./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-3_2-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_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:09:27,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:09:28,024 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 04:09:28,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:09:28,029 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:09:28,065 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:09:28,065 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:09:28,065 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:09:28,066 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:09:28,066 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:09:28,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:09:28,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:09:28,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:09:28,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:09:28,067 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:09:28,067 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:09:28,067 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:09:28,067 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:09:28,067 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:09:28,067 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:09:28,067 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:09:28,068 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:09:28,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:09:28,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:09:28,068 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 04:09:28,068 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:09:28,068 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:09:28,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:09:28,068 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:09:28,068 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:09:28,069 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:09:28,069 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:09:28,069 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:09:28,071 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:09:28,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:09:28,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:09:28,072 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:09:28,072 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:09:28,072 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:09:28,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:09:28,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:09:28,072 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:09:28,072 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:09:28,072 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:09:28,073 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:09:28,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:09:28,073 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:09:28,073 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:09:28,073 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:09:28,073 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:09:28,073 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_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 [2024-11-28 04:09:28,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:09:28,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:09:28,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:09:28,402 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:09:28,403 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:09:28,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2024-11-28 04:09:31,418 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/data/92b3fe0b0/edec88aebeb249768fcedb7c1f35da75/FLAG5b49ac431 [2024-11-28 04:09:31,872 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:09:31,873 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2024-11-28 04:09:31,919 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/data/92b3fe0b0/edec88aebeb249768fcedb7c1f35da75/FLAG5b49ac431 [2024-11-28 04:09:31,980 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/data/92b3fe0b0/edec88aebeb249768fcedb7c1f35da75 [2024-11-28 04:09:31,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:09:31,985 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:09:31,987 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:09:31,987 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:09:31,992 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:09:31,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:09:31" (1/1) ... [2024-11-28 04:09:31,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73217b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:31, skipping insertion in model container [2024-11-28 04:09:31,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:09:31" (1/1) ... [2024-11-28 04:09:32,066 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:09:32,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:09:32,503 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:09:32,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:09:32,649 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:09:32,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:32 WrapperNode [2024-11-28 04:09:32,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:09:32,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:09:32,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:09:32,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:09:32,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:32" (1/1) ... [2024-11-28 04:09:32,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:32" (1/1) ... [2024-11-28 04:09:32,734 INFO L138 Inliner]: procedures = 246, calls = 44, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 145 [2024-11-28 04:09:32,735 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:09:32,737 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:09:32,737 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:09:32,737 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:09:32,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:32" (1/1) ... [2024-11-28 04:09:32,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:32" (1/1) ... [2024-11-28 04:09:32,756 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:32" (1/1) ... [2024-11-28 04:09:32,784 INFO L175 MemorySlicer]: Split 17 memory accesses to 3 slices as follows [2, 13, 2]. 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, 6, 2]. [2024-11-28 04:09:32,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:32" (1/1) ... [2024-11-28 04:09:32,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:32" (1/1) ... [2024-11-28 04:09:32,807 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:32" (1/1) ... [2024-11-28 04:09:32,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:32" (1/1) ... [2024-11-28 04:09:32,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:32" (1/1) ... [2024-11-28 04:09:32,816 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:32" (1/1) ... [2024-11-28 04:09:32,818 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:32" (1/1) ... [2024-11-28 04:09:32,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:09:32,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:09:32,825 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:09:32,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:09:32,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:32" (1/1) ... [2024-11-28 04:09:32,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:09:32,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:32,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:32,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:09:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-28 04:09:32,903 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-28 04:09:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 04:09:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:09:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:09:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 04:09:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:09:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:09:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:09:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:09:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:09:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:09:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:09:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 04:09:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 04:09:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 04:09:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:09:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:09:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:09:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:09:32,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:09:32,907 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 04:09:33,287 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:09:33,289 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:09:33,713 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:09:33,714 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:09:34,024 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:09:34,024 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 04:09:34,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:09:34 BoogieIcfgContainer [2024-11-28 04:09:34,025 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:09:34,029 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:09:34,029 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:09:34,033 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:09:34,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:09:31" (1/3) ... [2024-11-28 04:09:34,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737a1942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:09:34, skipping insertion in model container [2024-11-28 04:09:34,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:32" (2/3) ... [2024-11-28 04:09:34,036 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737a1942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:09:34, skipping insertion in model container [2024-11-28 04:09:34,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:09:34" (3/3) ... [2024-11-28 04:09:34,038 INFO L128 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2024-11-28 04:09:34,055 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:09:34,058 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-3_2-container_of-global.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-28 04:09:34,059 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:09:34,125 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 04:09:34,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 34 transitions, 82 flow [2024-11-28 04:09:34,216 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2024-11-28 04:09:34,222 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 04:09:34,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 37 events. 2/37 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 72 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 21. Up to 3 conditions per place. [2024-11-28 04:09:34,226 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 34 transitions, 82 flow [2024-11-28 04:09:34,230 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 28 transitions, 65 flow [2024-11-28 04:09:34,238 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:09:34,260 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;@7df8b0c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:09:34,260 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-28 04:09:34,271 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:09:34,271 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2024-11-28 04:09:34,271 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:09:34,271 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:09:34,272 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:34,273 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 04:09:34,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:34,281 INFO L85 PathProgramCache]: Analyzing trace with hash -504691518, now seen corresponding path program 1 times [2024-11-28 04:09:34,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:09:34,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324136396] [2024-11-28 04:09:34,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:34,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:35,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:35,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:35,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324136396] [2024-11-28 04:09:35,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324136396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:09:35,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:09:35,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:09:35,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638885710] [2024-11-28 04:09:35,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:09:35,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:09:35,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:09:35,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:09:35,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:09:35,419 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 04:09:35,422 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 28 transitions, 65 flow. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:35,423 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:09:35,424 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 04:09:35,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:09:36,284 INFO L124 PetriNetUnfolderBase]: 769/1310 cut-off events. [2024-11-28 04:09:36,284 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-11-28 04:09:36,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2642 conditions, 1310 events. 769/1310 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 6493 event pairs, 367 based on Foata normal form. 0/1090 useless extension candidates. Maximal degree in co-relation 2572. Up to 850 conditions per place. [2024-11-28 04:09:36,302 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 63 selfloop transitions, 20 changer transitions 2/86 dead transitions. [2024-11-28 04:09:36,302 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 86 transitions, 366 flow [2024-11-28 04:09:36,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:09:36,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 04:09:36,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 129 transitions. [2024-11-28 04:09:36,321 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.37941176470588234 [2024-11-28 04:09:36,324 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 65 flow. Second operand 10 states and 129 transitions. [2024-11-28 04:09:36,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 86 transitions, 366 flow [2024-11-28 04:09:36,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 86 transitions, 355 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-28 04:09:36,336 INFO L231 Difference]: Finished difference. Result has 46 places, 48 transitions, 188 flow [2024-11-28 04:09:36,340 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=188, PETRI_PLACES=46, PETRI_TRANSITIONS=48} [2024-11-28 04:09:36,346 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 11 predicate places. [2024-11-28 04:09:36,347 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 48 transitions, 188 flow [2024-11-28 04:09:36,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:36,347 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:09:36,347 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:36,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:09:36,347 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 04:09:36,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:36,349 INFO L85 PathProgramCache]: Analyzing trace with hash -263510488, now seen corresponding path program 1 times [2024-11-28 04:09:36,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:09:36,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967025215] [2024-11-28 04:09:36,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:36,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:36,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:36,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:36,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967025215] [2024-11-28 04:09:36,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967025215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:09:36,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:09:36,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:09:36,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905245387] [2024-11-28 04:09:36,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:09:36,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:09:36,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:09:36,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:09:36,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:09:36,880 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 04:09:36,880 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 48 transitions, 188 flow. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:36,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:09:36,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 04:09:36,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:09:37,563 INFO L124 PetriNetUnfolderBase]: 899/1554 cut-off events. [2024-11-28 04:09:37,563 INFO L125 PetriNetUnfolderBase]: For 770/770 co-relation queries the response was YES. [2024-11-28 04:09:37,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3993 conditions, 1554 events. 899/1554 cut-off events. For 770/770 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 8185 event pairs, 569 based on Foata normal form. 0/1372 useless extension candidates. Maximal degree in co-relation 3585. Up to 1126 conditions per place. [2024-11-28 04:09:37,579 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 63 selfloop transitions, 26 changer transitions 4/94 dead transitions. [2024-11-28 04:09:37,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 94 transitions, 534 flow [2024-11-28 04:09:37,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:09:37,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 04:09:37,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 123 transitions. [2024-11-28 04:09:37,581 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.36176470588235293 [2024-11-28 04:09:37,581 INFO L175 Difference]: Start difference. First operand has 46 places, 48 transitions, 188 flow. Second operand 10 states and 123 transitions. [2024-11-28 04:09:37,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 94 transitions, 534 flow [2024-11-28 04:09:37,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 94 transitions, 532 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:09:37,593 INFO L231 Difference]: Finished difference. Result has 57 places, 62 transitions, 327 flow [2024-11-28 04:09:37,594 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=327, PETRI_PLACES=57, PETRI_TRANSITIONS=62} [2024-11-28 04:09:37,597 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 22 predicate places. [2024-11-28 04:09:37,598 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 62 transitions, 327 flow [2024-11-28 04:09:37,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:37,598 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:09:37,599 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:37,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:09:37,599 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 04:09:37,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:37,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1753387897, now seen corresponding path program 1 times [2024-11-28 04:09:37,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:09:37,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650705027] [2024-11-28 04:09:37,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:37,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:38,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:38,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:38,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650705027] [2024-11-28 04:09:38,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650705027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:09:38,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:09:38,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:09:38,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187764197] [2024-11-28 04:09:38,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:09:38,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:09:38,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:09:38,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:09:38,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:09:38,231 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 04:09:38,231 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 62 transitions, 327 flow. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:38,231 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:09:38,231 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 04:09:38,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:09:39,133 INFO L124 PetriNetUnfolderBase]: 1170/2023 cut-off events. [2024-11-28 04:09:39,134 INFO L125 PetriNetUnfolderBase]: For 1932/1943 co-relation queries the response was YES. [2024-11-28 04:09:39,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6072 conditions, 2023 events. 1170/2023 cut-off events. For 1932/1943 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 11433 event pairs, 391 based on Foata normal form. 69/1950 useless extension candidates. Maximal degree in co-relation 5974. Up to 1101 conditions per place. [2024-11-28 04:09:39,147 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 75 selfloop transitions, 49 changer transitions 7/132 dead transitions. [2024-11-28 04:09:39,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 132 transitions, 868 flow [2024-11-28 04:09:39,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 04:09:39,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-28 04:09:39,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 186 transitions. [2024-11-28 04:09:39,150 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.34191176470588236 [2024-11-28 04:09:39,150 INFO L175 Difference]: Start difference. First operand has 57 places, 62 transitions, 327 flow. Second operand 16 states and 186 transitions. [2024-11-28 04:09:39,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 132 transitions, 868 flow [2024-11-28 04:09:39,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 132 transitions, 866 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:09:39,165 INFO L231 Difference]: Finished difference. Result has 75 places, 78 transitions, 566 flow [2024-11-28 04:09:39,166 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=566, PETRI_PLACES=75, PETRI_TRANSITIONS=78} [2024-11-28 04:09:39,166 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 40 predicate places. [2024-11-28 04:09:39,167 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 78 transitions, 566 flow [2024-11-28 04:09:39,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:39,167 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:09:39,168 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:39,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:09:39,168 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 04:09:39,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:39,168 INFO L85 PathProgramCache]: Analyzing trace with hash -37422999, now seen corresponding path program 1 times [2024-11-28 04:09:39,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:09:39,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728151894] [2024-11-28 04:09:39,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:39,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:39,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:39,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:39,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728151894] [2024-11-28 04:09:39,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728151894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:09:39,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:09:39,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:09:39,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293517148] [2024-11-28 04:09:39,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:09:39,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:09:39,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:09:39,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:09:39,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:09:39,681 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 04:09:39,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 78 transitions, 566 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:39,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:09:39,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 04:09:39,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:09:40,635 INFO L124 PetriNetUnfolderBase]: 1249/2202 cut-off events. [2024-11-28 04:09:40,636 INFO L125 PetriNetUnfolderBase]: For 4339/4350 co-relation queries the response was YES. [2024-11-28 04:09:40,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7873 conditions, 2202 events. 