./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i --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_2b82f5b7-4ce6-4b65-aea9-907d3673026f/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b82f5b7-4ce6-4b65-aea9-907d3673026f/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_2b82f5b7-4ce6-4b65-aea9-907d3673026f/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b82f5b7-4ce6-4b65-aea9-907d3673026f/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b82f5b7-4ce6-4b65-aea9-907d3673026f/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_2b82f5b7-4ce6-4b65-aea9-907d3673026f/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 75716fdd637a22328d600b3257cf24f40a7920b464397c315485c5ed90fb6ece --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:13:29,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:13:29,817 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b82f5b7-4ce6-4b65-aea9-907d3673026f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-12-02 14:13:29,821 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:13:29,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:13:29,842 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:13:29,843 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:13:29,843 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:13:29,843 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:13:29,843 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:13:29,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:13:29,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:13:29,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:13:29,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:13:29,844 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:13:29,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:13:29,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:13:29,845 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:13:29,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:13:29,845 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:13:29,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:13:29,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:13:29,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:13:29,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:13:29,845 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 14:13:29,845 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 14:13:29,846 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:13:29,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:13:29,846 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:13:29,846 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:13:29,846 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:13:29,846 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:13:29,846 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:13:29,846 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:13:29,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:13:29,847 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:13:29,847 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:13:29,847 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:13:29,847 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:13:29,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:13:29,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:13:29,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:13:29,847 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:13:29,848 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:13:29,848 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:13:29,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:13:29,848 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:13:29,848 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:13:29,848 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:13:29,848 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:13:29,848 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_2b82f5b7-4ce6-4b65-aea9-907d3673026f/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 -> 75716fdd637a22328d600b3257cf24f40a7920b464397c315485c5ed90fb6ece [2024-12-02 14:13:30,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:13:30,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:13:30,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:13:30,081 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:13:30,082 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:13:30,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b82f5b7-4ce6-4b65-aea9-907d3673026f/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2024-12-02 14:13:32,763 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b82f5b7-4ce6-4b65-aea9-907d3673026f/bin/uautomizer-verify-84ZbGMXZE1/data/79152a70e/0e36128a5e6246f49ea721ba106623d0/FLAG808261120 [2024-12-02 14:13:33,061 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:13:33,062 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b82f5b7-4ce6-4b65-aea9-907d3673026f/sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2024-12-02 14:13:33,083 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b82f5b7-4ce6-4b65-aea9-907d3673026f/bin/uautomizer-verify-84ZbGMXZE1/data/79152a70e/0e36128a5e6246f49ea721ba106623d0/FLAG808261120 [2024-12-02 14:13:33,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b82f5b7-4ce6-4b65-aea9-907d3673026f/bin/uautomizer-verify-84ZbGMXZE1/data/79152a70e/0e36128a5e6246f49ea721ba106623d0 [2024-12-02 14:13:33,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:13:33,100 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:13:33,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:13:33,101 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:13:33,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:13:33,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:13:33" (1/1) ... [2024-12-02 14:13:33,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51b011ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:33, skipping insertion in model container [2024-12-02 14:13:33,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:13:33" (1/1) ... [2024-12-02 14:13:33,150 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:13:33,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:13:33,486 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:13:33,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:13:33,579 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:13:33,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:33 WrapperNode [2024-12-02 14:13:33,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:13:33,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:13:33,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:13:33,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:13:33,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:33" (1/1) ... [2024-12-02 14:13:33,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:33" (1/1) ... [2024-12-02 14:13:33,622 INFO L138 Inliner]: procedures = 246, calls = 40, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 145 [2024-12-02 14:13:33,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:13:33,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:13:33,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:13:33,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:13:33,630 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:33" (1/1) ... [2024-12-02 14:13:33,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:33" (1/1) ... [2024-12-02 14:13:33,635 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:33" (1/1) ... [2024-12-02 14:13:33,650 INFO L175 MemorySlicer]: Split 17 memory accesses to 3 slices as follows [2, 2, 13]. 76 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 8 writes are split as follows [0, 2, 6]. [2024-12-02 14:13:33,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:33" (1/1) ... [2024-12-02 14:13:33,651 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:33" (1/1) ... [2024-12-02 14:13:33,663 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:33" (1/1) ... [2024-12-02 14:13:33,664 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:33" (1/1) ... [2024-12-02 14:13:33,666 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:33" (1/1) ... [2024-12-02 14:13:33,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:33" (1/1) ... [2024-12-02 14:13:33,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:33" (1/1) ... [2024-12-02 14:13:33,676 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:13:33,677 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:13:33,677 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:13:33,677 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:13:33,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:33" (1/1) ... [2024-12-02 14:13:33,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:13:33,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b82f5b7-4ce6-4b65-aea9-907d3673026f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:13:33,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b82f5b7-4ce6-4b65-aea9-907d3673026f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:13:33,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b82f5b7-4ce6-4b65-aea9-907d3673026f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:13:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-12-02 14:13:33,731 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-12-02 14:13:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 14:13:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 14:13:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-02 14:13:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 14:13:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 14:13:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 14:13:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 14:13:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 14:13:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 14:13:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-02 14:13:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:13:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 14:13:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 14:13:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 14:13:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:13:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 14:13:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 14:13:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:13:33,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:13:33,734 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 14:13:33,966 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:13:33,968 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:13:34,231 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 14:13:34,231 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:13:34,414 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:13:34,414 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 14:13:34,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:13:34 BoogieIcfgContainer [2024-12-02 14:13:34,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:13:34,416 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:13:34,416 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:13:34,420 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:13:34,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:13:33" (1/3) ... [2024-12-02 14:13:34,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4464e44d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:13:34, skipping insertion in model container [2024-12-02 14:13:34,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:13:33" (2/3) ... [2024-12-02 14:13:34,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4464e44d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:13:34, skipping insertion in model container [2024-12-02 14:13:34,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:13:34" (3/3) ... [2024-12-02 14:13:34,423 INFO L128 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2024-12-02 14:13:34,438 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:13:34,439 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-3_1-container_of-global.i that has 2 procedures, 26 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-12-02 14:13:34,439 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 14:13:34,485 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-02 14:13:34,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 38 transitions, 90 flow [2024-12-02 14:13:34,547 INFO L124 PetriNetUnfolderBase]: 2/41 cut-off events. [2024-12-02 14:13:34,549 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-12-02 14:13:34,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 41 events. 2/41 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 79 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 23. Up to 3 conditions per place. [2024-12-02 14:13:34,552 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 38 transitions, 90 flow [2024-12-02 14:13:34,554 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 32 transitions, 73 flow [2024-12-02 14:13:34,562 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:13:34,573 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;@5dcaa75c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:13:34,573 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-12-02 14:13:34,580 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 14:13:34,580 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2024-12-02 14:13:34,580 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 14:13:34,580 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:34,581 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:34,581 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:34,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:34,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1371065065, now seen corresponding path program 1 times [2024-12-02 14:13:34,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:34,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707943633] [2024-12-02 14:13:34,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:34,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:35,181 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 14:13:35,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:35,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707943633] [2024-12-02 14:13:35,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707943633] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:35,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:35,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:13:35,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276648039] [2024-12-02 14:13:35,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:35,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:13:35,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:35,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:13:35,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:13:35,224 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-12-02 14:13:35,226 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 32 transitions, 73 flow. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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 14:13:35,226 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:35,226 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-12-02 14:13:35,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:35,707 INFO L124 PetriNetUnfolderBase]: 621/1208 cut-off events. [2024-12-02 14:13:35,708 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-12-02 14:13:35,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2271 conditions, 1208 events. 621/1208 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 6838 event pairs, 193 based on Foata normal form. 44/1176 useless extension candidates. Maximal degree in co-relation 2198. Up to 862 conditions per place. [2024-12-02 14:13:35,717 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 58 selfloop transitions, 18 changer transitions 3/84 dead transitions. [2024-12-02 14:13:35,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 84 transitions, 344 flow [2024-12-02 14:13:35,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 14:13:35,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-12-02 14:13:35,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 155 transitions. [2024-12-02 14:13:35,729 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.45321637426900585 [2024-12-02 14:13:35,731 INFO L175 Difference]: Start difference. First operand has 39 places, 32 transitions, 73 flow. Second operand 9 states and 155 transitions. [2024-12-02 14:13:35,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 84 transitions, 344 flow [2024-12-02 14:13:35,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 84 transitions, 336 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-12-02 14:13:35,739 INFO L231 Difference]: Finished difference. Result has 48 places, 50 transitions, 182 flow [2024-12-02 14:13:35,741 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=182, PETRI_PLACES=48, PETRI_TRANSITIONS=50} [2024-12-02 14:13:35,744 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 9 predicate places. [2024-12-02 14:13:35,744 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 50 transitions, 182 flow [2024-12-02 14:13:35,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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 14:13:35,745 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:35,745 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:35,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 14:13:35,745 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:35,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:35,746 INFO L85 PathProgramCache]: Analyzing trace with hash 625871757, now seen corresponding path program 1 times [2024-12-02 14:13:35,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:35,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655233983] [2024-12-02 14:13:35,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:35,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:36,123 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 14:13:36,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:36,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655233983] [2024-12-02 14:13:36,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655233983] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:36,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:36,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:13:36,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593514200] [2024-12-02 14:13:36,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:36,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:13:36,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:36,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:13:36,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:13:36,140 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-12-02 14:13:36,141 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 50 transitions, 182 flow. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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 14:13:36,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:36,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-12-02 14:13:36,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:36,638 INFO L124 PetriNetUnfolderBase]: 672/1238 cut-off events. [2024-12-02 14:13:36,638 INFO L125 PetriNetUnfolderBase]: For 466/466 co-relation queries the response was YES. [2024-12-02 14:13:36,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2972 conditions, 1238 events. 672/1238 cut-off events. For 466/466 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 6664 event pairs, 319 based on Foata normal form. 44/1248 useless extension candidates. Maximal degree in co-relation 2499. Up to 951 conditions per place. [2024-12-02 14:13:36,648 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 60 selfloop transitions, 24 changer transitions 5/94 dead transitions. [2024-12-02 14:13:36,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 94 transitions, 496 flow [2024-12-02 14:13:36,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 14:13:36,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-12-02 14:13:36,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 153 transitions. [2024-12-02 14:13:36,650 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4473684210526316 [2024-12-02 14:13:36,650 INFO L175 Difference]: Start difference. First operand has 48 places, 50 transitions, 182 flow. Second operand 9 states and 153 transitions. [2024-12-02 14:13:36,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 94 transitions, 496 flow [2024-12-02 14:13:36,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 94 transitions, 494 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 14:13:36,656 INFO L231 Difference]: Finished difference. Result has 57 places, 62 transitions, 299 flow [2024-12-02 14:13:36,656 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=299, PETRI_PLACES=57, PETRI_TRANSITIONS=62} [2024-12-02 14:13:36,657 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 18 predicate places. [2024-12-02 14:13:36,657 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 62 transitions, 299 flow [2024-12-02 14:13:36,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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 14:13:36,658 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:36,658 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:36,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:13:36,658 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:36,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:36,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1799878917, now seen corresponding path program 1 times [2024-12-02 14:13:36,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:36,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882361822] [2024-12-02 14:13:36,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:36,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:37,231 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 14:13:37,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:37,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882361822] [2024-12-02 14:13:37,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882361822] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:37,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:37,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:13:37,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396427189] [2024-12-02 14:13:37,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:37,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:13:37,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:37,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:13:37,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:13:37,248 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-12-02 14:13:37,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 62 transitions, 299 flow. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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 14:13:37,249 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:37,249 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-12-02 14:13:37,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:37,916 INFO L124 PetriNetUnfolderBase]: 728/1329 cut-off events. [2024-12-02 14:13:37,917 INFO L125 PetriNetUnfolderBase]: For 1096/1096 co-relation queries the response was YES. [2024-12-02 14:13:37,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3679 conditions, 1329 events. 728/1329 cut-off events. For 1096/1096 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 7237 event pairs, 234 based on Foata normal form. 52/1381 useless extension candidates. Maximal degree in co-relation 3575. Up to 1039 conditions per place. [2024-12-02 14:13:37,925 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 60 selfloop transitions, 26 changer transitions 18/109 dead transitions. [2024-12-02 14:13:37,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 109 transitions, 657 flow [2024-12-02 14:13:37,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 14:13:37,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-12-02 14:13:37,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 183 transitions. [2024-12-02 14:13:37,927 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.43779904306220097 [2024-12-02 14:13:37,927 INFO L175 Difference]: Start difference. First operand has 57 places, 62 transitions, 299 flow. Second operand 11 states and 183 transitions. [2024-12-02 14:13:37,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 109 transitions, 657 flow [2024-12-02 14:13:37,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 109 transitions, 655 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 14:13:37,934 INFO L231 Difference]: Finished difference. Result has 69 places, 65 transitions, 390 flow [2024-12-02 14:13:37,934 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=297, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=390, PETRI_PLACES=69, PETRI_TRANSITIONS=65} [2024-12-02 14:13:37,935 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 30 predicate places. [2024-12-02 14:13:37,935 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 65 transitions, 390 flow [2024-12-02 14:13:37,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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 14:13:37,935 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:37,936 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:37,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 14:13:37,936 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:37,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:37,936 INFO L85 PathProgramCache]: Analyzing trace with hash 899651241, now seen corresponding path program 2 times [2024-12-02 14:13:37,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:37,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154815262] [2024-12-02 14:13:37,937 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 14:13:37,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:37,976 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 14:13:37,977 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 14:13:38,476 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 14:13:38,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:38,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154815262] [2024-12-02 14:13:38,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154815262] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:38,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:38,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:13:38,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402142464] [2024-12-02 14:13:38,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:38,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:13:38,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:38,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:13:38,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:13:38,491 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-12-02 14:13:38,492 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 65 transitions, 390 flow. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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 14:13:38,492 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:38,492 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-12-02 14:13:38,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:39,182 INFO L124 PetriNetUnfolderBase]: 796/1474 cut-off events. [2024-12-02 14:13:39,182 INFO L125 PetriNetUnfolderBase]: For 2714/2714 co-relation queries the response was YES. [2024-12-02 14:13:39,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4598 conditions, 1474 events. 796/1474 cut-off events. For 2714/2714 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 8270 event pairs, 309 based on Foata normal form. 52/1526 useless extension candidates. Maximal degree in co-relation 3666. Up to 1023 conditions per place. [2024-12-02 14:13:39,189 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 75 selfloop transitions, 39 changer transitions 12/131 dead transitions. [2024-12-02 14:13:39,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 131 transitions, 932 flow [2024-12-02 14:13:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 14:13:39,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 14:13:39,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 212 transitions. [2024-12-02 14:13:39,192 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4291497975708502 [2024-12-02 14:13:39,192 INFO L175 Difference]: Start difference. First operand has 69 places, 65 transitions, 390 flow. Second operand 13 states and 212 transitions. [2024-12-02 14:13:39,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 131 transitions, 932 flow [2024-12-02 14:13:39,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 131 transitions, 848 flow, removed 6 selfloop flow, removed 8 redundant places. [2024-12-02 14:13:39,204 INFO L231 Difference]: Finished difference. Result has 77 places, 81 transitions, 588 flow [2024-12-02 14:13:39,204 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=588, PETRI_PLACES=77, PETRI_TRANSITIONS=81} [2024-12-02 14:13:39,205 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 38 predicate places. [2024-12-02 14:13:39,205 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 81 transitions, 588 flow [2024-12-02 14:13:39,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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 14:13:39,205 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:39,205 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:39,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 14:13:39,206 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:39,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:39,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1789759587, now seen corresponding path program 3 times [2024-12-02 14:13:39,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:39,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226192430] [2024-12-02 14:13:39,206 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 14:13:39,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:39,230 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-02 14:13:39,230 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 14:13:39,580 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 14:13:39,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:39,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226192430] [2024-12-02 14:13:39,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226192430] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:39,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:39,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:13:39,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870793148] [2024-12-02 14:13:39,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:39,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:13:39,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:39,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:13:39,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:13:39,595 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-12-02 14:13:39,595 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 81 transitions, 588 flow. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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 14:13:39,595 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:39,595 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-12-02 14:13:39,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:40,214 INFO L124 PetriNetUnfolderBase]: 780/1420 cut-off events. [2024-12-02 14:13:40,214 INFO L125 PetriNetUnfolderBase]: For 3745/3745 co-relation queries the response was YES. [2024-12-02 14:13:40,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4907 conditions, 1420 events. 780/1420 cut-off events. For 3745/3745 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 7687 event pairs, 224 based on Foata normal form. 52/1472 useless extension candidates. Maximal degree in co-relation 4785. Up to 1011 conditions per place. [2024-12-02 14:13:40,222 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 78 selfloop transitions, 42 changer transitions 17/142 dead transitions. [2024-12-02 14:13:40,222 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 142 transitions, 1122 flow [2024-12-02 14:13:40,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 14:13:40,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-12-02 14:13:40,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 205 transitions. [2024-12-02 14:13:40,225 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.44956140350877194 [2024-12-02 14:13:40,225 INFO L175 Difference]: Start difference. First operand has 77 places, 81 transitions, 588 flow. Second operand 12 states and 205 transitions. [2024-12-02 14:13:40,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 142 transitions, 1122 flow [2024-12-02 14:13:40,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 142 transitions, 1037 flow, removed 14 selfloop flow, removed 7 redundant places. [2024-12-02 14:13:40,240 INFO L231 Difference]: Finished difference. Result has 85 places, 88 transitions, 717 flow [2024-12-02 14:13:40,240 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=522, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=717, PETRI_PLACES=85, PETRI_TRANSITIONS=88} [2024-12-02 14:13:40,241 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 46 predicate places. [2024-12-02 14:13:40,241 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 88 transitions, 717 flow [2024-12-02 14:13:40,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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 14:13:40,241 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:40,242 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:40,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 14:13:40,242 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:40,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:40,242 INFO L85 PathProgramCache]: Analyzing trace with hash 546323968, now seen corresponding path program 1 times [2024-12-02 14:13:40,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:40,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706796848] [2024-12-02 14:13:40,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:40,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:40,604 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 14:13:40,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:40,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706796848] [2024-12-02 14:13:40,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706796848] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:40,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:40,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:13:40,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623614515] [2024-12-02 14:13:40,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:40,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:13:40,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:40,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:13:40,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:13:40,621 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-12-02 14:13:40,621 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 88 transitions, 717 flow. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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 14:13:40,621 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:40,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-12-02 14:13:40,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:41,226 INFO L124 PetriNetUnfolderBase]: 759/1422 cut-off events. [2024-12-02 14:13:41,227 INFO L125 PetriNetUnfolderBase]: For 4142/4169 co-relation queries the response was YES. [2024-12-02 14:13:41,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5138 conditions, 1422 events. 759/1422 cut-off events. For 4142/4169 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 8006 event pairs, 247 based on Foata normal form. 48/1470 useless extension candidates. Maximal degree in co-relation 5005. Up to 1000 conditions per place. [2024-12-02 14:13:41,234 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 75 selfloop transitions, 42 changer transitions 12/134 dead transitions. [2024-12-02 14:13:41,234 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 134 transitions, 1125 flow [2024-12-02 14:13:41,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 14:13:41,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 14:13:41,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 212 transitions. [2024-12-02 14:13:41,236 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4291497975708502 [2024-12-02 14:13:41,236 INFO L175 Difference]: Start difference. First operand has 85 places, 88 transitions, 717 flow. Second operand 13 states and 212 transitions. [2024-12-02 14:13:41,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 134 transitions, 1125 flow [2024-12-02 14:13:41,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 134 transitions, 1076 flow, removed 10 selfloop flow, removed 5 redundant places. [2024-12-02 14:13:41,253 INFO L231 Difference]: Finished difference. Result has 94 places, 85 transitions, 750 flow [2024-12-02 14:13:41,253 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=671, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=750, PETRI_PLACES=94, PETRI_TRANSITIONS=85} [2024-12-02 14:13:41,254 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 55 predicate places. [2024-12-02 14:13:41,254 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 85 transitions, 750 flow [2024-12-02 14:13:41,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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 14:13:41,254 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:41,254 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:41,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 14:13:41,254 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:41,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:41,255 INFO L85 PathProgramCache]: Analyzing trace with hash 899642880, now seen corresponding path program 2 times [2024-12-02 14:13:41,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:41,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419904417] [2024-12-02 14:13:41,255 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 14:13:41,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:41,282 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 14:13:41,282 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 14:13:41,560 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 14:13:41,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:41,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419904417] [2024-12-02 14:13:41,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419904417] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:41,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:41,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:13:41,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22762387] [2024-12-02 14:13:41,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:41,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:13:41,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:41,562 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:13:41,562 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:13:41,573 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-12-02 14:13:41,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 85 transitions, 750 flow. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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 14:13:41,574 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:41,574 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-12-02 14:13:41,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:42,112 INFO L124 PetriNetUnfolderBase]: 768/1446 cut-off events. [2024-12-02 14:13:42,112 INFO L125 PetriNetUnfolderBase]: For 5195/5226 co-relation queries the response was YES. [2024-12-02 14:13:42,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5498 conditions, 1446 events. 768/1446 cut-off events. For 5195/5226 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 8142 event pairs, 301 based on Foata normal form. 48/1494 useless extension candidates. Maximal degree in co-relation 4337. Up to 1019 conditions per place. [2024-12-02 14:13:42,120 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 73 selfloop transitions, 40 changer transitions 13/131 dead transitions. [2024-12-02 14:13:42,120 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 131 transitions, 1178 flow [2024-12-02 14:13:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 14:13:42,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-12-02 14:13:42,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 198 transitions. [2024-12-02 14:13:42,122 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4342105263157895 [2024-12-02 14:13:42,122 INFO L175 Difference]: Start difference. First operand has 94 places, 85 transitions, 750 flow. Second operand 12 states and 198 transitions. [2024-12-02 14:13:42,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 131 transitions, 1178 flow [2024-12-02 14:13:42,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 131 transitions, 1044 flow, removed 5 selfloop flow, removed 15 redundant places. [2024-12-02 14:13:42,137 INFO L231 Difference]: Finished difference. Result has 92 places, 85 transitions, 720 flow [2024-12-02 14:13:42,137 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=619, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=720, PETRI_PLACES=92, PETRI_TRANSITIONS=85} [2024-12-02 14:13:42,138 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 53 predicate places. [2024-12-02 14:13:42,138 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 85 transitions, 720 flow [2024-12-02 14:13:42,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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 14:13:42,138 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:42,138 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:42,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 14:13:42,138 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:42,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:42,139 INFO L85 PathProgramCache]: Analyzing trace with hash -578233808, now seen corresponding path program 1 times [2024-12-02 14:13:42,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:42,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008749777] [2024-12-02 14:13:42,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:42,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:42,201 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 14:13:42,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:42,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008749777] [2024-12-02 14:13:42,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008749777] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:42,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:42,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:13:42,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104926200] [2024-12-02 14:13:42,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:42,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:13:42,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:42,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:13:42,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:13:42,203 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 38 [2024-12-02 14:13:42,203 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 85 transitions, 720 flow. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 14:13:42,203 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:42,203 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 38 [2024-12-02 14:13:42,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:42,377 INFO L124 PetriNetUnfolderBase]: 365/703 cut-off events. [2024-12-02 14:13:42,377 INFO L125 PetriNetUnfolderBase]: For 1975/2060 co-relation queries the response was YES. [2024-12-02 14:13:42,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2506 conditions, 703 events. 365/703 cut-off events. For 1975/2060 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 3358 event pairs, 61 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 2446. Up to 346 conditions per place. [2024-12-02 14:13:42,381 INFO L140 encePairwiseOnDemand]: 35/38 looper letters, 99 selfloop transitions, 7 changer transitions 6/118 dead transitions. [2024-12-02 14:13:42,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 118 transitions, 1160 flow [2024-12-02 14:13:42,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:13:42,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 14:13:42,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 84 transitions. [2024-12-02 14:13:42,382 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5526315789473685 [2024-12-02 14:13:42,382 INFO L175 Difference]: Start difference. First operand has 92 places, 85 transitions, 720 flow. Second operand 4 states and 84 transitions. [2024-12-02 14:13:42,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 118 transitions, 1160 flow [2024-12-02 14:13:42,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 118 transitions, 977 flow, removed 25 selfloop flow, removed 15 redundant places. [2024-12-02 14:13:42,389 INFO L231 Difference]: Finished difference. Result has 72 places, 62 transitions, 418 flow [2024-12-02 14:13:42,390 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=418, PETRI_PLACES=72, PETRI_TRANSITIONS=62} [2024-12-02 14:13:42,390 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 33 predicate places. [2024-12-02 14:13:42,390 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 62 transitions, 418 flow [2024-12-02 14:13:42,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 14:13:42,390 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:42,391 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:42,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 14:13:42,391 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:42,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:42,391 INFO L85 PathProgramCache]: Analyzing trace with hash -665345599, now seen corresponding path program 1 times [2024-12-02 14:13:42,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:42,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136116047] [2024-12-02 14:13:42,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:42,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:42,812 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 14:13:42,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:42,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136116047] [2024-12-02 14:13:42,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136116047] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:42,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:42,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:13:42,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100280825] [2024-12-02 14:13:42,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:42,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:13:42,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:42,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:13:42,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:13:42,831 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 38 [2024-12-02 14:13:42,831 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 62 transitions, 418 flow. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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 14:13:42,831 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:42,831 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 38 [2024-12-02 14:13:42,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:43,290 INFO L124 PetriNetUnfolderBase]: 486/911 cut-off events. [2024-12-02 14:13:43,290 INFO L125 PetriNetUnfolderBase]: For 1556/1556 co-relation queries the response was YES. [2024-12-02 14:13:43,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2924 conditions, 911 events. 486/911 cut-off events. For 1556/1556 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 4463 event pairs, 84 based on Foata normal form. 14/925 useless extension candidates. Maximal degree in co-relation 2795. Up to 226 conditions per place. [2024-12-02 14:13:43,294 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 95 selfloop transitions, 21 changer transitions 0/117 dead transitions. [2024-12-02 14:13:43,294 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 117 transitions, 839 flow [2024-12-02 14:13:43,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 14:13:43,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-12-02 14:13:43,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 135 transitions. [2024-12-02 14:13:43,296 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.39473684210526316 [2024-12-02 14:13:43,296 INFO L175 Difference]: Start difference. First operand has 72 places, 62 transitions, 418 flow. Second operand 9 states and 135 transitions. [2024-12-02 14:13:43,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 117 transitions, 839 flow [2024-12-02 14:13:43,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 117 transitions, 793 flow, removed 6 selfloop flow, removed 3 redundant places. [2024-12-02 14:13:43,302 INFO L231 Difference]: Finished difference. Result has 80 places, 64 transitions, 462 flow [2024-12-02 14:13:43,302 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=462, PETRI_PLACES=80, PETRI_TRANSITIONS=64} [2024-12-02 14:13:43,303 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 41 predicate places. [2024-12-02 14:13:43,303 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 64 transitions, 462 flow [2024-12-02 14:13:43,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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 14:13:43,303 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:43,303 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:43,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 14:13:43,303 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:43,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:43,304 INFO L85 PathProgramCache]: Analyzing trace with hash -2120512723, now seen corresponding path program 2 times [2024-12-02 14:13:43,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:43,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322401136] [2024-12-02 14:13:43,304 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 14:13:43,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:43,325 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 14:13:43,325 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 14:13:43,608 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 14:13:43,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:43,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322401136] [2024-12-02 14:13:43,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322401136] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:43,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:43,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:13:43,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196167575] [2024-12-02 14:13:43,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:43,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:13:43,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:43,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:13:43,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:13:43,627 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 38 [2024-12-02 14:13:43,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 64 transitions, 462 flow. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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 14:13:43,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:43,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 38 [2024-12-02 14:13:43,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:44,154 INFO L124 PetriNetUnfolderBase]: 639/1224 cut-off events. [2024-12-02 14:13:44,154 INFO L125 PetriNetUnfolderBase]: For 1853/1853 co-relation queries the response was YES. [2024-12-02 14:13:44,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3882 conditions, 1224 events. 639/1224 cut-off events. For 1853/1853 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 6587 event pairs, 152 based on Foata normal form. 14/1238 useless extension candidates. Maximal degree in co-relation 3743. Up to 379 conditions per place. [2024-12-02 14:13:44,161 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 106 selfloop transitions, 21 changer transitions 0/128 dead transitions. [2024-12-02 14:13:44,162 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 128 transitions, 923 flow [2024-12-02 14:13:44,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 14:13:44,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-12-02 14:13:44,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 149 transitions. [2024-12-02 14:13:44,163 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.39210526315789473 [2024-12-02 14:13:44,163 INFO L175 Difference]: Start difference. First operand has 80 places, 64 transitions, 462 flow. Second operand 10 states and 149 transitions. [2024-12-02 14:13:44,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 128 transitions, 923 flow [2024-12-02 14:13:44,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 128 transitions, 861 flow, removed 3 selfloop flow, removed 6 redundant places. [2024-12-02 14:13:44,172 INFO L231 Difference]: Finished difference. Result has 87 places, 69 transitions, 494 flow [2024-12-02 14:13:44,172 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=403, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=494, PETRI_PLACES=87, PETRI_TRANSITIONS=69} [2024-12-02 14:13:44,173 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 48 predicate places. [2024-12-02 14:13:44,173 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 69 transitions, 494 flow [2024-12-02 14:13:44,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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 14:13:44,173 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:44,173 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:44,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 14:13:44,174 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:44,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:44,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1749614773, now seen corresponding path program 3 times [2024-12-02 14:13:44,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:44,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255758060] [2024-12-02 14:13:44,174 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 14:13:44,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:44,198 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-02 14:13:44,198 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 14:13:44,488 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 14:13:44,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:44,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255758060] [2024-12-02 14:13:44,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255758060] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:44,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:44,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:13:44,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903063086] [2024-12-02 14:13:44,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:44,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:13:44,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:44,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:13:44,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:13:44,513 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 38 [2024-12-02 14:13:44,514 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 69 transitions, 494 flow. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 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 14:13:44,514 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:44,514 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 38 [2024-12-02 14:13:44,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:45,032 INFO L124 PetriNetUnfolderBase]: 733/1316 cut-off events. [2024-12-02 14:13:45,032 INFO L125 PetriNetUnfolderBase]: For 1950/1950 co-relation queries the response was YES. [2024-12-02 14:13:45,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4262 conditions, 1316 events. 733/1316 cut-off events. For 1950/1950 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 6613 event pairs, 204 based on Foata normal form. 14/1330 useless extension candidates. Maximal degree in co-relation 4125. Up to 480 conditions per place. [2024-12-02 14:13:45,040 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 102 selfloop transitions, 30 changer transitions 0/132 dead transitions. [2024-12-02 14:13:45,040 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 132 transitions, 956 flow [2024-12-02 14:13:45,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 14:13:45,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-12-02 14:13:45,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 144 transitions. [2024-12-02 14:13:45,041 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3444976076555024 [2024-12-02 14:13:45,041 INFO L175 Difference]: Start difference. First operand has 87 places, 69 transitions, 494 flow. Second operand 11 states and 144 transitions. [2024-12-02 14:13:45,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 132 transitions, 956 flow [2024-12-02 14:13:45,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 132 transitions, 925 flow, removed 5 selfloop flow, removed 2 redundant places. [2024-12-02 14:13:45,050 INFO L231 Difference]: Finished difference. Result has 98 places, 75 transitions, 571 flow [2024-12-02 14:13:45,050 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=571, PETRI_PLACES=98, PETRI_TRANSITIONS=75} [2024-12-02 14:13:45,051 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 59 predicate places. [2024-12-02 14:13:45,051 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 75 transitions, 571 flow [2024-12-02 14:13:45,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 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 14:13:45,051 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:45,051 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:45,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 14:13:45,051 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:45,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:45,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1039713035, now seen corresponding path program 4 times [2024-12-02 14:13:45,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:45,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291681307] [2024-12-02 14:13:45,052 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 14:13:45,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:45,077 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 14:13:45,077 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 14:13:45,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:13:45,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:45,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291681307] [2024-12-02 14:13:45,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291681307] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:45,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:45,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:13:45,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303423482] [2024-12-02 14:13:45,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:45,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:13:45,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:45,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:13:45,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:13:45,337 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 38 [2024-12-02 14:13:45,337 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 75 transitions, 571 flow. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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 14:13:45,337 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:45,337 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 38 [2024-12-02 14:13:45,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:45,858 INFO L124 PetriNetUnfolderBase]: 782/1505 cut-off events. [2024-12-02 14:13:45,858 INFO L125 PetriNetUnfolderBase]: For 2766/2766 co-relation queries the response was YES. [2024-12-02 14:13:45,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5060 conditions, 1505 events. 782/1505 cut-off events. For 2766/2766 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 8604 event pairs, 194 based on Foata normal form. 14/1519 useless extension candidates. Maximal degree in co-relation 4912. Up to 513 conditions per place. [2024-12-02 14:13:45,867 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 114 selfloop transitions, 26 changer transitions 0/144 dead transitions. [2024-12-02 14:13:45,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 144 transitions, 1068 flow [2024-12-02 14:13:45,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 14:13:45,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-12-02 14:13:45,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 158 transitions. [2024-12-02 14:13:45,868 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.41578947368421054 [2024-12-02 14:13:45,868 INFO L175 Difference]: Start difference. First operand has 98 places, 75 transitions, 571 flow. Second operand 10 states and 158 transitions. [2024-12-02 14:13:45,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 144 transitions, 1068 flow [2024-12-02 14:13:45,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 144 transitions, 1049 flow, removed 5 selfloop flow, removed 3 redundant places. [2024-12-02 14:13:45,877 INFO L231 Difference]: Finished difference. Result has 108 places, 78 transitions, 665 flow [2024-12-02 14:13:45,877 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=552, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=665, PETRI_PLACES=108, PETRI_TRANSITIONS=78} [2024-12-02 14:13:45,878 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 69 predicate places. [2024-12-02 14:13:45,878 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 78 transitions, 665 flow [2024-12-02 14:13:45,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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 14:13:45,878 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:45,878 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:45,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 14:13:45,879 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:45,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:45,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1031124866, now seen corresponding path program 1 times [2024-12-02 14:13:45,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:45,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054266693] [2024-12-02 14:13:45,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:45,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:46,122 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 14:13:46,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:46,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054266693] [2024-12-02 14:13:46,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054266693] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:46,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:46,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:13:46,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145369114] [2024-12-02 14:13:46,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:46,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:13:46,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:46,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:13:46,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:13:46,141 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 38 [2024-12-02 14:13:46,141 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 78 transitions, 665 flow. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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 14:13:46,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:46,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 38 [2024-12-02 14:13:46,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:46,616 INFO L124 PetriNetUnfolderBase]: 818/1513 cut-off events. [2024-12-02 14:13:46,616 INFO L125 PetriNetUnfolderBase]: For 3554/3558 co-relation queries the response was YES. [2024-12-02 14:13:46,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5411 conditions, 1513 events. 818/1513 cut-off events. For 3554/3558 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 8284 event pairs, 218 based on Foata normal form. 12/1521 useless extension candidates. Maximal degree in co-relation 5264. Up to 518 conditions per place. [2024-12-02 14:13:46,624 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 104 selfloop transitions, 25 changer transitions 0/132 dead transitions. [2024-12-02 14:13:46,624 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 132 transitions, 1084 flow [2024-12-02 14:13:46,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 14:13:46,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-12-02 14:13:46,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 138 transitions. [2024-12-02 14:13:46,625 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.40350877192982454 [2024-12-02 14:13:46,625 INFO L175 Difference]: Start difference. First operand has 108 places, 78 transitions, 665 flow. Second operand 9 states and 138 transitions. [2024-12-02 14:13:46,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 132 transitions, 1084 flow [2024-12-02 14:13:46,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 132 transitions, 1057 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-12-02 14:13:46,637 INFO L231 Difference]: Finished difference. Result has 118 places, 82 transitions, 745 flow [2024-12-02 14:13:46,637 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=745, PETRI_PLACES=118, PETRI_TRANSITIONS=82} [2024-12-02 14:13:46,638 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 79 predicate places. [2024-12-02 14:13:46,638 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 82 transitions, 745 flow [2024-12-02 14:13:46,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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 14:13:46,638 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:46,638 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:46,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 14:13:46,638 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:46,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:46,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1276771083, now seen corresponding path program 5 times [2024-12-02 14:13:46,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:46,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982535666] [2024-12-02 14:13:46,639 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 14:13:46,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:46,657 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 14:13:46,657 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 14:13:46,909 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 14:13:46,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:46,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982535666] [2024-12-02 14:13:46,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982535666] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:46,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:46,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:13:46,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484651884] [2024-12-02 14:13:46,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:46,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:13:46,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:46,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:13:46,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:13:46,920 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 38 [2024-12-02 14:13:46,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 82 transitions, 745 flow. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 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 14:13:46,920 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:46,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 38 [2024-12-02 14:13:46,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:47,555 INFO L124 PetriNetUnfolderBase]: 941/1700 cut-off events. [2024-12-02 14:13:47,555 INFO L125 PetriNetUnfolderBase]: For 4369/4369 co-relation queries the response was YES. [2024-12-02 14:13:47,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6338 conditions, 1700 events. 941/1700 cut-off events. For 4369/4369 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 9248 event pairs, 204 based on Foata normal form. 26/1726 useless extension candidates. Maximal degree in co-relation 5941. Up to 697 conditions per place. [2024-12-02 14:13:47,567 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 122 selfloop transitions, 31 changer transitions 0/153 dead transitions. [2024-12-02 14:13:47,567 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 153 transitions, 1269 flow [2024-12-02 14:13:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 14:13:47,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-12-02 14:13:47,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 165 transitions. [2024-12-02 14:13:47,568 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3618421052631579 [2024-12-02 14:13:47,568 INFO L175 Difference]: Start difference. First operand has 118 places, 82 transitions, 745 flow. Second operand 12 states and 165 transitions. [2024-12-02 14:13:47,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 153 transitions, 1269 flow [2024-12-02 14:13:47,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 153 transitions, 1238 flow, removed 4 selfloop flow, removed 6 redundant places. [2024-12-02 14:13:47,582 INFO L231 Difference]: Finished difference. Result has 124 places, 84 transitions, 802 flow [2024-12-02 14:13:47,582 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=702, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=802, PETRI_PLACES=124, PETRI_TRANSITIONS=84} [2024-12-02 14:13:47,582 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 85 predicate places. [2024-12-02 14:13:47,582 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 84 transitions, 802 flow [2024-12-02 14:13:47,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 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 14:13:47,583 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:47,583 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:47,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 14:13:47,583 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:47,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:47,583 INFO L85 PathProgramCache]: Analyzing trace with hash -670616540, now seen corresponding path program 2 times [2024-12-02 14:13:47,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:47,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001612828] [2024-12-02 14:13:47,583 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 14:13:47,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:47,601 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 14:13:47,601 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 14:13:47,930 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 14:13:47,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:47,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001612828] [2024-12-02 14:13:47,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001612828] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:47,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:47,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:13:47,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405902046] [2024-12-02 14:13:47,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:47,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:13:47,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:47,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:13:47,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:13:47,951 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 38 [2024-12-02 14:13:47,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 84 transitions, 802 flow. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 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 14:13:47,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:47,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 38 [2024-12-02 14:13:47,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:48,529 INFO L124 PetriNetUnfolderBase]: 1024/1851 cut-off events. [2024-12-02 14:13:48,529 INFO L125 PetriNetUnfolderBase]: For 4631/4631 co-relation queries the response was YES. [2024-12-02 14:13:48,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7113 conditions, 1851 events. 1024/1851 cut-off events. For 4631/4631 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 10292 event pairs, 174 based on Foata normal form. 12/1863 useless extension candidates. Maximal degree in co-relation 6659. Up to 768 conditions per place. [2024-12-02 14:13:48,535 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 112 selfloop transitions, 36 changer transitions 0/148 dead transitions. [2024-12-02 14:13:48,535 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 148 transitions, 1346 flow [2024-12-02 14:13:48,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 14:13:48,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-12-02 14:13:48,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 150 transitions. [2024-12-02 14:13:48,537 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.32894736842105265 [2024-12-02 14:13:48,537 INFO L175 Difference]: Start difference. First operand has 124 places, 84 transitions, 802 flow. Second operand 12 states and 150 transitions. [2024-12-02 14:13:48,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 148 transitions, 1346 flow [2024-12-02 14:13:48,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 148 transitions, 1268 flow, removed 18 selfloop flow, removed 10 redundant places. [2024-12-02 14:13:48,551 INFO L231 Difference]: Finished difference. Result has 128 places, 90 transitions, 877 flow [2024-12-02 14:13:48,552 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=736, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=877, PETRI_PLACES=128, PETRI_TRANSITIONS=90} [2024-12-02 14:13:48,552 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 89 predicate places. [2024-12-02 14:13:48,552 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 90 transitions, 877 flow [2024-12-02 14:13:48,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 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 14:13:48,552 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:48,552 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:48,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 14:13:48,552 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:48,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:48,553 INFO L85 PathProgramCache]: Analyzing trace with hash -814507070, now seen corresponding path program 3 times [2024-12-02 14:13:48,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:48,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029802990] [2024-12-02 14:13:48,553 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 14:13:48,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:48,569 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-02 14:13:48,570 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 14:13:48,805 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 14:13:48,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:48,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029802990] [2024-12-02 14:13:48,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029802990] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:48,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:48,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:13:48,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412698645] [2024-12-02 14:13:48,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:48,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:13:48,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:48,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:13:48,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:13:48,821 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 38 [2024-12-02 14:13:48,821 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 90 transitions, 877 flow. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 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 14:13:48,822 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:48,822 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 38 [2024-12-02 14:13:48,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:49,347 INFO L124 PetriNetUnfolderBase]: 1097/1984 cut-off events. [2024-12-02 14:13:49,347 INFO L125 PetriNetUnfolderBase]: For 4820/4820 co-relation queries the response was YES. [2024-12-02 14:13:49,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7532 conditions, 1984 events. 1097/1984 cut-off events. For 4820/4820 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 11236 event pairs, 192 based on Foata normal form. 12/1996 useless extension candidates. Maximal degree in co-relation 7068. Up to 608 conditions per place. [2024-12-02 14:13:49,355 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 101 selfloop transitions, 45 changer transitions 0/146 dead transitions. [2024-12-02 14:13:49,356 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 146 transitions, 1356 flow [2024-12-02 14:13:49,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 14:13:49,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-12-02 14:13:49,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 139 transitions. [2024-12-02 14:13:49,357 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.33253588516746413 [2024-12-02 14:13:49,357 INFO L175 Difference]: Start difference. First operand has 128 places, 90 transitions, 877 flow. Second operand 11 states and 139 transitions. [2024-12-02 14:13:49,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 146 transitions, 1356 flow [2024-12-02 14:13:49,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 146 transitions, 1309 flow, removed 8 selfloop flow, removed 3 redundant places. [2024-12-02 14:13:49,371 INFO L231 Difference]: Finished difference. Result has 138 places, 92 transitions, 979 flow [2024-12-02 14:13:49,372 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=979, PETRI_PLACES=138, PETRI_TRANSITIONS=92} [2024-12-02 14:13:49,372 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 99 predicate places. [2024-12-02 14:13:49,372 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 92 transitions, 979 flow [2024-12-02 14:13:49,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 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 14:13:49,372 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:49,373 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:49,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 14:13:49,373 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:49,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:49,373 INFO L85 PathProgramCache]: Analyzing trace with hash -817303580, now seen corresponding path program 4 times [2024-12-02 14:13:49,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:49,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033120188] [2024-12-02 14:13:49,373 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 14:13:49,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:49,390 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 14:13:49,390 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 14:13:49,629 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 14:13:49,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:49,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033120188] [2024-12-02 14:13:49,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033120188] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:49,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:49,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:13:49,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380864963] [2024-12-02 14:13:49,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:49,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:13:49,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:49,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:13:49,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:13:49,646 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 38 [2024-12-02 14:13:49,646 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 92 transitions, 979 flow. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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 14:13:49,646 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:49,647 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 38 [2024-12-02 14:13:49,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:50,103 INFO L124 PetriNetUnfolderBase]: 960/1824 cut-off events. [2024-12-02 14:13:50,103 INFO L125 PetriNetUnfolderBase]: For 5849/5849 co-relation queries the response was YES. [2024-12-02 14:13:50,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7344 conditions, 1824 events. 960/1824 cut-off events. For 5849/5849 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 10824 event pairs, 160 based on Foata normal form. 12/1830 useless extension candidates. Maximal degree in co-relation 7036. Up to 456 conditions per place. [2024-12-02 14:13:50,110 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 93 selfloop transitions, 34 changer transitions 0/136 dead transitions. [2024-12-02 14:13:50,110 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 136 transitions, 1354 flow [2024-12-02 14:13:50,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 14:13:50,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-12-02 14:13:50,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 125 transitions. [2024-12-02 14:13:50,111 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3654970760233918 [2024-12-02 14:13:50,111 INFO L175 Difference]: Start difference. First operand has 138 places, 92 transitions, 979 flow. Second operand 9 states and 125 transitions. [2024-12-02 14:13:50,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 136 transitions, 1354 flow [2024-12-02 14:13:50,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 136 transitions, 1281 flow, removed 4 selfloop flow, removed 11 redundant places. [2024-12-02 14:13:50,123 INFO L231 Difference]: Finished difference. Result has 135 places, 92 transitions, 979 flow [2024-12-02 14:13:50,123 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=894, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=979, PETRI_PLACES=135, PETRI_TRANSITIONS=92} [2024-12-02 14:13:50,124 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 96 predicate places. [2024-12-02 14:13:50,124 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 92 transitions, 979 flow [2024-12-02 14:13:50,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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 14:13:50,124 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:50,124 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:50,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 14:13:50,124 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:50,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:50,125 INFO L85 PathProgramCache]: Analyzing trace with hash 873129159, now seen corresponding path program 1 times [2024-12-02 14:13:50,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:50,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671894653] [2024-12-02 14:13:50,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:50,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:50,427 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 14:13:50,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:50,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671894653] [2024-12-02 14:13:50,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671894653] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:50,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:50,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 14:13:50,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969199472] [2024-12-02 14:13:50,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:50,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 14:13:50,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:50,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 14:13:50,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:13:50,451 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-12-02 14:13:50,451 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 92 transitions, 979 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 14:13:50,451 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:50,451 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-12-02 14:13:50,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:50,902 INFO L124 PetriNetUnfolderBase]: 775/1588 cut-off events. [2024-12-02 14:13:50,902 INFO L125 PetriNetUnfolderBase]: For 5791/5791 co-relation queries the response was YES. [2024-12-02 14:13:50,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6572 conditions, 1588 events. 775/1588 cut-off events. For 5791/5791 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 9913 event pairs, 166 based on Foata normal form. 42/1618 useless extension candidates. Maximal degree in co-relation 6431. Up to 658 conditions per place. [2024-12-02 14:13:50,909 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 58 selfloop transitions, 23 changer transitions 37/131 dead transitions. [2024-12-02 14:13:50,909 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 131 transitions, 1295 flow [2024-12-02 14:13:50,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 14:13:50,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-12-02 14:13:50,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 157 transitions. [2024-12-02 14:13:50,910 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3442982456140351 [2024-12-02 14:13:50,910 INFO L175 Difference]: Start difference. First operand has 135 places, 92 transitions, 979 flow. Second operand 12 states and 157 transitions. [2024-12-02 14:13:50,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 131 transitions, 1295 flow [2024-12-02 14:13:50,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 131 transitions, 1183 flow, removed 7 selfloop flow, removed 10 redundant places. [2024-12-02 14:13:50,928 INFO L231 Difference]: Finished difference. Result has 134 places, 75 transitions, 733 flow [2024-12-02 14:13:50,928 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=836, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=733, PETRI_PLACES=134, PETRI_TRANSITIONS=75} [2024-12-02 14:13:50,928 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 95 predicate places. [2024-12-02 14:13:50,928 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 75 transitions, 733 flow [2024-12-02 14:13:50,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 14:13:50,929 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:50,929 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:50,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 14:13:50,929 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:50,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:50,929 INFO L85 PathProgramCache]: Analyzing trace with hash -2128633757, now seen corresponding path program 2 times [2024-12-02 14:13:50,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:50,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165620240] [2024-12-02 14:13:50,930 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 14:13:50,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:50,951 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 14:13:50,951 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 14:13:51,364 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 14:13:51,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:51,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165620240] [2024-12-02 14:13:51,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165620240] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:51,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:51,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 14:13:51,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642126063] [2024-12-02 14:13:51,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:51,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 14:13:51,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:51,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 14:13:51,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:13:51,390 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-12-02 14:13:51,391 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 75 transitions, 733 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 14:13:51,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:51,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-12-02 14:13:51,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:51,789 INFO L124 PetriNetUnfolderBase]: 565/1142 cut-off events. [2024-12-02 14:13:51,789 INFO L125 PetriNetUnfolderBase]: For 3260/3260 co-relation queries the response was YES. [2024-12-02 14:13:51,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4475 conditions, 1142 events. 565/1142 cut-off events. For 3260/3260 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 6481 event pairs, 152 based on Foata normal form. 14/1148 useless extension candidates. Maximal degree in co-relation 4402. Up to 766 conditions per place. [2024-12-02 14:13:51,792 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 59 selfloop transitions, 22 changer transitions 25/117 dead transitions. [2024-12-02 14:13:51,792 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 117 transitions, 1048 flow [2024-12-02 14:13:51,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 14:13:51,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 14:13:51,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 168 transitions. [2024-12-02 14:13:51,793 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.340080971659919 [2024-12-02 14:13:51,793 INFO L175 Difference]: Start difference. First operand has 134 places, 75 transitions, 733 flow. Second operand 13 states and 168 transitions. [2024-12-02 14:13:51,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 117 transitions, 1048 flow [2024-12-02 14:13:51,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 117 transitions, 971 flow, removed 3 selfloop flow, removed 12 redundant places. [2024-12-02 14:13:51,798 INFO L231 Difference]: Finished difference. Result has 121 places, 68 transitions, 628 flow [2024-12-02 14:13:51,799 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=628, PETRI_PLACES=121, PETRI_TRANSITIONS=68} [2024-12-02 14:13:51,799 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 82 predicate places. [2024-12-02 14:13:51,799 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 68 transitions, 628 flow [2024-12-02 14:13:51,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 14:13:51,799 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:51,799 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:51,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 14:13:51,799 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:51,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:51,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1900100309, now seen corresponding path program 1 times [2024-12-02 14:13:51,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:51,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51818552] [2024-12-02 14:13:51,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:51,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:52,095 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 14:13:52,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:52,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51818552] [2024-12-02 14:13:52,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51818552] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:52,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:52,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 14:13:52,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959561413] [2024-12-02 14:13:52,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:52,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 14:13:52,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:52,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 14:13:52,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:13:52,118 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-12-02 14:13:52,119 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 68 transitions, 628 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 14:13:52,119 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:52,119 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-12-02 14:13:52,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:52,479 INFO L124 PetriNetUnfolderBase]: 487/986 cut-off events. [2024-12-02 14:13:52,479 INFO L125 PetriNetUnfolderBase]: For 2471/2471 co-relation queries the response was YES. [2024-12-02 14:13:52,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3780 conditions, 986 events. 487/986 cut-off events. For 2471/2471 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 5339 event pairs, 136 based on Foata normal form. 12/990 useless extension candidates. Maximal degree in co-relation 3710. Up to 654 conditions per place. [2024-12-02 14:13:52,482 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 46 selfloop transitions, 14 changer transitions 35/104 dead transitions. [2024-12-02 14:13:52,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 104 transitions, 903 flow [2024-12-02 14:13:52,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 14:13:52,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 14:13:52,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 159 transitions. [2024-12-02 14:13:52,483 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.32186234817813764 [2024-12-02 14:13:52,483 INFO L175 Difference]: Start difference. First operand has 121 places, 68 transitions, 628 flow. Second operand 13 states and 159 transitions. [2024-12-02 14:13:52,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 104 transitions, 903 flow [2024-12-02 14:13:52,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 104 transitions, 814 flow, removed 1 selfloop flow, removed 16 redundant places. [2024-12-02 14:13:52,489 INFO L231 Difference]: Finished difference. Result has 111 places, 55 transitions, 433 flow [2024-12-02 14:13:52,489 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=433, PETRI_PLACES=111, PETRI_TRANSITIONS=55} [2024-12-02 14:13:52,489 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 72 predicate places. [2024-12-02 14:13:52,489 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 55 transitions, 433 flow [2024-12-02 14:13:52,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 14:13:52,489 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:52,489 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:52,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 14:13:52,490 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:52,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:52,490 INFO L85 PathProgramCache]: Analyzing trace with hash 925198435, now seen corresponding path program 3 times [2024-12-02 14:13:52,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:52,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862859569] [2024-12-02 14:13:52,490 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 14:13:52,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:52,509 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-02 14:13:52,509 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 14:13:52,814 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 14:13:52,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:52,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862859569] [2024-12-02 14:13:52,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862859569] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:52,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:52,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 14:13:52,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345785855] [2024-12-02 14:13:52,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:52,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 14:13:52,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:52,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 14:13:52,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:13:52,840 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-12-02 14:13:52,840 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 55 transitions, 433 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 14:13:52,840 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:52,841 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-12-02 14:13:52,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:53,201 INFO L124 PetriNetUnfolderBase]: 381/782 cut-off events. [2024-12-02 14:13:53,201 INFO L125 PetriNetUnfolderBase]: For 1571/1571 co-relation queries the response was YES. [2024-12-02 14:13:53,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2800 conditions, 782 events. 381/782 cut-off events. For 1571/1571 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 4106 event pairs, 80 based on Foata normal form. 14/792 useless extension candidates. Maximal degree in co-relation 2766. Up to 475 conditions per place. [2024-12-02 14:13:53,203 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 36 selfloop transitions, 19 changer transitions 25/87 dead transitions. [2024-12-02 14:13:53,203 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 87 transitions, 675 flow [2024-12-02 14:13:53,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 14:13:53,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-12-02 14:13:53,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 156 transitions. [2024-12-02 14:13:53,204 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2932330827067669 [2024-12-02 14:13:53,204 INFO L175 Difference]: Start difference. First operand has 111 places, 55 transitions, 433 flow. Second operand 14 states and 156 transitions. [2024-12-02 14:13:53,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 87 transitions, 675 flow [2024-12-02 14:13:53,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 87 transitions, 580 flow, removed 3 selfloop flow, removed 20 redundant places. [2024-12-02 14:13:53,207 INFO L231 Difference]: Finished difference. Result has 87 places, 44 transitions, 313 flow [2024-12-02 14:13:53,208 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=313, PETRI_PLACES=87, PETRI_TRANSITIONS=44} [2024-12-02 14:13:53,208 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 48 predicate places. [2024-12-02 14:13:53,208 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 44 transitions, 313 flow [2024-12-02 14:13:53,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 14:13:53,208 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:53,208 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:53,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 14:13:53,208 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:53,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:53,209 INFO L85 PathProgramCache]: Analyzing trace with hash 658965205, now seen corresponding path program 2 times [2024-12-02 14:13:53,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:53,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938446171] [2024-12-02 14:13:53,209 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 14:13:53,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:53,222 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 14:13:53,222 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 14:13:53,476 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 14:13:53,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:53,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938446171] [2024-12-02 14:13:53,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938446171] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:53,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:53,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 14:13:53,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610577372] [2024-12-02 14:13:53,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:53,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 14:13:53,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:53,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 14:13:53,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:13:53,499 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-12-02 14:13:53,499 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 44 transitions, 313 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 14:13:53,499 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:53,499 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-12-02 14:13:53,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:53,725 INFO L124 PetriNetUnfolderBase]: 303/620 cut-off events. [2024-12-02 14:13:53,725 INFO L125 PetriNetUnfolderBase]: For 883/883 co-relation queries the response was YES. [2024-12-02 14:13:53,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2165 conditions, 620 events. 303/620 cut-off events. For 883/883 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 3016 event pairs, 65 based on Foata normal form. 12/628 useless extension candidates. Maximal degree in co-relation 2139. Up to 363 conditions per place. [2024-12-02 14:13:53,726 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 29 selfloop transitions, 12 changer transitions 28/74 dead transitions. [2024-12-02 14:13:53,726 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 74 transitions, 532 flow [2024-12-02 14:13:53,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 14:13:53,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-12-02 14:13:53,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 134 transitions. [2024-12-02 14:13:53,727 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.29385964912280704 [2024-12-02 14:13:53,727 INFO L175 Difference]: Start difference. First operand has 87 places, 44 transitions, 313 flow. Second operand 12 states and 134 transitions. [2024-12-02 14:13:53,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 74 transitions, 532 flow [2024-12-02 14:13:53,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 74 transitions, 478 flow, removed 1 selfloop flow, removed 13 redundant places. [2024-12-02 14:13:53,729 INFO L231 Difference]: Finished difference. Result has 73 places, 35 transitions, 217 flow [2024-12-02 14:13:53,729 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=259, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=217, PETRI_PLACES=73, PETRI_TRANSITIONS=35} [2024-12-02 14:13:53,729 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 34 predicate places. [2024-12-02 14:13:53,729 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 35 transitions, 217 flow [2024-12-02 14:13:53,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 14:13:53,730 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:53,730 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:53,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 14:13:53,730 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:53,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:53,730 INFO L85 PathProgramCache]: Analyzing trace with hash 520085141, now seen corresponding path program 3 times [2024-12-02 14:13:53,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:53,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751357908] [2024-12-02 14:13:53,730 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 14:13:53,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:53,744 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-02 14:13:53,744 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 14:13:53,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 14:13:53,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:53,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751357908] [2024-12-02 14:13:53,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751357908] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:53,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:53,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 14:13:53,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994832793] [2024-12-02 14:13:53,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:53,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 14:13:53,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:53,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 14:13:53,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:13:54,006 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-12-02 14:13:54,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 35 transitions, 217 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 14:13:54,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:54,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-12-02 14:13:54,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:54,225 INFO L124 PetriNetUnfolderBase]: 192/405 cut-off events. [2024-12-02 14:13:54,226 INFO L125 PetriNetUnfolderBase]: For 623/623 co-relation queries the response was YES. [2024-12-02 14:13:54,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1362 conditions, 405 events. 192/405 cut-off events. For 623/623 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1801 event pairs, 32 based on Foata normal form. 24/429 useless extension candidates. Maximal degree in co-relation 1353. Up to 139 conditions per place. [2024-12-02 14:13:54,227 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 22 selfloop transitions, 9 changer transitions 24/57 dead transitions. [2024-12-02 14:13:54,227 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 57 transitions, 379 flow [2024-12-02 14:13:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 14:13:54,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-12-02 14:13:54,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 116 transitions. [2024-12-02 14:13:54,228 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.27751196172248804 [2024-12-02 14:13:54,228 INFO L175 Difference]: Start difference. First operand has 73 places, 35 transitions, 217 flow. Second operand 11 states and 116 transitions. [2024-12-02 14:13:54,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 57 transitions, 379 flow [2024-12-02 14:13:54,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 57 transitions, 325 flow, removed 5 selfloop flow, removed 11 redundant places. [2024-12-02 14:13:54,230 INFO L231 Difference]: Finished difference. Result has 61 places, 25 transitions, 126 flow [2024-12-02 14:13:54,230 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=163, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=126, PETRI_PLACES=61, PETRI_TRANSITIONS=25} [2024-12-02 14:13:54,230 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 22 predicate places. [2024-12-02 14:13:54,230 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 25 transitions, 126 flow [2024-12-02 14:13:54,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 14:13:54,230 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:54,231 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:54,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 14:13:54,231 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:54,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:54,231 INFO L85 PathProgramCache]: Analyzing trace with hash 433393331, now seen corresponding path program 4 times [2024-12-02 14:13:54,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:54,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654729037] [2024-12-02 14:13:54,231 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 14:13:54,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:54,245 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 14:13:54,245 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 14:13:54,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 14:13:54,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:54,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654729037] [2024-12-02 14:13:54,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654729037] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:13:54,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175657339] [2024-12-02 14:13:54,514 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 14:13:54,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:13:54,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b82f5b7-4ce6-4b65-aea9-907d3673026f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:13:54,516 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b82f5b7-4ce6-4b65-aea9-907d3673026f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:13:54,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b82f5b7-4ce6-4b65-aea9-907d3673026f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:13:54,652 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 14:13:54,652 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 14:13:54,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 14:13:54,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:13:54,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-12-02 14:13:54,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 14:13:54,754 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:13:54,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175657339] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:54,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:13:54,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 12 [2024-12-02 14:13:54,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294384235] [2024-12-02 14:13:54,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:54,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:13:54,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:54,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:13:54,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:13:54,755 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38 [2024-12-02 14:13:54,755 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 25 transitions, 126 flow. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 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 14:13:54,755 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:54,755 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38 [2024-12-02 14:13:54,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:54,871 INFO L124 PetriNetUnfolderBase]: 55/136 cut-off events. [2024-12-02 14:13:54,871 INFO L125 PetriNetUnfolderBase]: For 97/97 co-relation queries the response was YES. [2024-12-02 14:13:54,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 444 conditions, 136 events. 55/136 cut-off events. For 97/97 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 374 event pairs, 4 based on Foata normal form. 4/140 useless extension candidates. Maximal degree in co-relation 437. Up to 43 conditions per place. [2024-12-02 14:13:54,871 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 30 selfloop transitions, 7 changer transitions 0/40 dead transitions. [2024-12-02 14:13:54,871 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 40 transitions, 251 flow [2024-12-02 14:13:54,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:13:54,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-12-02 14:13:54,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 94 transitions. [2024-12-02 14:13:54,872 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.41228070175438597 [2024-12-02 14:13:54,872 INFO L175 Difference]: Start difference. First operand has 61 places, 25 transitions, 126 flow. Second operand 6 states and 94 transitions. [2024-12-02 14:13:54,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 40 transitions, 251 flow [2024-12-02 14:13:54,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 40 transitions, 194 flow, removed 1 selfloop flow, removed 16 redundant places. [2024-12-02 14:13:54,873 INFO L231 Difference]: Finished difference. Result has 42 places, 27 transitions, 100 flow [2024-12-02 14:13:54,873 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=100, PETRI_PLACES=42, PETRI_TRANSITIONS=27} [2024-12-02 14:13:54,878 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 3 predicate places. [2024-12-02 14:13:54,878 INFO L471 AbstractCegarLoop]: Abstraction has has 42 places, 27 transitions, 100 flow [2024-12-02 14:13:54,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 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 14:13:54,878 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 14:13:54,879 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:13:54,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b82f5b7-4ce6-4b65-aea9-907d3673026f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:13:55,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b82f5b7-4ce6-4b65-aea9-907d3673026f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:13:55,079 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 14:13:55,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:13:55,080 INFO L85 PathProgramCache]: Analyzing trace with hash 547489570, now seen corresponding path program 1 times [2024-12-02 14:13:55,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:13:55,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420293734] [2024-12-02 14:13:55,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:13:55,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:13:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:13:55,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 14:13:55,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:13:55,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420293734] [2024-12-02 14:13:55,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420293734] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:13:55,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:13:55,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 14:13:55,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593700873] [2024-12-02 14:13:55,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:13:55,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 14:13:55,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:13:55,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 14:13:55,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 14:13:55,485 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-12-02 14:13:55,485 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 27 transitions, 100 flow. Second operand has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 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 14:13:55,485 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 14:13:55,485 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-12-02 14:13:55,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 14:13:55,722 INFO L124 PetriNetUnfolderBase]: 55/128 cut-off events. [2024-12-02 14:13:55,722 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-12-02 14:13:55,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 362 conditions, 128 events. 55/128 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 319 event pairs, 4 based on Foata normal form. 8/136 useless extension candidates. Maximal degree in co-relation 356. Up to 47 conditions per place. [2024-12-02 14:13:55,723 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 0 selfloop transitions, 0 changer transitions 42/42 dead transitions. [2024-12-02 14:13:55,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 42 transitions, 221 flow [2024-12-02 14:13:55,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 14:13:55,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-12-02 14:13:55,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 106 transitions. [2024-12-02 14:13:55,724 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2535885167464115 [2024-12-02 14:13:55,724 INFO L175 Difference]: Start difference. First operand has 42 places, 27 transitions, 100 flow. Second operand 11 states and 106 transitions. [2024-12-02 14:13:55,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 42 transitions, 221 flow [2024-12-02 14:13:55,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 42 transitions, 219 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 14:13:55,724 INFO L231 Difference]: Finished difference. Result has 49 places, 0 transitions, 0 flow [2024-12-02 14:13:55,724 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=0, PETRI_PLACES=49, PETRI_TRANSITIONS=0} [2024-12-02 14:13:55,725 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 10 predicate places. [2024-12-02 14:13:55,725 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 0 transitions, 0 flow [2024-12-02 14:13:55,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 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 14:13:55,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-12-02 14:13:55,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-12-02 14:13:55,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-12-02 14:13:55,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-12-02 14:13:55,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-12-02 14:13:55,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-12-02 14:13:55,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-12-02 14:13:55,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-12-02 14:13:55,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 14:13:55,728 INFO L422 BasicCegarLoop]: Path program histogram: [5, 4, 4, 3, 3, 2, 1, 1, 1, 1] [2024-12-02 14:13:55,732 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 14:13:55,732 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:13:55,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:13:55 BasicIcfg [2024-12-02 14:13:55,737 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:13:55,737 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:13:55,737 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:13:55,737 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:13:55,738 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:13:34" (3/4) ... [2024-12-02 14:13:55,740 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 14:13:55,743 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-12-02 14:13:55,749 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 122 nodes and edges [2024-12-02 14:13:55,749 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2024-12-02 14:13:55,750 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-02 14:13:55,750 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 14:13:55,824 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b82f5b7-4ce6-4b65-aea9-907d3673026f/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 14:13:55,824 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b82f5b7-4ce6-4b65-aea9-907d3673026f/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 14:13:55,824 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:13:55,825 INFO L158 Benchmark]: Toolchain (without parser) took 22725.41ms. Allocated memory was 142.6MB in the beginning and 536.9MB in the end (delta: 394.3MB). Free memory was 113.9MB in the beginning and 253.6MB in the end (delta: -139.6MB). Peak memory consumption was 257.2MB. Max. memory is 16.1GB. [2024-12-02 14:13:55,825 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:13:55,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.61ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 83.2MB in the end (delta: 30.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 14:13:55,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.73ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 80.7MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:13:55,826 INFO L158 Benchmark]: Boogie Preprocessor took 53.44ms. Allocated memory is still 142.6MB. Free memory was 80.7MB in the beginning and 77.4MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:13:55,826 INFO L158 Benchmark]: RCFGBuilder took 737.44ms. Allocated memory is still 142.6MB. Free memory was 77.4MB in the beginning and 89.5MB in the end (delta: -12.1MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2024-12-02 14:13:55,827 INFO L158 Benchmark]: TraceAbstraction took 21320.40ms. Allocated memory was 142.6MB in the beginning and 536.9MB in the end (delta: 394.3MB). Free memory was 89.0MB in the beginning and 261.9MB in the end (delta: -172.9MB). Peak memory consumption was 224.7MB. Max. memory is 16.1GB. [2024-12-02 14:13:55,827 INFO L158 Benchmark]: Witness Printer took 87.42ms. Allocated memory is still 536.9MB. Free memory was 261.9MB in the beginning and 253.6MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:13:55,828 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.61ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 83.2MB in the end (delta: 30.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.73ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 80.7MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.44ms. Allocated memory is still 142.6MB. Free memory was 80.7MB in the beginning and 77.4MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 737.44ms. Allocated memory is still 142.6MB. Free memory was 77.4MB in the beginning and 89.5MB in the end (delta: -12.1MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * TraceAbstraction took 21320.40ms. Allocated memory was 142.6MB in the beginning and 536.9MB in the end (delta: 394.3MB). Free memory was 89.0MB in the beginning and 261.9MB in the end (delta: -172.9MB). Peak memory consumption was 224.7MB. Max. memory is 16.1GB. * Witness Printer took 87.42ms. Allocated memory is still 536.9MB. Free memory was 261.9MB in the beginning and 253.6MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3905]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3905]: 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 4 procedures, 48 locations, 8 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: 21.2s, OverallIterations: 25, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2086 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1957 mSDsluCounter, 1521 SdHoareTripleChecker+Invalid, 5.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1409 mSDsCounter, 273 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7774 IncrementalHoareTripleChecker+Invalid, 8047 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 273 mSolverCounterUnsat, 112 mSDtfsCounter, 7774 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 343 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 294 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=979occurred in iteration=16, InterpolantAutomatonStates: 268, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 377 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 351 ConstructedInterpolants, 0 QuantifiedInterpolants, 3498 SizeOfPredicates, 6 NumberOfNonLiveVariables, 199 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 26 InterpolantComputations, 25 PerfectInterpolantSequences, 5/6 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 14:13:55,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b82f5b7-4ce6-4b65-aea9-907d3673026f/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