./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_08_good.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 64bit --witnessprinter.graph.data.programhash fc83cc3a8494e0af091735c8106bea1410f38e97d23242a4859bffcacf6cc37f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:08:41,038 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:08:41,120 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-11 23:08:41,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:08:41,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:08:41,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:08:41,155 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:08:41,156 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:08:41,156 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:08:41,157 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:08:41,157 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:08:41,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:08:41,159 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:08:41,159 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:08:41,162 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:08:41,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:08:41,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:08:41,163 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 23:08:41,163 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:08:41,163 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:08:41,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:08:41,169 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:08:41,170 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:08:41,170 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:08:41,170 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:08:41,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:08:41,171 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:08:41,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:08:41,171 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:08:41,171 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:08:41,172 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:08:41,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:08:41,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:08:41,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:08:41,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:08:41,173 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 23:08:41,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 23:08:41,173 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:08:41,173 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:08:41,174 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:08:41,174 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:08:41,175 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc83cc3a8494e0af091735c8106bea1410f38e97d23242a4859bffcacf6cc37f [2024-10-11 23:08:41,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:08:41,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:08:41,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:08:41,483 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:08:41,484 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:08:41,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_08_good.i [2024-10-11 23:08:42,915 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:08:42,941 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException at org.eclipse.cdt.internal.core.model.PathEntry.kindFromString(PathEntry.java:80) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.decodePathEntry(DefaultPathEntryStore.java:127) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.getRawPathEntries(DefaultPathEntryStore.java:97) at org.eclipse.cdt.internal.core.model.PathEntryStoreProxy.getRawPathEntries(PathEntryStoreProxy.java:102) at org.eclipse.cdt.internal.core.model.PathEntryManager.getRawPathEntries(PathEntryManager.java:666) at org.eclipse.cdt.core.model.CoreModel.getRawPathEntries(CoreModel.java:937) at org.eclipse.cdt.core.model.CoreModel.oldIsScannerInformationEmpty(CoreModel.java:1307) at org.eclipse.cdt.core.model.CoreModel.isScannerInformationEmpty(CoreModel.java:1252) at org.eclipse.cdt.internal.core.pdom.indexer.ProjectIndexerInputAdapter.isFileBuildConfigured(ProjectIndexerInputAdapter.java:267) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.isRequiredInIndex(AbstractIndexerTask.java:748) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractFiles(AbstractIndexerTask.java:667) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:558) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:164) at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-10-11 23:08:43,236 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:08:43,236 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_08_good.i [2024-10-11 23:08:43,269 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/c75c441de/001edbacf701440cb4389aa1cc1d4254/FLAG573670a07 [2024-10-11 23:08:43,486 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/c75c441de/001edbacf701440cb4389aa1cc1d4254 [2024-10-11 23:08:43,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:08:43,489 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:08:43,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:08:43,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:08:43,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:08:43,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:08:43" (1/1) ... [2024-10-11 23:08:43,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@136e88ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:08:43, skipping insertion in model container [2024-10-11 23:08:43,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:08:43" (1/1) ... [2024-10-11 23:08:43,565 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:08:44,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:08:44,415 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:08:44,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:08:44,651 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:08:44,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:08:44 WrapperNode [2024-10-11 23:08:44,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:08:44,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:08:44,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:08:44,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:08:44,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:08:44" (1/1) ... [2024-10-11 23:08:44,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:08:44" (1/1) ... [2024-10-11 23:08:44,721 INFO L138 Inliner]: procedures = 503, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 129 [2024-10-11 23:08:44,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:08:44,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:08:44,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:08:44,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:08:44,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:08:44" (1/1) ... [2024-10-11 23:08:44,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:08:44" (1/1) ... [2024-10-11 23:08:44,737 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:08:44" (1/1) ... [2024-10-11 23:08:44,748 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-11 23:08:44,752 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:08:44" (1/1) ... [2024-10-11 23:08:44,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:08:44" (1/1) ... [2024-10-11 23:08:44,759 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:08:44" (1/1) ... [2024-10-11 23:08:44,762 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:08:44" (1/1) ... [2024-10-11 23:08:44,764 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:08:44" (1/1) ... [2024-10-11 23:08:44,765 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:08:44" (1/1) ... [2024-10-11 23:08:44,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:08:44,771 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:08:44,771 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:08:44,771 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:08:44,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:08:44" (1/1) ... [2024-10-11 23:08:44,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:08:44,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:08:44,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 23:08:44,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 23:08:44,855 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-11 23:08:44,856 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-11 23:08:44,856 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-11 23:08:44,857 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-11 23:08:44,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:08:44,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:08:44,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:08:44,857 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-10-11 23:08:44,857 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-10-11 23:08:44,858 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2024-10-11 23:08:44,859 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2024-10-11 23:08:45,019 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:08:45,021 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:08:45,225 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-10-11 23:08:45,225 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:08:45,272 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:08:45,275 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 23:08:45,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:08:45 BoogieIcfgContainer [2024-10-11 23:08:45,276 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:08:45,278 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:08:45,278 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:08:45,282 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:08:45,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:08:43" (1/3) ... [2024-10-11 23:08:45,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a0c586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:08:45, skipping insertion in model container [2024-10-11 23:08:45,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:08:44" (2/3) ... [2024-10-11 23:08:45,285 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a0c586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:08:45, skipping insertion in model container [2024-10-11 23:08:45,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:08:45" (3/3) ... [2024-10-11 23:08:45,287 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_08_good.i [2024-10-11 23:08:45,303 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:08:45,303 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-11 23:08:45,389 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:08:45,402 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;@3581c6c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:08:45,403 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-11 23:08:45,411 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 55 states have internal predecessors, (66), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 23:08:45,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-11 23:08:45,443 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:08:45,445 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:08:45,445 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:08:45,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:08:45,455 INFO L85 PathProgramCache]: Analyzing trace with hash 55766273, now seen corresponding path program 1 times [2024-10-11 23:08:45,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:08:45,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597741124] [2024-10-11 23:08:45,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:08:45,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:08:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:45,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 23:08:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:45,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 23:08:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:45,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 23:08:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:45,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:08:45,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:08:45,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597741124] [2024-10-11 23:08:45,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597741124] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:08:45,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:08:45,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:08:45,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062009557] [2024-10-11 23:08:45,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:08:45,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:08:45,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:08:45,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:08:45,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:08:45,820 INFO L87 Difference]: Start difference. First operand has 78 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 55 states have internal predecessors, (66), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 23:08:45,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:08:45,900 INFO L93 Difference]: Finished difference Result 145 states and 189 transitions. [2024-10-11 23:08:45,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:08:45,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 19 [2024-10-11 23:08:45,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:08:45,911 INFO L225 Difference]: With dead ends: 145 [2024-10-11 23:08:45,911 INFO L226 Difference]: Without dead ends: 78 [2024-10-11 23:08:45,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:08:45,916 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 7 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:08:45,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 185 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:08:45,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-10-11 23:08:45,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 75. [2024-10-11 23:08:45,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 47 states have (on average 1.3617021276595744) internal successors, (64), 53 states have internal predecessors, (64), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 23:08:45,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 98 transitions. [2024-10-11 23:08:45,955 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 98 transitions. Word has length 19 [2024-10-11 23:08:45,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:08:45,956 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 98 transitions. [2024-10-11 23:08:45,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 23:08:45,956 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 98 transitions. [2024-10-11 23:08:45,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-11 23:08:45,958 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:08:45,958 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:08:45,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 23:08:45,958 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:08:45,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:08:45,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1728754533, now seen corresponding path program 1 times [2024-10-11 23:08:45,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:08:45,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482227798] [2024-10-11 23:08:45,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:08:45,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:08:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 23:08:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 23:08:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 23:08:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:08:46,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:08:46,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482227798] [2024-10-11 23:08:46,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482227798] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:08:46,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:08:46,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:08:46,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861757063] [2024-10-11 23:08:46,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:08:46,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:08:46,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:08:46,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:08:46,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:08:46,095 INFO L87 Difference]: Start difference. First operand 75 states and 98 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 23:08:46,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:08:46,127 INFO L93 Difference]: Finished difference Result 76 states and 99 transitions. [2024-10-11 23:08:46,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:08:46,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2024-10-11 23:08:46,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:08:46,129 INFO L225 Difference]: With dead ends: 76 [2024-10-11 23:08:46,130 INFO L226 Difference]: Without dead ends: 75 [2024-10-11 23:08:46,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:08:46,131 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 4 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:08:46,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 155 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:08:46,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-10-11 23:08:46,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2024-10-11 23:08:46,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 52 states have internal predecessors, (63), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 23:08:46,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 97 transitions. [2024-10-11 23:08:46,141 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 97 transitions. Word has length 20 [2024-10-11 23:08:46,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:08:46,142 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 97 transitions. [2024-10-11 23:08:46,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-11 23:08:46,142 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2024-10-11 23:08:46,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-11 23:08:46,143 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:08:46,143 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:08:46,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 23:08:46,144 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:08:46,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:08:46,144 INFO L85 PathProgramCache]: Analyzing trace with hash -447765931, now seen corresponding path program 1 times [2024-10-11 23:08:46,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:08:46,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033738231] [2024-10-11 23:08:46,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:08:46,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:08:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 23:08:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 23:08:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 23:08:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 23:08:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 23:08:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 23:08:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,336 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-11 23:08:46,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:08:46,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033738231] [2024-10-11 23:08:46,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033738231] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:08:46,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:08:46,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:08:46,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305228379] [2024-10-11 23:08:46,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:08:46,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:08:46,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:08:46,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:08:46,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:08:46,343 INFO L87 Difference]: Start difference. First operand 74 states and 97 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 23:08:46,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:08:46,384 INFO L93 Difference]: Finished difference Result 126 states and 161 transitions. [2024-10-11 23:08:46,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:08:46,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 36 [2024-10-11 23:08:46,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:08:46,386 INFO L225 Difference]: With dead ends: 126 [2024-10-11 23:08:46,386 INFO L226 Difference]: Without dead ends: 72 [2024-10-11 23:08:46,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:08:46,387 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:08:46,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 240 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:08:46,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-10-11 23:08:46,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-10-11 23:08:46,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 51 states have internal predecessors, (60), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 23:08:46,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2024-10-11 23:08:46,397 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 36 [2024-10-11 23:08:46,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:08:46,398 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2024-10-11 23:08:46,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 23:08:46,398 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2024-10-11 23:08:46,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-11 23:08:46,399 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:08:46,399 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:08:46,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 23:08:46,400 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:08:46,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:08:46,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1190157882, now seen corresponding path program 1 times [2024-10-11 23:08:46,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:08:46,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355142747] [2024-10-11 23:08:46,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:08:46,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:08:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 23:08:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 23:08:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 23:08:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 23:08:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 23:08:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 23:08:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 23:08:46,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:08:46,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355142747] [2024-10-11 23:08:46,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355142747] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:08:46,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:08:46,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:08:46,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523112871] [2024-10-11 23:08:46,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:08:46,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:08:46,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:08:46,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:08:46,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:08:46,519 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-11 23:08:46,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:08:46,572 INFO L93 Difference]: Finished difference Result 115 states and 144 transitions. [2024-10-11 23:08:46,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:08:46,573 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 37 [2024-10-11 23:08:46,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:08:46,575 INFO L225 Difference]: With dead ends: 115 [2024-10-11 23:08:46,575 INFO L226 Difference]: Without dead ends: 76 [2024-10-11 23:08:46,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:08:46,577 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 6 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:08:46,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 157 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:08:46,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-10-11 23:08:46,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2024-10-11 23:08:46,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 53 states have internal predecessors, (63), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 23:08:46,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 97 transitions. [2024-10-11 23:08:46,587 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 97 transitions. Word has length 37 [2024-10-11 23:08:46,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:08:46,588 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 97 transitions. [2024-10-11 23:08:46,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-11 23:08:46,588 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2024-10-11 23:08:46,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-11 23:08:46,591 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:08:46,591 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:08:46,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 23:08:46,592 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:08:46,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:08:46,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1759811224, now seen corresponding path program 1 times [2024-10-11 23:08:46,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:08:46,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119968832] [2024-10-11 23:08:46,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:08:46,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:08:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 23:08:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 23:08:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 23:08:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 23:08:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 23:08:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 23:08:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,693 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 23:08:46,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:08:46,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119968832] [2024-10-11 23:08:46,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119968832] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:08:46,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:08:46,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:08:46,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733421318] [2024-10-11 23:08:46,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:08:46,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:08:46,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:08:46,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:08:46,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:08:46,700 INFO L87 Difference]: Start difference. First operand 75 states and 97 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 23:08:46,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:08:46,728 INFO L93 Difference]: Finished difference Result 76 states and 98 transitions. [2024-10-11 23:08:46,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:08:46,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 38 [2024-10-11 23:08:46,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:08:46,732 INFO L225 Difference]: With dead ends: 76 [2024-10-11 23:08:46,732 INFO L226 Difference]: Without dead ends: 75 [2024-10-11 23:08:46,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:08:46,733 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 3 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:08:46,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 144 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:08:46,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-10-11 23:08:46,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2024-10-11 23:08:46,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 49 states have (on average 1.2653061224489797) internal successors, (62), 52 states have internal predecessors, (62), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 23:08:46,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 96 transitions. [2024-10-11 23:08:46,747 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 96 transitions. Word has length 38 [2024-10-11 23:08:46,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:08:46,747 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 96 transitions. [2024-10-11 23:08:46,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 23:08:46,748 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 96 transitions. [2024-10-11 23:08:46,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-11 23:08:46,749 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:08:46,749 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 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, 1, 1, 1, 1] [2024-10-11 23:08:46,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 23:08:46,750 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:08:46,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:08:46,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1336940069, now seen corresponding path program 1 times [2024-10-11 23:08:46,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:08:46,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329148163] [2024-10-11 23:08:46,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:08:46,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:08:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 23:08:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 23:08:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 23:08:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 23:08:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 23:08:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 23:08:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 23:08:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 23:08:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,865 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 23:08:46,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:08:46,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329148163] [2024-10-11 23:08:46,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329148163] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:08:46,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099743250] [2024-10-11 23:08:46,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:08:46,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:08:46,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:08:46,870 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:08:46,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 23:08:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:46,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 23:08:46,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:08:47,038 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-11 23:08:47,040 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:08:47,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099743250] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:08:47,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:08:47,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-11 23:08:47,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317555360] [2024-10-11 23:08:47,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:08:47,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:08:47,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:08:47,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:08:47,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:08:47,043 INFO L87 Difference]: Start difference. First operand 74 states and 96 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-11 23:08:47,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:08:47,072 INFO L93 Difference]: Finished difference Result 75 states and 97 transitions. [2024-10-11 23:08:47,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:08:47,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2024-10-11 23:08:47,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:08:47,074 INFO L225 Difference]: With dead ends: 75 [2024-10-11 23:08:47,074 INFO L226 Difference]: Without dead ends: 74 [2024-10-11 23:08:47,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:08:47,075 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 5 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:08:47,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 142 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:08:47,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-10-11 23:08:47,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2024-10-11 23:08:47,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 49 states have (on average 1.2448979591836735) internal successors, (61), 51 states have internal predecessors, (61), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 23:08:47,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 95 transitions. [2024-10-11 23:08:47,088 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 95 transitions. Word has length 47 [2024-10-11 23:08:47,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:08:47,089 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 95 transitions. [2024-10-11 23:08:47,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-11 23:08:47,089 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2024-10-11 23:08:47,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-11 23:08:47,090 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:08:47,090 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 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, 1, 1, 1, 1, 1] [2024-10-11 23:08:47,109 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 23:08:47,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:08:47,292 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:08:47,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:08:47,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1504530949, now seen corresponding path program 1 times [2024-10-11 23:08:47,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:08:47,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126719643] [2024-10-11 23:08:47,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:08:47,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:08:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:47,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 23:08:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:47,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 23:08:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:47,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 23:08:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:47,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 23:08:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:47,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 23:08:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:47,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 23:08:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:47,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 23:08:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:47,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 23:08:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:47,410 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 23:08:47,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:08:47,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126719643] [2024-10-11 23:08:47,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126719643] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:08:47,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595775836] [2024-10-11 23:08:47,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:08:47,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:08:47,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:08:47,416 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:08:47,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 23:08:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:47,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 23:08:47,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:08:47,524 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-11 23:08:47,526 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:08:47,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595775836] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:08:47,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:08:47,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-11 23:08:47,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582372271] [2024-10-11 23:08:47,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:08:47,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:08:47,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:08:47,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:08:47,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:08:47,529 INFO L87 Difference]: Start difference. First operand 73 states and 95 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-11 23:08:47,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:08:47,558 INFO L93 Difference]: Finished difference Result 80 states and 104 transitions. [2024-10-11 23:08:47,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:08:47,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 48 [2024-10-11 23:08:47,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:08:47,559 INFO L225 Difference]: With dead ends: 80 [2024-10-11 23:08:47,560 INFO L226 Difference]: Without dead ends: 79 [2024-10-11 23:08:47,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:08:47,561 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 1 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:08:47,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 152 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:08:47,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-11 23:08:47,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 78. [2024-10-11 23:08:47,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 53 states have (on average 1.2452830188679245) internal successors, (66), 55 states have internal predecessors, (66), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 23:08:47,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 102 transitions. [2024-10-11 23:08:47,569 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 102 transitions. Word has length 48 [2024-10-11 23:08:47,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:08:47,570 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 102 transitions. [2024-10-11 23:08:47,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-11 23:08:47,570 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2024-10-11 23:08:47,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-11 23:08:47,572 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:08:47,572 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2024-10-11 23:08:47,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 23:08:47,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:08:47,773 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:08:47,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:08:47,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1568681842, now seen corresponding path program 1 times [2024-10-11 23:08:47,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:08:47,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908496443] [2024-10-11 23:08:47,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:08:47,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:08:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:47,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 23:08:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:47,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 23:08:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:47,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 23:08:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:47,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 23:08:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:47,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 23:08:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:47,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 23:08:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:47,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 23:08:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:47,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 23:08:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:47,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 23:08:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:47,899 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-11 23:08:47,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:08:47,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908496443] [2024-10-11 23:08:47,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908496443] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:08:47,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105019547] [2024-10-11 23:08:47,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:08:47,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:08:47,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:08:47,902 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:08:47,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 23:08:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:47,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 23:08:47,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:08:48,026 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:08:48,026 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:08:48,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105019547] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:08:48,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:08:48,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-11 23:08:48,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448425830] [2024-10-11 23:08:48,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:08:48,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:08:48,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:08:48,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:08:48,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:08:48,029 INFO L87 Difference]: Start difference. First operand 78 states and 102 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 23:08:48,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:08:48,053 INFO L93 Difference]: Finished difference Result 79 states and 103 transitions. [2024-10-11 23:08:48,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:08:48,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 54 [2024-10-11 23:08:48,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:08:48,055 INFO L225 Difference]: With dead ends: 79 [2024-10-11 23:08:48,055 INFO L226 Difference]: Without dead ends: 78 [2024-10-11 23:08:48,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:08:48,056 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 1 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:08:48,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 142 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:08:48,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-10-11 23:08:48,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 72. [2024-10-11 23:08:48,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 49 states have (on average 1.2244897959183674) internal successors, (60), 50 states have internal predecessors, (60), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 23:08:48,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 94 transitions. [2024-10-11 23:08:48,069 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 94 transitions. Word has length 54 [2024-10-11 23:08:48,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:08:48,070 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 94 transitions. [2024-10-11 23:08:48,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 23:08:48,070 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2024-10-11 23:08:48,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-11 23:08:48,075 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:08:48,076 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:08:48,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 23:08:48,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:08:48,277 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:08:48,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:08:48,277 INFO L85 PathProgramCache]: Analyzing trace with hash -240458698, now seen corresponding path program 1 times [2024-10-11 23:08:48,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:08:48,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178419140] [2024-10-11 23:08:48,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:08:48,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:08:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:48,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 23:08:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:48,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 23:08:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:48,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 23:08:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:48,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 23:08:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:48,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 23:08:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:48,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 23:08:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:48,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 23:08:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:48,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 23:08:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:48,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 23:08:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:48,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 23:08:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:48,406 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-11 23:08:48,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:08:48,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178419140] [2024-10-11 23:08:48,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178419140] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:08:48,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569823963] [2024-10-11 23:08:48,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:08:48,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:08:48,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:08:48,408 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:08:48,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 23:08:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:48,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 23:08:48,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:08:48,515 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-11 23:08:48,516 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:08:48,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569823963] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:08:48,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:08:48,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-11 23:08:48,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426748143] [2024-10-11 23:08:48,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:08:48,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:08:48,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:08:48,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:08:48,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:08:48,518 INFO L87 Difference]: Start difference. First operand 72 states and 94 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 23:08:48,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:08:48,540 INFO L93 Difference]: Finished difference Result 72 states and 94 transitions. [2024-10-11 23:08:48,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:08:48,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 58 [2024-10-11 23:08:48,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:08:48,542 INFO L225 Difference]: With dead ends: 72 [2024-10-11 23:08:48,542 INFO L226 Difference]: Without dead ends: 71 [2024-10-11 23:08:48,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:08:48,543 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 3 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:08:48,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 144 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:08:48,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-11 23:08:48,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-10-11 23:08:48,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 49 states have internal predecessors, (59), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 23:08:48,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2024-10-11 23:08:48,557 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 58 [2024-10-11 23:08:48,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:08:48,557 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2024-10-11 23:08:48,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 23:08:48,557 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2024-10-11 23:08:48,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-11 23:08:48,562 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:08:48,562 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:08:48,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-11 23:08:48,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-11 23:08:48,763 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:08:48,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:08:48,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1135715105, now seen corresponding path program 1 times [2024-10-11 23:08:48,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:08:48,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692447798] [2024-10-11 23:08:48,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:08:48,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:08:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:48,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 23:08:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:48,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 23:08:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:48,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 23:08:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:48,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 23:08:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:48,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 23:08:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:48,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 23:08:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:48,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 23:08:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:48,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 23:08:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:48,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 23:08:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:48,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 23:08:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:48,878 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-11 23:08:48,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:08:48,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692447798] [2024-10-11 23:08:48,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692447798] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:08:48,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189947212] [2024-10-11 23:08:48,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:08:48,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:08:48,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:08:48,881 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:08:48,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 23:08:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:48,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 23:08:48,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:08:48,977 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-11 23:08:48,978 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:08:48,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189947212] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:08:48,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:08:48,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-11 23:08:48,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604875271] [2024-10-11 23:08:48,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:08:48,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:08:48,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:08:48,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:08:48,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:08:48,980 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 23:08:48,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:08:48,996 INFO L93 Difference]: Finished difference Result 77 states and 99 transitions. [2024-10-11 23:08:48,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:08:48,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 59 [2024-10-11 23:08:48,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:08:48,997 INFO L225 Difference]: With dead ends: 77 [2024-10-11 23:08:48,997 INFO L226 Difference]: Without dead ends: 71 [2024-10-11 23:08:48,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:08:48,998 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:08:48,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:08:48,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-11 23:08:49,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-10-11 23:08:49,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 49 states have (on average 1.183673469387755) internal successors, (58), 49 states have internal predecessors, (58), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 23:08:49,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 92 transitions. [2024-10-11 23:08:49,004 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 92 transitions. Word has length 59 [2024-10-11 23:08:49,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:08:49,005 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 92 transitions. [2024-10-11 23:08:49,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 23:08:49,005 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2024-10-11 23:08:49,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-11 23:08:49,006 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:08:49,006 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:08:49,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 23:08:49,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 23:08:49,211 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:08:49,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:08:49,211 INFO L85 PathProgramCache]: Analyzing trace with hash 326368479, now seen corresponding path program 1 times [2024-10-11 23:08:49,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:08:49,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281609762] [2024-10-11 23:08:49,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:08:49,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:08:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:49,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 23:08:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:49,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 23:08:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:49,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 23:08:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:49,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 23:08:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:49,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 23:08:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:49,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 23:08:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:49,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 23:08:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:49,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 23:08:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:49,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 23:08:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:49,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 23:08:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:49,293 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-11 23:08:49,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:08:49,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281609762] [2024-10-11 23:08:49,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281609762] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:08:49,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459588355] [2024-10-11 23:08:49,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:08:49,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:08:49,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:08:49,295 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:08:49,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 23:08:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:08:49,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 23:08:49,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:08:49,408 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-11 23:08:49,409 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:08:49,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459588355] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:08:49,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:08:49,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-11 23:08:49,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942497358] [2024-10-11 23:08:49,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:08:49,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:08:49,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:08:49,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:08:49,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:08:49,413 INFO L87 Difference]: Start difference. First operand 71 states and 92 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 23:08:49,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:08:49,428 INFO L93 Difference]: Finished difference Result 71 states and 92 transitions. [2024-10-11 23:08:49,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:08:49,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 59 [2024-10-11 23:08:49,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:08:49,429 INFO L225 Difference]: With dead ends: 71 [2024-10-11 23:08:49,429 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 23:08:49,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:08:49,433 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:08:49,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 143 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:08:49,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 23:08:49,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 23:08:49,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:08:49,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 23:08:49,435 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2024-10-11 23:08:49,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:08:49,435 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 23:08:49,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-11 23:08:49,435 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 23:08:49,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 23:08:49,438 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-10-11 23:08:49,438 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-10-11 23:08:49,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-10-11 23:08:49,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-10-11 23:08:49,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-10-11 23:08:49,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-10-11 23:08:49,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-10-11 23:08:49,440 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-10-11 23:08:49,453 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 23:08:49,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 23:08:49,643 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:08:49,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 23:08:49,735 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 23:08:49,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 11:08:49 BoogieIcfgContainer [2024-10-11 23:08:49,751 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 23:08:49,752 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 23:08:49,752 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 23:08:49,752 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 23:08:49,752 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:08:45" (3/4) ... [2024-10-11 23:08:49,755 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 23:08:49,759 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-10-11 23:08:49,759 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2024-10-11 23:08:49,759 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-10-11 23:08:49,759 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2024-10-11 23:08:49,767 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-10-11 23:08:49,767 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-11 23:08:49,767 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 23:08:49,767 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 23:08:49,878 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 23:08:49,878 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 23:08:49,878 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 23:08:49,879 INFO L158 Benchmark]: Toolchain (without parser) took 6389.57ms. Allocated memory was 134.2MB in the beginning and 220.2MB in the end (delta: 86.0MB). Free memory was 59.7MB in the beginning and 145.1MB in the end (delta: -85.4MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2024-10-11 23:08:49,879 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 134.2MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 23:08:49,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1162.03ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 59.7MB in the beginning and 78.6MB in the end (delta: -18.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-11 23:08:49,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.83ms. Allocated memory is still 163.6MB. Free memory was 78.6MB in the beginning and 75.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 23:08:49,880 INFO L158 Benchmark]: Boogie Preprocessor took 44.16ms. Allocated memory is still 163.6MB. Free memory was 75.4MB in the beginning and 73.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 23:08:49,880 INFO L158 Benchmark]: RCFGBuilder took 505.50ms. Allocated memory is still 163.6MB. Free memory was 73.3MB in the beginning and 54.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-11 23:08:49,880 INFO L158 Benchmark]: TraceAbstraction took 4473.68ms. Allocated memory was 163.6MB in the beginning and 220.2MB in the end (delta: 56.6MB). Free memory was 53.4MB in the beginning and 152.5MB in the end (delta: -99.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 23:08:49,880 INFO L158 Benchmark]: Witness Printer took 126.35ms. Allocated memory is still 220.2MB. Free memory was 152.5MB in the beginning and 145.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-11 23:08:49,881 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 134.2MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1162.03ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 59.7MB in the beginning and 78.6MB in the end (delta: -18.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.83ms. Allocated memory is still 163.6MB. Free memory was 78.6MB in the beginning and 75.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.16ms. Allocated memory is still 163.6MB. Free memory was 75.4MB in the beginning and 73.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 505.50ms. Allocated memory is still 163.6MB. Free memory was 73.3MB in the beginning and 54.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4473.68ms. Allocated memory was 163.6MB in the beginning and 220.2MB in the end (delta: 56.6MB). Free memory was 53.4MB in the beginning and 152.5MB in the end (delta: -99.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 126.35ms. Allocated memory is still 220.2MB. Free memory was 152.5MB in the beginning and 145.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 78 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 1755 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 869 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 162 IncrementalHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 886 mSDtfsCounter, 162 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 506 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 14 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 800 NumberOfCodeBlocks, 800 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 783 ConstructedInterpolants, 0 QuantifiedInterpolants, 965 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1065 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 294/306 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 8 specifications checked. All of them hold - ProcedureContractResult [Line: 1552]: Procedure Contract for staticReturnsFalse Derived contract for procedure staticReturnsFalse. Ensures: (\result == 0) RESULT: Ultimate proved your program to be correct! [2024-10-11 23:08:49,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE