./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 6883737711af32a6a824eca7af237353e2fdaf7712a6b3c22083c0d47b565ee7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 23:37:05,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 23:37:05,822 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 23:37:05,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 23:37:05,828 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 23:37:05,854 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 23:37:05,855 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 23:37:05,856 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 23:37:05,856 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 23:37:05,857 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 23:37:05,857 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 23:37:05,857 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 23:37:05,858 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 23:37:05,860 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 23:37:05,860 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 23:37:05,860 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 23:37:05,860 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 23:37:05,861 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 23:37:05,861 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 23:37:05,861 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 23:37:05,861 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 23:37:05,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 23:37:05,863 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 23:37:05,863 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 23:37:05,863 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 23:37:05,864 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 23:37:05,864 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 23:37:05,864 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 23:37:05,864 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 23:37:05,864 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 23:37:05,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 23:37:05,865 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 23:37:05,865 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 23:37:05,865 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 23:37:05,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:37:05,866 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 23:37:05,866 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 23:37:05,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 23:37:05,867 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 23:37:05,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 23:37:05,867 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 23:37:05,871 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 23:37:05,871 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 23:37:05,872 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 23:37:05,872 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6883737711af32a6a824eca7af237353e2fdaf7712a6b3c22083c0d47b565ee7 [2024-10-24 23:37:06,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 23:37:06,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 23:37:06,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 23:37:06,113 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 23:37:06,113 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 23:37:06,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-10-24 23:37:07,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 23:37:07,675 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 23:37:07,676 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-10-24 23:37:07,691 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f171b2289/d8da4aa79f1c4176bb906ceac907be12/FLAGaf19ccf4f [2024-10-24 23:37:07,707 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f171b2289/d8da4aa79f1c4176bb906ceac907be12 [2024-10-24 23:37:07,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 23:37:07,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 23:37:07,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 23:37:07,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 23:37:07,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 23:37:07,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:37:07" (1/1) ... [2024-10-24 23:37:07,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af6369e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:07, skipping insertion in model container [2024-10-24 23:37:07,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:37:07" (1/1) ... [2024-10-24 23:37:07,754 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 23:37:08,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:37:08,059 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 23:37:08,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:37:08,205 INFO L204 MainTranslator]: Completed translation [2024-10-24 23:37:08,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:08 WrapperNode [2024-10-24 23:37:08,206 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 23:37:08,207 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 23:37:08,207 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 23:37:08,207 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 23:37:08,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:08" (1/1) ... [2024-10-24 23:37:08,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:08" (1/1) ... [2024-10-24 23:37:08,258 INFO L138 Inliner]: procedures = 165, calls = 47, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 196 [2024-10-24 23:37:08,263 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 23:37:08,263 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 23:37:08,263 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 23:37:08,263 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 23:37:08,277 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:08" (1/1) ... [2024-10-24 23:37:08,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:08" (1/1) ... [2024-10-24 23:37:08,282 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:08" (1/1) ... [2024-10-24 23:37:08,302 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 5, 5, 5]. 29 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 5, 5]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-10-24 23:37:08,302 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:08" (1/1) ... [2024-10-24 23:37:08,303 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:08" (1/1) ... [2024-10-24 23:37:08,306 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:08" (1/1) ... [2024-10-24 23:37:08,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:08" (1/1) ... [2024-10-24 23:37:08,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:08" (1/1) ... [2024-10-24 23:37:08,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:08" (1/1) ... [2024-10-24 23:37:08,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 23:37:08,313 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 23:37:08,313 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 23:37:08,313 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 23:37:08,314 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:08" (1/1) ... [2024-10-24 23:37:08,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:37:08,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:37:08,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 23:37:08,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 23:37:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-24 23:37:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 23:37:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-24 23:37:08,393 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-24 23:37:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 23:37:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 23:37:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 23:37:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 23:37:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-24 23:37:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 23:37:08,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 23:37:08,396 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 23:37:08,517 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 23:37:08,518 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 23:37:08,770 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 23:37:08,773 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 23:37:08,999 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 23:37:09,000 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 23:37:09,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:37:09 BoogieIcfgContainer [2024-10-24 23:37:09,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 23:37:09,003 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 23:37:09,004 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 23:37:09,006 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 23:37:09,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:37:07" (1/3) ... [2024-10-24 23:37:09,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@171bcfd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:37:09, skipping insertion in model container [2024-10-24 23:37:09,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:08" (2/3) ... [2024-10-24 23:37:09,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@171bcfd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:37:09, skipping insertion in model container [2024-10-24 23:37:09,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:37:09" (3/3) ... [2024-10-24 23:37:09,009 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-10-24 23:37:09,022 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 23:37:09,022 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-10-24 23:37:09,022 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 23:37:09,064 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-24 23:37:09,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 75 transitions, 154 flow [2024-10-24 23:37:09,120 INFO L124 PetriNetUnfolderBase]: 5/75 cut-off events. [2024-10-24 23:37:09,120 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 23:37:09,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 75 events. 5/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 147 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. [2024-10-24 23:37:09,124 INFO L82 GeneralOperation]: Start removeDead. Operand has 73 places, 75 transitions, 154 flow [2024-10-24 23:37:09,127 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 73 transitions, 149 flow [2024-10-24 23:37:09,134 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 23:37:09,140 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;@539f898d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 23:37:09,140 INFO L334 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2024-10-24 23:37:09,150 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 23:37:09,150 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2024-10-24 23:37:09,150 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 23:37:09,151 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:37:09,155 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:37:09,155 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-24 23:37:09,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:37:09,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1001970716, now seen corresponding path program 1 times [2024-10-24 23:37:09,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:37:09,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363587712] [2024-10-24 23:37:09,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:37:09,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:37:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:37:09,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:37:09,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:37:09,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363587712] [2024-10-24 23:37:09,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363587712] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:37:09,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:37:09,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:37:09,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877961530] [2024-10-24 23:37:09,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:37:09,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 23:37:09,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:37:09,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:37:09,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:37:09,451 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 75 [2024-10-24 23:37:09,454 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 73 transitions, 149 flow. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-10-24 23:37:09,454 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:37:09,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 75 [2024-10-24 23:37:09,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:37:09,682 INFO L124 PetriNetUnfolderBase]: 354/958 cut-off events. [2024-10-24 23:37:09,683 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 23:37:09,688 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1633 conditions, 958 events. 354/958 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 5530 event pairs, 220 based on Foata normal form. 51/912 useless extension candidates. Maximal degree in co-relation 1622. Up to 508 conditions per place. [2024-10-24 23:37:09,693 INFO L140 encePairwiseOnDemand]: 70/75 looper letters, 52 selfloop transitions, 2 changer transitions 0/86 dead transitions. [2024-10-24 23:37:09,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 86 transitions, 283 flow [2024-10-24 23:37:09,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:37:09,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 23:37:09,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 159 transitions. [2024-10-24 23:37:09,706 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7066666666666667 [2024-10-24 23:37:09,708 INFO L175 Difference]: Start difference. First operand has 72 places, 73 transitions, 149 flow. Second operand 3 states and 159 transitions. [2024-10-24 23:37:09,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 86 transitions, 283 flow [2024-10-24 23:37:09,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 86 transitions, 282 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 23:37:09,715 INFO L231 Difference]: Finished difference. Result has 71 places, 70 transitions, 146 flow [2024-10-24 23:37:09,717 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=71, PETRI_TRANSITIONS=70} [2024-10-24 23:37:09,722 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -1 predicate places. [2024-10-24 23:37:09,722 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 70 transitions, 146 flow [2024-10-24 23:37:09,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-10-24 23:37:09,723 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:37:09,723 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:37:09,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 23:37:09,723 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-24 23:37:09,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:37:09,724 INFO L85 PathProgramCache]: Analyzing trace with hash -996320534, now seen corresponding path program 1 times [2024-10-24 23:37:09,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:37:09,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134811829] [2024-10-24 23:37:09,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:37:09,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:37:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:37:09,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:37:09,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:37:09,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134811829] [2024-10-24 23:37:09,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134811829] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:37:09,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:37:09,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:37:09,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224141566] [2024-10-24 23:37:09,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:37:09,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 23:37:09,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:37:09,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:37:09,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:37:09,810 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 75 [2024-10-24 23:37:09,810 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 70 transitions, 146 flow. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-10-24 23:37:09,810 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:37:09,811 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 75 [2024-10-24 23:37:09,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:37:09,988 INFO L124 PetriNetUnfolderBase]: 335/922 cut-off events. [2024-10-24 23:37:09,989 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-10-24 23:37:09,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1593 conditions, 922 events. 335/922 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 5309 event pairs, 218 based on Foata normal form. 0/842 useless extension candidates. Maximal degree in co-relation 1582. Up to 508 conditions per place. [2024-10-24 23:37:09,994 INFO L140 encePairwiseOnDemand]: 72/75 looper letters, 51 selfloop transitions, 2 changer transitions 0/85 dead transitions. [2024-10-24 23:37:09,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 85 transitions, 282 flow [2024-10-24 23:37:09,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:37:09,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 23:37:09,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 156 transitions. [2024-10-24 23:37:09,996 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6933333333333334 [2024-10-24 23:37:09,996 INFO L175 Difference]: Start difference. First operand has 71 places, 70 transitions, 146 flow. Second operand 3 states and 156 transitions. [2024-10-24 23:37:09,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 85 transitions, 282 flow [2024-10-24 23:37:09,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 85 transitions, 278 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 23:37:10,000 INFO L231 Difference]: Finished difference. Result has 70 places, 69 transitions, 144 flow [2024-10-24 23:37:10,000 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=70, PETRI_TRANSITIONS=69} [2024-10-24 23:37:10,001 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -2 predicate places. [2024-10-24 23:37:10,001 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 69 transitions, 144 flow [2024-10-24 23:37:10,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-10-24 23:37:10,001 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:37:10,002 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:37:10,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 23:37:10,002 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-24 23:37:10,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:37:10,002 INFO L85 PathProgramCache]: Analyzing trace with hash 314009172, now seen corresponding path program 1 times [2024-10-24 23:37:10,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:37:10,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041063425] [2024-10-24 23:37:10,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:37:10,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:37:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:37:10,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:37:10,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:37:10,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041063425] [2024-10-24 23:37:10,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041063425] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:37:10,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:37:10,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 23:37:10,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609343086] [2024-10-24 23:37:10,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:37:10,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 23:37:10,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:37:10,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:37:10,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:37:10,093 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 75 [2024-10-24 23:37:10,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 69 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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) [2024-10-24 23:37:10,093 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:37:10,093 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 75 [2024-10-24 23:37:10,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:37:10,229 INFO L124 PetriNetUnfolderBase]: 348/932 cut-off events. [2024-10-24 23:37:10,229 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-10-24 23:37:10,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1640 conditions, 932 events. 348/932 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 5266 event pairs, 258 based on Foata normal form. 0/861 useless extension candidates. Maximal degree in co-relation 1629. Up to 604 conditions per place. [2024-10-24 23:37:10,234 INFO L140 encePairwiseOnDemand]: 72/75 looper letters, 52 selfloop transitions, 2 changer transitions 0/84 dead transitions. [2024-10-24 23:37:10,234 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 84 transitions, 282 flow [2024-10-24 23:37:10,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:37:10,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 23:37:10,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 160 transitions. [2024-10-24 23:37:10,236 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7111111111111111 [2024-10-24 23:37:10,236 INFO L175 Difference]: Start difference. First operand has 70 places, 69 transitions, 144 flow. Second operand 3 states and 160 transitions. [2024-10-24 23:37:10,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 84 transitions, 282 flow [2024-10-24 23:37:10,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 84 transitions, 278 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 23:37:10,238 INFO L231 Difference]: Finished difference. Result has 70 places, 68 transitions, 142 flow [2024-10-24 23:37:10,238 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=70, PETRI_TRANSITIONS=68} [2024-10-24 23:37:10,238 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -2 predicate places. [2024-10-24 23:37:10,239 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 68 transitions, 142 flow [2024-10-24 23:37:10,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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) [2024-10-24 23:37:10,239 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:37:10,239 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:37:10,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 23:37:10,239 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-24 23:37:10,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:37:10,240 INFO L85 PathProgramCache]: Analyzing trace with hash 491706580, now seen corresponding path program 1 times [2024-10-24 23:37:10,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:37:10,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211023125] [2024-10-24 23:37:10,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:37:10,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:37:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:37:10,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:37:10,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:37:10,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211023125] [2024-10-24 23:37:10,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211023125] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:37:10,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:37:10,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 23:37:10,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433347583] [2024-10-24 23:37:10,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:37:10,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 23:37:10,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:37:10,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:37:10,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:37:10,294 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 75 [2024-10-24 23:37:10,294 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 68 transitions, 142 flow. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:37:10,294 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:37:10,294 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 75 [2024-10-24 23:37:10,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:37:10,417 INFO L124 PetriNetUnfolderBase]: 317/849 cut-off events. [2024-10-24 23:37:10,417 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-10-24 23:37:10,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1518 conditions, 849 events. 317/849 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4617 event pairs, 243 based on Foata normal form. 0/794 useless extension candidates. Maximal degree in co-relation 1507. Up to 559 conditions per place. [2024-10-24 23:37:10,420 INFO L140 encePairwiseOnDemand]: 72/75 looper letters, 53 selfloop transitions, 2 changer transitions 0/81 dead transitions. [2024-10-24 23:37:10,420 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 81 transitions, 282 flow [2024-10-24 23:37:10,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:37:10,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 23:37:10,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 161 transitions. [2024-10-24 23:37:10,421 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7155555555555555 [2024-10-24 23:37:10,421 INFO L175 Difference]: Start difference. First operand has 70 places, 68 transitions, 142 flow. Second operand 3 states and 161 transitions. [2024-10-24 23:37:10,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 81 transitions, 282 flow [2024-10-24 23:37:10,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 81 transitions, 274 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 23:37:10,423 INFO L231 Difference]: Finished difference. Result has 66 places, 63 transitions, 132 flow [2024-10-24 23:37:10,423 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=132, PETRI_PLACES=66, PETRI_TRANSITIONS=63} [2024-10-24 23:37:10,423 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -6 predicate places. [2024-10-24 23:37:10,423 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 63 transitions, 132 flow [2024-10-24 23:37:10,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:37:10,424 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:37:10,424 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:37:10,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 23:37:10,424 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-24 23:37:10,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:37:10,424 INFO L85 PathProgramCache]: Analyzing trace with hash 812186711, now seen corresponding path program 1 times [2024-10-24 23:37:10,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:37:10,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925613665] [2024-10-24 23:37:10,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:37:10,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:37:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:37:10,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:37:10,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:37:10,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925613665] [2024-10-24 23:37:10,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925613665] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:37:10,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:37:10,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 23:37:10,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496600020] [2024-10-24 23:37:10,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:37:10,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:37:10,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:37:10,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:37:10,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:37:10,512 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 75 [2024-10-24 23:37:10,513 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 63 transitions, 132 flow. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 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) [2024-10-24 23:37:10,513 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:37:10,513 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 75 [2024-10-24 23:37:10,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:37:10,670 INFO L124 PetriNetUnfolderBase]: 354/894 cut-off events. [2024-10-24 23:37:10,671 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-10-24 23:37:10,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1645 conditions, 894 events. 354/894 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4854 event pairs, 207 based on Foata normal form. 0/838 useless extension candidates. Maximal degree in co-relation 1634. Up to 473 conditions per place. [2024-10-24 23:37:10,674 INFO L140 encePairwiseOnDemand]: 71/75 looper letters, 66 selfloop transitions, 3 changer transitions 0/92 dead transitions. [2024-10-24 23:37:10,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 92 transitions, 336 flow [2024-10-24 23:37:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:37:10,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-24 23:37:10,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 198 transitions. [2024-10-24 23:37:10,675 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.66 [2024-10-24 23:37:10,675 INFO L175 Difference]: Start difference. First operand has 66 places, 63 transitions, 132 flow. Second operand 4 states and 198 transitions. [2024-10-24 23:37:10,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 92 transitions, 336 flow [2024-10-24 23:37:10,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 92 transitions, 324 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 23:37:10,679 INFO L231 Difference]: Finished difference. Result has 66 places, 62 transitions, 132 flow [2024-10-24 23:37:10,679 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=132, PETRI_PLACES=66, PETRI_TRANSITIONS=62} [2024-10-24 23:37:10,681 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -6 predicate places. [2024-10-24 23:37:10,681 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 62 transitions, 132 flow [2024-10-24 23:37:10,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 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) [2024-10-24 23:37:10,681 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:37:10,681 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:37:10,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 23:37:10,681 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-24 23:37:10,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:37:10,682 INFO L85 PathProgramCache]: Analyzing trace with hash 812187764, now seen corresponding path program 1 times [2024-10-24 23:37:10,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:37:10,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684500492] [2024-10-24 23:37:10,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:37:10,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:37:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:37:10,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:37:10,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:37:10,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684500492] [2024-10-24 23:37:10,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684500492] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:37:10,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:37:10,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 23:37:10,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220841171] [2024-10-24 23:37:10,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:37:10,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 23:37:10,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:37:10,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 23:37:10,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:37:10,784 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 75 [2024-10-24 23:37:10,784 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 62 transitions, 132 flow. Second operand has 5 states, 5 states have (on average 31.4) internal successors, (157), 5 states have internal predecessors, (157), 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) [2024-10-24 23:37:10,784 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:37:10,784 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 75 [2024-10-24 23:37:10,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:37:10,930 INFO L124 PetriNetUnfolderBase]: 337/829 cut-off events. [2024-10-24 23:37:10,931 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-10-24 23:37:10,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1550 conditions, 829 events. 337/829 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4299 event pairs, 208 based on Foata normal form. 0/805 useless extension candidates. Maximal degree in co-relation 1539. Up to 473 conditions per place. [2024-10-24 23:37:10,933 INFO L140 encePairwiseOnDemand]: 70/75 looper letters, 64 selfloop transitions, 4 changer transitions 0/89 dead transitions. [2024-10-24 23:37:10,933 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 89 transitions, 322 flow [2024-10-24 23:37:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:37:10,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-24 23:37:10,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 185 transitions. [2024-10-24 23:37:10,934 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6166666666666667 [2024-10-24 23:37:10,935 INFO L175 Difference]: Start difference. First operand has 66 places, 62 transitions, 132 flow. Second operand 4 states and 185 transitions. [2024-10-24 23:37:10,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 89 transitions, 322 flow [2024-10-24 23:37:10,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 89 transitions, 316 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-24 23:37:10,937 INFO L231 Difference]: Finished difference. Result has 63 places, 59 transitions, 128 flow [2024-10-24 23:37:10,938 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=128, PETRI_PLACES=63, PETRI_TRANSITIONS=59} [2024-10-24 23:37:10,939 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -9 predicate places. [2024-10-24 23:37:10,939 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 59 transitions, 128 flow [2024-10-24 23:37:10,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.4) internal successors, (157), 5 states have internal predecessors, (157), 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) [2024-10-24 23:37:10,940 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:37:10,940 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:37:10,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 23:37:10,940 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-24 23:37:10,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:37:10,941 INFO L85 PathProgramCache]: Analyzing trace with hash -592015152, now seen corresponding path program 1 times [2024-10-24 23:37:10,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:37:10,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61651306] [2024-10-24 23:37:10,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:37:10,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:37:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:37:11,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:37:11,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:37:11,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61651306] [2024-10-24 23:37:11,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61651306] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:37:11,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:37:11,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 23:37:11,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955614134] [2024-10-24 23:37:11,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:37:11,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 23:37:11,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:37:11,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 23:37:11,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:37:11,035 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 75 [2024-10-24 23:37:11,035 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 59 transitions, 128 flow. Second operand has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 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) [2024-10-24 23:37:11,035 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:37:11,036 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 75 [2024-10-24 23:37:11,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:37:11,149 INFO L124 PetriNetUnfolderBase]: 320/796 cut-off events. [2024-10-24 23:37:11,149 INFO L125 PetriNetUnfolderBase]: For 42/42 co-relation queries the response was YES. [2024-10-24 23:37:11,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1500 conditions, 796 events. 320/796 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4056 event pairs, 194 based on Foata normal form. 16/788 useless extension candidates. Maximal degree in co-relation 1489. Up to 439 conditions per place. [2024-10-24 23:37:11,152 INFO L140 encePairwiseOnDemand]: 70/75 looper letters, 51 selfloop transitions, 4 changer transitions 15/88 dead transitions. [2024-10-24 23:37:11,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 88 transitions, 320 flow [2024-10-24 23:37:11,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:37:11,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-24 23:37:11,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 196 transitions. [2024-10-24 23:37:11,153 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6533333333333333 [2024-10-24 23:37:11,153 INFO L175 Difference]: Start difference. First operand has 63 places, 59 transitions, 128 flow. Second operand 4 states and 196 transitions. [2024-10-24 23:37:11,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 88 transitions, 320 flow [2024-10-24 23:37:11,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 88 transitions, 312 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-24 23:37:11,155 INFO L231 Difference]: Finished difference. Result has 62 places, 51 transitions, 112 flow [2024-10-24 23:37:11,155 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=112, PETRI_PLACES=62, PETRI_TRANSITIONS=51} [2024-10-24 23:37:11,156 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -10 predicate places. [2024-10-24 23:37:11,156 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 51 transitions, 112 flow [2024-10-24 23:37:11,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 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) [2024-10-24 23:37:11,156 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:37:11,156 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:37:11,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 23:37:11,156 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-24 23:37:11,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:37:11,157 INFO L85 PathProgramCache]: Analyzing trace with hash 83610136, now seen corresponding path program 1 times [2024-10-24 23:37:11,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:37:11,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263411485] [2024-10-24 23:37:11,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:37:11,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:37:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:37:11,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:37:11,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:37:11,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263411485] [2024-10-24 23:37:11,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263411485] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:37:11,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:37:11,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:37:11,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168797209] [2024-10-24 23:37:11,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:37:11,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 23:37:11,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:37:11,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:37:11,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:37:11,197 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 75 [2024-10-24 23:37:11,198 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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) [2024-10-24 23:37:11,198 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:37:11,198 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 75 [2024-10-24 23:37:11,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:37:11,296 INFO L124 PetriNetUnfolderBase]: 217/634 cut-off events. [2024-10-24 23:37:11,296 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-10-24 23:37:11,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1123 conditions, 634 events. 217/634 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3110 event pairs, 126 based on Foata normal form. 19/592 useless extension candidates. Maximal degree in co-relation 1111. Up to 281 conditions per place. [2024-10-24 23:37:11,298 INFO L140 encePairwiseOnDemand]: 73/75 looper letters, 50 selfloop transitions, 1 changer transitions 0/68 dead transitions. [2024-10-24 23:37:11,298 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 68 transitions, 254 flow [2024-10-24 23:37:11,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:37:11,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 23:37:11,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 151 transitions. [2024-10-24 23:37:11,299 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6711111111111111 [2024-10-24 23:37:11,299 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 112 flow. Second operand 3 states and 151 transitions. [2024-10-24 23:37:11,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 68 transitions, 254 flow [2024-10-24 23:37:11,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 68 transitions, 240 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-24 23:37:11,300 INFO L231 Difference]: Finished difference. Result has 54 places, 50 transitions, 104 flow [2024-10-24 23:37:11,300 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=54, PETRI_TRANSITIONS=50} [2024-10-24 23:37:11,301 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -18 predicate places. [2024-10-24 23:37:11,301 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 50 transitions, 104 flow [2024-10-24 23:37:11,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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) [2024-10-24 23:37:11,301 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:37:11,301 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:37:11,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 23:37:11,301 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-24 23:37:11,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:37:11,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1703053439, now seen corresponding path program 1 times [2024-10-24 23:37:11,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:37:11,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488508884] [2024-10-24 23:37:11,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:37:11,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:37:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:37:11,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:37:11,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:37:11,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488508884] [2024-10-24 23:37:11,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488508884] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:37:11,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:37:11,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:37:11,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878593088] [2024-10-24 23:37:11,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:37:11,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 23:37:11,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:37:11,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 23:37:11,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 23:37:11,456 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 75 [2024-10-24 23:37:11,456 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 50 transitions, 104 flow. Second operand has 6 states, 6 states have (on average 33.5) internal successors, (201), 6 states have internal predecessors, (201), 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) [2024-10-24 23:37:11,456 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:37:11,456 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 75 [2024-10-24 23:37:11,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:37:11,664 INFO L124 PetriNetUnfolderBase]: 378/953 cut-off events. [2024-10-24 23:37:11,665 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-10-24 23:37:11,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1773 conditions, 953 events. 378/953 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 5210 event pairs, 170 based on Foata normal form. 19/939 useless extension candidates. Maximal degree in co-relation 1762. Up to 426 conditions per place. [2024-10-24 23:37:11,668 INFO L140 encePairwiseOnDemand]: 69/75 looper letters, 84 selfloop transitions, 7 changer transitions 0/106 dead transitions. [2024-10-24 23:37:11,668 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 106 transitions, 402 flow [2024-10-24 23:37:11,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 23:37:11,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-24 23:37:11,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 312 transitions. [2024-10-24 23:37:11,670 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5942857142857143 [2024-10-24 23:37:11,670 INFO L175 Difference]: Start difference. First operand has 54 places, 50 transitions, 104 flow. Second operand 7 states and 312 transitions. [2024-10-24 23:37:11,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 106 transitions, 402 flow [2024-10-24 23:37:11,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 106 transitions, 399 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 23:37:11,676 INFO L231 Difference]: Finished difference. Result has 62 places, 55 transitions, 148 flow [2024-10-24 23:37:11,677 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=148, PETRI_PLACES=62, PETRI_TRANSITIONS=55} [2024-10-24 23:37:11,678 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -10 predicate places. [2024-10-24 23:37:11,678 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 55 transitions, 148 flow [2024-10-24 23:37:11,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.5) internal successors, (201), 6 states have internal predecessors, (201), 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) [2024-10-24 23:37:11,678 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:37:11,678 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:37:11,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 23:37:11,680 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-24 23:37:11,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:37:11,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1255048389, now seen corresponding path program 1 times [2024-10-24 23:37:11,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:37:11,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940782580] [2024-10-24 23:37:11,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:37:11,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:37:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:37:11,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:37:11,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:37:11,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940782580] [2024-10-24 23:37:11,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940782580] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:37:11,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:37:11,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:37:11,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932098486] [2024-10-24 23:37:11,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:37:11,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:37:11,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:37:11,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:37:11,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:37:11,746 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 75 [2024-10-24 23:37:11,747 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 55 transitions, 148 flow. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 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) [2024-10-24 23:37:11,747 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:37:11,747 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 75 [2024-10-24 23:37:11,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:37:11,888 INFO L124 PetriNetUnfolderBase]: 327/939 cut-off events. [2024-10-24 23:37:11,888 INFO L125 PetriNetUnfolderBase]: For 150/150 co-relation queries the response was YES. [2024-10-24 23:37:11,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1802 conditions, 939 events. 327/939 cut-off events. For 150/150 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 5346 event pairs, 169 based on Foata normal form. 15/949 useless extension candidates. Maximal degree in co-relation 1787. Up to 382 conditions per place. [2024-10-24 23:37:11,892 INFO L140 encePairwiseOnDemand]: 70/75 looper letters, 68 selfloop transitions, 5 changer transitions 0/88 dead transitions. [2024-10-24 23:37:11,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 88 transitions, 360 flow [2024-10-24 23:37:11,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:37:11,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-24 23:37:11,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 195 transitions. [2024-10-24 23:37:11,893 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.65 [2024-10-24 23:37:11,893 INFO L175 Difference]: Start difference. First operand has 62 places, 55 transitions, 148 flow. Second operand 4 states and 195 transitions. [2024-10-24 23:37:11,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 88 transitions, 360 flow [2024-10-24 23:37:11,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 88 transitions, 360 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 23:37:11,895 INFO L231 Difference]: Finished difference. Result has 64 places, 53 transitions, 150 flow [2024-10-24 23:37:11,895 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=150, PETRI_PLACES=64, PETRI_TRANSITIONS=53} [2024-10-24 23:37:11,895 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -8 predicate places. [2024-10-24 23:37:11,895 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 53 transitions, 150 flow [2024-10-24 23:37:11,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 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) [2024-10-24 23:37:11,896 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:37:11,896 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:37:11,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 23:37:11,896 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-24 23:37:11,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:37:11,896 INFO L85 PathProgramCache]: Analyzing trace with hash 814857686, now seen corresponding path program 1 times [2024-10-24 23:37:11,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:37:11,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819672284] [2024-10-24 23:37:11,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:37:11,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:37:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:37:11,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:37:11,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:37:11,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819672284] [2024-10-24 23:37:11,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819672284] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:37:11,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:37:11,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 23:37:11,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620277468] [2024-10-24 23:37:11,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:37:11,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:37:11,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:37:11,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:37:11,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:37:11,954 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 75 [2024-10-24 23:37:11,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 53 transitions, 150 flow. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 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) [2024-10-24 23:37:11,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:37:11,955 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 75 [2024-10-24 23:37:11,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:37:12,101 INFO L124 PetriNetUnfolderBase]: 341/911 cut-off events. [2024-10-24 23:37:12,101 INFO L125 PetriNetUnfolderBase]: For 250/250 co-relation queries the response was YES. [2024-10-24 23:37:12,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1906 conditions, 911 events. 341/911 cut-off events. For 250/250 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 5027 event pairs, 216 based on Foata normal form. 34/940 useless extension candidates. Maximal degree in co-relation 1890. Up to 514 conditions per place. [2024-10-24 23:37:12,104 INFO L140 encePairwiseOnDemand]: 72/75 looper letters, 60 selfloop transitions, 2 changer transitions 13/88 dead transitions. [2024-10-24 23:37:12,105 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 88 transitions, 378 flow [2024-10-24 23:37:12,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:37:12,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-24 23:37:12,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 203 transitions. [2024-10-24 23:37:12,106 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6766666666666666 [2024-10-24 23:37:12,106 INFO L175 Difference]: Start difference. First operand has 64 places, 53 transitions, 150 flow. Second operand 4 states and 203 transitions. [2024-10-24 23:37:12,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 88 transitions, 378 flow [2024-10-24 23:37:12,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 88 transitions, 368 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-24 23:37:12,108 INFO L231 Difference]: Finished difference. Result has 63 places, 47 transitions, 115 flow [2024-10-24 23:37:12,108 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=115, PETRI_PLACES=63, PETRI_TRANSITIONS=47} [2024-10-24 23:37:12,108 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -9 predicate places. [2024-10-24 23:37:12,108 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 47 transitions, 115 flow [2024-10-24 23:37:12,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 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) [2024-10-24 23:37:12,109 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:37:12,109 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:37:12,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 23:37:12,109 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-24 23:37:12,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:37:12,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1162788242, now seen corresponding path program 1 times [2024-10-24 23:37:12,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:37:12,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101023963] [2024-10-24 23:37:12,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:37:12,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:37:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:37:12,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:37:12,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:37:12,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101023963] [2024-10-24 23:37:12,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101023963] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:37:12,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:37:12,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 23:37:12,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682322784] [2024-10-24 23:37:12,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:37:12,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 23:37:12,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:37:12,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 23:37:12,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 23:37:12,278 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 75 [2024-10-24 23:37:12,279 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 47 transitions, 115 flow. Second operand has 8 states, 8 states have (on average 30.5) internal successors, (244), 8 states have internal predecessors, (244), 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) [2024-10-24 23:37:12,279 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:37:12,279 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 75 [2024-10-24 23:37:12,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:37:12,491 INFO L124 PetriNetUnfolderBase]: 269/692 cut-off events. [2024-10-24 23:37:12,491 INFO L125 PetriNetUnfolderBase]: For 105/105 co-relation queries the response was YES. [2024-10-24 23:37:12,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1443 conditions, 692 events. 269/692 cut-off events. For 105/105 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3451 event pairs, 111 based on Foata normal form. 15/703 useless extension candidates. Maximal degree in co-relation 1427. Up to 267 conditions per place. [2024-10-24 23:37:12,493 INFO L140 encePairwiseOnDemand]: 68/75 looper letters, 43 selfloop transitions, 4 changer transitions 45/105 dead transitions. [2024-10-24 23:37:12,493 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 105 transitions, 431 flow [2024-10-24 23:37:12,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 23:37:12,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-24 23:37:12,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 318 transitions. [2024-10-24 23:37:12,495 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.53 [2024-10-24 23:37:12,495 INFO L175 Difference]: Start difference. First operand has 63 places, 47 transitions, 115 flow. Second operand 8 states and 318 transitions. [2024-10-24 23:37:12,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 105 transitions, 431 flow [2024-10-24 23:37:12,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 105 transitions, 408 flow, removed 5 selfloop flow, removed 6 redundant places. [2024-10-24 23:37:12,497 INFO L231 Difference]: Finished difference. Result has 65 places, 47 transitions, 122 flow [2024-10-24 23:37:12,497 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=122, PETRI_PLACES=65, PETRI_TRANSITIONS=47} [2024-10-24 23:37:12,497 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -7 predicate places. [2024-10-24 23:37:12,498 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 47 transitions, 122 flow [2024-10-24 23:37:12,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 30.5) internal successors, (244), 8 states have internal predecessors, (244), 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) [2024-10-24 23:37:12,498 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:37:12,498 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:37:12,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 23:37:12,498 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-24 23:37:12,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:37:12,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1658371059, now seen corresponding path program 1 times [2024-10-24 23:37:12,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:37:12,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61428490] [2024-10-24 23:37:12,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:37:12,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:37:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:37:12,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:37:12,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:37:12,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61428490] [2024-10-24 23:37:12,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61428490] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:37:12,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:37:12,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 23:37:12,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217299845] [2024-10-24 23:37:12,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:37:12,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 23:37:12,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:37:12,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 23:37:12,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 23:37:12,744 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 75 [2024-10-24 23:37:12,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 47 transitions, 122 flow. Second operand has 6 states, 6 states have (on average 38.833333333333336) internal successors, (233), 6 states have internal predecessors, (233), 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) [2024-10-24 23:37:12,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:37:12,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 75 [2024-10-24 23:37:12,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:37:12,899 INFO L124 PetriNetUnfolderBase]: 125/367 cut-off events. [2024-10-24 23:37:12,899 INFO L125 PetriNetUnfolderBase]: For 61/61 co-relation queries the response was YES. [2024-10-24 23:37:12,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 770 conditions, 367 events. 125/367 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1393 event pairs, 89 based on Foata normal form. 11/376 useless extension candidates. Maximal degree in co-relation 752. Up to 204 conditions per place. [2024-10-24 23:37:12,901 INFO L140 encePairwiseOnDemand]: 70/75 looper letters, 36 selfloop transitions, 3 changer transitions 13/66 dead transitions. [2024-10-24 23:37:12,901 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 66 transitions, 268 flow [2024-10-24 23:37:12,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 23:37:12,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 23:37:12,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 264 transitions. [2024-10-24 23:37:12,902 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5866666666666667 [2024-10-24 23:37:12,902 INFO L175 Difference]: Start difference. First operand has 65 places, 47 transitions, 122 flow. Second operand 6 states and 264 transitions. [2024-10-24 23:37:12,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 66 transitions, 268 flow [2024-10-24 23:37:12,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 66 transitions, 246 flow, removed 6 selfloop flow, removed 8 redundant places. [2024-10-24 23:37:12,904 INFO L231 Difference]: Finished difference. Result has 61 places, 47 transitions, 116 flow [2024-10-24 23:37:12,904 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=116, PETRI_PLACES=61, PETRI_TRANSITIONS=47} [2024-10-24 23:37:12,904 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -11 predicate places. [2024-10-24 23:37:12,904 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 47 transitions, 116 flow [2024-10-24 23:37:12,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.833333333333336) internal successors, (233), 6 states have internal predecessors, (233), 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) [2024-10-24 23:37:12,905 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 23:37:12,905 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:37:12,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 23:37:12,905 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-24 23:37:12,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:37:12,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1567672138, now seen corresponding path program 1 times [2024-10-24 23:37:12,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:37:12,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238837955] [2024-10-24 23:37:12,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:37:12,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:37:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:37:13,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:37:13,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:37:13,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238837955] [2024-10-24 23:37:13,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238837955] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:37:13,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:37:13,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 23:37:13,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653821759] [2024-10-24 23:37:13,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:37:13,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 23:37:13,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:37:13,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 23:37:13,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 23:37:13,076 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 75 [2024-10-24 23:37:13,077 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 47 transitions, 116 flow. Second operand has 8 states, 8 states have (on average 30.375) internal successors, (243), 8 states have internal predecessors, (243), 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) [2024-10-24 23:37:13,077 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 23:37:13,077 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 75 [2024-10-24 23:37:13,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 23:37:13,240 INFO L124 PetriNetUnfolderBase]: 117/322 cut-off events. [2024-10-24 23:37:13,240 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2024-10-24 23:37:13,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 666 conditions, 322 events. 117/322 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1115 event pairs, 51 based on Foata normal form. 8/328 useless extension candidates. Maximal degree in co-relation 651. Up to 124 conditions per place. [2024-10-24 23:37:13,241 INFO L140 encePairwiseOnDemand]: 69/75 looper letters, 0 selfloop transitions, 0 changer transitions 72/72 dead transitions. [2024-10-24 23:37:13,241 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 72 transitions, 294 flow [2024-10-24 23:37:13,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 23:37:13,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-24 23:37:13,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 277 transitions. [2024-10-24 23:37:13,242 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.46166666666666667 [2024-10-24 23:37:13,242 INFO L175 Difference]: Start difference. First operand has 61 places, 47 transitions, 116 flow. Second operand 8 states and 277 transitions. [2024-10-24 23:37:13,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 72 transitions, 294 flow [2024-10-24 23:37:13,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 72 transitions, 280 flow, removed 4 selfloop flow, removed 5 redundant places. [2024-10-24 23:37:13,243 INFO L231 Difference]: Finished difference. Result has 60 places, 0 transitions, 0 flow [2024-10-24 23:37:13,243 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=60, PETRI_TRANSITIONS=0} [2024-10-24 23:37:13,243 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -12 predicate places. [2024-10-24 23:37:13,243 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 0 transitions, 0 flow [2024-10-24 23:37:13,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 30.375) internal successors, (243), 8 states have internal predecessors, (243), 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) [2024-10-24 23:37:13,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 19 remaining) [2024-10-24 23:37:13,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 19 remaining) [2024-10-24 23:37:13,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 19 remaining) [2024-10-24 23:37:13,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 19 remaining) [2024-10-24 23:37:13,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 19 remaining) [2024-10-24 23:37:13,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 19 remaining) [2024-10-24 23:37:13,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 19 remaining) [2024-10-24 23:37:13,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 19 remaining) [2024-10-24 23:37:13,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 19 remaining) [2024-10-24 23:37:13,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 19 remaining) [2024-10-24 23:37:13,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 19 remaining) [2024-10-24 23:37:13,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 19 remaining) [2024-10-24 23:37:13,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 19 remaining) [2024-10-24 23:37:13,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 19 remaining) [2024-10-24 23:37:13,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 19 remaining) [2024-10-24 23:37:13,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 19 remaining) [2024-10-24 23:37:13,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 19 remaining) [2024-10-24 23:37:13,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 19 remaining) [2024-10-24 23:37:13,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 19 remaining) [2024-10-24 23:37:13,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 23:37:13,247 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:37:13,251 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 23:37:13,251 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 23:37:13,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:37:13 BasicIcfg [2024-10-24 23:37:13,254 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 23:37:13,255 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 23:37:13,255 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 23:37:13,255 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 23:37:13,255 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:37:09" (3/4) ... [2024-10-24 23:37:13,256 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 23:37:13,258 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-10-24 23:37:13,264 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2024-10-24 23:37:13,265 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-10-24 23:37:13,265 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-24 23:37:13,265 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 23:37:13,321 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 23:37:13,321 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 23:37:13,321 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 23:37:13,322 INFO L158 Benchmark]: Toolchain (without parser) took 5611.61ms. Allocated memory was 176.2MB in the beginning and 379.6MB in the end (delta: 203.4MB). Free memory was 106.0MB in the beginning and 240.5MB in the end (delta: -134.4MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. [2024-10-24 23:37:13,322 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 176.2MB. Free memory was 133.8MB in the beginning and 133.6MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 23:37:13,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.89ms. Allocated memory is still 176.2MB. Free memory was 105.9MB in the beginning and 142.2MB in the end (delta: -36.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-24 23:37:13,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.92ms. Allocated memory is still 176.2MB. Free memory was 142.2MB in the beginning and 139.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 23:37:13,322 INFO L158 Benchmark]: Boogie Preprocessor took 49.23ms. Allocated memory is still 176.2MB. Free memory was 139.3MB in the beginning and 136.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 23:37:13,324 INFO L158 Benchmark]: RCFGBuilder took 688.34ms. Allocated memory is still 176.2MB. Free memory was 136.6MB in the beginning and 80.6MB in the end (delta: 56.0MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-10-24 23:37:13,324 INFO L158 Benchmark]: TraceAbstraction took 4250.77ms. Allocated memory was 176.2MB in the beginning and 379.6MB in the end (delta: 203.4MB). Free memory was 79.9MB in the beginning and 244.6MB in the end (delta: -164.7MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-10-24 23:37:13,324 INFO L158 Benchmark]: Witness Printer took 66.88ms. Allocated memory is still 379.6MB. Free memory was 244.6MB in the beginning and 240.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 23:37:13,325 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 176.2MB. Free memory was 133.8MB in the beginning and 133.6MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.89ms. Allocated memory is still 176.2MB. Free memory was 105.9MB in the beginning and 142.2MB in the end (delta: -36.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.92ms. Allocated memory is still 176.2MB. Free memory was 142.2MB in the beginning and 139.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.23ms. Allocated memory is still 176.2MB. Free memory was 139.3MB in the beginning and 136.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 688.34ms. Allocated memory is still 176.2MB. Free memory was 136.6MB in the beginning and 80.6MB in the end (delta: 56.0MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4250.77ms. Allocated memory was 176.2MB in the beginning and 379.6MB in the end (delta: 203.4MB). Free memory was 79.9MB in the beginning and 244.6MB in the end (delta: -164.7MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * Witness Printer took 66.88ms. Allocated memory is still 379.6MB. Free memory was 244.6MB in the beginning and 240.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 752]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 752]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 753]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 753]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 752]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 752]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 753]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 753]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: 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 3 procedures, 103 locations, 19 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: 4.2s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1054 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 872 mSDsluCounter, 280 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 213 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2501 IncrementalHoareTripleChecker+Invalid, 2569 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 67 mSDtfsCounter, 2501 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=10, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 265 NumberOfCodeBlocks, 265 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 712 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 23:37:13,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE