./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 56378163c79b0eba0729f8e2dead780600d4e2955d7237f1b64a798c9e152da1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 22:55:59,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 22:55:59,193 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-24 22:55:59,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 22:55:59,198 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 22:55:59,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 22:55:59,228 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 22:55:59,229 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 22:55:59,229 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 22:55:59,231 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 22:55:59,231 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 22:55:59,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 22:55:59,232 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 22:55:59,232 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 22:55:59,234 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 22:55:59,235 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 22:55:59,235 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 22:55:59,235 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 22:55:59,235 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 22:55:59,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 22:55:59,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 22:55:59,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 22:55:59,240 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 22:55:59,240 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 22:55:59,240 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 22:55:59,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 22:55:59,241 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 22:55:59,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 22:55:59,241 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 22:55:59,241 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 22:55:59,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 22:55:59,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:55:59,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 22:55:59,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 22:55:59,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 22:55:59,243 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 22:55:59,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 22:55:59,243 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 22:55:59,243 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 22:55:59,244 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 22:55:59,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 22:55:59,244 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56378163c79b0eba0729f8e2dead780600d4e2955d7237f1b64a798c9e152da1 [2024-10-24 22:55:59,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 22:55:59,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 22:55:59,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 22:55:59,559 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 22:55:59,560 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 22:55:59,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2024-10-24 22:56:00,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 22:56:01,320 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 22:56:01,322 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2024-10-24 22:56:01,353 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c91af44a/4d796f4f89864eb082f7b393b9f72568/FLAG9f17f3d85 [2024-10-24 22:56:01,370 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c91af44a/4d796f4f89864eb082f7b393b9f72568 [2024-10-24 22:56:01,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 22:56:01,374 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 22:56:01,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 22:56:01,377 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 22:56:01,382 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 22:56:01,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:56:01" (1/1) ... [2024-10-24 22:56:01,384 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23e3c067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:01, skipping insertion in model container [2024-10-24 22:56:01,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:56:01" (1/1) ... [2024-10-24 22:56:01,466 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 22:56:02,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:56:02,499 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 22:56:02,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:56:02,756 INFO L204 MainTranslator]: Completed translation [2024-10-24 22:56:02,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:02 WrapperNode [2024-10-24 22:56:02,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 22:56:02,757 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 22:56:02,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 22:56:02,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 22:56:02,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:02" (1/1) ... [2024-10-24 22:56:02,807 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:02" (1/1) ... [2024-10-24 22:56:02,850 INFO L138 Inliner]: procedures = 597, calls = 165, calls flagged for inlining = 16, calls inlined = 14, statements flattened = 455 [2024-10-24 22:56:02,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 22:56:02,851 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 22:56:02,851 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 22:56:02,851 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 22:56:02,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:02" (1/1) ... [2024-10-24 22:56:02,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:02" (1/1) ... [2024-10-24 22:56:02,873 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:02" (1/1) ... [2024-10-24 22:56:02,889 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-10-24 22:56:02,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:02" (1/1) ... [2024-10-24 22:56:02,890 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:02" (1/1) ... [2024-10-24 22:56:02,914 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:02" (1/1) ... [2024-10-24 22:56:02,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:02" (1/1) ... [2024-10-24 22:56:02,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:02" (1/1) ... [2024-10-24 22:56:02,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:02" (1/1) ... [2024-10-24 22:56:02,935 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 22:56:02,935 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 22:56:02,935 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 22:56:02,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 22:56:02,936 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:02" (1/1) ... [2024-10-24 22:56:02,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:56:02,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:56:02,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 22:56:02,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 22:56:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2024-10-24 22:56:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2024-10-24 22:56:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 22:56:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-10-24 22:56:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-10-24 22:56:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-24 22:56:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 22:56:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 22:56:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-24 22:56:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 22:56:03,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 22:56:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-10-24 22:56:03,061 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-10-24 22:56:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-10-24 22:56:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-10-24 22:56:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 22:56:03,061 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 22:56:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 22:56:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-24 22:56:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-24 22:56:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 22:56:03,455 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 22:56:03,458 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 22:56:04,073 INFO L? ?]: Removed 232 outVars from TransFormulas that were not future-live. [2024-10-24 22:56:04,074 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 22:56:04,130 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 22:56:04,133 INFO L314 CfgBuilder]: Removed 11 assume(true) statements. [2024-10-24 22:56:04,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:56:04 BoogieIcfgContainer [2024-10-24 22:56:04,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 22:56:04,137 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 22:56:04,138 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 22:56:04,141 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 22:56:04,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:56:01" (1/3) ... [2024-10-24 22:56:04,143 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9d4b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:56:04, skipping insertion in model container [2024-10-24 22:56:04,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:56:02" (2/3) ... [2024-10-24 22:56:04,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9d4b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:56:04, skipping insertion in model container [2024-10-24 22:56:04,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:56:04" (3/3) ... [2024-10-24 22:56:04,146 INFO L112 eAbstractionObserver]: Analyzing ICFG chgrp-incomplete-1.i [2024-10-24 22:56:04,162 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 22:56:04,162 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2024-10-24 22:56:04,242 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 22:56:04,248 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;@a255a3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 22:56:04,249 INFO L334 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2024-10-24 22:56:04,254 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 103 states have (on average 1.766990291262136) internal successors, (182), 136 states have internal predecessors, (182), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 22:56:04,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-24 22:56:04,261 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:04,261 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-24 22:56:04,262 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:04,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:04,266 INFO L85 PathProgramCache]: Analyzing trace with hash 440009, now seen corresponding path program 1 times [2024-10-24 22:56:04,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:04,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223774013] [2024-10-24 22:56:04,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:04,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:04,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:04,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 22:56:04,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:04,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223774013] [2024-10-24 22:56:04,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223774013] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:56:04,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:56:04,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 22:56:04,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877896598] [2024-10-24 22:56:04,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:56:04,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 22:56:04,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:56:04,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 22:56:04,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:56:04,790 INFO L87 Difference]: Start difference. First operand has 149 states, 103 states have (on average 1.766990291262136) internal successors, (182), 136 states have internal predecessors, (182), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 22:56:04,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:56:04,882 INFO L93 Difference]: Finished difference Result 282 states and 384 transitions. [2024-10-24 22:56:04,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 22:56:04,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) Word has length 3 [2024-10-24 22:56:04,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:56:04,897 INFO L225 Difference]: With dead ends: 282 [2024-10-24 22:56:04,898 INFO L226 Difference]: Without dead ends: 129 [2024-10-24 22:56:04,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:56:04,907 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 1 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:56:04,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 304 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:56:04,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-10-24 22:56:04,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2024-10-24 22:56:04,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 87 states have (on average 1.5862068965517242) internal successors, (138), 117 states have internal predecessors, (138), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 22:56:04,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 154 transitions. [2024-10-24 22:56:04,963 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 154 transitions. Word has length 3 [2024-10-24 22:56:04,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:56:04,963 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 154 transitions. [2024-10-24 22:56:04,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 22:56:04,964 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 154 transitions. [2024-10-24 22:56:04,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-24 22:56:04,965 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:04,965 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2024-10-24 22:56:04,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 22:56:04,965 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:04,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:04,966 INFO L85 PathProgramCache]: Analyzing trace with hash 223526227, now seen corresponding path program 1 times [2024-10-24 22:56:04,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:04,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326653603] [2024-10-24 22:56:04,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:04,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:05,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 22:56:05,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:05,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326653603] [2024-10-24 22:56:05,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326653603] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 22:56:05,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182215068] [2024-10-24 22:56:05,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:05,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:56:05,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:56:05,161 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 22:56:05,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 22:56:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:05,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 22:56:05,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 22:56:05,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 22:56:05,410 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 22:56:05,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182215068] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:56:05,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 22:56:05,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2024-10-24 22:56:05,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662902516] [2024-10-24 22:56:05,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:56:05,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 22:56:05,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:56:05,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 22:56:05,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 22:56:05,414 INFO L87 Difference]: Start difference. First operand 129 states and 154 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 22:56:05,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:56:05,464 INFO L93 Difference]: Finished difference Result 129 states and 154 transitions. [2024-10-24 22:56:05,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 22:56:05,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) Word has length 6 [2024-10-24 22:56:05,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:56:05,469 INFO L225 Difference]: With dead ends: 129 [2024-10-24 22:56:05,469 INFO L226 Difference]: Without dead ends: 128 [2024-10-24 22:56:05,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 22:56:05,471 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 1 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:56:05,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 279 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:56:05,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-10-24 22:56:05,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-10-24 22:56:05,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 87 states have (on average 1.5747126436781609) internal successors, (137), 116 states have internal predecessors, (137), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 22:56:05,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 153 transitions. [2024-10-24 22:56:05,481 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 153 transitions. Word has length 6 [2024-10-24 22:56:05,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:56:05,481 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 153 transitions. [2024-10-24 22:56:05,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 22:56:05,482 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 153 transitions. [2024-10-24 22:56:05,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-24 22:56:05,482 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:05,482 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2024-10-24 22:56:05,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 22:56:05,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:56:05,684 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:05,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:05,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1660621434, now seen corresponding path program 1 times [2024-10-24 22:56:05,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:05,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577393941] [2024-10-24 22:56:05,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:05,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:05,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-24 22:56:05,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:05,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577393941] [2024-10-24 22:56:05,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577393941] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:56:05,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:56:05,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 22:56:05,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622374477] [2024-10-24 22:56:05,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:56:05,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 22:56:05,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:56:05,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 22:56:05,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:56:05,790 INFO L87 Difference]: Start difference. First operand 128 states and 153 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 22:56:05,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:56:05,836 INFO L93 Difference]: Finished difference Result 128 states and 153 transitions. [2024-10-24 22:56:05,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 22:56:05,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) Word has length 7 [2024-10-24 22:56:05,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:56:05,842 INFO L225 Difference]: With dead ends: 128 [2024-10-24 22:56:05,842 INFO L226 Difference]: Without dead ends: 127 [2024-10-24 22:56:05,842 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:56:05,843 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 280 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 [2024-10-24 22:56:05,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 280 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:56:05,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-10-24 22:56:05,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 125. [2024-10-24 22:56:05,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 85 states have (on average 1.576470588235294) internal successors, (134), 113 states have internal predecessors, (134), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 22:56:05,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 150 transitions. [2024-10-24 22:56:05,862 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 150 transitions. Word has length 7 [2024-10-24 22:56:05,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:56:05,863 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 150 transitions. [2024-10-24 22:56:05,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 22:56:05,866 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 150 transitions. [2024-10-24 22:56:05,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-24 22:56:05,866 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:05,867 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:56:05,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 22:56:05,867 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:05,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:05,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1172593070, now seen corresponding path program 1 times [2024-10-24 22:56:05,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:05,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290145642] [2024-10-24 22:56:05,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:05,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:06,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 22:56:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:06,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 22:56:06,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:06,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290145642] [2024-10-24 22:56:06,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290145642] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 22:56:06,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216164096] [2024-10-24 22:56:06,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:06,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:56:06,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:56:06,032 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 22:56:06,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 22:56:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:06,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 22:56:06,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 22:56:06,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-24 22:56:06,234 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 22:56:06,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216164096] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:56:06,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 22:56:06,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-24 22:56:06,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146852704] [2024-10-24 22:56:06,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:56:06,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 22:56:06,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:56:06,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 22:56:06,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 22:56:06,237 INFO L87 Difference]: Start difference. First operand 125 states and 150 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:06,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:56:06,285 INFO L93 Difference]: Finished difference Result 125 states and 150 transitions. [2024-10-24 22:56:06,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 22:56:06,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-10-24 22:56:06,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:56:06,287 INFO L225 Difference]: With dead ends: 125 [2024-10-24 22:56:06,287 INFO L226 Difference]: Without dead ends: 123 [2024-10-24 22:56:06,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 22:56:06,288 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 94 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:56:06,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 174 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:56:06,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-10-24 22:56:06,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-10-24 22:56:06,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 85 states have (on average 1.5529411764705883) internal successors, (132), 111 states have internal predecessors, (132), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 22:56:06,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 148 transitions. [2024-10-24 22:56:06,307 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 148 transitions. Word has length 12 [2024-10-24 22:56:06,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:56:06,309 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 148 transitions. [2024-10-24 22:56:06,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:06,309 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 148 transitions. [2024-10-24 22:56:06,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-24 22:56:06,309 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:06,310 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:56:06,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 22:56:06,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-10-24 22:56:06,511 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:06,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:06,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1990646672, now seen corresponding path program 1 times [2024-10-24 22:56:06,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:06,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099686819] [2024-10-24 22:56:06,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:06,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:06,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 22:56:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:06,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 22:56:06,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:06,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099686819] [2024-10-24 22:56:06,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099686819] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 22:56:06,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146339744] [2024-10-24 22:56:06,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:06,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:56:06,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:56:06,646 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 22:56:06,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 22:56:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:06,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 22:56:06,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 22:56:06,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 22:56:06,842 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 22:56:06,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 22:56:06,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146339744] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 22:56:06,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 22:56:06,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 7 [2024-10-24 22:56:06,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84782095] [2024-10-24 22:56:06,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 22:56:06,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 22:56:06,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:56:06,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 22:56:06,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 22:56:06,896 INFO L87 Difference]: Start difference. First operand 123 states and 148 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 22:56:06,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:56:06,960 INFO L93 Difference]: Finished difference Result 250 states and 302 transitions. [2024-10-24 22:56:06,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 22:56:06,963 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2024-10-24 22:56:06,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:56:06,964 INFO L225 Difference]: With dead ends: 250 [2024-10-24 22:56:06,964 INFO L226 Difference]: Without dead ends: 132 [2024-10-24 22:56:06,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 22:56:06,968 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 4 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:56:06,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 550 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:56:06,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-10-24 22:56:06,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-10-24 22:56:06,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 94 states have (on average 1.5) internal successors, (141), 120 states have internal predecessors, (141), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 22:56:06,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 157 transitions. [2024-10-24 22:56:06,984 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 157 transitions. Word has length 13 [2024-10-24 22:56:06,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:56:06,985 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 157 transitions. [2024-10-24 22:56:06,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 22:56:06,985 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 157 transitions. [2024-10-24 22:56:06,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-24 22:56:06,986 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:06,987 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:56:07,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-24 22:56:07,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:56:07,188 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:07,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:07,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1437344442, now seen corresponding path program 2 times [2024-10-24 22:56:07,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:07,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261241952] [2024-10-24 22:56:07,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:07,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:07,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 22:56:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:07,376 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 22:56:07,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:07,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261241952] [2024-10-24 22:56:07,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261241952] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 22:56:07,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782741743] [2024-10-24 22:56:07,378 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 22:56:07,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:56:07,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:56:07,380 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 22:56:07,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 22:56:07,551 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-24 22:56:07,552 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 22:56:07,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 22:56:07,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 22:56:07,601 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-24 22:56:07,601 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 22:56:07,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782741743] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:56:07,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 22:56:07,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-10-24 22:56:07,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970305017] [2024-10-24 22:56:07,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:56:07,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 22:56:07,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:56:07,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 22:56:07,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-24 22:56:07,604 INFO L87 Difference]: Start difference. First operand 132 states and 157 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:07,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:56:07,673 INFO L93 Difference]: Finished difference Result 132 states and 157 transitions. [2024-10-24 22:56:07,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 22:56:07,674 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2024-10-24 22:56:07,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:56:07,675 INFO L225 Difference]: With dead ends: 132 [2024-10-24 22:56:07,675 INFO L226 Difference]: Without dead ends: 130 [2024-10-24 22:56:07,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-24 22:56:07,676 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 93 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 22:56:07,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 420 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 22:56:07,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-10-24 22:56:07,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2024-10-24 22:56:07,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 94 states have (on average 1.4787234042553192) internal successors, (139), 118 states have internal predecessors, (139), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 22:56:07,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 155 transitions. [2024-10-24 22:56:07,695 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 155 transitions. Word has length 22 [2024-10-24 22:56:07,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:56:07,695 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 155 transitions. [2024-10-24 22:56:07,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:07,696 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 155 transitions. [2024-10-24 22:56:07,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-24 22:56:07,698 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:07,698 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:56:07,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-24 22:56:07,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:56:07,902 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:07,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:07,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1618890347, now seen corresponding path program 1 times [2024-10-24 22:56:07,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:07,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814159783] [2024-10-24 22:56:07,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:07,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:08,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 22:56:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:08,106 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-24 22:56:08,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:08,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814159783] [2024-10-24 22:56:08,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814159783] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:56:08,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:56:08,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 22:56:08,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216841169] [2024-10-24 22:56:08,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:56:08,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 22:56:08,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:56:08,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 22:56:08,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:56:08,110 INFO L87 Difference]: Start difference. First operand 130 states and 155 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:08,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:56:08,146 INFO L93 Difference]: Finished difference Result 243 states and 294 transitions. [2024-10-24 22:56:08,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 22:56:08,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2024-10-24 22:56:08,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:56:08,149 INFO L225 Difference]: With dead ends: 243 [2024-10-24 22:56:08,149 INFO L226 Difference]: Without dead ends: 133 [2024-10-24 22:56:08,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:56:08,151 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 1 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:56:08,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 269 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:56:08,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-10-24 22:56:08,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2024-10-24 22:56:08,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 97 states have (on average 1.4639175257731958) internal successors, (142), 121 states have internal predecessors, (142), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 22:56:08,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 158 transitions. [2024-10-24 22:56:08,160 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 158 transitions. Word has length 27 [2024-10-24 22:56:08,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:56:08,160 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 158 transitions. [2024-10-24 22:56:08,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:08,160 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 158 transitions. [2024-10-24 22:56:08,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-24 22:56:08,161 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:08,161 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:56:08,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 22:56:08,162 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:08,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:08,162 INFO L85 PathProgramCache]: Analyzing trace with hash -174406935, now seen corresponding path program 1 times [2024-10-24 22:56:08,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:08,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812028787] [2024-10-24 22:56:08,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:08,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:08,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 22:56:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:08,305 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-24 22:56:08,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:08,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812028787] [2024-10-24 22:56:08,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812028787] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 22:56:08,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796404769] [2024-10-24 22:56:08,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:08,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:56:08,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:56:08,307 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 22:56:08,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 22:56:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:08,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 22:56:08,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 22:56:08,587 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-24 22:56:08,587 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 22:56:08,690 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-24 22:56:08,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796404769] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 22:56:08,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 22:56:08,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6, 7] total 14 [2024-10-24 22:56:08,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162653244] [2024-10-24 22:56:08,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 22:56:08,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 22:56:08,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:56:08,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 22:56:08,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-10-24 22:56:08,693 INFO L87 Difference]: Start difference. First operand 133 states and 158 transitions. Second operand has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 22:56:08,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:56:08,815 INFO L93 Difference]: Finished difference Result 269 states and 325 transitions. [2024-10-24 22:56:08,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 22:56:08,816 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2024-10-24 22:56:08,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:56:08,817 INFO L225 Difference]: With dead ends: 269 [2024-10-24 22:56:08,817 INFO L226 Difference]: Without dead ends: 150 [2024-10-24 22:56:08,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-10-24 22:56:08,819 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 5 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 22:56:08,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 776 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 22:56:08,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-10-24 22:56:08,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2024-10-24 22:56:08,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 115 states have (on average 1.382608695652174) internal successors, (159), 138 states have internal predecessors, (159), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 22:56:08,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 175 transitions. [2024-10-24 22:56:08,828 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 175 transitions. Word has length 30 [2024-10-24 22:56:08,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:56:08,828 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 175 transitions. [2024-10-24 22:56:08,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 22:56:08,828 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 175 transitions. [2024-10-24 22:56:08,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-24 22:56:08,831 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:08,831 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:56:08,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 22:56:09,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:56:09,032 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:09,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:09,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1811396433, now seen corresponding path program 1 times [2024-10-24 22:56:09,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:09,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53858937] [2024-10-24 22:56:09,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:09,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:09,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 22:56:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:09,191 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-10-24 22:56:09,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:09,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53858937] [2024-10-24 22:56:09,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53858937] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:56:09,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:56:09,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 22:56:09,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474236310] [2024-10-24 22:56:09,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:56:09,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 22:56:09,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:56:09,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 22:56:09,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:56:09,193 INFO L87 Difference]: Start difference. First operand 150 states and 175 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:09,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:56:09,233 INFO L93 Difference]: Finished difference Result 163 states and 190 transitions. [2024-10-24 22:56:09,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 22:56:09,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2024-10-24 22:56:09,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:56:09,234 INFO L225 Difference]: With dead ends: 163 [2024-10-24 22:56:09,234 INFO L226 Difference]: Without dead ends: 161 [2024-10-24 22:56:09,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:56:09,235 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 2 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:56:09,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 264 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:56:09,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-10-24 22:56:09,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 160. [2024-10-24 22:56:09,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 125 states have (on average 1.376) internal successors, (172), 148 states have internal predecessors, (172), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 22:56:09,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 188 transitions. [2024-10-24 22:56:09,246 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 188 transitions. Word has length 49 [2024-10-24 22:56:09,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:56:09,247 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 188 transitions. [2024-10-24 22:56:09,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:09,247 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 188 transitions. [2024-10-24 22:56:09,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-24 22:56:09,248 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:09,248 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:56:09,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 22:56:09,249 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:09,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:09,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1811398162, now seen corresponding path program 1 times [2024-10-24 22:56:09,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:09,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893715461] [2024-10-24 22:56:09,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:09,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:09,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 22:56:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:09,388 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-10-24 22:56:09,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:09,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893715461] [2024-10-24 22:56:09,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893715461] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:56:09,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:56:09,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 22:56:09,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751850671] [2024-10-24 22:56:09,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:56:09,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 22:56:09,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:56:09,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 22:56:09,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:56:09,390 INFO L87 Difference]: Start difference. First operand 160 states and 188 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:09,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:56:09,419 INFO L93 Difference]: Finished difference Result 160 states and 188 transitions. [2024-10-24 22:56:09,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 22:56:09,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2024-10-24 22:56:09,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:56:09,421 INFO L225 Difference]: With dead ends: 160 [2024-10-24 22:56:09,421 INFO L226 Difference]: Without dead ends: 159 [2024-10-24 22:56:09,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:56:09,421 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 267 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 [2024-10-24 22:56:09,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 267 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:56:09,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-10-24 22:56:09,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 155. [2024-10-24 22:56:09,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 121 states have (on average 1.371900826446281) internal successors, (166), 143 states have internal predecessors, (166), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 22:56:09,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 182 transitions. [2024-10-24 22:56:09,431 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 182 transitions. Word has length 49 [2024-10-24 22:56:09,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:56:09,433 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 182 transitions. [2024-10-24 22:56:09,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:09,433 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 182 transitions. [2024-10-24 22:56:09,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-24 22:56:09,434 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:09,434 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:56:09,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 22:56:09,434 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:09,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:09,435 INFO L85 PathProgramCache]: Analyzing trace with hash 570154890, now seen corresponding path program 1 times [2024-10-24 22:56:09,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:09,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725517539] [2024-10-24 22:56:09,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:09,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:09,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 22:56:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:09,575 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-24 22:56:09,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:09,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725517539] [2024-10-24 22:56:09,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725517539] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:56:09,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:56:09,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 22:56:09,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328756820] [2024-10-24 22:56:09,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:56:09,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 22:56:09,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:56:09,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 22:56:09,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:56:09,578 INFO L87 Difference]: Start difference. First operand 155 states and 182 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:09,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:56:09,606 INFO L93 Difference]: Finished difference Result 160 states and 187 transitions. [2024-10-24 22:56:09,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 22:56:09,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2024-10-24 22:56:09,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:56:09,607 INFO L225 Difference]: With dead ends: 160 [2024-10-24 22:56:09,608 INFO L226 Difference]: Without dead ends: 158 [2024-10-24 22:56:09,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:56:09,608 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 1 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:56:09,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 268 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:56:09,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-10-24 22:56:09,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2024-10-24 22:56:09,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 124 states have (on average 1.3629032258064515) internal successors, (169), 146 states have internal predecessors, (169), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 22:56:09,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 185 transitions. [2024-10-24 22:56:09,615 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 185 transitions. Word has length 49 [2024-10-24 22:56:09,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:56:09,615 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 185 transitions. [2024-10-24 22:56:09,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:09,616 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 185 transitions. [2024-10-24 22:56:09,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-24 22:56:09,616 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:09,616 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:56:09,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 22:56:09,617 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:09,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:09,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1110911780, now seen corresponding path program 1 times [2024-10-24 22:56:09,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:09,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192501642] [2024-10-24 22:56:09,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:09,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:09,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 22:56:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:09,762 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-24 22:56:09,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:09,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192501642] [2024-10-24 22:56:09,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192501642] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 22:56:09,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371382787] [2024-10-24 22:56:09,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:09,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:56:09,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:56:09,765 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 22:56:09,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 22:56:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:10,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 22:56:10,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 22:56:10,067 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-10-24 22:56:10,067 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 22:56:10,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371382787] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:56:10,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 22:56:10,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3] total 7 [2024-10-24 22:56:10,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245789332] [2024-10-24 22:56:10,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:56:10,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 22:56:10,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:56:10,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 22:56:10,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 22:56:10,069 INFO L87 Difference]: Start difference. First operand 158 states and 185 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:10,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:56:10,144 INFO L93 Difference]: Finished difference Result 233 states and 275 transitions. [2024-10-24 22:56:10,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 22:56:10,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2024-10-24 22:56:10,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:56:10,146 INFO L225 Difference]: With dead ends: 233 [2024-10-24 22:56:10,146 INFO L226 Difference]: Without dead ends: 223 [2024-10-24 22:56:10,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 22:56:10,147 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 75 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 22:56:10,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 455 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 22:56:10,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-10-24 22:56:10,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 166. [2024-10-24 22:56:10,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 131 states have (on average 1.3511450381679388) internal successors, (177), 153 states have internal predecessors, (177), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 22:56:10,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 195 transitions. [2024-10-24 22:56:10,156 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 195 transitions. Word has length 52 [2024-10-24 22:56:10,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:56:10,156 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 195 transitions. [2024-10-24 22:56:10,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:10,156 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 195 transitions. [2024-10-24 22:56:10,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-24 22:56:10,157 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:10,157 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:56:10,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-24 22:56:10,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:56:10,363 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:10,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:10,363 INFO L85 PathProgramCache]: Analyzing trace with hash 641704593, now seen corresponding path program 1 times [2024-10-24 22:56:10,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:10,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762153460] [2024-10-24 22:56:10,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:10,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:10,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 22:56:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:10,582 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-24 22:56:10,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:10,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762153460] [2024-10-24 22:56:10,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762153460] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:56:10,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:56:10,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 22:56:10,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052321625] [2024-10-24 22:56:10,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:56:10,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 22:56:10,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:56:10,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 22:56:10,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:56:10,586 INFO L87 Difference]: Start difference. First operand 166 states and 195 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:10,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:56:10,612 INFO L93 Difference]: Finished difference Result 266 states and 317 transitions. [2024-10-24 22:56:10,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 22:56:10,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2024-10-24 22:56:10,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:56:10,616 INFO L225 Difference]: With dead ends: 266 [2024-10-24 22:56:10,616 INFO L226 Difference]: Without dead ends: 168 [2024-10-24 22:56:10,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:56:10,617 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 2 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:56:10,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 269 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:56:10,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-10-24 22:56:10,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2024-10-24 22:56:10,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 133 states have (on average 1.3458646616541354) internal successors, (179), 155 states have internal predecessors, (179), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 22:56:10,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 197 transitions. [2024-10-24 22:56:10,626 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 197 transitions. Word has length 56 [2024-10-24 22:56:10,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:56:10,627 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 197 transitions. [2024-10-24 22:56:10,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:10,627 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 197 transitions. [2024-10-24 22:56:10,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-24 22:56:10,630 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:10,630 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:56:10,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 22:56:10,631 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:10,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:10,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1077177480, now seen corresponding path program 1 times [2024-10-24 22:56:10,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:10,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242631884] [2024-10-24 22:56:10,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:10,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:10,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 22:56:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:10,795 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-24 22:56:10,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:10,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242631884] [2024-10-24 22:56:10,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242631884] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:56:10,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:56:10,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 22:56:10,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856228783] [2024-10-24 22:56:10,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:56:10,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 22:56:10,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:56:10,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 22:56:10,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:56:10,797 INFO L87 Difference]: Start difference. First operand 168 states and 197 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:10,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:56:10,834 INFO L93 Difference]: Finished difference Result 176 states and 208 transitions. [2024-10-24 22:56:10,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 22:56:10,834 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2024-10-24 22:56:10,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:56:10,836 INFO L225 Difference]: With dead ends: 176 [2024-10-24 22:56:10,836 INFO L226 Difference]: Without dead ends: 174 [2024-10-24 22:56:10,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:56:10,837 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 3 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:56:10,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 263 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:56:10,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-10-24 22:56:10,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 172. [2024-10-24 22:56:10,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 137 states have (on average 1.3503649635036497) internal successors, (185), 159 states have internal predecessors, (185), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 22:56:10,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 203 transitions. [2024-10-24 22:56:10,845 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 203 transitions. Word has length 57 [2024-10-24 22:56:10,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:56:10,845 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 203 transitions. [2024-10-24 22:56:10,845 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:10,845 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 203 transitions. [2024-10-24 22:56:10,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-24 22:56:10,846 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:10,846 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:56:10,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 22:56:10,846 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:10,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:10,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1184440698, now seen corresponding path program 1 times [2024-10-24 22:56:10,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:10,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561503846] [2024-10-24 22:56:10,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:10,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:11,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 22:56:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:11,059 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-10-24 22:56:11,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:11,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561503846] [2024-10-24 22:56:11,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561503846] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 22:56:11,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514774758] [2024-10-24 22:56:11,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:11,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:56:11,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:56:11,063 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 22:56:11,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 22:56:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:11,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 22:56:11,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 22:56:11,397 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-10-24 22:56:11,397 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 22:56:11,417 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-10-24 22:56:11,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514774758] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 22:56:11,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 22:56:11,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-24 22:56:11,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154782267] [2024-10-24 22:56:11,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 22:56:11,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 22:56:11,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:56:11,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 22:56:11,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 22:56:11,419 INFO L87 Difference]: Start difference. First operand 172 states and 203 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:11,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:56:11,464 INFO L93 Difference]: Finished difference Result 311 states and 373 transitions. [2024-10-24 22:56:11,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 22:56:11,465 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2024-10-24 22:56:11,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:56:11,466 INFO L225 Difference]: With dead ends: 311 [2024-10-24 22:56:11,466 INFO L226 Difference]: Without dead ends: 190 [2024-10-24 22:56:11,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 22:56:11,467 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 4 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:56:11,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 399 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:56:11,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-10-24 22:56:11,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2024-10-24 22:56:11,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 155 states have (on average 1.3096774193548386) internal successors, (203), 177 states have internal predecessors, (203), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 22:56:11,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 221 transitions. [2024-10-24 22:56:11,476 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 221 transitions. Word has length 57 [2024-10-24 22:56:11,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:56:11,477 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 221 transitions. [2024-10-24 22:56:11,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:11,478 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 221 transitions. [2024-10-24 22:56:11,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-24 22:56:11,478 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:11,478 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2024-10-24 22:56:11,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-24 22:56:11,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:56:11,679 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:11,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:11,680 INFO L85 PathProgramCache]: Analyzing trace with hash 8986737, now seen corresponding path program 1 times [2024-10-24 22:56:11,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:11,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469436764] [2024-10-24 22:56:11,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:11,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:11,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 22:56:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:11,892 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-24 22:56:11,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:11,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469436764] [2024-10-24 22:56:11,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469436764] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 22:56:11,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769932227] [2024-10-24 22:56:11,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:11,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:56:11,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:56:11,895 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 22:56:11,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 22:56:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:12,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 22:56:12,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 22:56:12,286 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-24 22:56:12,286 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 22:56:12,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769932227] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:56:12,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 22:56:12,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-24 22:56:12,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518250789] [2024-10-24 22:56:12,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:56:12,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 22:56:12,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:56:12,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 22:56:12,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 22:56:12,288 INFO L87 Difference]: Start difference. First operand 190 states and 221 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:12,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:56:12,325 INFO L93 Difference]: Finished difference Result 192 states and 224 transitions. [2024-10-24 22:56:12,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 22:56:12,325 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2024-10-24 22:56:12,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:56:12,326 INFO L225 Difference]: With dead ends: 192 [2024-10-24 22:56:12,326 INFO L226 Difference]: Without dead ends: 191 [2024-10-24 22:56:12,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 22:56:12,327 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 5 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:56:12,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 264 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:56:12,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-10-24 22:56:12,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 189. [2024-10-24 22:56:12,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 155 states have (on average 1.303225806451613) internal successors, (202), 176 states have internal predecessors, (202), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 22:56:12,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 220 transitions. [2024-10-24 22:56:12,337 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 220 transitions. Word has length 61 [2024-10-24 22:56:12,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:56:12,338 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 220 transitions. [2024-10-24 22:56:12,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:12,338 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 220 transitions. [2024-10-24 22:56:12,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-24 22:56:12,339 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:12,339 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2024-10-24 22:56:12,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-24 22:56:12,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-24 22:56:12,540 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:12,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:12,540 INFO L85 PathProgramCache]: Analyzing trace with hash 278588924, now seen corresponding path program 1 times [2024-10-24 22:56:12,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:12,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988905753] [2024-10-24 22:56:12,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:12,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:12,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 22:56:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:12,704 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-24 22:56:12,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:12,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988905753] [2024-10-24 22:56:12,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988905753] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 22:56:12,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448541765] [2024-10-24 22:56:12,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:12,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:56:12,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:56:12,708 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 22:56:12,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 22:56:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:13,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 22:56:13,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 22:56:13,075 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-24 22:56:13,076 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 22:56:13,097 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-24 22:56:13,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448541765] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 22:56:13,097 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 22:56:13,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-24 22:56:13,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797558032] [2024-10-24 22:56:13,098 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 22:56:13,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 22:56:13,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:56:13,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 22:56:13,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 22:56:13,099 INFO L87 Difference]: Start difference. First operand 189 states and 220 transitions. Second operand has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:13,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:56:13,184 INFO L93 Difference]: Finished difference Result 210 states and 253 transitions. [2024-10-24 22:56:13,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 22:56:13,185 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2024-10-24 22:56:13,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:56:13,186 INFO L225 Difference]: With dead ends: 210 [2024-10-24 22:56:13,186 INFO L226 Difference]: Without dead ends: 209 [2024-10-24 22:56:13,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 22:56:13,187 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 12 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 22:56:13,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 399 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 22:56:13,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-10-24 22:56:13,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 201. [2024-10-24 22:56:13,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 167 states have (on average 1.3173652694610778) internal successors, (220), 188 states have internal predecessors, (220), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 22:56:13,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 238 transitions. [2024-10-24 22:56:13,196 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 238 transitions. Word has length 62 [2024-10-24 22:56:13,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:56:13,196 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 238 transitions. [2024-10-24 22:56:13,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:13,196 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 238 transitions. [2024-10-24 22:56:13,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-24 22:56:13,200 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:13,200 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 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] [2024-10-24 22:56:13,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-24 22:56:13,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-24 22:56:13,401 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:13,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:13,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1085392959, now seen corresponding path program 1 times [2024-10-24 22:56:13,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:13,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862701933] [2024-10-24 22:56:13,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:13,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:13,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 22:56:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:13,587 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-10-24 22:56:13,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:13,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862701933] [2024-10-24 22:56:13,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862701933] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 22:56:13,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505804857] [2024-10-24 22:56:13,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:13,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:56:13,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:56:13,590 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 22:56:13,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-24 22:56:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:13,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 22:56:13,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 22:56:13,990 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-10-24 22:56:13,991 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 22:56:14,077 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-10-24 22:56:14,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505804857] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 22:56:14,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 22:56:14,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2024-10-24 22:56:14,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423069280] [2024-10-24 22:56:14,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 22:56:14,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 22:56:14,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:56:14,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 22:56:14,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-10-24 22:56:14,080 INFO L87 Difference]: Start difference. First operand 201 states and 238 transitions. Second operand has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:14,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:56:14,198 INFO L93 Difference]: Finished difference Result 377 states and 458 transitions. [2024-10-24 22:56:14,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 22:56:14,199 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 69 [2024-10-24 22:56:14,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:56:14,200 INFO L225 Difference]: With dead ends: 377 [2024-10-24 22:56:14,200 INFO L226 Difference]: Without dead ends: 236 [2024-10-24 22:56:14,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-10-24 22:56:14,201 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 5 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 22:56:14,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 891 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 22:56:14,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-10-24 22:56:14,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2024-10-24 22:56:14,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 203 states have (on average 1.2561576354679802) internal successors, (255), 223 states have internal predecessors, (255), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 22:56:14,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 273 transitions. [2024-10-24 22:56:14,211 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 273 transitions. Word has length 69 [2024-10-24 22:56:14,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:56:14,211 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 273 transitions. [2024-10-24 22:56:14,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:14,211 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 273 transitions. [2024-10-24 22:56:14,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-24 22:56:14,212 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:14,212 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1] [2024-10-24 22:56:14,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-24 22:56:14,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-24 22:56:14,413 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:14,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:14,414 INFO L85 PathProgramCache]: Analyzing trace with hash -521772363, now seen corresponding path program 1 times [2024-10-24 22:56:14,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:14,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878986540] [2024-10-24 22:56:14,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:14,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:14,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 22:56:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:14,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 22:56:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:14,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 22:56:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:14,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 22:56:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:14,818 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-10-24 22:56:14,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:14,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878986540] [2024-10-24 22:56:14,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878986540] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:56:14,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:56:14,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 22:56:14,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121006312] [2024-10-24 22:56:14,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:56:14,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 22:56:14,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:56:14,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 22:56:14,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 22:56:14,821 INFO L87 Difference]: Start difference. First operand 236 states and 273 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-24 22:56:15,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:56:15,008 INFO L93 Difference]: Finished difference Result 348 states and 411 transitions. [2024-10-24 22:56:15,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 22:56:15,008 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 79 [2024-10-24 22:56:15,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:56:15,011 INFO L225 Difference]: With dead ends: 348 [2024-10-24 22:56:15,013 INFO L226 Difference]: Without dead ends: 249 [2024-10-24 22:56:15,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-24 22:56:15,014 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 188 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 22:56:15,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 359 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 22:56:15,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-10-24 22:56:15,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 236. [2024-10-24 22:56:15,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 203 states have (on average 1.251231527093596) internal successors, (254), 223 states have internal predecessors, (254), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 22:56:15,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 272 transitions. [2024-10-24 22:56:15,026 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 272 transitions. Word has length 79 [2024-10-24 22:56:15,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:56:15,027 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 272 transitions. [2024-10-24 22:56:15,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-24 22:56:15,027 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 272 transitions. [2024-10-24 22:56:15,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-24 22:56:15,029 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:15,029 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1] [2024-10-24 22:56:15,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 22:56:15,029 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:15,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:15,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1339420813, now seen corresponding path program 1 times [2024-10-24 22:56:15,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:15,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336182229] [2024-10-24 22:56:15,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:15,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:15,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 22:56:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:15,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 22:56:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:15,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 22:56:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:15,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 22:56:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:15,370 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-10-24 22:56:15,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:15,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336182229] [2024-10-24 22:56:15,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336182229] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:56:15,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:56:15,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 22:56:15,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185799545] [2024-10-24 22:56:15,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:56:15,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 22:56:15,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:56:15,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 22:56:15,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 22:56:15,373 INFO L87 Difference]: Start difference. First operand 236 states and 272 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 22:56:15,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:56:15,477 INFO L93 Difference]: Finished difference Result 286 states and 329 transitions. [2024-10-24 22:56:15,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 22:56:15,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 79 [2024-10-24 22:56:15,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:56:15,480 INFO L225 Difference]: With dead ends: 286 [2024-10-24 22:56:15,480 INFO L226 Difference]: Without dead ends: 230 [2024-10-24 22:56:15,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 22:56:15,481 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 60 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 22:56:15,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 252 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 22:56:15,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-10-24 22:56:15,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 224. [2024-10-24 22:56:15,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 196 states have (on average 1.2244897959183674) internal successors, (240), 212 states have internal predecessors, (240), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 22:56:15,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 256 transitions. [2024-10-24 22:56:15,491 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 256 transitions. Word has length 79 [2024-10-24 22:56:15,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:56:15,492 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 256 transitions. [2024-10-24 22:56:15,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 22:56:15,492 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 256 transitions. [2024-10-24 22:56:15,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-24 22:56:15,492 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:15,493 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1] [2024-10-24 22:56:15,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 22:56:15,494 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:15,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:15,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1339418891, now seen corresponding path program 1 times [2024-10-24 22:56:15,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:15,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151612801] [2024-10-24 22:56:15,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:15,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:15,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 22:56:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:15,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 22:56:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:15,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 22:56:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:15,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 22:56:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:15,954 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-10-24 22:56:15,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:15,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151612801] [2024-10-24 22:56:15,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151612801] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:56:15,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:56:15,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 22:56:15,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847691625] [2024-10-24 22:56:15,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:56:15,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 22:56:15,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:56:15,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 22:56:15,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 22:56:15,957 INFO L87 Difference]: Start difference. First operand 224 states and 256 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 22:56:16,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:56:16,133 INFO L93 Difference]: Finished difference Result 230 states and 263 transitions. [2024-10-24 22:56:16,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 22:56:16,134 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 79 [2024-10-24 22:56:16,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:56:16,135 INFO L225 Difference]: With dead ends: 230 [2024-10-24 22:56:16,136 INFO L226 Difference]: Without dead ends: 228 [2024-10-24 22:56:16,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 22:56:16,137 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 28 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 22:56:16,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 290 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 22:56:16,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-10-24 22:56:16,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2024-10-24 22:56:16,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 196 states have (on average 1.2142857142857142) internal successors, (238), 210 states have internal predecessors, (238), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 22:56:16,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 254 transitions. [2024-10-24 22:56:16,148 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 254 transitions. Word has length 79 [2024-10-24 22:56:16,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:56:16,149 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 254 transitions. [2024-10-24 22:56:16,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 22:56:16,149 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 254 transitions. [2024-10-24 22:56:16,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-24 22:56:16,150 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:16,150 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1] [2024-10-24 22:56:16,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-24 22:56:16,151 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:16,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:16,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1427687553, now seen corresponding path program 1 times [2024-10-24 22:56:16,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:16,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163707253] [2024-10-24 22:56:16,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:16,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:16,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 22:56:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:16,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 22:56:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:16,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 22:56:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:16,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 22:56:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:16,697 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-10-24 22:56:16,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:16,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163707253] [2024-10-24 22:56:16,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163707253] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:56:16,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:56:16,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 22:56:16,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973310824] [2024-10-24 22:56:16,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:56:16,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 22:56:16,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:56:16,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 22:56:16,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 22:56:16,700 INFO L87 Difference]: Start difference. First operand 222 states and 254 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 22:56:16,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:56:16,903 INFO L93 Difference]: Finished difference Result 312 states and 365 transitions. [2024-10-24 22:56:16,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 22:56:16,906 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 80 [2024-10-24 22:56:16,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:56:16,907 INFO L225 Difference]: With dead ends: 312 [2024-10-24 22:56:16,907 INFO L226 Difference]: Without dead ends: 217 [2024-10-24 22:56:16,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-10-24 22:56:16,908 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 111 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 22:56:16,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 441 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 22:56:16,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-10-24 22:56:16,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 214. [2024-10-24 22:56:16,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 189 states have (on average 1.2116402116402116) internal successors, (229), 203 states have internal predecessors, (229), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-24 22:56:16,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 243 transitions. [2024-10-24 22:56:16,919 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 243 transitions. Word has length 80 [2024-10-24 22:56:16,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:56:16,920 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 243 transitions. [2024-10-24 22:56:16,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 22:56:16,920 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 243 transitions. [2024-10-24 22:56:16,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-24 22:56:16,923 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:16,923 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 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] [2024-10-24 22:56:16,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-24 22:56:16,923 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:16,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:16,924 INFO L85 PathProgramCache]: Analyzing trace with hash -630189372, now seen corresponding path program 1 times [2024-10-24 22:56:16,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:16,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170711226] [2024-10-24 22:56:16,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:16,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:17,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 22:56:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:17,150 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-10-24 22:56:17,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:17,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170711226] [2024-10-24 22:56:17,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170711226] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 22:56:17,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793104570] [2024-10-24 22:56:17,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:17,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:56:17,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:56:17,153 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 22:56:17,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-24 22:56:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:17,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 22:56:17,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 22:56:17,617 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-10-24 22:56:17,617 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 22:56:17,639 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-10-24 22:56:17,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793104570] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 22:56:17,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 22:56:17,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-24 22:56:17,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405331435] [2024-10-24 22:56:17,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 22:56:17,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 22:56:17,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:56:17,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 22:56:17,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 22:56:17,642 INFO L87 Difference]: Start difference. First operand 214 states and 243 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:17,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:56:17,711 INFO L93 Difference]: Finished difference Result 224 states and 255 transitions. [2024-10-24 22:56:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 22:56:17,711 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 88 [2024-10-24 22:56:17,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:56:17,713 INFO L225 Difference]: With dead ends: 224 [2024-10-24 22:56:17,713 INFO L226 Difference]: Without dead ends: 223 [2024-10-24 22:56:17,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 22:56:17,714 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 22:56:17,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 453 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 22:56:17,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-10-24 22:56:17,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2024-10-24 22:56:17,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 198 states have (on average 1.202020202020202) internal successors, (238), 212 states have internal predecessors, (238), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-24 22:56:17,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 252 transitions. [2024-10-24 22:56:17,723 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 252 transitions. Word has length 88 [2024-10-24 22:56:17,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:56:17,723 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 252 transitions. [2024-10-24 22:56:17,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:17,724 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 252 transitions. [2024-10-24 22:56:17,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-24 22:56:17,724 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:17,725 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:56:17,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-24 22:56:17,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-10-24 22:56:17,925 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:17,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:17,926 INFO L85 PathProgramCache]: Analyzing trace with hash -2127120388, now seen corresponding path program 2 times [2024-10-24 22:56:17,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:17,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922639140] [2024-10-24 22:56:17,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:17,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:18,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 22:56:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:18,270 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2024-10-24 22:56:18,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:18,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922639140] [2024-10-24 22:56:18,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922639140] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 22:56:18,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899135631] [2024-10-24 22:56:18,271 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 22:56:18,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:56:18,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:56:18,273 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 22:56:18,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-24 22:56:18,675 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-24 22:56:18,675 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 22:56:18,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 22:56:18,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 22:56:18,756 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2024-10-24 22:56:18,756 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 22:56:18,838 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2024-10-24 22:56:18,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899135631] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 22:56:18,841 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 22:56:18,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-10-24 22:56:18,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620903495] [2024-10-24 22:56:18,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 22:56:18,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 22:56:18,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:56:18,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 22:56:18,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 22:56:18,843 INFO L87 Difference]: Start difference. First operand 223 states and 252 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:18,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:56:18,914 INFO L93 Difference]: Finished difference Result 223 states and 252 transitions. [2024-10-24 22:56:18,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 22:56:18,915 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 97 [2024-10-24 22:56:18,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:56:18,916 INFO L225 Difference]: With dead ends: 223 [2024-10-24 22:56:18,916 INFO L226 Difference]: Without dead ends: 205 [2024-10-24 22:56:18,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-24 22:56:18,917 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 54 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:56:18,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 398 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:56:18,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-10-24 22:56:18,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2024-10-24 22:56:18,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 181 states have (on average 1.2044198895027625) internal successors, (218), 194 states have internal predecessors, (218), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-24 22:56:18,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 232 transitions. [2024-10-24 22:56:18,927 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 232 transitions. Word has length 97 [2024-10-24 22:56:18,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:56:18,927 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 232 transitions. [2024-10-24 22:56:18,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:56:18,928 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 232 transitions. [2024-10-24 22:56:18,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-24 22:56:18,944 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:56:18,944 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:56:18,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-24 22:56:19,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-24 22:56:19,146 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 30 more)] === [2024-10-24 22:56:19,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:56:19,146 INFO L85 PathProgramCache]: Analyzing trace with hash -177416220, now seen corresponding path program 1 times [2024-10-24 22:56:19,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:56:19,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426349604] [2024-10-24 22:56:19,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:19,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:56:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:26,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 22:56:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:26,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 22:56:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:26,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 22:56:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:26,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 22:56:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:26,914 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-10-24 22:56:26,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:56:26,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426349604] [2024-10-24 22:56:26,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426349604] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 22:56:26,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131727431] [2024-10-24 22:56:26,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:56:26,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 22:56:26,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:56:26,917 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 22:56:26,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-24 22:56:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:56:27,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-10-24 22:56:27,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 22:56:27,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-10-24 22:56:27,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-10-24 22:56:27,743 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-10-24 22:56:27,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-10-24 22:56:27,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-10-24 22:56:27,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-24 22:56:27,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-24 22:56:27,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 69 [2024-10-24 22:56:27,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-24 22:56:27,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2024-10-24 22:56:27,875 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-10-24 22:56:27,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 48 [2024-10-24 22:56:27,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-24 22:56:27,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-24 22:56:27,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2024-10-24 22:56:27,907 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2024-10-24 22:56:27,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 26 [2024-10-24 22:56:28,046 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-10-24 22:56:28,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 53 [2024-10-24 22:56:28,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2024-10-24 22:56:28,150 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-10-24 22:56:28,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 53 [2024-10-24 22:56:28,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2024-10-24 22:56:28,251 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-10-24 22:56:28,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 53 [2024-10-24 22:56:28,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2024-10-24 22:56:28,400 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-10-24 22:56:28,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 53 [2024-10-24 22:56:28,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2024-10-24 22:56:28,501 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-10-24 22:56:28,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 53 [2024-10-24 22:56:28,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2024-10-24 22:56:28,597 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-10-24 22:56:28,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 53 [2024-10-24 22:56:28,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2024-10-24 22:56:28,690 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-10-24 22:56:28,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 53 [2024-10-24 22:56:28,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2024-10-24 22:56:28,794 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-10-24 22:56:28,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 53 [2024-10-24 22:56:28,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2024-10-24 22:56:28,891 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-10-24 22:56:28,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 53 [2024-10-24 22:56:28,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2024-10-24 22:56:28,987 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-10-24 22:56:28,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 53 [2024-10-24 22:56:28,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2024-10-24 22:56:29,365 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2024-10-24 22:56:29,365 INFO L311 TraceCheckSpWp]: Computing backward predicates...