./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../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 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../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-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:01:47,367 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:01:47,454 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 14:01:47,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:01:47,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:01:47,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:01:47,500 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:01:47,500 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:01:47,501 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:01:47,503 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:01:47,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 14:01:47,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 14:01:47,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:01:47,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:01:47,507 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:01:47,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:01:47,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 14:01:47,509 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 14:01:47,509 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:01:47,509 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 14:01:47,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:01:47,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 14:01:47,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 14:01:47,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 14:01:47,514 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:01:47,514 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 14:01:47,515 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:01:47,515 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 14:01:47,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:01:47,515 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:01:47,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:01:47,516 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:01:47,516 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 14:01:47,517 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 14:01:47,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 14:01:47,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:01:47,521 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 14:01:47,521 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 14:01:47,522 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:01:47,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 14:01:47,523 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 14:01:47,523 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 14:01:47,524 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 14:01:47,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 14:01:47,524 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6883737711af32a6a824eca7af237353e2fdaf7712a6b3c22083c0d47b565ee7 [2024-11-19 14:01:47,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:01:47,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:01:47,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:01:47,840 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:01:47,841 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:01:47,842 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-11-19 14:01:49,473 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:01:49,712 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:01:49,713 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 [2024-11-19 14:01:49,726 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cf97b204/f518a454629b4dd6bf3a015085def1ca/FLAG636bd4646 [2024-11-19 14:01:49,737 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cf97b204/f518a454629b4dd6bf3a015085def1ca [2024-11-19 14:01:49,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:01:49,740 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:01:49,742 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:01:49,742 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:01:49,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:01:49,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:01:49" (1/1) ... [2024-11-19 14:01:49,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aa88437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:49, skipping insertion in model container [2024-11-19 14:01:49,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:01:49" (1/1) ... [2024-11-19 14:01:49,799 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:01:50,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:01:50,172 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:01:50,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:01:50,276 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:01:50,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:50 WrapperNode [2024-11-19 14:01:50,277 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:01:50,278 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:01:50,278 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:01:50,278 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:01:50,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:50" (1/1) ... [2024-11-19 14:01:50,298 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:50" (1/1) ... [2024-11-19 14:01:50,346 INFO L138 Inliner]: procedures = 165, calls = 47, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 196 [2024-11-19 14:01:50,346 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:01:50,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:01:50,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:01:50,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:01:50,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:50" (1/1) ... [2024-11-19 14:01:50,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:50" (1/1) ... [2024-11-19 14:01:50,364 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:50" (1/1) ... [2024-11-19 14:01:50,378 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]. [2024-11-19 14:01:50,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:50" (1/1) ... [2024-11-19 14:01:50,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:50" (1/1) ... [2024-11-19 14:01:50,400 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:50" (1/1) ... [2024-11-19 14:01:50,402 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:50" (1/1) ... [2024-11-19 14:01:50,404 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:50" (1/1) ... [2024-11-19 14:01:50,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:50" (1/1) ... [2024-11-19 14:01:50,409 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:01:50,410 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:01:50,410 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:01:50,410 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:01:50,411 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:50" (1/1) ... [2024-11-19 14:01:50,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 14:01:50,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:01:50,448 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) [2024-11-19 14:01:50,451 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 [2024-11-19 14:01:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-19 14:01:50,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 14:01:50,498 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-19 14:01:50,498 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-19 14:01:50,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 14:01:50,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 14:01:50,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 14:01:50,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 14:01:50,499 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-19 14:01:50,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:01:50,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:01:50,501 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 14:01:50,625 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:01:50,626 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:01:50,992 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 14:01:50,992 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:01:51,264 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:01:51,264 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 14:01:51,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:01:51 BoogieIcfgContainer [2024-11-19 14:01:51,265 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:01:51,269 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 14:01:51,269 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 14:01:51,272 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 14:01:51,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:01:49" (1/3) ... [2024-11-19 14:01:51,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181f207c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:01:51, skipping insertion in model container [2024-11-19 14:01:51,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:50" (2/3) ... [2024-11-19 14:01:51,275 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181f207c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:01:51, skipping insertion in model container [2024-11-19 14:01:51,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:01:51" (3/3) ... [2024-11-19 14:01:51,276 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-11-19 14:01:51,294 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 14:01:51,294 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-19 14:01:51,295 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 14:01:51,354 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 14:01:51,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 75 transitions, 154 flow [2024-11-19 14:01:51,438 INFO L124 PetriNetUnfolderBase]: 5/75 cut-off events. [2024-11-19 14:01:51,439 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 14:01:51,444 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. [2024-11-19 14:01:51,445 INFO L82 GeneralOperation]: Start removeDead. Operand has 73 places, 75 transitions, 154 flow [2024-11-19 14:01:51,449 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 73 transitions, 149 flow [2024-11-19 14:01:51,460 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 14:01:51,466 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;@170be78f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 14:01:51,466 INFO L334 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2024-11-19 14:01:51,476 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 14:01:51,477 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2024-11-19 14:01:51,478 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 14:01:51,478 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 14:01:51,479 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:01:51,480 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)] === [2024-11-19 14:01:51,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:01:51,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1001970716, now seen corresponding path program 1 times [2024-11-19 14:01:51,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:01:51,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718326371] [2024-11-19 14:01:51,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:01:51,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:01:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:01:51,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:01:51,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:01:51,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718326371] [2024-11-19 14:01:51,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718326371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:01:51,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:01:51,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 14:01:51,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115667769] [2024-11-19 14:01:51,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:01:51,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 14:01:51,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:01:51,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 14:01:51,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 14:01:51,920 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 75 [2024-11-19 14:01:51,923 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) [2024-11-19 14:01:51,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 14:01:51,923 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 75 [2024-11-19 14:01:51,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 14:01:52,364 INFO L124 PetriNetUnfolderBase]: 354/958 cut-off events. [2024-11-19 14:01:52,368 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 14:01:52,372 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. [2024-11-19 14:01:52,387 INFO L140 encePairwiseOnDemand]: 70/75 looper letters, 52 selfloop transitions, 2 changer transitions 0/86 dead transitions. [2024-11-19 14:01:52,391 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 86 transitions, 283 flow [2024-11-19 14:01:52,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 14:01:52,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 14:01:52,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 159 transitions. [2024-11-19 14:01:52,407 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7066666666666667 [2024-11-19 14:01:52,409 INFO L175 Difference]: Start difference. First operand has 72 places, 73 transitions, 149 flow. Second operand 3 states and 159 transitions. [2024-11-19 14:01:52,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 86 transitions, 283 flow [2024-11-19 14:01:52,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 86 transitions, 282 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 14:01:52,418 INFO L231 Difference]: Finished difference. Result has 71 places, 70 transitions, 146 flow [2024-11-19 14:01:52,423 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} [2024-11-19 14:01:52,427 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -1 predicate places. [2024-11-19 14:01:52,428 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 70 transitions, 146 flow [2024-11-19 14:01:52,429 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) [2024-11-19 14:01:52,429 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 14:01:52,430 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:01:52,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 14:01:52,430 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)] === [2024-11-19 14:01:52,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:01:52,432 INFO L85 PathProgramCache]: Analyzing trace with hash -996320534, now seen corresponding path program 1 times [2024-11-19 14:01:52,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:01:52,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569911477] [2024-11-19 14:01:52,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:01:52,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:01:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:01:52,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:01:52,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:01:52,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569911477] [2024-11-19 14:01:52,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569911477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:01:52,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:01:52,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 14:01:52,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522544928] [2024-11-19 14:01:52,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:01:52,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 14:01:52,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:01:52,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 14:01:52,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 14:01:52,587 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 75 [2024-11-19 14:01:52,588 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) [2024-11-19 14:01:52,588 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 14:01:52,589 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 75 [2024-11-19 14:01:52,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 14:01:52,787 INFO L124 PetriNetUnfolderBase]: 335/922 cut-off events. [2024-11-19 14:01:52,788 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-11-19 14:01:52,794 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. [2024-11-19 14:01:52,798 INFO L140 encePairwiseOnDemand]: 72/75 looper letters, 51 selfloop transitions, 2 changer transitions 0/85 dead transitions. [2024-11-19 14:01:52,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 85 transitions, 282 flow [2024-11-19 14:01:52,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 14:01:52,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 14:01:52,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 156 transitions. [2024-11-19 14:01:52,802 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6933333333333334 [2024-11-19 14:01:52,804 INFO L175 Difference]: Start difference. First operand has 71 places, 70 transitions, 146 flow. Second operand 3 states and 156 transitions. [2024-11-19 14:01:52,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 85 transitions, 282 flow [2024-11-19 14:01:52,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 85 transitions, 278 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 14:01:52,807 INFO L231 Difference]: Finished difference. Result has 70 places, 69 transitions, 144 flow [2024-11-19 14:01:52,808 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} [2024-11-19 14:01:52,809 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -2 predicate places. [2024-11-19 14:01:52,809 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 69 transitions, 144 flow [2024-11-19 14:01:52,809 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) [2024-11-19 14:01:52,810 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 14:01:52,810 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:01:52,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 14:01:52,811 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)] === [2024-11-19 14:01:52,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:01:52,811 INFO L85 PathProgramCache]: Analyzing trace with hash 314009172, now seen corresponding path program 1 times [2024-11-19 14:01:52,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:01:52,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066912840] [2024-11-19 14:01:52,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:01:52,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:01:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:01:52,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:01:52,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:01:52,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066912840] [2024-11-19 14:01:52,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066912840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:01:52,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:01:52,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 14:01:52,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27719212] [2024-11-19 14:01:52,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:01:52,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 14:01:52,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:01:52,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 14:01:52,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 14:01:52,942 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 75 [2024-11-19 14:01:52,943 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) [2024-11-19 14:01:52,943 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 14:01:52,943 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 75 [2024-11-19 14:01:52,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 14:01:53,152 INFO L124 PetriNetUnfolderBase]: 348/932 cut-off events. [2024-11-19 14:01:53,153 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-19 14:01:53,156 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. [2024-11-19 14:01:53,160 INFO L140 encePairwiseOnDemand]: 72/75 looper letters, 52 selfloop transitions, 2 changer transitions 0/84 dead transitions. [2024-11-19 14:01:53,161 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 84 transitions, 282 flow [2024-11-19 14:01:53,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 14:01:53,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 14:01:53,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 160 transitions. [2024-11-19 14:01:53,163 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7111111111111111 [2024-11-19 14:01:53,163 INFO L175 Difference]: Start difference. First operand has 70 places, 69 transitions, 144 flow. Second operand 3 states and 160 transitions. [2024-11-19 14:01:53,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 84 transitions, 282 flow [2024-11-19 14:01:53,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 84 transitions, 278 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 14:01:53,166 INFO L231 Difference]: Finished difference. Result has 70 places, 68 transitions, 142 flow [2024-11-19 14:01:53,166 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} [2024-11-19 14:01:53,167 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -2 predicate places. [2024-11-19 14:01:53,167 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 68 transitions, 142 flow [2024-11-19 14:01:53,167 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) [2024-11-19 14:01:53,167 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 14:01:53,167 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:01:53,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 14:01:53,168 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)] === [2024-11-19 14:01:53,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:01:53,169 INFO L85 PathProgramCache]: Analyzing trace with hash 491706580, now seen corresponding path program 1 times [2024-11-19 14:01:53,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:01:53,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951113518] [2024-11-19 14:01:53,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:01:53,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:01:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:01:53,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:01:53,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:01:53,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951113518] [2024-11-19 14:01:53,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951113518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:01:53,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:01:53,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 14:01:53,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003144023] [2024-11-19 14:01:53,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:01:53,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 14:01:53,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:01:53,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 14:01:53,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 14:01:53,265 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 75 [2024-11-19 14:01:53,265 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) [2024-11-19 14:01:53,266 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 14:01:53,266 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 75 [2024-11-19 14:01:53,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 14:01:53,422 INFO L124 PetriNetUnfolderBase]: 317/849 cut-off events. [2024-11-19 14:01:53,423 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-11-19 14:01:53,424 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. [2024-11-19 14:01:53,428 INFO L140 encePairwiseOnDemand]: 72/75 looper letters, 53 selfloop transitions, 2 changer transitions 0/81 dead transitions. [2024-11-19 14:01:53,429 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 81 transitions, 282 flow [2024-11-19 14:01:53,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 14:01:53,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 14:01:53,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 161 transitions. [2024-11-19 14:01:53,432 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7155555555555555 [2024-11-19 14:01:53,433 INFO L175 Difference]: Start difference. First operand has 70 places, 68 transitions, 142 flow. Second operand 3 states and 161 transitions. [2024-11-19 14:01:53,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 81 transitions, 282 flow [2024-11-19 14:01:53,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 81 transitions, 274 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 14:01:53,436 INFO L231 Difference]: Finished difference. Result has 66 places, 63 transitions, 132 flow [2024-11-19 14:01:53,437 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} [2024-11-19 14:01:53,437 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -6 predicate places. [2024-11-19 14:01:53,438 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 63 transitions, 132 flow [2024-11-19 14:01:53,438 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) [2024-11-19 14:01:53,438 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 14:01:53,438 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:01:53,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 14:01:53,438 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)] === [2024-11-19 14:01:53,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:01:53,439 INFO L85 PathProgramCache]: Analyzing trace with hash 812186711, now seen corresponding path program 1 times [2024-11-19 14:01:53,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:01:53,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221247864] [2024-11-19 14:01:53,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:01:53,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:01:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:01:53,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:01:53,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:01:53,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221247864] [2024-11-19 14:01:53,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221247864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:01:53,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:01:53,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 14:01:53,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884813158] [2024-11-19 14:01:53,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:01:53,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 14:01:53,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:01:53,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 14:01:53,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 14:01:53,540 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 75 [2024-11-19 14:01:53,540 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) [2024-11-19 14:01:53,540 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 14:01:53,540 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 75 [2024-11-19 14:01:53,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 14:01:53,747 INFO L124 PetriNetUnfolderBase]: 354/894 cut-off events. [2024-11-19 14:01:53,748 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-11-19 14:01:53,749 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. [2024-11-19 14:01:53,752 INFO L140 encePairwiseOnDemand]: 71/75 looper letters, 66 selfloop transitions, 3 changer transitions 0/92 dead transitions. [2024-11-19 14:01:53,753 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 92 transitions, 336 flow [2024-11-19 14:01:53,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 14:01:53,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 14:01:53,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 198 transitions. [2024-11-19 14:01:53,754 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.66 [2024-11-19 14:01:53,754 INFO L175 Difference]: Start difference. First operand has 66 places, 63 transitions, 132 flow. Second operand 4 states and 198 transitions. [2024-11-19 14:01:53,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 92 transitions, 336 flow [2024-11-19 14:01:53,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 92 transitions, 324 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 14:01:53,757 INFO L231 Difference]: Finished difference. Result has 66 places, 62 transitions, 132 flow [2024-11-19 14:01:53,758 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} [2024-11-19 14:01:53,759 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -6 predicate places. [2024-11-19 14:01:53,760 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 62 transitions, 132 flow [2024-11-19 14:01:53,760 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) [2024-11-19 14:01:53,760 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 14:01:53,761 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:01:53,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 14:01:53,761 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)] === [2024-11-19 14:01:53,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:01:53,761 INFO L85 PathProgramCache]: Analyzing trace with hash 812187764, now seen corresponding path program 1 times [2024-11-19 14:01:53,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:01:53,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412366977] [2024-11-19 14:01:53,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:01:53,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:01:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:01:53,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:01:53,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:01:53,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412366977] [2024-11-19 14:01:53,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412366977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:01:53,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:01:53,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 14:01:53,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331478672] [2024-11-19 14:01:53,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:01:53,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 14:01:53,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:01:53,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 14:01:53,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 14:01:53,865 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 75 [2024-11-19 14:01:53,866 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) [2024-11-19 14:01:53,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 14:01:53,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 75 [2024-11-19 14:01:53,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 14:01:54,074 INFO L124 PetriNetUnfolderBase]: 337/829 cut-off events. [2024-11-19 14:01:54,075 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-11-19 14:01:54,077 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. [2024-11-19 14:01:54,079 INFO L140 encePairwiseOnDemand]: 70/75 looper letters, 64 selfloop transitions, 4 changer transitions 0/89 dead transitions. [2024-11-19 14:01:54,080 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 89 transitions, 322 flow [2024-11-19 14:01:54,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 14:01:54,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 14:01:54,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 185 transitions. [2024-11-19 14:01:54,081 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6166666666666667 [2024-11-19 14:01:54,081 INFO L175 Difference]: Start difference. First operand has 66 places, 62 transitions, 132 flow. Second operand 4 states and 185 transitions. [2024-11-19 14:01:54,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 89 transitions, 322 flow [2024-11-19 14:01:54,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 89 transitions, 316 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 14:01:54,084 INFO L231 Difference]: Finished difference. Result has 63 places, 59 transitions, 128 flow [2024-11-19 14:01:54,084 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} [2024-11-19 14:01:54,085 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -9 predicate places. [2024-11-19 14:01:54,085 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 59 transitions, 128 flow [2024-11-19 14:01:54,085 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) [2024-11-19 14:01:54,085 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 14:01:54,085 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:01:54,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 14:01:54,086 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)] === [2024-11-19 14:01:54,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:01:54,086 INFO L85 PathProgramCache]: Analyzing trace with hash -592015152, now seen corresponding path program 1 times [2024-11-19 14:01:54,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:01:54,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653932305] [2024-11-19 14:01:54,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:01:54,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:01:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:01:54,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:01:54,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:01:54,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653932305] [2024-11-19 14:01:54,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653932305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:01:54,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:01:54,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 14:01:54,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299036436] [2024-11-19 14:01:54,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:01:54,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 14:01:54,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:01:54,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 14:01:54,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 14:01:54,205 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 75 [2024-11-19 14:01:54,205 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) [2024-11-19 14:01:54,205 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 14:01:54,206 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 75 [2024-11-19 14:01:54,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 14:01:54,410 INFO L124 PetriNetUnfolderBase]: 320/796 cut-off events. [2024-11-19 14:01:54,411 INFO L125 PetriNetUnfolderBase]: For 42/42 co-relation queries the response was YES. [2024-11-19 14:01:54,412 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. [2024-11-19 14:01:54,415 INFO L140 encePairwiseOnDemand]: 70/75 looper letters, 51 selfloop transitions, 4 changer transitions 15/88 dead transitions. [2024-11-19 14:01:54,415 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 88 transitions, 320 flow [2024-11-19 14:01:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 14:01:54,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 14:01:54,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 196 transitions. [2024-11-19 14:01:54,417 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6533333333333333 [2024-11-19 14:01:54,417 INFO L175 Difference]: Start difference. First operand has 63 places, 59 transitions, 128 flow. Second operand 4 states and 196 transitions. [2024-11-19 14:01:54,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 88 transitions, 320 flow [2024-11-19 14:01:54,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 88 transitions, 312 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 14:01:54,420 INFO L231 Difference]: Finished difference. Result has 62 places, 51 transitions, 112 flow [2024-11-19 14:01:54,421 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} [2024-11-19 14:01:54,422 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -10 predicate places. [2024-11-19 14:01:54,423 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 51 transitions, 112 flow [2024-11-19 14:01:54,423 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) [2024-11-19 14:01:54,424 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 14:01:54,424 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:01:54,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 14:01:54,424 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)] === [2024-11-19 14:01:54,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:01:54,425 INFO L85 PathProgramCache]: Analyzing trace with hash 83610136, now seen corresponding path program 1 times [2024-11-19 14:01:54,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:01:54,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793817930] [2024-11-19 14:01:54,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:01:54,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:01:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:01:54,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:01:54,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:01:54,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793817930] [2024-11-19 14:01:54,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793817930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:01:54,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:01:54,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 14:01:54,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614585420] [2024-11-19 14:01:54,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:01:54,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 14:01:54,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:01:54,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 14:01:54,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 14:01:54,496 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 75 [2024-11-19 14:01:54,496 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) [2024-11-19 14:01:54,496 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 14:01:54,497 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 75 [2024-11-19 14:01:54,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 14:01:54,616 INFO L124 PetriNetUnfolderBase]: 217/634 cut-off events. [2024-11-19 14:01:54,616 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-19 14:01:54,617 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. [2024-11-19 14:01:54,620 INFO L140 encePairwiseOnDemand]: 73/75 looper letters, 50 selfloop transitions, 1 changer transitions 0/68 dead transitions. [2024-11-19 14:01:54,620 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 68 transitions, 254 flow [2024-11-19 14:01:54,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 14:01:54,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 14:01:54,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 151 transitions. [2024-11-19 14:01:54,622 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6711111111111111 [2024-11-19 14:01:54,622 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 112 flow. Second operand 3 states and 151 transitions. [2024-11-19 14:01:54,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 68 transitions, 254 flow [2024-11-19 14:01:54,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 68 transitions, 240 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 14:01:54,623 INFO L231 Difference]: Finished difference. Result has 54 places, 50 transitions, 104 flow [2024-11-19 14:01:54,624 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} [2024-11-19 14:01:54,624 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -18 predicate places. [2024-11-19 14:01:54,624 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 50 transitions, 104 flow [2024-11-19 14:01:54,625 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) [2024-11-19 14:01:54,625 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 14:01:54,625 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:01:54,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 14:01:54,625 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)] === [2024-11-19 14:01:54,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:01:54,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1703053439, now seen corresponding path program 1 times [2024-11-19 14:01:54,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:01:54,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180208171] [2024-11-19 14:01:54,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:01:54,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:01:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:01:54,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:01:54,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:01:54,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180208171] [2024-11-19 14:01:54,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180208171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:01:54,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:01:54,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 14:01:54,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464467441] [2024-11-19 14:01:54,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:01:54,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 14:01:54,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:01:54,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 14:01:54,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 14:01:54,782 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 75 [2024-11-19 14:01:54,783 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) [2024-11-19 14:01:54,783 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 14:01:54,783 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 75 [2024-11-19 14:01:54,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 14:01:55,060 INFO L124 PetriNetUnfolderBase]: 378/953 cut-off events. [2024-11-19 14:01:55,060 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-19 14:01:55,062 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. [2024-11-19 14:01:55,065 INFO L140 encePairwiseOnDemand]: 69/75 looper letters, 84 selfloop transitions, 7 changer transitions 0/106 dead transitions. [2024-11-19 14:01:55,065 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 106 transitions, 402 flow [2024-11-19 14:01:55,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 14:01:55,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-19 14:01:55,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 312 transitions. [2024-11-19 14:01:55,067 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5942857142857143 [2024-11-19 14:01:55,067 INFO L175 Difference]: Start difference. First operand has 54 places, 50 transitions, 104 flow. Second operand 7 states and 312 transitions. [2024-11-19 14:01:55,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 106 transitions, 402 flow [2024-11-19 14:01:55,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 106 transitions, 399 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 14:01:55,071 INFO L231 Difference]: Finished difference. Result has 62 places, 55 transitions, 148 flow [2024-11-19 14:01:55,073 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} [2024-11-19 14:01:55,074 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -10 predicate places. [2024-11-19 14:01:55,074 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 55 transitions, 148 flow [2024-11-19 14:01:55,074 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) [2024-11-19 14:01:55,074 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 14:01:55,074 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:01:55,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 14:01:55,075 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)] === [2024-11-19 14:01:55,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:01:55,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1255048389, now seen corresponding path program 1 times [2024-11-19 14:01:55,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:01:55,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414276712] [2024-11-19 14:01:55,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:01:55,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:01:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:01:55,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:01:55,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:01:55,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414276712] [2024-11-19 14:01:55,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414276712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:01:55,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:01:55,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 14:01:55,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229432220] [2024-11-19 14:01:55,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:01:55,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 14:01:55,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:01:55,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 14:01:55,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 14:01:55,162 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 75 [2024-11-19 14:01:55,163 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) [2024-11-19 14:01:55,163 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 14:01:55,163 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 75 [2024-11-19 14:01:55,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 14:01:55,348 INFO L124 PetriNetUnfolderBase]: 327/939 cut-off events. [2024-11-19 14:01:55,349 INFO L125 PetriNetUnfolderBase]: For 150/150 co-relation queries the response was YES. [2024-11-19 14:01:55,351 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. [2024-11-19 14:01:55,354 INFO L140 encePairwiseOnDemand]: 70/75 looper letters, 68 selfloop transitions, 5 changer transitions 0/88 dead transitions. [2024-11-19 14:01:55,355 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 88 transitions, 360 flow [2024-11-19 14:01:55,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 14:01:55,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 14:01:55,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 195 transitions. [2024-11-19 14:01:55,356 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.65 [2024-11-19 14:01:55,356 INFO L175 Difference]: Start difference. First operand has 62 places, 55 transitions, 148 flow. Second operand 4 states and 195 transitions. [2024-11-19 14:01:55,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 88 transitions, 360 flow [2024-11-19 14:01:55,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 88 transitions, 360 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 14:01:55,359 INFO L231 Difference]: Finished difference. Result has 64 places, 53 transitions, 150 flow [2024-11-19 14:01:55,359 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} [2024-11-19 14:01:55,360 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -8 predicate places. [2024-11-19 14:01:55,360 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 53 transitions, 150 flow [2024-11-19 14:01:55,360 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) [2024-11-19 14:01:55,361 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 14:01:55,361 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] [2024-11-19 14:01:55,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 14:01:55,361 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)] === [2024-11-19 14:01:55,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:01:55,362 INFO L85 PathProgramCache]: Analyzing trace with hash 814857686, now seen corresponding path program 1 times [2024-11-19 14:01:55,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:01:55,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513220310] [2024-11-19 14:01:55,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:01:55,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:01:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:01:55,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:01:55,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:01:55,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513220310] [2024-11-19 14:01:55,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513220310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:01:55,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:01:55,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 14:01:55,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710677530] [2024-11-19 14:01:55,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:01:55,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 14:01:55,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:01:55,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 14:01:55,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 14:01:55,455 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 75 [2024-11-19 14:01:55,456 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) [2024-11-19 14:01:55,456 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 14:01:55,456 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 75 [2024-11-19 14:01:55,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 14:01:55,624 INFO L124 PetriNetUnfolderBase]: 341/911 cut-off events. [2024-11-19 14:01:55,624 INFO L125 PetriNetUnfolderBase]: For 250/250 co-relation queries the response was YES. [2024-11-19 14:01:55,626 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. [2024-11-19 14:01:55,629 INFO L140 encePairwiseOnDemand]: 72/75 looper letters, 60 selfloop transitions, 2 changer transitions 13/88 dead transitions. [2024-11-19 14:01:55,629 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 88 transitions, 378 flow [2024-11-19 14:01:55,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 14:01:55,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 14:01:55,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 203 transitions. [2024-11-19 14:01:55,630 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6766666666666666 [2024-11-19 14:01:55,631 INFO L175 Difference]: Start difference. First operand has 64 places, 53 transitions, 150 flow. Second operand 4 states and 203 transitions. [2024-11-19 14:01:55,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 88 transitions, 378 flow [2024-11-19 14:01:55,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 88 transitions, 368 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 14:01:55,634 INFO L231 Difference]: Finished difference. Result has 63 places, 47 transitions, 115 flow [2024-11-19 14:01:55,634 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} [2024-11-19 14:01:55,635 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -9 predicate places. [2024-11-19 14:01:55,635 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 47 transitions, 115 flow [2024-11-19 14:01:55,635 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) [2024-11-19 14:01:55,635 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 14:01:55,635 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:01:55,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 14:01:55,636 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)] === [2024-11-19 14:01:55,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:01:55,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1162788242, now seen corresponding path program 1 times [2024-11-19 14:01:55,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:01:55,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731761691] [2024-11-19 14:01:55,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:01:55,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:01:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:01:55,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:01:55,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:01:55,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731761691] [2024-11-19 14:01:55,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731761691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:01:55,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:01:55,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 14:01:55,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614943134] [2024-11-19 14:01:55,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:01:55,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 14:01:55,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:01:55,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 14:01:55,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-19 14:01:55,889 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 75 [2024-11-19 14:01:55,890 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) [2024-11-19 14:01:55,890 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 14:01:55,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 75 [2024-11-19 14:01:55,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 14:01:56,193 INFO L124 PetriNetUnfolderBase]: 269/692 cut-off events. [2024-11-19 14:01:56,194 INFO L125 PetriNetUnfolderBase]: For 105/105 co-relation queries the response was YES. [2024-11-19 14:01:56,196 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. [2024-11-19 14:01:56,198 INFO L140 encePairwiseOnDemand]: 68/75 looper letters, 43 selfloop transitions, 4 changer transitions 45/105 dead transitions. [2024-11-19 14:01:56,198 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 105 transitions, 431 flow [2024-11-19 14:01:56,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 14:01:56,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-19 14:01:56,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 318 transitions. [2024-11-19 14:01:56,200 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.53 [2024-11-19 14:01:56,200 INFO L175 Difference]: Start difference. First operand has 63 places, 47 transitions, 115 flow. Second operand 8 states and 318 transitions. [2024-11-19 14:01:56,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 105 transitions, 431 flow [2024-11-19 14:01:56,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 105 transitions, 408 flow, removed 5 selfloop flow, removed 6 redundant places. [2024-11-19 14:01:56,204 INFO L231 Difference]: Finished difference. Result has 65 places, 47 transitions, 122 flow [2024-11-19 14:01:56,204 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} [2024-11-19 14:01:56,206 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -7 predicate places. [2024-11-19 14:01:56,206 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 47 transitions, 122 flow [2024-11-19 14:01:56,207 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) [2024-11-19 14:01:56,207 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 14:01:56,207 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] [2024-11-19 14:01:56,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 14:01:56,207 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)] === [2024-11-19 14:01:56,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:01:56,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1658371059, now seen corresponding path program 1 times [2024-11-19 14:01:56,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:01:56,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116033948] [2024-11-19 14:01:56,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:01:56,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:01:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:01:56,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:01:56,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:01:56,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116033948] [2024-11-19 14:01:56,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116033948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:01:56,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:01:56,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 14:01:56,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403648498] [2024-11-19 14:01:56,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:01:56,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 14:01:56,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:01:56,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 14:01:56,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 14:01:56,463 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 75 [2024-11-19 14:01:56,464 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) [2024-11-19 14:01:56,464 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 14:01:56,464 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 75 [2024-11-19 14:01:56,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 14:01:56,656 INFO L124 PetriNetUnfolderBase]: 125/367 cut-off events. [2024-11-19 14:01:56,656 INFO L125 PetriNetUnfolderBase]: For 61/61 co-relation queries the response was YES. [2024-11-19 14:01:56,657 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. [2024-11-19 14:01:56,658 INFO L140 encePairwiseOnDemand]: 70/75 looper letters, 36 selfloop transitions, 3 changer transitions 13/66 dead transitions. [2024-11-19 14:01:56,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 66 transitions, 268 flow [2024-11-19 14:01:56,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 14:01:56,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 14:01:56,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 264 transitions. [2024-11-19 14:01:56,660 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5866666666666667 [2024-11-19 14:01:56,660 INFO L175 Difference]: Start difference. First operand has 65 places, 47 transitions, 122 flow. Second operand 6 states and 264 transitions. [2024-11-19 14:01:56,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 66 transitions, 268 flow [2024-11-19 14:01:56,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 66 transitions, 246 flow, removed 6 selfloop flow, removed 8 redundant places. [2024-11-19 14:01:56,662 INFO L231 Difference]: Finished difference. Result has 61 places, 47 transitions, 116 flow [2024-11-19 14:01:56,662 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} [2024-11-19 14:01:56,663 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -11 predicate places. [2024-11-19 14:01:56,663 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 47 transitions, 116 flow [2024-11-19 14:01:56,663 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) [2024-11-19 14:01:56,664 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 14:01:56,664 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] [2024-11-19 14:01:56,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 14:01:56,664 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)] === [2024-11-19 14:01:56,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:01:56,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1567672138, now seen corresponding path program 1 times [2024-11-19 14:01:56,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:01:56,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762486109] [2024-11-19 14:01:56,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:01:56,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:01:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:01:56,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:01:56,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:01:56,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762486109] [2024-11-19 14:01:56,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762486109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:01:56,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:01:56,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 14:01:56,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544144812] [2024-11-19 14:01:56,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:01:56,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 14:01:56,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:01:56,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 14:01:56,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-19 14:01:56,914 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 75 [2024-11-19 14:01:56,915 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) [2024-11-19 14:01:56,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 14:01:56,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 75 [2024-11-19 14:01:56,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 14:01:57,119 INFO L124 PetriNetUnfolderBase]: 117/322 cut-off events. [2024-11-19 14:01:57,120 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2024-11-19 14:01:57,120 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. [2024-11-19 14:01:57,121 INFO L140 encePairwiseOnDemand]: 69/75 looper letters, 0 selfloop transitions, 0 changer transitions 72/72 dead transitions. [2024-11-19 14:01:57,121 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 72 transitions, 294 flow [2024-11-19 14:01:57,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 14:01:57,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-19 14:01:57,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 277 transitions. [2024-11-19 14:01:57,123 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.46166666666666667 [2024-11-19 14:01:57,123 INFO L175 Difference]: Start difference. First operand has 61 places, 47 transitions, 116 flow. Second operand 8 states and 277 transitions. [2024-11-19 14:01:57,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 72 transitions, 294 flow [2024-11-19 14:01:57,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 72 transitions, 280 flow, removed 4 selfloop flow, removed 5 redundant places. [2024-11-19 14:01:57,124 INFO L231 Difference]: Finished difference. Result has 60 places, 0 transitions, 0 flow [2024-11-19 14:01:57,125 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} [2024-11-19 14:01:57,125 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, -12 predicate places. [2024-11-19 14:01:57,125 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 0 transitions, 0 flow [2024-11-19 14:01:57,126 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) [2024-11-19 14:01:57,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 19 remaining) [2024-11-19 14:01:57,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 19 remaining) [2024-11-19 14:01:57,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 19 remaining) [2024-11-19 14:01:57,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 19 remaining) [2024-11-19 14:01:57,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 19 remaining) [2024-11-19 14:01:57,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 19 remaining) [2024-11-19 14:01:57,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 19 remaining) [2024-11-19 14:01:57,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 19 remaining) [2024-11-19 14:01:57,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 19 remaining) [2024-11-19 14:01:57,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 19 remaining) [2024-11-19 14:01:57,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 19 remaining) [2024-11-19 14:01:57,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 19 remaining) [2024-11-19 14:01:57,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 19 remaining) [2024-11-19 14:01:57,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 19 remaining) [2024-11-19 14:01:57,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 19 remaining) [2024-11-19 14:01:57,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 19 remaining) [2024-11-19 14:01:57,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 19 remaining) [2024-11-19 14:01:57,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 19 remaining) [2024-11-19 14:01:57,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 19 remaining) [2024-11-19 14:01:57,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 14:01:57,132 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:01:57,137 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-19 14:01:57,137 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 14:01:57,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 02:01:57 BasicIcfg [2024-11-19 14:01:57,145 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 14:01:57,145 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:01:57,146 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:01:57,146 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:01:57,146 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:01:51" (3/4) ... [2024-11-19 14:01:57,148 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 14:01:57,151 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-19 14:01:57,155 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2024-11-19 14:01:57,156 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-19 14:01:57,156 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-19 14:01:57,156 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 14:01:57,238 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 14:01:57,239 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 14:01:57,239 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:01:57,240 INFO L158 Benchmark]: Toolchain (without parser) took 7499.28ms. Allocated memory was 151.0MB in the beginning and 253.8MB in the end (delta: 102.8MB). Free memory was 92.5MB in the beginning and 134.8MB in the end (delta: -42.3MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. [2024-11-19 14:01:57,240 INFO L158 Benchmark]: CDTParser took 1.06ms. Allocated memory is still 151.0MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:01:57,240 INFO L158 Benchmark]: CACSL2BoogieTranslator took 535.60ms. Allocated memory is still 151.0MB. Free memory was 92.5MB in the beginning and 69.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-19 14:01:57,240 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.83ms. Allocated memory is still 151.0MB. Free memory was 69.1MB in the beginning and 121.3MB in the end (delta: -52.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 14:01:57,241 INFO L158 Benchmark]: Boogie Preprocessor took 61.73ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 121.3MB in the beginning and 172.0MB in the end (delta: -50.7MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-11-19 14:01:57,241 INFO L158 Benchmark]: RCFGBuilder took 855.72ms. Allocated memory is still 201.3MB. Free memory was 172.0MB in the beginning and 115.4MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-11-19 14:01:57,241 INFO L158 Benchmark]: TraceAbstraction took 5876.36ms. Allocated memory was 201.3MB in the beginning and 253.8MB in the end (delta: 52.4MB). Free memory was 114.4MB in the beginning and 140.1MB in the end (delta: -25.7MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2024-11-19 14:01:57,241 INFO L158 Benchmark]: Witness Printer took 93.76ms. Allocated memory is still 253.8MB. Free memory was 140.1MB in the beginning and 134.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 14:01:57,243 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06ms. Allocated memory is still 151.0MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 535.60ms. Allocated memory is still 151.0MB. Free memory was 92.5MB in the beginning and 69.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.83ms. Allocated memory is still 151.0MB. Free memory was 69.1MB in the beginning and 121.3MB in the end (delta: -52.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.73ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 121.3MB in the beginning and 172.0MB in the end (delta: -50.7MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * RCFGBuilder took 855.72ms. Allocated memory is still 201.3MB. Free memory was 172.0MB in the beginning and 115.4MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5876.36ms. Allocated memory was 201.3MB in the beginning and 253.8MB in the end (delta: 52.4MB). Free memory was 114.4MB in the beginning and 140.1MB in the end (delta: -25.7MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Witness Printer took 93.76ms. Allocated memory is still 253.8MB. Free memory was 140.1MB in the beginning and 134.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 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: 5.7s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1054 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 872 mSDsluCounter, 280 SdHoareTripleChecker+Invalid, 1.6s 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, 0.2s SatisfiabilityAnalysisTime, 1.4s 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! [2024-11-19 14:01:57,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE