154 places, 226 transitions, 2115 flow [2024-12-02 08:37:38,940 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=2096, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2115, PETRI_PLACES=154, PETRI_TRANSITIONS=226} [2024-12-02 08:37:38,940 INFO L279 CegarLoopForPetriNet]: 113 programPoint places, 41 predicate places. [2024-12-02 08:37:38,940 INFO L471 AbstractCegarLoop]: Abstraction has has 154 places, 226 transitions, 2115 flow [2024-12-02 08:37:38,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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) [2024-12-02 08:37:38,940 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:37:38,940 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:37:38,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 08:37:38,940 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-12-02 08:37:38,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:38,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1614640671, now seen corresponding path program 1 times [2024-12-02 08:37:38,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:38,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284591667] [2024-12-02 08:37:38,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:38,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:39,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:37:39,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:39,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284591667] [2024-12-02 08:37:39,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284591667] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:39,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:37:39,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:37:39,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077303634] [2024-12-02 08:37:39,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:39,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 08:37:39,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:39,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 08:37:39,060 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:37:39,151 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 116 [2024-12-02 08:37:39,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 226 transitions, 2115 flow. Second operand has 7 states, 7 states have (on average 47.857142857142854) internal successors, (335), 7 states have internal predecessors, (335), 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) [2024-12-02 08:37:39,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:37:39,152 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 116 [2024-12-02 08:37:39,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:37:47,155 INFO L124 PetriNetUnfolderBase]: 62712/95963 cut-off events. [2024-12-02 08:37:47,155 INFO L125 PetriNetUnfolderBase]: For 234806/235454 co-relation queries the response was YES. [2024-12-02 08:37:47,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 269111 conditions, 95963 events. 62712/95963 cut-off events. For 234806/235454 co-relation queries the response was YES. Maximal size of possible extension queue 2941. Compared 776285 event pairs, 6705 based on Foata normal form. 2568/92178 useless extension candidates. Maximal degree in co-relation 264731. Up to 37335 conditions per place. [2024-12-02 08:37:47,873 INFO L140 encePairwiseOnDemand]: 105/116 looper letters, 249 selfloop transitions, 112 changer transitions 0/405 dead transitions. [2024-12-02 08:37:47,873 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 405 transitions, 3329 flow [2024-12-02 08:37:47,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 08:37:47,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-12-02 08:37:47,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 993 transitions. [2024-12-02 08:37:47,877 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5350215517241379 [2024-12-02 08:37:47,877 INFO L175 Difference]: Start difference. First operand has 154 places, 226 transitions, 2115 flow. Second operand 16 states and 993 transitions. [2024-12-02 08:37:47,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 405 transitions, 3329 flow [2024-12-02 08:37:50,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 405 transitions, 3285 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-12-02 08:37:50,786 INFO L231 Difference]: Finished difference. Result has 165 places, 213 transitions, 2077 flow [2024-12-02 08:37:50,786 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=1825, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=2077, PETRI_PLACES=165, PETRI_TRANSITIONS=213} [2024-12-02 08:37:50,787 INFO L279 CegarLoopForPetriNet]: 113 programPoint places, 52 predicate places. [2024-12-02 08:37:50,787 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 213 transitions, 2077 flow [2024-12-02 08:37:50,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 47.857142857142854) internal successors, (335), 7 states have internal predecessors, (335), 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) [2024-12-02 08:37:50,787 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:37:50,787 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:37:50,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 08:37:50,787 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-12-02 08:37:50,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:50,788 INFO L85 PathProgramCache]: Analyzing trace with hash 850602817, now seen corresponding path program 1 times [2024-12-02 08:37:50,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:50,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375649875] [2024-12-02 08:37:50,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:50,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:50,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:37:50,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:50,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375649875] [2024-12-02 08:37:50,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375649875] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:50,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:37:50,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 08:37:50,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843955335] [2024-12-02 08:37:50,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:50,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 08:37:50,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:50,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 08:37:50,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-12-02 08:37:51,067 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 116 [2024-12-02 08:37:51,068 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 213 transitions, 2077 flow. Second operand has 10 states, 10 states have (on average 44.2) internal successors, (442), 10 states have internal predecessors, (442), 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) [2024-12-02 08:37:51,068 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:37:51,068 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 116 [2024-12-02 08:37:51,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:38:08,142 INFO L124 PetriNetUnfolderBase]: 119265/179230 cut-off events. [2024-12-02 08:38:08,142 INFO L125 PetriNetUnfolderBase]: For 456793/457377 co-relation queries the response was YES. [2024-12-02 08:38:08,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 515418 conditions, 179230 events. 119265/179230 cut-off events. For 456793/457377 co-relation queries the response was YES. Maximal size of possible extension queue 6078. Compared 1539084 event pairs, 10875 based on Foata normal form. 2342/170276 useless extension candidates. Maximal degree in co-relation 511962. Up to 46868 conditions per place. [2024-12-02 08:38:09,556 INFO L140 encePairwiseOnDemand]: 102/116 looper letters, 444 selfloop transitions, 200 changer transitions 0/679 dead transitions. [2024-12-02 08:38:09,556 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 679 transitions, 6244 flow [2024-12-02 08:38:09,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 08:38:09,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-12-02 08:38:09,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1390 transitions. [2024-12-02 08:38:09,562 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5446708463949843 [2024-12-02 08:38:09,562 INFO L175 Difference]: Start difference. First operand has 165 places, 213 transitions, 2077 flow. Second operand 22 states and 1390 transitions. [2024-12-02 08:38:09,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 679 transitions, 6244 flow [2024-12-02 08:38:23,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 679 transitions, 5807 flow, removed 12 selfloop flow, removed 11 redundant places. [2024-12-02 08:38:23,508 INFO L231 Difference]: Finished difference. Result has 181 places, 307 transitions, 3711 flow [2024-12-02 08:38:23,509 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=1850, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=110, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=3711, PETRI_PLACES=181, PETRI_TRANSITIONS=307} [2024-12-02 08:38:23,509 INFO L279 CegarLoopForPetriNet]: 113 programPoint places, 68 predicate places. [2024-12-02 08:38:23,509 INFO L471 AbstractCegarLoop]: Abstraction has has 181 places, 307 transitions, 3711 flow [2024-12-02 08:38:23,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 44.2) internal successors, (442), 10 states have internal predecessors, (442), 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) [2024-12-02 08:38:23,510 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:38:23,510 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:38:23,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 08:38:23,510 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-12-02 08:38:23,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:38:23,511 INFO L85 PathProgramCache]: Analyzing trace with hash 182182913, now seen corresponding path program 2 times [2024-12-02 08:38:23,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:38:23,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617452602] [2024-12-02 08:38:23,511 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 08:38:23,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:38:23,527 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 08:38:23,527 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 08:38:23,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:38:23,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:38:23,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617452602] [2024-12-02 08:38:23,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617452602] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:38:23,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:38:23,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 08:38:23,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639661539] [2024-12-02 08:38:23,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:38:23,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 08:38:23,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:38:23,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 08:38:23,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 08:38:23,808 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 116 [2024-12-02 08:38:23,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 307 transitions, 3711 flow. Second operand has 10 states, 10 states have (on average 44.2) internal successors, (442), 10 states have internal predecessors, (442), 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) [2024-12-02 08:38:23,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:38:23,808 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 116 [2024-12-02 08:38:23,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:38:40,990 INFO L124 PetriNetUnfolderBase]: 110647/166554 cut-off events. [2024-12-02 08:38:40,990 INFO L125 PetriNetUnfolderBase]: For 444774/445472 co-relation queries the response was YES. [2024-12-02 08:38:41,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 496622 conditions, 166554 events. 110647/166554 cut-off events. For 444774/445472 co-relation queries the response was YES. Maximal size of possible extension queue 5608. Compared 1419568 event pairs, 9669 based on Foata normal form. 2594/158856 useless extension candidates. Maximal degree in co-relation 493368. Up to 50698 conditions per place. [2024-12-02 08:38:42,492 INFO L140 encePairwiseOnDemand]: 100/116 looper letters, 462 selfloop transitions, 233 changer transitions 0/730 dead transitions. [2024-12-02 08:38:42,492 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 730 transitions, 6756 flow [2024-12-02 08:38:42,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-02 08:38:42,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2024-12-02 08:38:42,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 1820 transitions. [2024-12-02 08:38:42,501 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5061179087875417 [2024-12-02 08:38:42,501 INFO L175 Difference]: Start difference. First operand has 181 places, 307 transitions, 3711 flow. Second operand 31 states and 1820 transitions. [2024-12-02 08:38:42,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 730 transitions, 6756 flow [2024-12-02 08:39:06,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 730 transitions, 6537 flow, removed 0 selfloop flow, removed 12 redundant places. [2024-12-02 08:39:06,301 INFO L231 Difference]: Finished difference. Result has 198 places, 320 transitions, 4045 flow [2024-12-02 08:39:06,302 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=3499, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=219, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=4045, PETRI_PLACES=198, PETRI_TRANSITIONS=320} [2024-12-02 08:39:06,302 INFO L279 CegarLoopForPetriNet]: 113 programPoint places, 85 predicate places. [2024-12-02 08:39:06,302 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 320 transitions, 4045 flow [2024-12-02 08:39:06,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 44.2) internal successors, (442), 10 states have internal predecessors, (442), 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) [2024-12-02 08:39:06,303 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:39:06,303 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:39:06,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 08:39:06,303 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread5Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-12-02 08:39:06,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:39:06,304 INFO L85 PathProgramCache]: Analyzing trace with hash -517227145, now seen corresponding path program 1 times [2024-12-02 08:39:06,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:39:06,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987928756] [2024-12-02 08:39:06,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:39:06,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:39:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:39:06,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:39:06,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:39:06,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987928756] [2024-12-02 08:39:06,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987928756] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:39:06,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:39:06,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:39:06,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660917597] [2024-12-02 08:39:06,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:39:06,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:39:06,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:39:06,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:39:06,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:39:06,350 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 116 [2024-12-02 08:39:06,351 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 320 transitions, 4045 flow. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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) [2024-12-02 08:39:06,351 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:39:06,351 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 116 [2024-12-02 08:39:06,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:39:11,072 INFO L124 PetriNetUnfolderBase]: 30771/52408 cut-off events. [2024-12-02 08:39:11,073 INFO L125 PetriNetUnfolderBase]: For 118646/119050 co-relation queries the response was YES. [2024-12-02 08:39:11,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 148473 conditions, 52408 events. 30771/52408 cut-off events. For 118646/119050 co-relation queries the response was YES. Maximal size of possible extension queue 1499. Compared 460166 event pairs, 13936 based on Foata normal form. 694/46962 useless extension candidates. Maximal degree in co-relation 145115. Up to 27623 conditions per place. [2024-12-02 08:39:11,438 INFO L140 encePairwiseOnDemand]: 111/116 looper letters, 131 selfloop transitions, 4 changer transitions 0/299 dead transitions. [2024-12-02 08:39:11,438 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 299 transitions, 3364 flow [2024-12-02 08:39:11,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:39:11,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 08:39:11,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 237 transitions. [2024-12-02 08:39:11,439 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6810344827586207 [2024-12-02 08:39:11,439 INFO L175 Difference]: Start difference. First operand has 198 places, 320 transitions, 4045 flow. Second operand 3 states and 237 transitions. [2024-12-02 08:39:11,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 299 transitions, 3364 flow [2024-12-02 08:39:12,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 299 transitions, 2473 flow, removed 17 selfloop flow, removed 34 redundant places. [2024-12-02 08:39:12,707 INFO L231 Difference]: Finished difference. Result has 165 places, 246 transitions, 1901 flow [2024-12-02 08:39:12,707 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=1887, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1901, PETRI_PLACES=165, PETRI_TRANSITIONS=246} [2024-12-02 08:39:12,707 INFO L279 CegarLoopForPetriNet]: 113 programPoint places, 52 predicate places. [2024-12-02 08:39:12,707 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 246 transitions, 1901 flow [2024-12-02 08:39:12,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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) [2024-12-02 08:39:12,707 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:39:12,707 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:39:12,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 08:39:12,708 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-12-02 08:39:12,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:39:12,708 INFO L85 PathProgramCache]: Analyzing trace with hash 756844021, now seen corresponding path program 1 times [2024-12-02 08:39:12,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:39:12,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844773731] [2024-12-02 08:39:12,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:39:12,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:39:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:39:12,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:39:12,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:39:12,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844773731] [2024-12-02 08:39:12,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844773731] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:39:12,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:39:12,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:39:12,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680272759] [2024-12-02 08:39:12,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:39:12,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 08:39:12,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:39:12,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 08:39:12,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:39:12,868 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 116 [2024-12-02 08:39:12,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 246 transitions, 1901 flow. Second operand has 7 states, 7 states have (on average 47.857142857142854) internal successors, (335), 7 states have internal predecessors, (335), 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) [2024-12-02 08:39:12,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:39:12,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 116 [2024-12-02 08:39:12,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:39:17,374 INFO L124 PetriNetUnfolderBase]: 39100/63327 cut-off events. [2024-12-02 08:39:17,374 INFO L125 PetriNetUnfolderBase]: For 83267/83643 co-relation queries the response was YES. [2024-12-02 08:39:17,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 162932 conditions, 63327 events. 39100/63327 cut-off events. For 83267/83643 co-relation queries the response was YES. Maximal size of possible extension queue 1734. Compared 516136 event pairs, 4441 based on Foata normal form. 2292/58589 useless extension candidates. Maximal degree in co-relation 159652. Up to 14478 conditions per place. [2024-12-02 08:39:17,794 INFO L140 encePairwiseOnDemand]: 105/116 looper letters, 259 selfloop transitions, 148 changer transitions 0/451 dead transitions. [2024-12-02 08:39:17,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 451 transitions, 3345 flow [2024-12-02 08:39:17,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-02 08:39:17,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-12-02 08:39:17,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1187 transitions. [2024-12-02 08:39:17,796 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5116379310344827 [2024-12-02 08:39:17,797 INFO L175 Difference]: Start difference. First operand has 165 places, 246 transitions, 1901 flow. Second operand 20 states and 1187 transitions. [2024-12-02 08:39:17,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 451 transitions, 3345 flow [2024-12-02 08:39:18,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 451 transitions, 3092 flow, removed 0 selfloop flow, removed 11 redundant places. [2024-12-02 08:39:18,516 INFO L231 Difference]: Finished difference. Result has 172 places, 243 transitions, 1947 flow [2024-12-02 08:39:18,516 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=1333, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=1947, PETRI_PLACES=172, PETRI_TRANSITIONS=243} [2024-12-02 08:39:18,516 INFO L279 CegarLoopForPetriNet]: 113 programPoint places, 59 predicate places. [2024-12-02 08:39:18,516 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 243 transitions, 1947 flow [2024-12-02 08:39:18,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 47.857142857142854) internal successors, (335), 7 states have internal predecessors, (335), 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) [2024-12-02 08:39:18,517 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:39:18,517 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:39:18,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 08:39:18,517 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-12-02 08:39:18,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:39:18,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1485732247, now seen corresponding path program 1 times [2024-12-02 08:39:18,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:39:18,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126840446] [2024-12-02 08:39:18,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:39:18,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:39:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:39:18,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:39:18,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:39:18,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126840446] [2024-12-02 08:39:18,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126840446] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:39:18,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:39:18,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 08:39:18,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622155775] [2024-12-02 08:39:18,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:39:18,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 08:39:18,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:39:18,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 08:39:18,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-12-02 08:39:18,809 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 116 [2024-12-02 08:39:18,810 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 243 transitions, 1947 flow. Second operand has 10 states, 10 states have (on average 44.2) internal successors, (442), 10 states have internal predecessors, (442), 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) [2024-12-02 08:39:18,810 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:39:18,810 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 116 [2024-12-02 08:39:18,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:39:25,042 INFO L124 PetriNetUnfolderBase]: 52524/83438 cut-off events. [2024-12-02 08:39:25,043 INFO L125 PetriNetUnfolderBase]: For 99428/99968 co-relation queries the response was YES. [2024-12-02 08:39:25,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 217052 conditions, 83438 events. 52524/83438 cut-off events. For 99428/99968 co-relation queries the response was YES. Maximal size of possible extension queue 2434. Compared 685647 event pairs, 5179 based on Foata normal form. 2220/76902 useless extension candidates. Maximal degree in co-relation 213719. Up to 15247 conditions per place. [2024-12-02 08:39:25,690 INFO L140 encePairwiseOnDemand]: 101/116 looper letters, 375 selfloop transitions, 193 changer transitions 18/619 dead transitions. [2024-12-02 08:39:25,690 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 619 transitions, 4651 flow [2024-12-02 08:39:25,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-02 08:39:25,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2024-12-02 08:39:25,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 1572 transitions. [2024-12-02 08:39:25,693 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5019157088122606 [2024-12-02 08:39:25,693 INFO L175 Difference]: Start difference. First operand has 172 places, 243 transitions, 1947 flow. Second operand 27 states and 1572 transitions. [2024-12-02 08:39:25,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 619 transitions, 4651 flow [2024-12-02 08:39:26,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 619 transitions, 4243 flow, removed 5 selfloop flow, removed 14 redundant places. [2024-12-02 08:39:26,417 INFO L231 Difference]: Finished difference. Result has 190 places, 286 transitions, 2642 flow [2024-12-02 08:39:26,418 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=1658, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=2642, PETRI_PLACES=190, PETRI_TRANSITIONS=286} [2024-12-02 08:39:26,418 INFO L279 CegarLoopForPetriNet]: 113 programPoint places, 77 predicate places. [2024-12-02 08:39:26,418 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 286 transitions, 2642 flow [2024-12-02 08:39:26,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 44.2) internal successors, (442), 10 states have internal predecessors, (442), 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) [2024-12-02 08:39:26,419 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:39:26,419 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:39:26,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 08:39:26,419 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-12-02 08:39:26,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:39:26,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1119493255, now seen corresponding path program 2 times [2024-12-02 08:39:26,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:39:26,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548123916] [2024-12-02 08:39:26,420 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 08:39:26,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:39:26,433 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 08:39:26,433 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 08:39:26,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:39:26,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:39:26,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548123916] [2024-12-02 08:39:26,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548123916] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:39:26,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:39:26,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 08:39:26,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065310324] [2024-12-02 08:39:26,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:39:26,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 08:39:26,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:39:26,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 08:39:26,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-12-02 08:39:26,750 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 116 [2024-12-02 08:39:26,751 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 286 transitions, 2642 flow. Second operand has 10 states, 10 states have (on average 44.2) internal successors, (442), 10 states have internal predecessors, (442), 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) [2024-12-02 08:39:26,751 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:39:26,751 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 116 [2024-12-02 08:39:26,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:39:33,029 INFO L124 PetriNetUnfolderBase]: 49329/78659 cut-off events. [2024-12-02 08:39:33,029 INFO L125 PetriNetUnfolderBase]: For 111202/111760 co-relation queries the response was YES. [2024-12-02 08:39:33,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214669 conditions, 78659 events. 49329/78659 cut-off events. For 111202/111760 co-relation queries the response was YES. Maximal size of possible extension queue 2248. Compared 643008 event pairs, 4297 based on Foata normal form. 1236/71631 useless extension candidates. Maximal degree in co-relation 211391. Up to 16038 conditions per place. [2024-12-02 08:39:33,418 INFO L140 encePairwiseOnDemand]: 102/116 looper letters, 359 selfloop transitions, 174 changer transitions 39/605 dead transitions. [2024-12-02 08:39:33,418 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 605 transitions, 4623 flow [2024-12-02 08:39:33,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-02 08:39:33,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-12-02 08:39:33,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 1692 transitions. [2024-12-02 08:39:33,420 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4862068965517241 [2024-12-02 08:39:33,420 INFO L175 Difference]: Start difference. First operand has 190 places, 286 transitions, 2642 flow. Second operand 30 states and 1692 transitions. [2024-12-02 08:39:33,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 605 transitions, 4623 flow [2024-12-02 08:39:34,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 605 transitions, 4506 flow, removed 0 selfloop flow, removed 17 redundant places. [2024-12-02 08:39:34,260 INFO L231 Difference]: Finished difference. Result has 199 places, 272 transitions, 2733 flow [2024-12-02 08:39:34,260 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=2393, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=174, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=2733, PETRI_PLACES=199, PETRI_TRANSITIONS=272} [2024-12-02 08:39:34,260 INFO L279 CegarLoopForPetriNet]: 113 programPoint places, 86 predicate places. [2024-12-02 08:39:34,260 INFO L471 AbstractCegarLoop]: Abstraction has has 199 places, 272 transitions, 2733 flow [2024-12-02 08:39:34,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 44.2) internal successors, (442), 10 states have internal predecessors, (442), 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) [2024-12-02 08:39:34,261 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:39:34,261 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:39:34,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 08:39:34,261 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread6Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-12-02 08:39:34,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:39:34,261 INFO L85 PathProgramCache]: Analyzing trace with hash 646630164, now seen corresponding path program 1 times [2024-12-02 08:39:34,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:39:34,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517996065] [2024-12-02 08:39:34,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:39:34,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:39:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:39:34,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:39:34,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:39:34,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517996065] [2024-12-02 08:39:34,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517996065] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:39:34,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:39:34,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:39:34,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204353601] [2024-12-02 08:39:34,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:39:34,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 08:39:34,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:39:34,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 08:39:34,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:39:34,420 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 116 [2024-12-02 08:39:34,420 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 272 transitions, 2733 flow. Second operand has 7 states, 7 states have (on average 48.285714285714285) internal successors, (338), 7 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:39:34,420 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:39:34,420 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 116 [2024-12-02 08:39:34,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:39:45,002 INFO L124 PetriNetUnfolderBase]: 84089/119739 cut-off events. [2024-12-02 08:39:45,002 INFO L125 PetriNetUnfolderBase]: For 207564/211562 co-relation queries the response was YES. [2024-12-02 08:39:45,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 328696 conditions, 119739 events. 84089/119739 cut-off events. For 207564/211562 co-relation queries the response was YES. Maximal size of possible extension queue 2690. Compared 857172 event pairs, 9099 based on Foata normal form. 4777/117723 useless extension candidates. Maximal degree in co-relation 324428. Up to 61528 conditions per place. [2024-12-02 08:39:45,693 INFO L140 encePairwiseOnDemand]: 106/116 looper letters, 407 selfloop transitions, 135 changer transitions 0/597 dead transitions. [2024-12-02 08:39:45,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 597 transitions, 5999 flow [2024-12-02 08:39:45,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 08:39:45,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 08:39:45,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 829 transitions. [2024-12-02 08:39:45,696 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5497347480106101 [2024-12-02 08:39:45,696 INFO L175 Difference]: Start difference. First operand has 199 places, 272 transitions, 2733 flow. Second operand 13 states and 829 transitions. [2024-12-02 08:39:45,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 597 transitions, 5999 flow [2024-12-02 08:39:47,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 597 transitions, 5461 flow, removed 0 selfloop flow, removed 28 redundant places. [2024-12-02 08:39:47,940 INFO L231 Difference]: Finished difference. Result has 180 places, 273 transitions, 2659 flow [2024-12-02 08:39:47,940 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=2380, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2659, PETRI_PLACES=180, PETRI_TRANSITIONS=273} [2024-12-02 08:39:47,940 INFO L279 CegarLoopForPetriNet]: 113 programPoint places, 67 predicate places. [2024-12-02 08:39:47,940 INFO L471 AbstractCegarLoop]: Abstraction has has 180 places, 273 transitions, 2659 flow [2024-12-02 08:39:47,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.285714285714285) internal successors, (338), 7 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:39:47,941 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:39:47,941 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:39:47,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 08:39:47,941 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread5Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-12-02 08:39:47,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:39:47,941 INFO L85 PathProgramCache]: Analyzing trace with hash -2001543102, now seen corresponding path program 1 times [2024-12-02 08:39:47,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:39:47,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520386269] [2024-12-02 08:39:47,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:39:47,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:39:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:39:47,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:39:47,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:39:47,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520386269] [2024-12-02 08:39:47,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520386269] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:39:47,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:39:47,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:39:47,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193835721] [2024-12-02 08:39:47,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:39:47,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:39:47,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:39:47,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:39:47,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:39:48,044 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 116 [2024-12-02 08:39:48,044 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 273 transitions, 2659 flow. Second operand has 6 states, 6 states have (on average 51.5) internal successors, (309), 6 states have internal predecessors, (309), 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) [2024-12-02 08:39:48,044 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:39:48,044 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 116 [2024-12-02 08:39:48,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:39:55,211 INFO L124 PetriNetUnfolderBase]: 56726/90700 cut-off events. [2024-12-02 08:39:55,211 INFO L125 PetriNetUnfolderBase]: For 149881/150435 co-relation queries the response was YES. [2024-12-02 08:39:55,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 245284 conditions, 90700 events. 56726/90700 cut-off events. For 149881/150435 co-relation queries the response was YES. Maximal size of possible extension queue 2223. Compared 754342 event pairs, 4035 based on Foata normal form. 2738/89626 useless extension candidates. Maximal degree in co-relation 241724. Up to 37839 conditions per place. [2024-12-02 08:39:55,715 INFO L140 encePairwiseOnDemand]: 109/116 looper letters, 253 selfloop transitions, 130 changer transitions 0/442 dead transitions. [2024-12-02 08:39:55,715 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 442 transitions, 4443 flow [2024-12-02 08:39:55,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 08:39:55,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-12-02 08:39:55,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 539 transitions. [2024-12-02 08:39:55,716 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5808189655172413 [2024-12-02 08:39:55,717 INFO L175 Difference]: Start difference. First operand has 180 places, 273 transitions, 2659 flow. Second operand 8 states and 539 transitions. [2024-12-02 08:39:55,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 442 transitions, 4443 flow [2024-12-02 08:39:56,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 442 transitions, 4171 flow, removed 2 selfloop flow, removed 9 redundant places. [2024-12-02 08:39:56,656 INFO L231 Difference]: Finished difference. Result has 177 places, 272 transitions, 2647 flow [2024-12-02 08:39:56,656 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=2387, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2647, PETRI_PLACES=177, PETRI_TRANSITIONS=272} [2024-12-02 08:39:56,657 INFO L279 CegarLoopForPetriNet]: 113 programPoint places, 64 predicate places. [2024-12-02 08:39:56,657 INFO L471 AbstractCegarLoop]: Abstraction has has 177 places, 272 transitions, 2647 flow [2024-12-02 08:39:56,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 51.5) internal successors, (309), 6 states have internal predecessors, (309), 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) [2024-12-02 08:39:56,657 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:39:56,657 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:39:56,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 08:39:56,657 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread5Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-12-02 08:39:56,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:39:56,658 INFO L85 PathProgramCache]: Analyzing trace with hash -977061064, now seen corresponding path program 1 times [2024-12-02 08:39:56,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:39:56,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832253884] [2024-12-02 08:39:56,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:39:56,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:39:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:39:56,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:39:56,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:39:56,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832253884] [2024-12-02 08:39:56,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832253884] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:39:56,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:39:56,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:39:56,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096814727] [2024-12-02 08:39:56,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:39:56,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:39:56,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:39:56,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:39:56,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:39:56,750 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 116 [2024-12-02 08:39:56,751 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 272 transitions, 2647 flow. Second operand has 6 states, 6 states have (on average 51.5) internal successors, (309), 6 states have internal predecessors, (309), 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) [2024-12-02 08:39:56,751 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:39:56,751 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 116 [2024-12-02 08:39:56,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:40:03,120 INFO L124 PetriNetUnfolderBase]: 49132/76003 cut-off events. [2024-12-02 08:40:03,120 INFO L125 PetriNetUnfolderBase]: For 132098/132748 co-relation queries the response was YES. [2024-12-02 08:40:03,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214134 conditions, 76003 events. 49132/76003 cut-off events. For 132098/132748 co-relation queries the response was YES. Maximal size of possible extension queue 1850. Compared 596236 event pairs, 4035 based on Foata normal form. 2738/75185 useless extension candidates. Maximal degree in co-relation 210772. Up to 21225 conditions per place. [2024-12-02 08:40:03,720 INFO L140 encePairwiseOnDemand]: 108/116 looper letters, 325 selfloop transitions, 133 changer transitions 0/517 dead transitions. [2024-12-02 08:40:03,720 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 517 transitions, 5067 flow [2024-12-02 08:40:03,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 08:40:03,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-12-02 08:40:03,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 722 transitions. [2024-12-02 08:40:03,722 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5658307210031348 [2024-12-02 08:40:03,722 INFO L175 Difference]: Start difference. First operand has 177 places, 272 transitions, 2647 flow. Second operand 11 states and 722 transitions. [2024-12-02 08:40:03,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 517 transitions, 5067 flow [2024-12-02 08:40:04,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 517 transitions, 4808 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-12-02 08:40:04,529 INFO L231 Difference]: Finished difference. Result has 180 places, 273 transitions, 2664 flow [2024-12-02 08:40:04,529 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=2387, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2664, PETRI_PLACES=180, PETRI_TRANSITIONS=273} [2024-12-02 08:40:04,530 INFO L279 CegarLoopForPetriNet]: 113 programPoint places, 67 predicate places. [2024-12-02 08:40:04,530 INFO L471 AbstractCegarLoop]: Abstraction has has 180 places, 273 transitions, 2664 flow [2024-12-02 08:40:04,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 51.5) internal successors, (309), 6 states have internal predecessors, (309), 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) [2024-12-02 08:40:04,530 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:40:04,530 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:40:04,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 08:40:04,530 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread6Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-12-02 08:40:04,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:40:04,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1429300744, now seen corresponding path program 1 times [2024-12-02 08:40:04,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:40:04,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511802855] [2024-12-02 08:40:04,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:40:04,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:40:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:40:04,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:40:04,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:40:04,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511802855] [2024-12-02 08:40:04,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511802855] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:40:04,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:40:04,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:40:04,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40482086] [2024-12-02 08:40:04,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:40:04,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 08:40:04,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:40:04,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 08:40:04,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:40:04,677 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 116 [2024-12-02 08:40:04,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 273 transitions, 2664 flow. Second operand has 7 states, 7 states have (on average 48.285714285714285) internal successors, (338), 7 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:40:04,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:40:04,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 116 [2024-12-02 08:40:04,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:40:10,834 INFO L124 PetriNetUnfolderBase]: 54292/81445 cut-off events. [2024-12-02 08:40:10,834 INFO L125 PetriNetUnfolderBase]: For 148441/149245 co-relation queries the response was YES. [2024-12-02 08:40:11,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 238219 conditions, 81445 events. 54292/81445 cut-off events. For 148441/149245 co-relation queries the response was YES. Maximal size of possible extension queue 2194. Compared 608068 event pairs, 567 based on Foata normal form. 2851/80738 useless extension candidates. Maximal degree in co-relation 234688. Up to 19688 conditions per place. [2024-12-02 08:40:11,158 INFO L140 encePairwiseOnDemand]: 105/116 looper letters, 0 selfloop transitions, 0 changer transitions 707/707 dead transitions. [2024-12-02 08:40:11,158 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 707 transitions, 6686 flow [2024-12-02 08:40:11,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 08:40:11,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-12-02 08:40:11,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1017 transitions. [2024-12-02 08:40:11,160 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5479525862068966 [2024-12-02 08:40:11,161 INFO L175 Difference]: Start difference. First operand has 180 places, 273 transitions, 2664 flow. Second operand 16 states and 1017 transitions. [2024-12-02 08:40:11,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 707 transitions, 6686 flow [2024-12-02 08:40:12,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 707 transitions, 6422 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-12-02 08:40:12,107 INFO L231 Difference]: Finished difference. Result has 187 places, 0 transitions, 0 flow [2024-12-02 08:40:12,107 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=2403, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=0, PETRI_PLACES=187, PETRI_TRANSITIONS=0} [2024-12-02 08:40:12,108 INFO L279 CegarLoopForPetriNet]: 113 programPoint places, 74 predicate places. [2024-12-02 08:40:12,108 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 0 transitions, 0 flow [2024-12-02 08:40:12,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.285714285714285) internal successors, (338), 7 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:40:12,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 42 remaining) [2024-12-02 08:40:12,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 42 remaining) [2024-12-02 08:40:12,113 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 42 remaining) [2024-12-02 08:40:12,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 42 remaining) [2024-12-02 08:40:12,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 42 remaining) [2024-12-02 08:40:12,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 42 remaining) [2024-12-02 08:40:12,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 42 remaining) [2024-12-02 08:40:12,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 42 remaining) [2024-12-02 08:40:12,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 42 remaining) [2024-12-02 08:40:12,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 42 remaining) [2024-12-02 08:40:12,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 42 remaining) [2024-12-02 08:40:12,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 42 remaining) [2024-12-02 08:40:12,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 42 remaining) [2024-12-02 08:40:12,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 42 remaining) [2024-12-02 08:40:12,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 42 remaining) [2024-12-02 08:40:12,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 42 remaining) [2024-12-02 08:40:12,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 42 remaining) [2024-12-02 08:40:12,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 42 remaining) [2024-12-02 08:40:12,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 42 remaining) [2024-12-02 08:40:12,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 42 remaining) [2024-12-02 08:40:12,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 42 remaining) [2024-12-02 08:40:12,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 42 remaining) [2024-12-02 08:40:12,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork5Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 42 remaining) [2024-12-02 08:40:12,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork5Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 42 remaining) [2024-12-02 08:40:12,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 42 remaining) [2024-12-02 08:40:12,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 42 remaining) [2024-12-02 08:40:12,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 42 remaining) [2024-12-02 08:40:12,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 42 remaining) [2024-12-02 08:40:12,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 42 remaining) [2024-12-02 08:40:12,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 42 remaining) [2024-12-02 08:40:12,115 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 42 remaining) [2024-12-02 08:40:12,116 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 42 remaining) [2024-12-02 08:40:12,116 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork2Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 42 remaining) [2024-12-02 08:40:12,116 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork2Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 42 remaining) [2024-12-02 08:40:12,116 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 42 remaining) [2024-12-02 08:40:12,116 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 42 remaining) [2024-12-02 08:40:12,116 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 42 remaining) [2024-12-02 08:40:12,116 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 42 remaining) [2024-12-02 08:40:12,116 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 42 remaining) [2024-12-02 08:40:12,116 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 42 remaining) [2024-12-02 08:40:12,116 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 42 remaining) [2024-12-02 08:40:12,116 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 42 remaining) [2024-12-02 08:40:12,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 08:40:12,117 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:40:12,128 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 08:40:12,128 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 08:40:12,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:40:12 BasicIcfg [2024-12-02 08:40:12,139 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 08:40:12,140 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 08:40:12,140 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 08:40:12,140 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 08:40:12,142 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:33:40" (3/4) ... [2024-12-02 08:40:12,145 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 08:40:12,150 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-12-02 08:40:12,150 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-12-02 08:40:12,150 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-12-02 08:40:12,151 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-12-02 08:40:12,151 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread5 [2024-12-02 08:40:12,151 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread6 [2024-12-02 08:40:12,159 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 83 nodes and edges [2024-12-02 08:40:12,159 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-12-02 08:40:12,159 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-02 08:40:12,160 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-02 08:40:12,283 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c3510b-a752-4da7-b0fc-2c14965e5f6b/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 08:40:12,283 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c3510b-a752-4da7-b0fc-2c14965e5f6b/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 08:40:12,283 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 08:40:12,285 INFO L158 Benchmark]: Toolchain (without parser) took 393173.35ms. Allocated memory was 117.4MB in the beginning and 5.4GB in the end (delta: 5.3GB). Free memory was 93.6MB in the beginning and 3.5GB in the end (delta: -3.4GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-12-02 08:40:12,285 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 73.2MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:40:12,286 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.99ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 81.1MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:40:12,286 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.07ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.1MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:40:12,287 INFO L158 Benchmark]: Boogie Preprocessor took 48.38ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:40:12,287 INFO L158 Benchmark]: RCFGBuilder took 774.21ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 88.0MB in the end (delta: -10.9MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2024-12-02 08:40:12,288 INFO L158 Benchmark]: TraceAbstraction took 391862.22ms. Allocated memory was 117.4MB in the beginning and 5.4GB in the end (delta: 5.3GB). Free memory was 87.4MB in the beginning and 3.5GB in the end (delta: -3.4GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2024-12-02 08:40:12,288 INFO L158 Benchmark]: Witness Printer took 143.66ms. Allocated memory is still 5.4GB. Free memory was 3.5GB in the beginning and 3.5GB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:40:12,291 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 73.2MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.99ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 81.1MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.07ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.1MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.38ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 774.21ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 88.0MB in the end (delta: -10.9MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * TraceAbstraction took 391862.22ms. Allocated memory was 117.4MB in the beginning and 5.4GB in the end (delta: 5.3GB). Free memory was 87.4MB in the beginning and 3.5GB in the end (delta: -3.4GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. * Witness Printer took 143.66ms. Allocated memory is still 5.4GB. Free memory was 3.5GB in the beginning and 3.5GB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 91]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 91]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 98]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 98]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 104]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 104]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 13 procedures, 191 locations, 42 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: 391.7s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 389.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6946 SdHoareTripleChecker+Valid, 7.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6553 mSDsluCounter, 2779 SdHoareTripleChecker+Invalid, 5.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2509 mSDsCounter, 199 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9658 IncrementalHoareTripleChecker+Invalid, 9857 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 199 mSolverCounterUnsat, 270 mSDtfsCounter, 9658 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 257 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 249 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1274 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4045occurred in iteration=11, InterpolantAutomatonStates: 262, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 600 NumberOfCodeBlocks, 600 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 581 ConstructedInterpolants, 0 QuantifiedInterpolants, 1923 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 08:40:12,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c3510b-a752-4da7-b0fc-2c14965e5f6b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE