./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/rev-3-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 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/array-multidimensional/rev-3-u.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe3cf414f0e241a9a4e73e59647cf6619ea50b905df4a1c2a404b3413992b780 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 17:57:49,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 17:57:49,672 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 17:57:49,682 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 17:57:49,682 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 17:57:49,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 17:57:49,723 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 17:57:49,724 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 17:57:49,724 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 17:57:49,725 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 17:57:49,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 17:57:49,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 17:57:49,726 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 17:57:49,726 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 17:57:49,727 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 17:57:49,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 17:57:49,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 17:57:49,728 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 17:57:49,728 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 17:57:49,729 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 17:57:49,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 17:57:49,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 17:57:49,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 17:57:49,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 17:57:49,730 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 17:57:49,731 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 17:57:49,731 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 17:57:49,731 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 17:57:49,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 17:57:49,732 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 17:57:49,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 17:57:49,732 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 17:57:49,733 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 17:57:49,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 17:57:49,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:57:49,735 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 17:57:49,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 17:57:49,735 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 17:57:49,740 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 17:57:49,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 17:57:49,741 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 17:57:49,745 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 17:57:49,745 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 17:57:49,745 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 17:57:49,746 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe3cf414f0e241a9a4e73e59647cf6619ea50b905df4a1c2a404b3413992b780 [2024-11-20 17:57:49,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 17:57:50,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 17:57:50,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 17:57:50,016 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 17:57:50,017 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 17:57:50,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/rev-3-u.c [2024-11-20 17:57:51,479 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 17:57:51,657 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 17:57:51,657 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/rev-3-u.c [2024-11-20 17:57:51,664 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2ad4e598/6cc896217aee4032b167a7fab7c760ff/FLAG172ea65d6 [2024-11-20 17:57:51,677 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2ad4e598/6cc896217aee4032b167a7fab7c760ff [2024-11-20 17:57:51,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 17:57:51,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 17:57:51,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 17:57:51,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 17:57:51,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 17:57:51,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:51,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1910bcb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51, skipping insertion in model container [2024-11-20 17:57:51,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:51,710 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 17:57:51,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:57:51,908 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 17:57:51,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:57:51,952 INFO L204 MainTranslator]: Completed translation [2024-11-20 17:57:51,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51 WrapperNode [2024-11-20 17:57:51,953 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 17:57:51,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 17:57:51,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 17:57:51,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 17:57:51,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:51,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:52,002 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 149 [2024-11-20 17:57:52,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 17:57:52,003 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 17:57:52,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 17:57:52,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 17:57:52,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:52,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:52,019 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:52,048 INFO L175 MemorySlicer]: Split 7 memory accesses to 3 slices as follows [2, 2, 3]. 43 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-11-20 17:57:52,049 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:52,049 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:52,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:52,068 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:52,070 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:52,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:52,078 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 17:57:52,082 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 17:57:52,082 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 17:57:52,082 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 17:57:52,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:52,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:57:52,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:52,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 17:57:52,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 17:57:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 17:57:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 17:57:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 17:57:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 17:57:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 17:57:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 17:57:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 17:57:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 17:57:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 17:57:52,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 17:57:52,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 17:57:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 17:57:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 17:57:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 17:57:52,234 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 17:57:52,237 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 17:57:52,587 INFO L? ?]: Removed 92 outVars from TransFormulas that were not future-live. [2024-11-20 17:57:52,588 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 17:57:52,610 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 17:57:52,610 INFO L316 CfgBuilder]: Removed 9 assume(true) statements. [2024-11-20 17:57:52,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:57:52 BoogieIcfgContainer [2024-11-20 17:57:52,611 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 17:57:52,613 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 17:57:52,613 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 17:57:52,617 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 17:57:52,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:57:51" (1/3) ... [2024-11-20 17:57:52,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c7562cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:57:52, skipping insertion in model container [2024-11-20 17:57:52,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (2/3) ... [2024-11-20 17:57:52,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c7562cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:57:52, skipping insertion in model container [2024-11-20 17:57:52,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:57:52" (3/3) ... [2024-11-20 17:57:52,622 INFO L112 eAbstractionObserver]: Analyzing ICFG rev-3-u.c [2024-11-20 17:57:52,639 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 17:57:52,640 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2024-11-20 17:57:52,700 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 17:57:52,706 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;@19eca89c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 17:57:52,706 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2024-11-20 17:57:52,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 62 states have (on average 1.9838709677419355) internal successors, (123), 104 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:52,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-20 17:57:52,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:52,718 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-20 17:57:52,719 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 17:57:52,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:52,724 INFO L85 PathProgramCache]: Analyzing trace with hash 28699906, now seen corresponding path program 1 times [2024-11-20 17:57:52,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:52,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955027387] [2024-11-20 17:57:52,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:52,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:53,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:57:53,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:53,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955027387] [2024-11-20 17:57:53,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955027387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:53,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:53,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 17:57:53,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551213107] [2024-11-20 17:57:53,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:53,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:57:53,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:53,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:57:53,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:53,049 INFO L87 Difference]: Start difference. First operand has 105 states, 62 states have (on average 1.9838709677419355) internal successors, (123), 104 states have internal predecessors, (123), 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:53,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:53,372 INFO L93 Difference]: Finished difference Result 258 states and 337 transitions. [2024-11-20 17:57:53,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:57:53,377 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2024-11-20 17:57:53,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:53,385 INFO L225 Difference]: With dead ends: 258 [2024-11-20 17:57:53,385 INFO L226 Difference]: Without dead ends: 149 [2024-11-20 17:57:53,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:53,391 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 133 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:53,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 75 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 17:57:53,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-20 17:57:53,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 143. [2024-11-20 17:57:53,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 101 states have (on average 1.7821782178217822) internal successors, (180), 142 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:53,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 180 transitions. [2024-11-20 17:57:53,430 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 180 transitions. Word has length 5 [2024-11-20 17:57:53,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:53,431 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 180 transitions. [2024-11-20 17:57:53,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:53,431 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 180 transitions. [2024-11-20 17:57:53,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 17:57:53,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:53,432 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 17:57:53,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 17:57:53,433 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 17:57:53,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:53,434 INFO L85 PathProgramCache]: Analyzing trace with hash 889698573, now seen corresponding path program 1 times [2024-11-20 17:57:53,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:53,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90965687] [2024-11-20 17:57:53,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:53,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:53,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:57:53,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:53,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90965687] [2024-11-20 17:57:53,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90965687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:53,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:53,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 17:57:53,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629989036] [2024-11-20 17:57:53,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:53,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 17:57:53,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:53,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 17:57:53,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:57:53,514 INFO L87 Difference]: Start difference. First operand 143 states and 180 transitions. Second operand has 3 states, 2 states have (on average 3.0) 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) [2024-11-20 17:57:53,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:53,624 INFO L93 Difference]: Finished difference Result 235 states and 312 transitions. [2024-11-20 17:57:53,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 17:57:53,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) 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 [2024-11-20 17:57:53,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:53,629 INFO L225 Difference]: With dead ends: 235 [2024-11-20 17:57:53,632 INFO L226 Difference]: Without dead ends: 229 [2024-11-20 17:57:53,633 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 [2024-11-20 17:57:53,634 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 47 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:53,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 149 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:57:53,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-20 17:57:53,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 213. [2024-11-20 17:57:53,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 171 states have (on average 1.7543859649122806) internal successors, (300), 212 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:53,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 300 transitions. [2024-11-20 17:57:53,663 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 300 transitions. Word has length 6 [2024-11-20 17:57:53,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:53,663 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 300 transitions. [2024-11-20 17:57:53,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) 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) [2024-11-20 17:57:53,664 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 300 transitions. [2024-11-20 17:57:53,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-20 17:57:53,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:53,665 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:53,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 17:57:53,665 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 17:57:53,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:53,666 INFO L85 PathProgramCache]: Analyzing trace with hash 274171095, now seen corresponding path program 1 times [2024-11-20 17:57:53,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:53,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10007287] [2024-11-20 17:57:53,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:53,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:53,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:57:53,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:53,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10007287] [2024-11-20 17:57:53,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10007287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:53,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:53,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:57:53,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024307519] [2024-11-20 17:57:53,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:53,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 17:57:53,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:53,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 17:57:53,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:57:53,751 INFO L87 Difference]: Start difference. First operand 213 states and 300 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:53,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:53,878 INFO L93 Difference]: Finished difference Result 424 states and 598 transitions. [2024-11-20 17:57:53,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 17:57:53,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2024-11-20 17:57:53,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:53,882 INFO L225 Difference]: With dead ends: 424 [2024-11-20 17:57:53,882 INFO L226 Difference]: Without dead ends: 238 [2024-11-20 17:57:53,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:57:53,886 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 14 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:53,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 127 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:57:53,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-20 17:57:53,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 234. [2024-11-20 17:57:53,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 192 states have (on average 1.7291666666666667) internal successors, (332), 233 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:53,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 332 transitions. [2024-11-20 17:57:53,917 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 332 transitions. Word has length 8 [2024-11-20 17:57:53,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:53,918 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 332 transitions. [2024-11-20 17:57:53,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:53,918 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 332 transitions. [2024-11-20 17:57:53,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-20 17:57:53,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:53,918 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:53,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 17:57:53,919 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 17:57:53,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:53,919 INFO L85 PathProgramCache]: Analyzing trace with hash 767067060, now seen corresponding path program 1 times [2024-11-20 17:57:53,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:53,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637511646] [2024-11-20 17:57:53,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:53,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:54,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:57:54,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:54,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637511646] [2024-11-20 17:57:54,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637511646] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:54,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004086660] [2024-11-20 17:57:54,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:54,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:54,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:54,018 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) [2024-11-20 17:57:54,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 17:57:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:54,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 17:57:54,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:54,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:57:54,138 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 17:57:54,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004086660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:54,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 17:57:54,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-20 17:57:54,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228319865] [2024-11-20 17:57:54,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:54,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:57:54,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:54,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:57:54,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:57:54,141 INFO L87 Difference]: Start difference. First operand 234 states and 332 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:54,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:54,258 INFO L93 Difference]: Finished difference Result 250 states and 332 transitions. [2024-11-20 17:57:54,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:57:54,259 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2024-11-20 17:57:54,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:54,260 INFO L225 Difference]: With dead ends: 250 [2024-11-20 17:57:54,261 INFO L226 Difference]: Without dead ends: 247 [2024-11-20 17:57:54,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:57:54,265 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 93 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:54,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 177 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:57:54,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-20 17:57:54,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 231. [2024-11-20 17:57:54,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 192 states have (on average 1.6875) internal successors, (324), 230 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:54,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 324 transitions. [2024-11-20 17:57:54,290 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 324 transitions. Word has length 9 [2024-11-20 17:57:54,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:54,291 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 324 transitions. [2024-11-20 17:57:54,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:54,291 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 324 transitions. [2024-11-20 17:57:54,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-20 17:57:54,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:54,291 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:54,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 17:57:54,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:54,493 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 17:57:54,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:54,494 INFO L85 PathProgramCache]: Analyzing trace with hash -2041318739, now seen corresponding path program 1 times [2024-11-20 17:57:54,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:54,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100206881] [2024-11-20 17:57:54,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:54,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:54,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 17:57:54,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:54,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100206881] [2024-11-20 17:57:54,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100206881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:54,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:54,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 17:57:54,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524336829] [2024-11-20 17:57:54,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:54,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:57:54,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:54,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:57:54,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:54,557 INFO L87 Difference]: Start difference. First operand 231 states and 324 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:54,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:54,717 INFO L93 Difference]: Finished difference Result 452 states and 635 transitions. [2024-11-20 17:57:54,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:57:54,718 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2024-11-20 17:57:54,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:54,719 INFO L225 Difference]: With dead ends: 452 [2024-11-20 17:57:54,719 INFO L226 Difference]: Without dead ends: 231 [2024-11-20 17:57:54,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:54,720 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 143 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:54,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 62 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:57:54,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-20 17:57:54,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2024-11-20 17:57:54,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 192 states have (on average 1.6041666666666667) internal successors, (308), 230 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:54,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 308 transitions. [2024-11-20 17:57:54,739 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 308 transitions. Word has length 10 [2024-11-20 17:57:54,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:54,739 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 308 transitions. [2024-11-20 17:57:54,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:54,739 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 308 transitions. [2024-11-20 17:57:54,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-20 17:57:54,740 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:54,740 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:54,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 17:57:54,740 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 17:57:54,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:54,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1990724853, now seen corresponding path program 1 times [2024-11-20 17:57:54,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:54,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812565943] [2024-11-20 17:57:54,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:54,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:54,796 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:57:54,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:54,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812565943] [2024-11-20 17:57:54,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812565943] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:54,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604729503] [2024-11-20 17:57:54,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:54,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:54,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:54,799 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) [2024-11-20 17:57:54,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 17:57:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:54,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 17:57:54,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:54,863 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:57:54,864 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:54,897 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:57:54,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604729503] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:54,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:54,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-20 17:57:54,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188934476] [2024-11-20 17:57:54,898 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:54,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 17:57:54,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:54,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 17:57:54,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-20 17:57:54,899 INFO L87 Difference]: Start difference. First operand 231 states and 308 transitions. Second operand has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:55,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:55,093 INFO L93 Difference]: Finished difference Result 526 states and 716 transitions. [2024-11-20 17:57:55,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 17:57:55,094 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 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 10 [2024-11-20 17:57:55,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:55,096 INFO L225 Difference]: With dead ends: 526 [2024-11-20 17:57:55,096 INFO L226 Difference]: Without dead ends: 523 [2024-11-20 17:57:55,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-20 17:57:55,097 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 276 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:55,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 320 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 17:57:55,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-11-20 17:57:55,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 459. [2024-11-20 17:57:55,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 420 states have (on average 1.6476190476190475) internal successors, (692), 458 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:55,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 692 transitions. [2024-11-20 17:57:55,117 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 692 transitions. Word has length 10 [2024-11-20 17:57:55,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:55,117 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 692 transitions. [2024-11-20 17:57:55,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:55,117 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 692 transitions. [2024-11-20 17:57:55,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-20 17:57:55,118 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:55,119 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:55,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 17:57:55,319 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,SelfDestructingSolverStorable5 [2024-11-20 17:57:55,320 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 17:57:55,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:55,320 INFO L85 PathProgramCache]: Analyzing trace with hash 903061951, now seen corresponding path program 1 times [2024-11-20 17:57:55,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:55,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838343592] [2024-11-20 17:57:55,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:55,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:55,386 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 17:57:55,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:55,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838343592] [2024-11-20 17:57:55,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838343592] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:55,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214012037] [2024-11-20 17:57:55,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:55,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:55,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:55,389 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) [2024-11-20 17:57:55,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 17:57:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:55,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 17:57:55,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:55,490 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 17:57:55,490 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:55,527 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 17:57:55,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214012037] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:55,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:55,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2024-11-20 17:57:55,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787548338] [2024-11-20 17:57:55,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:55,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 17:57:55,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:55,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 17:57:55,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-20 17:57:55,530 INFO L87 Difference]: Start difference. First operand 459 states and 692 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:56,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:56,248 INFO L93 Difference]: Finished difference Result 907 states and 1360 transitions. [2024-11-20 17:57:56,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 17:57:56,248 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-20 17:57:56,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:56,251 INFO L225 Difference]: With dead ends: 907 [2024-11-20 17:57:56,251 INFO L226 Difference]: Without dead ends: 467 [2024-11-20 17:57:56,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-20 17:57:56,252 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 1083 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1083 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:56,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1083 Valid, 114 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 17:57:56,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-11-20 17:57:56,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 452. [2024-11-20 17:57:56,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 420 states have (on average 1.5047619047619047) internal successors, (632), 451 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:56,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 632 transitions. [2024-11-20 17:57:56,267 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 632 transitions. Word has length 16 [2024-11-20 17:57:56,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:56,268 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 632 transitions. [2024-11-20 17:57:56,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:56,268 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 632 transitions. [2024-11-20 17:57:56,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-20 17:57:56,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:56,268 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1] [2024-11-20 17:57:56,277 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 17:57:56,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:56,469 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 17:57:56,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:56,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1756482670, now seen corresponding path program 2 times [2024-11-20 17:57:56,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:56,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438081152] [2024-11-20 17:57:56,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:56,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:56,532 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-20 17:57:56,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:56,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438081152] [2024-11-20 17:57:56,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438081152] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:56,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623263100] [2024-11-20 17:57:56,533 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 17:57:56,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:56,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:56,536 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) [2024-11-20 17:57:56,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 17:57:56,584 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 17:57:56,584 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:57:56,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 17:57:56,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:56,608 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-20 17:57:56,608 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:56,645 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-20 17:57:56,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623263100] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:56,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:56,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-20 17:57:56,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645872377] [2024-11-20 17:57:56,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:56,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:57:56,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:56,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:57:56,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:57:56,647 INFO L87 Difference]: Start difference. First operand 452 states and 632 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:56,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:56,786 INFO L93 Difference]: Finished difference Result 452 states and 632 transitions. [2024-11-20 17:57:56,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 17:57:56,786 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 19 [2024-11-20 17:57:56,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:56,788 INFO L225 Difference]: With dead ends: 452 [2024-11-20 17:57:56,788 INFO L226 Difference]: Without dead ends: 449 [2024-11-20 17:57:56,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-20 17:57:56,789 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 115 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:56,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 79 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:57:56,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-20 17:57:56,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 381. [2024-11-20 17:57:56,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 352 states have (on average 1.4772727272727273) internal successors, (520), 380 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:56,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 520 transitions. [2024-11-20 17:57:56,804 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 520 transitions. Word has length 19 [2024-11-20 17:57:56,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:56,805 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 520 transitions. [2024-11-20 17:57:56,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:56,805 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 520 transitions. [2024-11-20 17:57:56,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-20 17:57:56,806 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:56,806 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:56,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 17:57:57,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:57,007 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 17:57:57,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:57,007 INFO L85 PathProgramCache]: Analyzing trace with hash -789118025, now seen corresponding path program 1 times [2024-11-20 17:57:57,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:57,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513799481] [2024-11-20 17:57:57,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:57,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:57,106 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 17:57:57,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:57,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513799481] [2024-11-20 17:57:57,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513799481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:57,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:57,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:57:57,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511921825] [2024-11-20 17:57:57,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:57,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:57:57,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:57,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:57:57,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:57,108 INFO L87 Difference]: Start difference. First operand 381 states and 520 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:57,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:57,268 INFO L93 Difference]: Finished difference Result 827 states and 1181 transitions. [2024-11-20 17:57:57,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:57:57,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 28 [2024-11-20 17:57:57,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:57,271 INFO L225 Difference]: With dead ends: 827 [2024-11-20 17:57:57,271 INFO L226 Difference]: Without dead ends: 662 [2024-11-20 17:57:57,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:57,273 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 163 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:57,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 45 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:57:57,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2024-11-20 17:57:57,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 659. [2024-11-20 17:57:57,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 630 states have (on average 1.457142857142857) internal successors, (918), 658 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:57,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 918 transitions. [2024-11-20 17:57:57,294 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 918 transitions. Word has length 28 [2024-11-20 17:57:57,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:57,294 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 918 transitions. [2024-11-20 17:57:57,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:57,295 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 918 transitions. [2024-11-20 17:57:57,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-20 17:57:57,295 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:57,295 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:57,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 17:57:57,296 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 17:57:57,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:57,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1307145113, now seen corresponding path program 1 times [2024-11-20 17:57:57,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:57,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474487563] [2024-11-20 17:57:57,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:57,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:57,367 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 17:57:57,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:57,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474487563] [2024-11-20 17:57:57,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474487563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:57,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:57,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:57:57,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800811903] [2024-11-20 17:57:57,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:57,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:57:57,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:57,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:57:57,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:57,370 INFO L87 Difference]: Start difference. First operand 659 states and 918 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:57,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:57,532 INFO L93 Difference]: Finished difference Result 666 states and 918 transitions. [2024-11-20 17:57:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:57:57,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 29 [2024-11-20 17:57:57,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:57,536 INFO L225 Difference]: With dead ends: 666 [2024-11-20 17:57:57,536 INFO L226 Difference]: Without dead ends: 662 [2024-11-20 17:57:57,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:57,538 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 115 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:57,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 46 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:57:57,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2024-11-20 17:57:57,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 659. [2024-11-20 17:57:57,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 630 states have (on average 1.4063492063492065) internal successors, (886), 658 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:57,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 886 transitions. [2024-11-20 17:57:57,560 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 886 transitions. Word has length 29 [2024-11-20 17:57:57,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:57,561 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 886 transitions. [2024-11-20 17:57:57,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:57,562 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 886 transitions. [2024-11-20 17:57:57,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-20 17:57:57,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:57,563 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:57,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 17:57:57,564 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 17:57:57,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:57,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1902537827, now seen corresponding path program 1 times [2024-11-20 17:57:57,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:57,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708519226] [2024-11-20 17:57:57,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:57,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:57,645 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 17:57:57,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:57,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708519226] [2024-11-20 17:57:57,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708519226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:57,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:57,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:57:57,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570459696] [2024-11-20 17:57:57,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:57,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:57:57,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:57,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:57:57,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:57,647 INFO L87 Difference]: Start difference. First operand 659 states and 886 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:57,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:57,794 INFO L93 Difference]: Finished difference Result 663 states and 886 transitions. [2024-11-20 17:57:57,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:57:57,795 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 33 [2024-11-20 17:57:57,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:57,797 INFO L225 Difference]: With dead ends: 663 [2024-11-20 17:57:57,797 INFO L226 Difference]: Without dead ends: 659 [2024-11-20 17:57:57,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:57,798 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 96 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:57,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 51 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:57:57,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-11-20 17:57:57,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2024-11-20 17:57:57,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 630 states have (on average 1.3555555555555556) internal successors, (854), 658 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:57,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 854 transitions. [2024-11-20 17:57:57,827 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 854 transitions. Word has length 33 [2024-11-20 17:57:57,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:57,827 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 854 transitions. [2024-11-20 17:57:57,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:57,827 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 854 transitions. [2024-11-20 17:57:57,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-20 17:57:57,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:57,830 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-20 17:57:57,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 17:57:57,831 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 17:57:57,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:57,832 INFO L85 PathProgramCache]: Analyzing trace with hash 211563321, now seen corresponding path program 1 times [2024-11-20 17:57:57,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:57,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053183329] [2024-11-20 17:57:57,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:57,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:57,899 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-20 17:57:57,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:57,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053183329] [2024-11-20 17:57:57,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053183329] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:57,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074549084] [2024-11-20 17:57:57,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:57,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:57,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:57,902 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) [2024-11-20 17:57:57,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 17:57:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:57,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 17:57:57,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:58,086 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 17:57:58,086 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:58,182 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 17:57:58,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074549084] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:58,183 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:58,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 8, 8] total 16 [2024-11-20 17:57:58,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053724402] [2024-11-20 17:57:58,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:58,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 17:57:58,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:58,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 17:57:58,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2024-11-20 17:57:58,185 INFO L87 Difference]: Start difference. First operand 659 states and 854 transitions. Second operand has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:59,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:59,430 INFO L93 Difference]: Finished difference Result 2889 states and 3988 transitions. [2024-11-20 17:57:59,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-20 17:57:59,431 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 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 35 [2024-11-20 17:57:59,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:59,439 INFO L225 Difference]: With dead ends: 2889 [2024-11-20 17:57:59,440 INFO L226 Difference]: Without dead ends: 2247 [2024-11-20 17:57:59,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2024-11-20 17:57:59,442 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 3986 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3986 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:59,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3986 Valid, 148 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 17:57:59,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2247 states. [2024-11-20 17:57:59,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2247 to 2223. [2024-11-20 17:57:59,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2223 states, 2194 states have (on average 1.3454876937101186) internal successors, (2952), 2222 states have internal predecessors, (2952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:59,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 2223 states and 2952 transitions. [2024-11-20 17:57:59,496 INFO L78 Accepts]: Start accepts. Automaton has 2223 states and 2952 transitions. Word has length 35 [2024-11-20 17:57:59,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:59,497 INFO L471 AbstractCegarLoop]: Abstraction has 2223 states and 2952 transitions. [2024-11-20 17:57:59,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:59,497 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 2952 transitions. [2024-11-20 17:57:59,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-20 17:57:59,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:59,501 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:59,509 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 17:57:59,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-20 17:57:59,702 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 17:57:59,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:59,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1429731754, now seen corresponding path program 1 times [2024-11-20 17:57:59,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:59,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364385438] [2024-11-20 17:57:59,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:59,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:59,898 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2024-11-20 17:57:59,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:59,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364385438] [2024-11-20 17:57:59,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364385438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:59,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:59,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:57:59,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331759424] [2024-11-20 17:57:59,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:59,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:57:59,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:59,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:57:59,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:59,900 INFO L87 Difference]: Start difference. First operand 2223 states and 2952 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:58:00,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:58:00,064 INFO L93 Difference]: Finished difference Result 2227 states and 2952 transitions. [2024-11-20 17:58:00,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:58:00,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 89 [2024-11-20 17:58:00,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:58:00,073 INFO L225 Difference]: With dead ends: 2227 [2024-11-20 17:58:00,073 INFO L226 Difference]: Without dead ends: 2223 [2024-11-20 17:58:00,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:58:00,074 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 80 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:58:00,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 54 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:58:00,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2223 states. [2024-11-20 17:58:00,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2223 to 2223. [2024-11-20 17:58:00,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2223 states, 2194 states have (on average 1.3345487693710119) internal successors, (2928), 2222 states have internal predecessors, (2928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:58:00,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 2223 states and 2928 transitions. [2024-11-20 17:58:00,130 INFO L78 Accepts]: Start accepts. Automaton has 2223 states and 2928 transitions. Word has length 89 [2024-11-20 17:58:00,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:58:00,131 INFO L471 AbstractCegarLoop]: Abstraction has 2223 states and 2928 transitions. [2024-11-20 17:58:00,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:58:00,131 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 2928 transitions. [2024-11-20 17:58:00,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-20 17:58:00,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:58:00,132 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:58:00,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 17:58:00,132 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 17:58:00,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:58:00,133 INFO L85 PathProgramCache]: Analyzing trace with hash 420808776, now seen corresponding path program 1 times [2024-11-20 17:58:00,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:58:00,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997159792] [2024-11-20 17:58:00,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:58:00,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:58:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:58:00,555 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 324 proven. 145 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-11-20 17:58:00,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:58:00,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997159792] [2024-11-20 17:58:00,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997159792] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:58:00,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911204514] [2024-11-20 17:58:00,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:58:00,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:58:00,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:58:00,558 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) [2024-11-20 17:58:00,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 17:58:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:58:00,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 17:58:00,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:58:00,923 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 324 proven. 145 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-11-20 17:58:00,924 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:58:01,197 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 324 proven. 145 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-11-20 17:58:01,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911204514] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:58:01,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:58:01,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 37 [2024-11-20 17:58:01,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290162201] [2024-11-20 17:58:01,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:58:01,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-20 17:58:01,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:58:01,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-20 17:58:01,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=753, Unknown=0, NotChecked=0, Total=1332 [2024-11-20 17:58:01,200 INFO L87 Difference]: Start difference. First operand 2223 states and 2928 transitions. Second operand has 37 states, 37 states have (on average 3.5405405405405403) internal successors, (131), 37 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:58:02,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:58:02,750 INFO L93 Difference]: Finished difference Result 6931 states and 9420 transitions. [2024-11-20 17:58:02,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-20 17:58:02,751 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.5405405405405403) internal successors, (131), 37 states have internal predecessors, (131), 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 104 [2024-11-20 17:58:02,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:58:02,766 INFO L225 Difference]: With dead ends: 6931 [2024-11-20 17:58:02,766 INFO L226 Difference]: Without dead ends: 4743 [2024-11-20 17:58:02,769 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=876, Invalid=1380, Unknown=0, NotChecked=0, Total=2256 [2024-11-20 17:58:02,770 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 2942 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2942 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 1301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:58:02,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2942 Valid, 179 Invalid, 1301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 1129 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 17:58:02,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4743 states. [2024-11-20 17:58:02,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4743 to 4743. [2024-11-20 17:58:02,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4743 states, 4714 states have (on average 1.3389902418328383) internal successors, (6312), 4742 states have internal predecessors, (6312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:58:02,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4743 states to 4743 states and 6312 transitions. [2024-11-20 17:58:02,885 INFO L78 Accepts]: Start accepts. Automaton has 4743 states and 6312 transitions. Word has length 104 [2024-11-20 17:58:02,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:58:02,885 INFO L471 AbstractCegarLoop]: Abstraction has 4743 states and 6312 transitions. [2024-11-20 17:58:02,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.5405405405405403) internal successors, (131), 37 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:58:02,885 INFO L276 IsEmpty]: Start isEmpty. Operand 4743 states and 6312 transitions. [2024-11-20 17:58:02,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-20 17:58:02,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:58:02,887 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:58:02,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-20 17:58:03,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:58:03,088 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 17:58:03,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:58:03,088 INFO L85 PathProgramCache]: Analyzing trace with hash -2115094456, now seen corresponding path program 2 times [2024-11-20 17:58:03,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:58:03,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445620758] [2024-11-20 17:58:03,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:58:03,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:58:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:58:04,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2944 backedges. 1500 proven. 715 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked. [2024-11-20 17:58:04,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:58:04,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445620758] [2024-11-20 17:58:04,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445620758] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:58:04,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520361969] [2024-11-20 17:58:04,136 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 17:58:04,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:58:04,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:58:04,138 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) [2024-11-20 17:58:04,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 17:58:04,317 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 17:58:04,317 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:58:04,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-20 17:58:04,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:58:04,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2944 backedges. 1500 proven. 715 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked. [2024-11-20 17:58:04,873 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:58:05,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2944 backedges. 1500 proven. 715 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked. [2024-11-20 17:58:05,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520361969] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:58:05,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:58:05,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 73 [2024-11-20 17:58:05,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179443814] [2024-11-20 17:58:05,740 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:58:05,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-11-20 17:58:05,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:58:05,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-11-20 17:58:05,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2307, Invalid=2949, Unknown=0, NotChecked=0, Total=5256 [2024-11-20 17:58:05,744 INFO L87 Difference]: Start difference. First operand 4743 states and 6312 transitions. Second operand has 73 states, 73 states have (on average 3.2739726027397262) internal successors, (239), 73 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:58:09,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:58:09,463 INFO L93 Difference]: Finished difference Result 14455 states and 19752 transitions. [2024-11-20 17:58:09,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-20 17:58:09,463 INFO L78 Accepts]: Start accepts. Automaton has has 73 states, 73 states have (on average 3.2739726027397262) internal successors, (239), 73 states have internal predecessors, (239), 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 176 [2024-11-20 17:58:09,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:58:09,493 INFO L225 Difference]: With dead ends: 14455 [2024-11-20 17:58:09,493 INFO L226 Difference]: Without dead ends: 9783 [2024-11-20 17:58:09,500 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3217 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=3480, Invalid=5640, Unknown=0, NotChecked=0, Total=9120 [2024-11-20 17:58:09,501 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 7250 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 2019 mSolverCounterSat, 468 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7250 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 2487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 468 IncrementalHoareTripleChecker+Valid, 2019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-20 17:58:09,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7250 Valid, 255 Invalid, 2487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [468 Valid, 2019 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-20 17:58:09,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9783 states. [2024-11-20 17:58:09,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9783 to 9783. [2024-11-20 17:58:09,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9783 states, 9754 states have (on average 1.3409883124871846) internal successors, (13080), 9782 states have internal predecessors, (13080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:58:09,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9783 states to 9783 states and 13080 transitions. [2024-11-20 17:58:09,777 INFO L78 Accepts]: Start accepts. Automaton has 9783 states and 13080 transitions. Word has length 176 [2024-11-20 17:58:09,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:58:09,777 INFO L471 AbstractCegarLoop]: Abstraction has 9783 states and 13080 transitions. [2024-11-20 17:58:09,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 3.2739726027397262) internal successors, (239), 73 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:58:09,778 INFO L276 IsEmpty]: Start isEmpty. Operand 9783 states and 13080 transitions. [2024-11-20 17:58:09,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2024-11-20 17:58:09,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:58:09,781 INFO L215 NwaCegarLoop]: trace histogram [92, 92, 92, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:58:09,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-20 17:58:09,984 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 [2024-11-20 17:58:09,985 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 17:58:09,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:58:09,985 INFO L85 PathProgramCache]: Analyzing trace with hash 504584264, now seen corresponding path program 3 times [2024-11-20 17:58:09,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:58:09,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484076339] [2024-11-20 17:58:09,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:58:09,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:58:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:58:13,396 INFO L134 CoverageAnalysis]: Checked inductivity of 12760 backedges. 6444 proven. 3151 refuted. 0 times theorem prover too weak. 3165 trivial. 0 not checked. [2024-11-20 17:58:13,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:58:13,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484076339] [2024-11-20 17:58:13,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484076339] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:58:13,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799222461] [2024-11-20 17:58:13,398 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 17:58:13,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:58:13,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:58:13,401 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) [2024-11-20 17:58:13,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-20 17:58:13,560 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-20 17:58:13,560 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:58:13,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 17:58:13,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:58:14,286 INFO L134 CoverageAnalysis]: Checked inductivity of 12760 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12759 trivial. 0 not checked. [2024-11-20 17:58:14,286 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:58:14,645 INFO L134 CoverageAnalysis]: Checked inductivity of 12760 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12759 trivial. 0 not checked. [2024-11-20 17:58:14,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799222461] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:58:14,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:58:14,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 4, 4] total 54 [2024-11-20 17:58:14,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522057091] [2024-11-20 17:58:14,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:58:14,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-11-20 17:58:14,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:58:14,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-11-20 17:58:14,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1195, Invalid=1667, Unknown=0, NotChecked=0, Total=2862 [2024-11-20 17:58:14,649 INFO L87 Difference]: Start difference. First operand 9783 states and 13080 transitions. Second operand has 54 states, 54 states have (on average 3.685185185185185) internal successors, (199), 54 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:58:31,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:58:31,148 INFO L93 Difference]: Finished difference Result 29985 states and 41385 transitions. [2024-11-20 17:58:31,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2024-11-20 17:58:31,148 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 3.685185185185185) internal successors, (199), 54 states have internal predecessors, (199), 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 320 [2024-11-20 17:58:31,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:58:31,192 INFO L225 Difference]: With dead ends: 29985 [2024-11-20 17:58:31,192 INFO L226 Difference]: Without dead ends: 20345 [2024-11-20 17:58:31,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 878 GetRequests, 636 SyntacticMatches, 0 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18332 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=18176, Invalid=41116, Unknown=0, NotChecked=0, Total=59292 [2024-11-20 17:58:31,213 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 36106 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 2062 mSolverCounterSat, 1824 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36106 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 3886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1824 IncrementalHoareTripleChecker+Valid, 2062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-20 17:58:31,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36106 Valid, 216 Invalid, 3886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1824 Valid, 2062 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-20 17:58:31,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20345 states. [2024-11-20 17:58:31,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20345 to 17539. [2024-11-20 17:58:31,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17539 states, 17514 states have (on average 1.3075254082448327) internal successors, (22900), 17538 states have internal predecessors, (22900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:58:31,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17539 states to 17539 states and 22900 transitions. [2024-11-20 17:58:31,708 INFO L78 Accepts]: Start accepts. Automaton has 17539 states and 22900 transitions. Word has length 320 [2024-11-20 17:58:31,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:58:31,709 INFO L471 AbstractCegarLoop]: Abstraction has 17539 states and 22900 transitions. [2024-11-20 17:58:31,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 3.685185185185185) internal successors, (199), 54 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:58:31,709 INFO L276 IsEmpty]: Start isEmpty. Operand 17539 states and 22900 transitions. [2024-11-20 17:58:31,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2024-11-20 17:58:31,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:58:31,715 INFO L215 NwaCegarLoop]: trace histogram [141, 141, 141, 3, 3, 3, 2, 1, 1, 1, 1] [2024-11-20 17:58:31,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-20 17:58:31,915 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 [2024-11-20 17:58:31,916 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 17:58:31,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:58:31,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1591650167, now seen corresponding path program 2 times [2024-11-20 17:58:31,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:58:31,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49096515] [2024-11-20 17:58:31,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:58:31,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:58:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:58:32,314 INFO L134 CoverageAnalysis]: Checked inductivity of 30045 backedges. 0 proven. 13448 refuted. 0 times theorem prover too weak. 16597 trivial. 0 not checked. [2024-11-20 17:58:32,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:58:32,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49096515] [2024-11-20 17:58:32,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49096515] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:58:32,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409722584] [2024-11-20 17:58:32,315 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 17:58:32,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:58:32,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:58:32,317 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) [2024-11-20 17:58:32,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-20 17:58:32,546 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 17:58:32,546 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:58:32,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 17:58:32,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:58:32,989 INFO L134 CoverageAnalysis]: Checked inductivity of 30045 backedges. 0 proven. 13448 refuted. 0 times theorem prover too weak. 16597 trivial. 0 not checked. [2024-11-20 17:58:32,990 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:58:33,461 INFO L134 CoverageAnalysis]: Checked inductivity of 30045 backedges. 0 proven. 13448 refuted. 0 times theorem prover too weak. 16597 trivial. 0 not checked. [2024-11-20 17:58:33,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409722584] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:58:33,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:58:33,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-20 17:58:33,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496546877] [2024-11-20 17:58:33,463 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:58:33,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:58:33,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:58:33,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:58:33,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:58:33,465 INFO L87 Difference]: Start difference. First operand 17539 states and 22900 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:58:33,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:58:33,865 INFO L93 Difference]: Finished difference Result 17539 states and 22900 transitions. [2024-11-20 17:58:33,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 17:58:33,865 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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 438 [2024-11-20 17:58:33,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:58:33,897 INFO L225 Difference]: With dead ends: 17539 [2024-11-20 17:58:33,897 INFO L226 Difference]: Without dead ends: 17536 [2024-11-20 17:58:33,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 879 GetRequests, 873 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-20 17:58:33,900 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 157 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:58:33,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 42 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:58:33,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17536 states. [2024-11-20 17:58:34,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17536 to 16946. [2024-11-20 17:58:34,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16946 states, 16924 states have (on average 1.317359962183881) internal successors, (22295), 16945 states have internal predecessors, (22295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:58:34,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16946 states to 16946 states and 22295 transitions. [2024-11-20 17:58:34,190 INFO L78 Accepts]: Start accepts. Automaton has 16946 states and 22295 transitions. Word has length 438 [2024-11-20 17:58:34,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:58:34,191 INFO L471 AbstractCegarLoop]: Abstraction has 16946 states and 22295 transitions. [2024-11-20 17:58:34,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:58:34,192 INFO L276 IsEmpty]: Start isEmpty. Operand 16946 states and 22295 transitions. [2024-11-20 17:58:34,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2024-11-20 17:58:34,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:58:34,205 INFO L215 NwaCegarLoop]: trace histogram [188, 188, 188, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1] [2024-11-20 17:58:34,213 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-20 17:58:34,405 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 [2024-11-20 17:58:34,406 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 17:58:34,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:58:34,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1042892967, now seen corresponding path program 1 times [2024-11-20 17:58:34,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:58:34,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594586148] [2024-11-20 17:58:34,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:58:34,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:58:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:58:34,966 INFO L134 CoverageAnalysis]: Checked inductivity of 53521 backedges. 0 proven. 26907 refuted. 0 times theorem prover too weak. 26614 trivial. 0 not checked. [2024-11-20 17:58:34,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:58:34,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594586148] [2024-11-20 17:58:34,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594586148] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:58:34,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139130880] [2024-11-20 17:58:34,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:58:34,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:58:34,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:58:34,970 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) [2024-11-20 17:58:34,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-20 17:58:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:58:35,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 2168 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-20 17:58:35,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:58:37,114 INFO L134 CoverageAnalysis]: Checked inductivity of 53521 backedges. 20172 proven. 3290 refuted. 0 times theorem prover too weak. 30059 trivial. 0 not checked. [2024-11-20 17:58:37,114 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:58:39,312 INFO L134 CoverageAnalysis]: Checked inductivity of 53521 backedges. 20172 proven. 3290 refuted. 0 times theorem prover too weak. 30059 trivial. 0 not checked. [2024-11-20 17:58:39,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139130880] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:58:39,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:58:39,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 51, 51] total 102 [2024-11-20 17:58:39,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167046055] [2024-11-20 17:58:39,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:58:39,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2024-11-20 17:58:39,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:58:39,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2024-11-20 17:58:39,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4858, Invalid=5444, Unknown=0, NotChecked=0, Total=10302 [2024-11-20 17:58:39,319 INFO L87 Difference]: Start difference. First operand 16946 states and 22295 transitions. Second operand has 102 states, 102 states have (on average 3.1862745098039214) internal successors, (325), 102 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:59:10,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:59:10,620 INFO L93 Difference]: Finished difference Result 51248 states and 68943 transitions. [2024-11-20 17:59:10,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-11-20 17:59:10,621 INFO L78 Accepts]: Start accepts. Automaton has has 102 states, 102 states have (on average 3.1862745098039214) internal successors, (325), 102 states have internal predecessors, (325), 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 589 [2024-11-20 17:59:10,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:59:10,685 INFO L225 Difference]: With dead ends: 51248 [2024-11-20 17:59:10,685 INFO L226 Difference]: Without dead ends: 34448 [2024-11-20 17:59:10,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1373 GetRequests, 1079 SyntacticMatches, 0 SemanticMatches, 294 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23232 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=24452, Invalid=62868, Unknown=0, NotChecked=0, Total=87320 [2024-11-20 17:59:10,712 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 44179 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 6842 mSolverCounterSat, 1825 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44179 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 8667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1825 IncrementalHoareTripleChecker+Valid, 6842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-11-20 17:59:10,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44179 Valid, 479 Invalid, 8667 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1825 Valid, 6842 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2024-11-20 17:59:10,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34448 states. [2024-11-20 17:59:11,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34448 to 34436. [2024-11-20 17:59:11,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34436 states, 34417 states have (on average 1.318127669465671) internal successors, (45366), 34435 states have internal predecessors, (45366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:59:11,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34436 states to 34436 states and 45366 transitions. [2024-11-20 17:59:11,320 INFO L78 Accepts]: Start accepts. Automaton has 34436 states and 45366 transitions. Word has length 589 [2024-11-20 17:59:11,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:59:11,321 INFO L471 AbstractCegarLoop]: Abstraction has 34436 states and 45366 transitions. [2024-11-20 17:59:11,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 3.1862745098039214) internal successors, (325), 102 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:59:11,321 INFO L276 IsEmpty]: Start isEmpty. Operand 34436 states and 45366 transitions. [2024-11-20 17:59:11,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1767 [2024-11-20 17:59:11,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:59:11,412 INFO L215 NwaCegarLoop]: trace histogram [576, 576, 576, 6, 6, 6, 6, 3, 3, 3, 2, 1, 1, 1] [2024-11-20 17:59:11,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-20 17:59:11,613 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 [2024-11-20 17:59:11,614 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 17:59:11,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:59:11,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1836594137, now seen corresponding path program 1 times [2024-11-20 17:59:11,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:59:11,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018940806] [2024-11-20 17:59:11,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:59:11,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:59:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:59:13,591 INFO L134 CoverageAnalysis]: Checked inductivity of 500346 backedges. 0 proven. 222766 refuted. 0 times theorem prover too weak. 277580 trivial. 0 not checked. [2024-11-20 17:59:13,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:59:13,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018940806] [2024-11-20 17:59:13,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018940806] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:59:13,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855720647] [2024-11-20 17:59:13,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:59:13,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:59:13,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:59:13,595 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) [2024-11-20 17:59:13,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process