1249/2202 cut-off events. For 4339/4350 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 13017 event pairs, 607 based on Foata normal form. 45/2097 useless extension candidates. Maximal degree in co-relation 7761. Up to 1287 conditions per place. [2024-11-28 04:09:40,653 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 77 selfloop transitions, 41 changer transitions 5/124 dead transitions. [2024-11-28 04:09:40,653 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 124 transitions, 1019 flow [2024-11-28 04:09:40,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:09:40,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-28 04:09:40,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 153 transitions. [2024-11-28 04:09:40,656 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.375 [2024-11-28 04:09:40,657 INFO L175 Difference]: Start difference. First operand has 75 places, 78 transitions, 566 flow. Second operand 12 states and 153 transitions. [2024-11-28 04:09:40,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 124 transitions, 1019 flow [2024-11-28 04:09:40,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 124 transitions, 915 flow, removed 11 selfloop flow, removed 11 redundant places. [2024-11-28 04:09:40,675 INFO L231 Difference]: Finished difference. Result has 78 places, 82 transitions, 611 flow [2024-11-28 04:09:40,675 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=473, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=611, PETRI_PLACES=78, PETRI_TRANSITIONS=82} [2024-11-28 04:09:40,676 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 43 predicate places. [2024-11-28 04:09:40,676 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 82 transitions, 611 flow [2024-11-28 04:09:40,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:40,677 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:09:40,677 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:40,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:09:40,677 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 04:09:40,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:40,678 INFO L85 PathProgramCache]: Analyzing trace with hash -32060395, now seen corresponding path program 2 times [2024-11-28 04:09:40,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:09:40,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238040316] [2024-11-28 04:09:40,678 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:09:40,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:40,713 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:09:40,713 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:09:41,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:41,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:41,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238040316] [2024-11-28 04:09:41,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238040316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:09:41,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:09:41,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:09:41,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711809162] [2024-11-28 04:09:41,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:09:41,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:09:41,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:09:41,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:09:41,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:09:41,187 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 04:09:41,188 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 82 transitions, 611 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:41,188 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:09:41,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 04:09:41,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:09:42,271 INFO L124 PetriNetUnfolderBase]: 1484/2586 cut-off events. [2024-11-28 04:09:42,271 INFO L125 PetriNetUnfolderBase]: For 5673/5677 co-relation queries the response was YES. [2024-11-28 04:09:42,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9719 conditions, 2586 events. 1484/2586 cut-off events. For 5673/5677 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 15557 event pairs, 554 based on Foata normal form. 62/2472 useless extension candidates. Maximal degree in co-relation 9602. Up to 1326 conditions per place. [2024-11-28 04:09:42,292 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 88 selfloop transitions, 69 changer transitions 8/166 dead transitions. [2024-11-28 04:09:42,292 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 166 transitions, 1438 flow [2024-11-28 04:09:42,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 04:09:42,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-28 04:09:42,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 209 transitions. [2024-11-28 04:09:42,294 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3415032679738562 [2024-11-28 04:09:42,294 INFO L175 Difference]: Start difference. First operand has 78 places, 82 transitions, 611 flow. Second operand 18 states and 209 transitions. [2024-11-28 04:09:42,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 166 transitions, 1438 flow [2024-11-28 04:09:42,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 166 transitions, 1358 flow, removed 2 selfloop flow, removed 7 redundant places. [2024-11-28 04:09:42,322 INFO L231 Difference]: Finished difference. Result has 94 places, 105 transitions, 982 flow [2024-11-28 04:09:42,324 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=982, PETRI_PLACES=94, PETRI_TRANSITIONS=105} [2024-11-28 04:09:42,325 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 59 predicate places. [2024-11-28 04:09:42,325 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 105 transitions, 982 flow [2024-11-28 04:09:42,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:42,325 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:09:42,325 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:42,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:09:42,325 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 04:09:42,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:42,326 INFO L85 PathProgramCache]: Analyzing trace with hash -31858809, now seen corresponding path program 2 times [2024-11-28 04:09:42,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:09:42,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369549920] [2024-11-28 04:09:42,326 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:09:42,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:42,365 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:09:42,366 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:09:42,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:42,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:42,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369549920] [2024-11-28 04:09:42,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369549920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:09:42,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:09:42,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:09:42,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67602924] [2024-11-28 04:09:42,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:09:42,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:09:42,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:09:42,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:09:42,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:09:42,943 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 04:09:42,943 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 105 transitions, 982 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:42,943 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:09:42,943 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 04:09:42,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:09:44,201 INFO L124 PetriNetUnfolderBase]: 1588/2831 cut-off events. [2024-11-28 04:09:44,201 INFO L125 PetriNetUnfolderBase]: For 10646/10654 co-relation queries the response was YES. [2024-11-28 04:09:44,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12005 conditions, 2831 events. 1588/2831 cut-off events. For 10646/10654 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 17827 event pairs, 844 based on Foata normal form. 60/2711 useless extension candidates. Maximal degree in co-relation 11878. Up to 1496 conditions per place. [2024-11-28 04:09:44,226 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 83 selfloop transitions, 63 changer transitions 6/153 dead transitions. [2024-11-28 04:09:44,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 153 transitions, 1534 flow [2024-11-28 04:09:44,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 04:09:44,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-28 04:09:44,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 170 transitions. [2024-11-28 04:09:44,228 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.35714285714285715 [2024-11-28 04:09:44,228 INFO L175 Difference]: Start difference. First operand has 94 places, 105 transitions, 982 flow. Second operand 14 states and 170 transitions. [2024-11-28 04:09:44,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 153 transitions, 1534 flow [2024-11-28 04:09:44,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 153 transitions, 1455 flow, removed 10 selfloop flow, removed 8 redundant places. [2024-11-28 04:09:44,266 INFO L231 Difference]: Finished difference. Result has 102 places, 108 transitions, 1120 flow [2024-11-28 04:09:44,267 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=912, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1120, PETRI_PLACES=102, PETRI_TRANSITIONS=108} [2024-11-28 04:09:44,268 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 67 predicate places. [2024-11-28 04:09:44,270 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 108 transitions, 1120 flow [2024-11-28 04:09:44,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:44,270 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:09:44,271 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:44,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:09:44,271 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 04:09:44,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:44,272 INFO L85 PathProgramCache]: Analyzing trace with hash 162080601, now seen corresponding path program 3 times [2024-11-28 04:09:44,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:09:44,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848155197] [2024-11-28 04:09:44,272 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:09:44,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:44,302 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 04:09:44,306 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:09:44,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:44,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:44,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848155197] [2024-11-28 04:09:44,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848155197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:09:44,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:09:44,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:09:44,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099518062] [2024-11-28 04:09:44,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:09:44,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:09:44,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:09:44,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:09:44,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:09:44,725 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 04:09:44,726 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 108 transitions, 1120 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:44,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:09:44,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 04:09:44,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:09:45,869 INFO L124 PetriNetUnfolderBase]: 1493/2680 cut-off events. [2024-11-28 04:09:45,869 INFO L125 PetriNetUnfolderBase]: For 11532/11534 co-relation queries the response was YES. [2024-11-28 04:09:45,881 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11869 conditions, 2680 events. 1493/2680 cut-off events. For 11532/11534 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 16891 event pairs, 629 based on Foata normal form. 56/2578 useless extension candidates. Maximal degree in co-relation 11735. Up to 1611 conditions per place. [2024-11-28 04:09:45,893 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 109 selfloop transitions, 74 changer transitions 5/189 dead transitions. [2024-11-28 04:09:45,893 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 189 transitions, 2070 flow [2024-11-28 04:09:45,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 04:09:45,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-28 04:09:45,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 211 transitions. [2024-11-28 04:09:45,895 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.34477124183006536 [2024-11-28 04:09:45,895 INFO L175 Difference]: Start difference. First operand has 102 places, 108 transitions, 1120 flow. Second operand 18 states and 211 transitions. [2024-11-28 04:09:45,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 189 transitions, 2070 flow [2024-11-28 04:09:45,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 189 transitions, 1953 flow, removed 4 selfloop flow, removed 11 redundant places. [2024-11-28 04:09:45,936 INFO L231 Difference]: Finished difference. Result has 113 places, 127 transitions, 1472 flow [2024-11-28 04:09:45,937 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1010, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1472, PETRI_PLACES=113, PETRI_TRANSITIONS=127} [2024-11-28 04:09:45,939 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 78 predicate places. [2024-11-28 04:09:45,940 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 127 transitions, 1472 flow [2024-11-28 04:09:45,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:45,940 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:09:45,940 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:45,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:09:45,941 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 04:09:45,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:45,941 INFO L85 PathProgramCache]: Analyzing trace with hash 162080825, now seen corresponding path program 3 times [2024-11-28 04:09:45,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:09:45,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031804882] [2024-11-28 04:09:45,942 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:09:45,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:45,970 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 04:09:45,970 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:09:46,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:46,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:46,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031804882] [2024-11-28 04:09:46,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031804882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:09:46,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:09:46,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:09:46,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88243192] [2024-11-28 04:09:46,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:09:46,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:09:46,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:09:46,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:09:46,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:09:46,389 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 04:09:46,389 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 127 transitions, 1472 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:46,389 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:09:46,389 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 04:09:46,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:09:47,373 INFO L124 PetriNetUnfolderBase]: 1527/2802 cut-off events. [2024-11-28 04:09:47,374 INFO L125 PetriNetUnfolderBase]: For 15258/15275 co-relation queries the response was YES. [2024-11-28 04:09:47,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13154 conditions, 2802 events. 1527/2802 cut-off events. For 15258/15275 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 18241 event pairs, 920 based on Foata normal form. 68/2718 useless extension candidates. Maximal degree in co-relation 12268. Up to 1802 conditions per place. [2024-11-28 04:09:47,402 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 109 selfloop transitions, 60 changer transitions 10/180 dead transitions. [2024-11-28 04:09:47,402 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 180 transitions, 2200 flow [2024-11-28 04:09:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 04:09:47,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-28 04:09:47,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 169 transitions. [2024-11-28 04:09:47,405 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3550420168067227 [2024-11-28 04:09:47,405 INFO L175 Difference]: Start difference. First operand has 113 places, 127 transitions, 1472 flow. Second operand 14 states and 169 transitions. [2024-11-28 04:09:47,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 180 transitions, 2200 flow [2024-11-28 04:09:47,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 180 transitions, 2065 flow, removed 19 selfloop flow, removed 12 redundant places. [2024-11-28 04:09:47,457 INFO L231 Difference]: Finished difference. Result has 117 places, 132 transitions, 1579 flow [2024-11-28 04:09:47,457 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1356, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1579, PETRI_PLACES=117, PETRI_TRANSITIONS=132} [2024-11-28 04:09:47,458 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 82 predicate places. [2024-11-28 04:09:47,459 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 132 transitions, 1579 flow [2024-11-28 04:09:47,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:47,460 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:09:47,460 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:47,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:09:47,460 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 04:09:47,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:47,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1115384781, now seen corresponding path program 1 times [2024-11-28 04:09:47,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:09:47,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967791613] [2024-11-28 04:09:47,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:47,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:47,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:47,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:47,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967791613] [2024-11-28 04:09:47,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967791613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:09:47,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:09:47,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:09:47,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590792484] [2024-11-28 04:09:47,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:09:47,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:09:47,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:09:47,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:09:47,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:09:47,569 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 34 [2024-11-28 04:09:47,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 132 transitions, 1579 flow. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:47,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:09:47,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 34 [2024-11-28 04:09:47,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:09:47,911 INFO L124 PetriNetUnfolderBase]: 756/1427 cut-off events. [2024-11-28 04:09:47,911 INFO L125 PetriNetUnfolderBase]: For 8242/8242 co-relation queries the response was YES. [2024-11-28 04:09:47,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6524 conditions, 1427 events. 756/1427 cut-off events. For 8242/8242 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 8732 event pairs, 56 based on Foata normal form. 0/1355 useless extension candidates. Maximal degree in co-relation 5889. Up to 834 conditions per place. [2024-11-28 04:09:47,923 INFO L140 encePairwiseOnDemand]: 31/34 looper letters, 207 selfloop transitions, 7 changer transitions 6/220 dead transitions. [2024-11-28 04:09:47,923 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 220 transitions, 3102 flow [2024-11-28 04:09:47,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:09:47,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 04:09:47,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 66 transitions. [2024-11-28 04:09:47,925 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4852941176470588 [2024-11-28 04:09:47,925 INFO L175 Difference]: Start difference. First operand has 117 places, 132 transitions, 1579 flow. Second operand 4 states and 66 transitions. [2024-11-28 04:09:47,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 220 transitions, 3102 flow [2024-11-28 04:09:47,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 220 transitions, 2967 flow, removed 15 selfloop flow, removed 8 redundant places. [2024-11-28 04:09:47,953 INFO L231 Difference]: Finished difference. Result has 109 places, 92 transitions, 978 flow [2024-11-28 04:09:47,953 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=990, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=978, PETRI_PLACES=109, PETRI_TRANSITIONS=92} [2024-11-28 04:09:47,954 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 74 predicate places. [2024-11-28 04:09:47,954 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 92 transitions, 978 flow [2024-11-28 04:09:47,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:47,954 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:09:47,954 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:47,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:09:47,955 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 04:09:47,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:47,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1524550870, now seen corresponding path program 1 times [2024-11-28 04:09:47,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:09:47,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517575761] [2024-11-28 04:09:47,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:47,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:48,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:48,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:48,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517575761] [2024-11-28 04:09:48,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517575761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:09:48,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:09:48,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:09:48,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012098326] [2024-11-28 04:09:48,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:09:48,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:09:48,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:09:48,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:09:48,481 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:09:48,481 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 04:09:48,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 92 transitions, 978 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:48,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:09:48,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 04:09:48,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:09:49,126 INFO L124 PetriNetUnfolderBase]: 642/1225 cut-off events. [2024-11-28 04:09:49,126 INFO L125 PetriNetUnfolderBase]: For 6123/6123 co-relation queries the response was YES. [2024-11-28 04:09:49,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6119 conditions, 1225 events. 642/1225 cut-off events. For 6123/6123 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 6810 event pairs, 159 based on Foata normal form. 0/1145 useless extension candidates. Maximal degree in co-relation 5982. Up to 306 conditions per place. [2024-11-28 04:09:49,138 INFO L140 encePairwiseOnDemand]: 26/34 looper letters, 105 selfloop transitions, 37 changer transitions 0/142 dead transitions. [2024-11-28 04:09:49,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 142 transitions, 1501 flow [2024-11-28 04:09:49,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 04:09:49,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-28 04:09:49,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 134 transitions. [2024-11-28 04:09:49,140 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3582887700534759 [2024-11-28 04:09:49,140 INFO L175 Difference]: Start difference. First operand has 109 places, 92 transitions, 978 flow. Second operand 11 states and 134 transitions. [2024-11-28 04:09:49,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 142 transitions, 1501 flow [2024-11-28 04:09:49,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 142 transitions, 1464 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-28 04:09:49,181 INFO L231 Difference]: Finished difference. Result has 120 places, 94 transitions, 1086 flow [2024-11-28 04:09:49,182 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=968, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1086, PETRI_PLACES=120, PETRI_TRANSITIONS=94} [2024-11-28 04:09:49,182 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 85 predicate places. [2024-11-28 04:09:49,182 INFO L471 AbstractCegarLoop]: Abstraction has has 120 places, 94 transitions, 1086 flow [2024-11-28 04:09:49,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:49,183 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:09:49,183 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:49,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:09:49,183 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 04:09:49,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:49,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1749510291, now seen corresponding path program 1 times [2024-11-28 04:09:49,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:09:49,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456434495] [2024-11-28 04:09:49,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:49,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:49,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:49,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:49,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456434495] [2024-11-28 04:09:49,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456434495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:09:49,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:09:49,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 04:09:49,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501108965] [2024-11-28 04:09:49,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:09:49,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:09:49,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:09:49,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:09:49,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:09:49,844 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 04:09:49,844 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 94 transitions, 1086 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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) [2024-11-28 04:09:49,844 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:09:49,844 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 04:09:49,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:09:51,169 INFO L124 PetriNetUnfolderBase]: 658/1253 cut-off events. [2024-11-28 04:09:51,169 INFO L125 PetriNetUnfolderBase]: For 8233/8233 co-relation queries the response was YES. [2024-11-28 04:09:51,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6381 conditions, 1253 events. 658/1253 cut-off events. For 8233/8233 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 7083 event pairs, 98 based on Foata normal form. 30/1243 useless extension candidates. Maximal degree in co-relation 6235. Up to 444 conditions per place. [2024-11-28 04:09:51,182 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 107 selfloop transitions, 67 changer transitions 22/196 dead transitions. [2024-11-28 04:09:51,182 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 196 transitions, 1961 flow [2024-11-28 04:09:51,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-28 04:09:51,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2024-11-28 04:09:51,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 272 transitions. [2024-11-28 04:09:51,186 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2857142857142857 [2024-11-28 04:09:51,186 INFO L175 Difference]: Start difference. First operand has 120 places, 94 transitions, 1086 flow. Second operand 28 states and 272 transitions. [2024-11-28 04:09:51,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 196 transitions, 1961 flow [2024-11-28 04:09:51,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 196 transitions, 1881 flow, removed 15 selfloop flow, removed 4 redundant places. [2024-11-28 04:09:51,233 INFO L231 Difference]: Finished difference. Result has 147 places, 101 transitions, 1264 flow [2024-11-28 04:09:51,234 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=996, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=1264, PETRI_PLACES=147, PETRI_TRANSITIONS=101} [2024-11-28 04:09:51,235 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 112 predicate places. [2024-11-28 04:09:51,235 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 101 transitions, 1264 flow [2024-11-28 04:09:51,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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) [2024-11-28 04:09:51,235 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:09:51,235 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:51,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:09:51,236 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 04:09:51,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:51,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1747636342, now seen corresponding path program 2 times [2024-11-28 04:09:51,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:09:51,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704522737] [2024-11-28 04:09:51,237 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:09:51,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:51,269 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:09:51,270 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:09:51,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:51,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:51,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704522737] [2024-11-28 04:09:51,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704522737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:09:51,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:09:51,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:09:51,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128281920] [2024-11-28 04:09:51,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:09:51,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:09:51,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:09:51,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:09:51,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:09:51,504 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 04:09:51,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 101 transitions, 1264 flow. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:51,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:09:51,504 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 04:09:51,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:09:52,008 INFO L124 PetriNetUnfolderBase]: 672/1289 cut-off events. [2024-11-28 04:09:52,008 INFO L125 PetriNetUnfolderBase]: For 9322/9322 co-relation queries the response was YES. [2024-11-28 04:09:52,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6653 conditions, 1289 events. 672/1289 cut-off events. For 9322/9322 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 7314 event pairs, 213 based on Foata normal form. 30/1263 useless extension candidates. Maximal degree in co-relation 6536. Up to 402 conditions per place. [2024-11-28 04:09:52,019 INFO L140 encePairwiseOnDemand]: 27/34 looper letters, 106 selfloop transitions, 23 changer transitions 14/143 dead transitions. [2024-11-28 04:09:52,020 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 143 transitions, 1760 flow [2024-11-28 04:09:52,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:09:52,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 04:09:52,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 116 transitions. [2024-11-28 04:09:52,022 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3790849673202614 [2024-11-28 04:09:52,022 INFO L175 Difference]: Start difference. First operand has 147 places, 101 transitions, 1264 flow. Second operand 9 states and 116 transitions. [2024-11-28 04:09:52,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 143 transitions, 1760 flow [2024-11-28 04:09:52,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 143 transitions, 1579 flow, removed 37 selfloop flow, removed 18 redundant places. [2024-11-28 04:09:52,077 INFO L231 Difference]: Finished difference. Result has 136 places, 91 transitions, 1044 flow [2024-11-28 04:09:52,077 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1097, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1044, PETRI_PLACES=136, PETRI_TRANSITIONS=91} [2024-11-28 04:09:52,080 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 101 predicate places. [2024-11-28 04:09:52,080 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 91 transitions, 1044 flow [2024-11-28 04:09:52,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:52,080 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:09:52,080 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:52,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:09:52,080 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 04:09:52,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:52,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1603530772, now seen corresponding path program 1 times [2024-11-28 04:09:52,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:09:52,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537427855] [2024-11-28 04:09:52,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:52,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:52,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:52,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:52,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537427855] [2024-11-28 04:09:52,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537427855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:09:52,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:09:52,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:09:52,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163235548] [2024-11-28 04:09:52,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:09:52,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:09:52,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:09:52,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:09:52,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:09:52,332 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 04:09:52,332 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 91 transitions, 1044 flow. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:52,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:09:52,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 04:09:52,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:09:52,779 INFO L124 PetriNetUnfolderBase]: 536/1035 cut-off events. [2024-11-28 04:09:52,779 INFO L125 PetriNetUnfolderBase]: For 6394/6394 co-relation queries the response was YES. [2024-11-28 04:09:52,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5178 conditions, 1035 events. 536/1035 cut-off events. For 6394/6394 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 5554 event pairs, 170 based on Foata normal form. 0/1011 useless extension candidates. Maximal degree in co-relation 5085. Up to 352 conditions per place. [2024-11-28 04:09:52,789 INFO L140 encePairwiseOnDemand]: 27/34 looper letters, 99 selfloop transitions, 22 changer transitions 0/121 dead transitions. [2024-11-28 04:09:52,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 121 transitions, 1401 flow [2024-11-28 04:09:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:09:52,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-28 04:09:52,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 102 transitions. [2024-11-28 04:09:52,790 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.375 [2024-11-28 04:09:52,791 INFO L175 Difference]: Start difference. First operand has 136 places, 91 transitions, 1044 flow. Second operand 8 states and 102 transitions. [2024-11-28 04:09:52,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 121 transitions, 1401 flow [2024-11-28 04:09:52,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 121 transitions, 1309 flow, removed 21 selfloop flow, removed 10 redundant places. [2024-11-28 04:09:52,829 INFO L231 Difference]: Finished difference. Result has 133 places, 93 transitions, 1049 flow [2024-11-28 04:09:52,830 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=960, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1049, PETRI_PLACES=133, PETRI_TRANSITIONS=93} [2024-11-28 04:09:52,830 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 98 predicate places. [2024-11-28 04:09:52,831 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 93 transitions, 1049 flow [2024-11-28 04:09:52,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:52,831 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:09:52,831 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:52,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 04:09:52,831 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 04:09:52,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:52,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1603530771, now seen corresponding path program 1 times [2024-11-28 04:09:52,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:09:52,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414245756] [2024-11-28 04:09:52,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:52,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:53,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:53,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:53,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414245756] [2024-11-28 04:09:53,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414245756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:09:53,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:09:53,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 04:09:53,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227107476] [2024-11-28 04:09:53,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:09:53,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:09:53,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:09:53,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:09:53,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:09:53,443 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 04:09:53,443 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 93 transitions, 1049 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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) [2024-11-28 04:09:53,444 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:09:53,444 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 04:09:53,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:09:54,284 INFO L124 PetriNetUnfolderBase]: 560/1091 cut-off events. [2024-11-28 04:09:54,285 INFO L125 PetriNetUnfolderBase]: For 6910/6910 co-relation queries the response was YES. [2024-11-28 04:09:54,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5420 conditions, 1091 events. 560/1091 cut-off events. For 6910/6910 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 6033 event pairs, 177 based on Foata normal form. 32/1123 useless extension candidates. Maximal degree in co-relation 5327. Up to 368 conditions per place. [2024-11-28 04:09:54,293 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 80 selfloop transitions, 38 changer transitions 36/154 dead transitions. [2024-11-28 04:09:54,293 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 154 transitions, 1659 flow [2024-11-28 04:09:54,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 04:09:54,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-28 04:09:54,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 198 transitions. [2024-11-28 04:09:54,298 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2911764705882353 [2024-11-28 04:09:54,298 INFO L175 Difference]: Start difference. First operand has 133 places, 93 transitions, 1049 flow. Second operand 20 states and 198 transitions. [2024-11-28 04:09:54,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 154 transitions, 1659 flow [2024-11-28 04:09:54,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 154 transitions, 1621 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-11-28 04:09:54,332 INFO L231 Difference]: Finished difference. Result has 151 places, 81 transitions, 955 flow [2024-11-28 04:09:54,333 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1002, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=955, PETRI_PLACES=151, PETRI_TRANSITIONS=81} [2024-11-28 04:09:54,333 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 116 predicate places. [2024-11-28 04:09:54,333 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 81 transitions, 955 flow [2024-11-28 04:09:54,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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) [2024-11-28 04:09:54,334 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:09:54,334 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:54,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:09:54,334 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 04:09:54,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:54,335 INFO L85 PathProgramCache]: Analyzing trace with hash -551526517, now seen corresponding path program 2 times [2024-11-28 04:09:54,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:09:54,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756837362] [2024-11-28 04:09:54,335 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:09:54,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:54,361 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:09:54,361 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:09:54,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:54,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:54,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756837362] [2024-11-28 04:09:54,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756837362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:09:54,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:09:54,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 04:09:54,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811964519] [2024-11-28 04:09:54,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:09:54,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:09:54,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:09:54,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:09:54,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:09:54,801 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 04:09:54,801 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 81 transitions, 955 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:54,801 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:09:54,801 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 04:09:54,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:09:55,654 INFO L124 PetriNetUnfolderBase]: 427/830 cut-off events. [2024-11-28 04:09:55,655 INFO L125 PetriNetUnfolderBase]: For 5514/5514 co-relation queries the response was YES. [2024-11-28 04:09:55,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4323 conditions, 830 events. 427/830 cut-off events. For 5514/5514 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 4239 event pairs, 90 based on Foata normal form. 10/840 useless extension candidates. Maximal degree in co-relation 4245. Up to 326 conditions per place. [2024-11-28 04:09:55,662 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 50 selfloop transitions, 34 changer transitions 42/126 dead transitions. [2024-11-28 04:09:55,662 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 126 transitions, 1346 flow [2024-11-28 04:09:55,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 04:09:55,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-28 04:09:55,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 186 transitions. [2024-11-28 04:09:55,664 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2735294117647059 [2024-11-28 04:09:55,664 INFO L175 Difference]: Start difference. First operand has 151 places, 81 transitions, 955 flow. Second operand 20 states and 186 transitions. [2024-11-28 04:09:55,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 126 transitions, 1346 flow [2024-11-28 04:09:55,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 126 transitions, 1192 flow, removed 18 selfloop flow, removed 23 redundant places. [2024-11-28 04:09:55,686 INFO L231 Difference]: Finished difference. Result has 137 places, 64 transitions, 706 flow [2024-11-28 04:09:55,687 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=706, PETRI_PLACES=137, PETRI_TRANSITIONS=64} [2024-11-28 04:09:55,687 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 102 predicate places. [2024-11-28 04:09:55,688 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 64 transitions, 706 flow [2024-11-28 04:09:55,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:55,688 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:09:55,688 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:55,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 04:09:55,688 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 04:09:55,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:55,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1148334774, now seen corresponding path program 2 times [2024-11-28 04:09:55,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:09:55,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761834022] [2024-11-28 04:09:55,689 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:09:55,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:55,717 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:09:55,720 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:09:56,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:56,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:56,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761834022] [2024-11-28 04:09:56,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761834022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:09:56,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:09:56,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:09:56,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323305591] [2024-11-28 04:09:56,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:09:56,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:09:56,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:09:56,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:09:56,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:09:56,047 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 04:09:56,047 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 64 transitions, 706 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:56,047 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:09:56,047 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 04:09:56,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:09:56,491 INFO L124 PetriNetUnfolderBase]: 401/774 cut-off events. [2024-11-28 04:09:56,492 INFO L125 PetriNetUnfolderBase]: For 3732/3732 co-relation queries the response was YES. [2024-11-28 04:09:56,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3726 conditions, 774 events. 401/774 cut-off events. For 3732/3732 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3880 event pairs, 102 based on Foata normal form. 24/798 useless extension candidates. Maximal degree in co-relation 3678. Up to 334 conditions per place. [2024-11-28 04:09:56,498 INFO L140 encePairwiseOnDemand]: 25/34 looper letters, 67 selfloop transitions, 27 changer transitions 0/94 dead transitions. [2024-11-28 04:09:56,498 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 94 transitions, 1002 flow [2024-11-28 04:09:56,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:09:56,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 04:09:56,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 102 transitions. [2024-11-28 04:09:56,499 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2024-11-28 04:09:56,499 INFO L175 Difference]: Start difference. First operand has 137 places, 64 transitions, 706 flow. Second operand 9 states and 102 transitions. [2024-11-28 04:09:56,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 94 transitions, 1002 flow [2024-11-28 04:09:56,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 94 transitions, 887 flow, removed 10 selfloop flow, removed 20 redundant places. [2024-11-28 04:09:56,513 INFO L231 Difference]: Finished difference. Result has 110 places, 68 transitions, 708 flow [2024-11-28 04:09:56,513 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=598, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=708, PETRI_PLACES=110, PETRI_TRANSITIONS=68} [2024-11-28 04:09:56,514 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 75 predicate places. [2024-11-28 04:09:56,514 INFO L471 AbstractCegarLoop]: Abstraction has has 110 places, 68 transitions, 708 flow [2024-11-28 04:09:56,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:56,514 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:09:56,514 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:56,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 04:09:56,515 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 04:09:56,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:56,515 INFO L85 PathProgramCache]: Analyzing trace with hash 946928395, now seen corresponding path program 2 times [2024-11-28 04:09:56,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:09:56,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982279582] [2024-11-28 04:09:56,515 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:09:56,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:56,536 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:09:56,536 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:09:56,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:56,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:56,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982279582] [2024-11-28 04:09:56,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982279582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:09:56,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:09:56,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 04:09:56,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381740985] [2024-11-28 04:09:56,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:09:56,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:09:56,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:09:56,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:09:56,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:09:56,965 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 04:09:56,965 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 68 transitions, 708 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:56,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:09:56,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 04:09:56,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:09:57,642 INFO L124 PetriNetUnfolderBase]: 438/855 cut-off events. [2024-11-28 04:09:57,642 INFO L125 PetriNetUnfolderBase]: For 3179/3179 co-relation queries the response was YES. [2024-11-28 04:09:57,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4065 conditions, 855 events. 438/855 cut-off events. For 3179/3179 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4506 event pairs, 94 based on Foata normal form. 24/879 useless extension candidates. Maximal degree in co-relation 4023. Up to 272 conditions per place. [2024-11-28 04:09:57,648 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 49 selfloop transitions, 30 changer transitions 35/114 dead transitions. [2024-11-28 04:09:57,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 114 transitions, 1172 flow [2024-11-28 04:09:57,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 04:09:57,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-28 04:09:57,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 160 transitions. [2024-11-28 04:09:57,650 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2768166089965398 [2024-11-28 04:09:57,650 INFO L175 Difference]: Start difference. First operand has 110 places, 68 transitions, 708 flow. Second operand 17 states and 160 transitions. [2024-11-28 04:09:57,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 114 transitions, 1172 flow [2024-11-28 04:09:57,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 114 transitions, 1157 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-28 04:09:57,665 INFO L231 Difference]: Finished difference. Result has 126 places, 59 transitions, 631 flow [2024-11-28 04:09:57,665 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=695, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=631, PETRI_PLACES=126, PETRI_TRANSITIONS=59} [2024-11-28 04:09:57,666 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 91 predicate places. [2024-11-28 04:09:57,666 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 59 transitions, 631 flow [2024-11-28 04:09:57,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:57,666 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:09:57,666 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:57,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 04:09:57,666 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 04:09:57,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:57,667 INFO L85 PathProgramCache]: Analyzing trace with hash -578285588, now seen corresponding path program 3 times [2024-11-28 04:09:57,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:09:57,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333714443] [2024-11-28 04:09:57,667 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:09:57,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:57,688 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 04:09:57,689 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:09:57,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:57,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:57,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333714443] [2024-11-28 04:09:57,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333714443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:09:57,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:09:57,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:09:57,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529312838] [2024-11-28 04:09:57,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:09:57,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:09:57,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:09:57,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:09:57,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:09:57,883 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 04:09:57,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 59 transitions, 631 flow. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:57,884 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:09:57,884 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 04:09:57,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:09:58,191 INFO L124 PetriNetUnfolderBase]: 270/545 cut-off events. [2024-11-28 04:09:58,191 INFO L125 PetriNetUnfolderBase]: For 2120/2120 co-relation queries the response was YES. [2024-11-28 04:09:58,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2586 conditions, 545 events. 270/545 cut-off events. For 2120/2120 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2599 event pairs, 34 based on Foata normal form. 30/575 useless extension candidates. Maximal degree in co-relation 2540. Up to 286 conditions per place. [2024-11-28 04:09:58,196 INFO L140 encePairwiseOnDemand]: 28/34 looper letters, 55 selfloop transitions, 14 changer transitions 6/75 dead transitions. [2024-11-28 04:09:58,196 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 75 transitions, 813 flow [2024-11-28 04:09:58,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:09:58,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 04:09:58,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 79 transitions. [2024-11-28 04:09:58,198 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3319327731092437 [2024-11-28 04:09:58,198 INFO L175 Difference]: Start difference. First operand has 126 places, 59 transitions, 631 flow. Second operand 7 states and 79 transitions. [2024-11-28 04:09:58,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 75 transitions, 813 flow [2024-11-28 04:09:58,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 75 transitions, 681 flow, removed 7 selfloop flow, removed 23 redundant places. [2024-11-28 04:09:58,207 INFO L231 Difference]: Finished difference. Result has 102 places, 51 transitions, 431 flow [2024-11-28 04:09:58,208 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=431, PETRI_PLACES=102, PETRI_TRANSITIONS=51} [2024-11-28 04:09:58,209 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 67 predicate places. [2024-11-28 04:09:58,209 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 51 transitions, 431 flow [2024-11-28 04:09:58,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:09:58,209 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:09:58,210 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:58,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 04:09:58,210 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 04:09:58,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:58,210 INFO L85 PathProgramCache]: Analyzing trace with hash -578285587, now seen corresponding path program 3 times [2024-11-28 04:09:58,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:09:58,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835437165] [2024-11-28 04:09:58,211 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:09:58,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:58,236 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 04:09:58,237 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:09:58,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:58,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:58,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835437165] [2024-11-28 04:09:58,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835437165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:09:58,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:09:58,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 04:09:58,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616880306] [2024-11-28 04:09:58,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:09:58,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:09:58,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:09:58,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:09:58,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:09:58,721 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 04:09:58,721 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 51 transitions, 431 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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) [2024-11-28 04:09:58,721 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:09:58,721 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 04:09:58,721 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:09:59,362 INFO L124 PetriNetUnfolderBase]: 206/423 cut-off events. [2024-11-28 04:09:59,362 INFO L125 PetriNetUnfolderBase]: For 906/906 co-relation queries the response was YES. [2024-11-28 04:09:59,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1863 conditions, 423 events. 206/423 cut-off events. For 906/906 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1913 event pairs, 44 based on Foata normal form. 20/443 useless extension candidates. Maximal degree in co-relation 1842. Up to 222 conditions per place. [2024-11-28 04:09:59,365 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 30 selfloop transitions, 13 changer transitions 41/84 dead transitions. [2024-11-28 04:09:59,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 84 transitions, 709 flow [2024-11-28 04:09:59,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 04:09:59,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-28 04:09:59,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 149 transitions. [2024-11-28 04:09:59,367 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2434640522875817 [2024-11-28 04:09:59,367 INFO L175 Difference]: Start difference. First operand has 102 places, 51 transitions, 431 flow. Second operand 18 states and 149 transitions. [2024-11-28 04:09:59,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 84 transitions, 709 flow [2024-11-28 04:09:59,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 84 transitions, 657 flow, removed 6 selfloop flow, removed 9 redundant places. [2024-11-28 04:09:59,373 INFO L231 Difference]: Finished difference. Result has 100 places, 30 transitions, 206 flow [2024-11-28 04:09:59,373 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=206, PETRI_PLACES=100, PETRI_TRANSITIONS=30} [2024-11-28 04:09:59,374 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 65 predicate places. [2024-11-28 04:09:59,374 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 30 transitions, 206 flow [2024-11-28 04:09:59,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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) [2024-11-28 04:09:59,374 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:09:59,374 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:59,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 04:09:59,375 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 04:09:59,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:59,375 INFO L85 PathProgramCache]: Analyzing trace with hash -321252907, now seen corresponding path program 3 times [2024-11-28 04:09:59,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:09:59,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373616176] [2024-11-28 04:09:59,376 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:09:59,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:59,401 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-28 04:09:59,402 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:09:59,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:59,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:59,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373616176] [2024-11-28 04:09:59,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373616176] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:09:59,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995196320] [2024-11-28 04:09:59,924 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:09:59,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:09:59,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:59,927 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:09:59,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:10:00,202 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-28 04:10:00,202 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:10:00,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-28 04:10:00,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:10:00,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-28 04:10:00,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-28 04:10:00,619 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:10:00,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 14 [2024-11-28 04:10:00,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-28 04:10:00,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:10:00,683 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:10:01,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:10:01,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995196320] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:10:01,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:10:01,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 9] total 27 [2024-11-28 04:10:01,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124247700] [2024-11-28 04:10:01,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:10:01,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-28 04:10:01,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:10:01,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-28 04:10:01,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=642, Unknown=0, NotChecked=0, Total=756 [2024-11-28 04:10:01,089 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 04:10:01,090 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 30 transitions, 206 flow. Second operand has 28 states, 28 states have (on average 5.428571428571429) internal successors, (152), 28 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:10:01,090 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:10:01,090 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 04:10:01,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:10:02,417 INFO L124 PetriNetUnfolderBase]: 103/212 cut-off events. [2024-11-28 04:10:02,417 INFO L125 PetriNetUnfolderBase]: For 292/292 co-relation queries the response was YES. [2024-11-28 04:10:02,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 869 conditions, 212 events. 103/212 cut-off events. For 292/292 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 740 event pairs, 2 based on Foata normal form. 24/236 useless extension candidates. Maximal degree in co-relation 852. Up to 40 conditions per place. [2024-11-28 04:10:02,419 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 30 selfloop transitions, 24 changer transitions 25/79 dead transitions. [2024-11-28 04:10:02,419 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 79 transitions, 583 flow [2024-11-28 04:10:02,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-28 04:10:02,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2024-11-28 04:10:02,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 181 transitions. [2024-11-28 04:10:02,421 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.21294117647058824 [2024-11-28 04:10:02,421 INFO L175 Difference]: Start difference. First operand has 100 places, 30 transitions, 206 flow. Second operand 25 states and 181 transitions. [2024-11-28 04:10:02,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 79 transitions, 583 flow [2024-11-28 04:10:02,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 79 transitions, 474 flow, removed 13 selfloop flow, removed 22 redundant places. [2024-11-28 04:10:02,424 INFO L231 Difference]: Finished difference. Result has 75 places, 32 transitions, 185 flow [2024-11-28 04:10:02,424 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=185, PETRI_PLACES=75, PETRI_TRANSITIONS=32} [2024-11-28 04:10:02,424 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 40 predicate places. [2024-11-28 04:10:02,424 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 32 transitions, 185 flow [2024-11-28 04:10:02,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.428571428571429) internal successors, (152), 28 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:10:02,425 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:10:02,425 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:10:02,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:10:02,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:10:02,626 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 04:10:02,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:10:02,626 INFO L85 PathProgramCache]: Analyzing trace with hash -310528148, now seen corresponding path program 3 times [2024-11-28 04:10:02,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:10:02,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913233626] [2024-11-28 04:10:02,626 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:10:02,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:10:02,656 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-28 04:10:02,656 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:10:03,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:10:03,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:10:03,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913233626] [2024-11-28 04:10:03,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913233626] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:10:03,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804294749] [2024-11-28 04:10:03,118 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:10:03,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:10:03,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:10:03,120 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:10:03,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:10:03,297 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-28 04:10:03,297 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:10:03,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-28 04:10:03,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:10:03,323 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-28 04:10:03,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2024-11-28 04:10:03,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-28 04:10:03,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-28 04:10:03,589 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:10:03,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 14 [2024-11-28 04:10:03,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-28 04:10:03,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:10:03,637 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:10:03,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:10:03,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804294749] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:10:03,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:10:03,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 9] total 27 [2024-11-28 04:10:03,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040372921] [2024-11-28 04:10:03,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:10:03,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-28 04:10:03,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:10:03,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-28 04:10:03,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=630, Unknown=0, NotChecked=0, Total=756 [2024-11-28 04:10:03,989 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-28 04:10:03,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 32 transitions, 185 flow. Second operand has 28 states, 28 states have (on average 5.428571428571429) internal successors, (152), 28 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:10:03,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:10:03,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-28 04:10:03,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:10:04,581 INFO L124 PetriNetUnfolderBase]: 45/98 cut-off events. [2024-11-28 04:10:04,581 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2024-11-28 04:10:04,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 98 events. 45/98 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 231 event pairs, 0 based on Foata normal form. 8/106 useless extension candidates. Maximal degree in co-relation 353. Up to 20 conditions per place. [2024-11-28 04:10:04,582 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 0 selfloop transitions, 0 changer transitions 47/47 dead transitions. [2024-11-28 04:10:04,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 47 transitions, 294 flow [2024-11-28 04:10:04,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 04:10:04,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-28 04:10:04,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 117 transitions. [2024-11-28 04:10:04,587 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.20242214532871972 [2024-11-28 04:10:04,587 INFO L175 Difference]: Start difference. First operand has 75 places, 32 transitions, 185 flow. Second operand 17 states and 117 transitions. [2024-11-28 04:10:04,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 47 transitions, 294 flow [2024-11-28 04:10:04,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 47 transitions, 242 flow, removed 9 selfloop flow, removed 13 redundant places. [2024-11-28 04:10:04,588 INFO L231 Difference]: Finished difference. Result has 62 places, 0 transitions, 0 flow [2024-11-28 04:10:04,588 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=0, PETRI_PLACES=62, PETRI_TRANSITIONS=0} [2024-11-28 04:10:04,589 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 27 predicate places. [2024-11-28 04:10:04,589 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 0 transitions, 0 flow [2024-11-28 04:10:04,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.428571428571429) internal successors, (152), 28 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:10:04,592 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-11-28 04:10:04,592 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-11-28 04:10:04,593 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-28 04:10:04,593 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-28 04:10:04,593 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-28 04:10:04,593 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-28 04:10:04,593 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-28 04:10:04,593 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-28 04:10:04,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 04:10:04,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:10:04,798 INFO L422 BasicCegarLoop]: Path program histogram: [3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-28 04:10:04,803 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 04:10:04,803 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:10:04,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:10:04 BasicIcfg [2024-11-28 04:10:04,811 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:10:04,812 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:10:04,812 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:10:04,812 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:10:04,813 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:09:34" (3/4) ... [2024-11-28 04:10:04,815 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:10:04,818 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-11-28 04:10:04,828 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 120 nodes and edges [2024-11-28 04:10:04,828 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2024-11-28 04:10:04,829 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-28 04:10:04,829 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:10:04,925 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:10:04,925 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:10:04,925 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:10:04,926 INFO L158 Benchmark]: Toolchain (without parser) took 32941.29ms. Allocated memory was 117.4MB in the beginning and 385.9MB in the end (delta: 268.4MB). Free memory was 89.4MB in the beginning and 314.0MB in the end (delta: -224.6MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2024-11-28 04:10:04,927 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 73.2MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:10:04,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 665.45ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 58.8MB in the end (delta: 30.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 04:10:04,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.45ms. Allocated memory is still 117.4MB. Free memory was 58.5MB in the beginning and 56.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:10:04,929 INFO L158 Benchmark]: Boogie Preprocessor took 86.79ms. Allocated memory is still 117.4MB. Free memory was 56.3MB in the beginning and 52.9MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:10:04,929 INFO L158 Benchmark]: RCFGBuilder took 1200.91ms. Allocated memory is still 117.4MB. Free memory was 52.6MB in the beginning and 58.5MB in the end (delta: -5.9MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-11-28 04:10:04,930 INFO L158 Benchmark]: TraceAbstraction took 30782.93ms. Allocated memory was 117.4MB in the beginning and 385.9MB in the end (delta: 268.4MB). Free memory was 58.0MB in the beginning and 321.2MB in the end (delta: -263.3MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2024-11-28 04:10:04,930 INFO L158 Benchmark]: Witness Printer took 113.29ms. Allocated memory is still 385.9MB. Free memory was 321.2MB in the beginning and 314.0MB in the end (delta: 7.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:10:04,932 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 73.2MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 665.45ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 58.8MB in the end (delta: 30.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.45ms. Allocated memory is still 117.4MB. Free memory was 58.5MB in the beginning and 56.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 86.79ms. Allocated memory is still 117.4MB. Free memory was 56.3MB in the beginning and 52.9MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1200.91ms. Allocated memory is still 117.4MB. Free memory was 52.6MB in the beginning and 58.5MB in the end (delta: -5.9MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * TraceAbstraction took 30782.93ms. Allocated memory was 117.4MB in the beginning and 385.9MB in the end (delta: 268.4MB). Free memory was 58.0MB in the beginning and 321.2MB in the end (delta: -263.3MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Witness Printer took 113.29ms. Allocated memory is still 385.9MB. Free memory was 321.2MB in the beginning and 314.0MB in the end (delta: 7.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3914]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3914]: 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, 42 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: 30.6s, OverallIterations: 21, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 17.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1687 SdHoareTripleChecker+Valid, 7.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1686 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 6.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 296 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6668 IncrementalHoareTripleChecker+Invalid, 6964 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 296 mSolverCounterUnsat, 1 mSDtfsCounter, 6668 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 407 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 354 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1447 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1579occurred in iteration=8, InterpolantAutomatonStates: 305, 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, 0.5s SatisfiabilityAnalysisTime, 10.9s InterpolantComputationTime, 300 NumberOfCodeBlocks, 300 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 303 ConstructedInterpolants, 4 QuantifiedInterpolants, 3028 SizeOfPredicates, 24 NumberOfNonLiveVariables, 365 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 25 InterpolantComputations, 19 PerfectInterpolantSequences, 1/9 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! [2024-11-28 04:10:04,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_671d3d12-d1df-463c-865a-f7227c9076ff/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE