./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound50.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 a3c408aeb75b378569a9828f29f37caa03495bee0afeec4c4af831c79f34806f --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:55:27,632 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:55:27,699 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:55:27,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:55:27,707 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:55:27,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:55:27,737 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:55:27,738 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:55:27,739 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:55:27,740 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:55:27,740 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:55:27,740 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:55:27,741 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:55:27,741 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:55:27,743 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:55:27,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:55:27,743 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:55:27,744 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:55:27,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:55:27,744 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:55:27,748 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:55:27,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:55:27,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:55:27,749 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:55:27,749 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:55:27,749 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:55:27,750 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:55:27,750 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:55:27,750 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:55:27,750 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:55:27,751 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:55:27,751 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:55:27,751 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:55:27,751 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:55:27,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:55:27,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:55:27,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:55:27,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:55:27,752 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:55:27,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:55:27,753 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:55:27,753 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:55:27,753 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:55:27,754 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:55:27,754 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3c408aeb75b378569a9828f29f37caa03495bee0afeec4c4af831c79f34806f [2024-11-09 11:55:27,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:55:28,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:55:28,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:55:28,049 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:55:28,050 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:55:28,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound50.c [2024-11-09 11:55:29,457 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:55:29,647 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:55:29,648 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound50.c [2024-11-09 11:55:29,654 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b07068dc/edc3b55ad5124342ba826d2138bc99c4/FLAG2ac09147b [2024-11-09 11:55:29,665 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b07068dc/edc3b55ad5124342ba826d2138bc99c4 [2024-11-09 11:55:29,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:55:29,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:55:29,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:55:29,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:55:29,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:55:29,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:55:29" (1/1) ... [2024-11-09 11:55:29,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f664d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:29, skipping insertion in model container [2024-11-09 11:55:29,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:55:29" (1/1) ... [2024-11-09 11:55:29,695 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:55:29,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:55:29,909 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:55:29,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:55:29,956 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:55:29,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:29 WrapperNode [2024-11-09 11:55:29,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:55:29,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:55:29,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:55:29,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:55:29,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:29" (1/1) ... [2024-11-09 11:55:29,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:29" (1/1) ... [2024-11-09 11:55:30,003 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2024-11-09 11:55:30,006 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:55:30,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:55:30,007 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:55:30,007 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:55:30,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:29" (1/1) ... [2024-11-09 11:55:30,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:29" (1/1) ... [2024-11-09 11:55:30,025 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:29" (1/1) ... [2024-11-09 11:55:30,038 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 11:55:30,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:29" (1/1) ... [2024-11-09 11:55:30,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:29" (1/1) ... [2024-11-09 11:55:30,042 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:29" (1/1) ... [2024-11-09 11:55:30,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:29" (1/1) ... [2024-11-09 11:55:30,047 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:29" (1/1) ... [2024-11-09 11:55:30,048 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:29" (1/1) ... [2024-11-09 11:55:30,052 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:55:30,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:55:30,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:55:30,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:55:30,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:29" (1/1) ... [2024-11-09 11:55:30,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:55:30,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:55:30,081 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) [2024-11-09 11:55:30,083 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 [2024-11-09 11:55:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:55:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 11:55:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 11:55:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:55:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:55:30,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:55:30,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:55:30,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:55:30,175 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:55:30,176 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:55:30,421 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-11-09 11:55:30,421 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:55:30,435 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:55:30,435 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 11:55:30,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:55:30 BoogieIcfgContainer [2024-11-09 11:55:30,436 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:55:30,438 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:55:30,438 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:55:30,441 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:55:30,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:55:29" (1/3) ... [2024-11-09 11:55:30,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4230b834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:55:30, skipping insertion in model container [2024-11-09 11:55:30,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:55:29" (2/3) ... [2024-11-09 11:55:30,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4230b834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:55:30, skipping insertion in model container [2024-11-09 11:55:30,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:55:30" (3/3) ... [2024-11-09 11:55:30,444 INFO L112 eAbstractionObserver]: Analyzing ICFG hard-ll_valuebound50.c [2024-11-09 11:55:30,460 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:55:30,461 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-09 11:55:30,512 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:55:30,518 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;@c469f01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:55:30,518 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-09 11:55:30,523 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 44 states have (on average 1.75) internal successors, (77), 68 states have internal predecessors, (77), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:55:30,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 11:55:30,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:55:30,529 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:55:30,529 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:55:30,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:55:30,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1890980195, now seen corresponding path program 1 times [2024-11-09 11:55:30,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:55:30,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91466513] [2024-11-09 11:55:30,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:30,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:55:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:30,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:55:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:30,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:55:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:30,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:55:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:30,753 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:55:30,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:55:30,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91466513] [2024-11-09 11:55:30,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91466513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:55:30,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:55:30,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:55:30,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538035689] [2024-11-09 11:55:30,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:55:30,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 11:55:30,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:55:30,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 11:55:30,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:55:30,799 INFO L87 Difference]: Start difference. First operand has 81 states, 44 states have (on average 1.75) internal successors, (77), 68 states have internal predecessors, (77), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 11:55:30,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:55:30,819 INFO L93 Difference]: Finished difference Result 158 states and 199 transitions. [2024-11-09 11:55:30,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 11:55:30,821 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2024-11-09 11:55:30,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:55:30,826 INFO L225 Difference]: With dead ends: 158 [2024-11-09 11:55:30,827 INFO L226 Difference]: Without dead ends: 73 [2024-11-09 11:55:30,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:55:30,833 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:55:30,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:55:30,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-09 11:55:30,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-09 11:55:30,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 39 states have (on average 1.6666666666666667) internal successors, (65), 62 states have internal predecessors, (65), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 11:55:30,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 81 transitions. [2024-11-09 11:55:30,865 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 81 transitions. Word has length 22 [2024-11-09 11:55:30,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:55:30,865 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 81 transitions. [2024-11-09 11:55:30,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 11:55:30,866 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2024-11-09 11:55:30,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 11:55:30,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:55:30,867 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:55:30,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:55:30,867 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:55:30,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:55:30,868 INFO L85 PathProgramCache]: Analyzing trace with hash 422543756, now seen corresponding path program 1 times [2024-11-09 11:55:30,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:55:30,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997101830] [2024-11-09 11:55:30,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:30,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:55:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:55:30,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [28912380] [2024-11-09 11:55:30,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:30,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:55:30,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:55:30,914 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) [2024-11-09 11:55:30,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:55:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:30,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:55:30,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:55:31,010 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:55:31,010 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:55:31,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:55:31,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997101830] [2024-11-09 11:55:31,011 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:55:31,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28912380] [2024-11-09 11:55:31,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28912380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:55:31,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:55:31,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:55:31,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096239870] [2024-11-09 11:55:31,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:55:31,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:55:31,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:55:31,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:55:31,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:55:31,015 INFO L87 Difference]: Start difference. First operand 73 states and 81 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:55:31,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:55:31,101 INFO L93 Difference]: Finished difference Result 149 states and 168 transitions. [2024-11-09 11:55:31,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:55:31,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 31 [2024-11-09 11:55:31,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:55:31,103 INFO L225 Difference]: With dead ends: 149 [2024-11-09 11:55:31,103 INFO L226 Difference]: Without dead ends: 100 [2024-11-09 11:55:31,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:55:31,104 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 20 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:55:31,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 131 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:55:31,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-09 11:55:31,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 94. [2024-11-09 11:55:31,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 55 states have (on average 1.6) internal successors, (88), 78 states have internal predecessors, (88), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-09 11:55:31,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 114 transitions. [2024-11-09 11:55:31,121 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 114 transitions. Word has length 31 [2024-11-09 11:55:31,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:55:31,122 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 114 transitions. [2024-11-09 11:55:31,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:55:31,123 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2024-11-09 11:55:31,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 11:55:31,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:55:31,124 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:55:31,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 11:55:31,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:55:31,329 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:55:31,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:55:31,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1895928885, now seen corresponding path program 1 times [2024-11-09 11:55:31,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:55:31,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587515770] [2024-11-09 11:55:31,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:31,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:55:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:31,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:55:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:31,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:55:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:31,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:55:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:31,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:55:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:31,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:55:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:31,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:55:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:31,544 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:55:31,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:55:31,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587515770] [2024-11-09 11:55:31,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587515770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:55:31,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:55:31,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:55:31,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856461445] [2024-11-09 11:55:31,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:55:31,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:55:31,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:55:31,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:55:31,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:55:31,554 INFO L87 Difference]: Start difference. First operand 94 states and 114 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:55:31,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:55:31,655 INFO L93 Difference]: Finished difference Result 94 states and 114 transitions. [2024-11-09 11:55:31,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:55:31,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 39 [2024-11-09 11:55:31,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:55:31,658 INFO L225 Difference]: With dead ends: 94 [2024-11-09 11:55:31,660 INFO L226 Difference]: Without dead ends: 92 [2024-11-09 11:55:31,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:55:31,662 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 39 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:55:31,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 77 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:55:31,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-09 11:55:31,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-09 11:55:31,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 55 states have (on average 1.5454545454545454) internal successors, (85), 76 states have internal predecessors, (85), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-09 11:55:31,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 111 transitions. [2024-11-09 11:55:31,680 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 111 transitions. Word has length 39 [2024-11-09 11:55:31,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:55:31,681 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 111 transitions. [2024-11-09 11:55:31,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:55:31,681 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions. [2024-11-09 11:55:31,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 11:55:31,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:55:31,682 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:55:31,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:55:31,683 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:55:31,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:55:31,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1355748025, now seen corresponding path program 1 times [2024-11-09 11:55:31,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:55:31,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332351606] [2024-11-09 11:55:31,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:31,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:55:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:55:31,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1595111466] [2024-11-09 11:55:31,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:31,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:55:31,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:55:31,719 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) [2024-11-09 11:55:31,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:55:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:31,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:55:31,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:55:31,816 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:55:31,816 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:55:31,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:55:31,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332351606] [2024-11-09 11:55:31,817 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:55:31,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595111466] [2024-11-09 11:55:31,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595111466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:55:31,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:55:31,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:55:31,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538623601] [2024-11-09 11:55:31,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:55:31,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:55:31,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:55:31,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:55:31,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:55:31,823 INFO L87 Difference]: Start difference. First operand 92 states and 111 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:55:31,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:55:31,889 INFO L93 Difference]: Finished difference Result 126 states and 154 transitions. [2024-11-09 11:55:31,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:55:31,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2024-11-09 11:55:31,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:55:31,891 INFO L225 Difference]: With dead ends: 126 [2024-11-09 11:55:31,891 INFO L226 Difference]: Without dead ends: 122 [2024-11-09 11:55:31,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:55:31,893 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 37 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:55:31,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 105 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:55:31,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-09 11:55:31,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 109. [2024-11-09 11:55:31,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 70 states have (on average 1.5285714285714285) internal successors, (107), 91 states have internal predecessors, (107), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 11:55:31,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 137 transitions. [2024-11-09 11:55:31,904 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 137 transitions. Word has length 40 [2024-11-09 11:55:31,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:55:31,905 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 137 transitions. [2024-11-09 11:55:31,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:55:31,905 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 137 transitions. [2024-11-09 11:55:31,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 11:55:31,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:55:31,906 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:55:31,923 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 11:55:32,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-09 11:55:32,107 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:55:32,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:55:32,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1355746647, now seen corresponding path program 1 times [2024-11-09 11:55:32,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:55:32,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41349686] [2024-11-09 11:55:32,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:32,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:55:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:32,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:55:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:32,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:55:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:32,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:55:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:32,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:55:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:32,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:55:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:32,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:55:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:32,224 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:55:32,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:55:32,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41349686] [2024-11-09 11:55:32,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41349686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:55:32,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:55:32,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:55:32,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672867898] [2024-11-09 11:55:32,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:55:32,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:55:32,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:55:32,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:55:32,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:55:32,228 INFO L87 Difference]: Start difference. First operand 109 states and 137 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:55:32,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:55:32,293 INFO L93 Difference]: Finished difference Result 116 states and 142 transitions. [2024-11-09 11:55:32,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:55:32,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2024-11-09 11:55:32,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:55:32,297 INFO L225 Difference]: With dead ends: 116 [2024-11-09 11:55:32,297 INFO L226 Difference]: Without dead ends: 115 [2024-11-09 11:55:32,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:55:32,299 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 14 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:55:32,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 126 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:55:32,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-09 11:55:32,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 109. [2024-11-09 11:55:32,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 70 states have (on average 1.5142857142857142) internal successors, (106), 91 states have internal predecessors, (106), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 11:55:32,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 136 transitions. [2024-11-09 11:55:32,312 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 136 transitions. Word has length 40 [2024-11-09 11:55:32,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:55:32,313 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 136 transitions. [2024-11-09 11:55:32,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:55:32,313 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 136 transitions. [2024-11-09 11:55:32,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 11:55:32,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:55:32,314 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:55:32,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 11:55:32,315 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:55:32,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:55:32,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1498758743, now seen corresponding path program 1 times [2024-11-09 11:55:32,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:55:32,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348340492] [2024-11-09 11:55:32,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:32,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:55:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:32,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:55:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:32,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:55:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:32,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:55:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:32,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:55:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:32,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:55:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:32,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:55:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:32,429 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:55:32,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:55:32,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348340492] [2024-11-09 11:55:32,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348340492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:55:32,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:55:32,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:55:32,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558896286] [2024-11-09 11:55:32,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:55:32,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:55:32,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:55:32,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:55:32,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:55:32,434 INFO L87 Difference]: Start difference. First operand 109 states and 136 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:55:32,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:55:32,766 INFO L93 Difference]: Finished difference Result 124 states and 150 transitions. [2024-11-09 11:55:32,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:55:32,767 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2024-11-09 11:55:32,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:55:32,768 INFO L225 Difference]: With dead ends: 124 [2024-11-09 11:55:32,769 INFO L226 Difference]: Without dead ends: 123 [2024-11-09 11:55:32,769 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:55:32,770 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 85 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:55:32,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 108 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:55:32,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-09 11:55:32,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 113. [2024-11-09 11:55:32,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 74 states have (on average 1.4864864864864864) internal successors, (110), 95 states have internal predecessors, (110), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 11:55:32,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 140 transitions. [2024-11-09 11:55:32,802 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 140 transitions. Word has length 42 [2024-11-09 11:55:32,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:55:32,802 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 140 transitions. [2024-11-09 11:55:32,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:55:32,802 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 140 transitions. [2024-11-09 11:55:32,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 11:55:32,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:55:32,803 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:55:32,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 11:55:32,804 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:55:32,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:55:32,806 INFO L85 PathProgramCache]: Analyzing trace with hash 783119308, now seen corresponding path program 1 times [2024-11-09 11:55:32,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:55:32,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805683187] [2024-11-09 11:55:32,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:32,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:55:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:55:32,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1914996728] [2024-11-09 11:55:32,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:32,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:55:32,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:55:32,823 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) [2024-11-09 11:55:32,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:55:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:32,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:55:32,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:55:32,984 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:55:32,984 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:55:32,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:55:32,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805683187] [2024-11-09 11:55:32,985 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:55:32,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914996728] [2024-11-09 11:55:32,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914996728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:55:32,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:55:32,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:55:32,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555597129] [2024-11-09 11:55:32,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:55:32,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:55:32,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:55:32,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:55:32,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:55:32,988 INFO L87 Difference]: Start difference. First operand 113 states and 140 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:55:33,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:55:33,059 INFO L93 Difference]: Finished difference Result 124 states and 147 transitions. [2024-11-09 11:55:33,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:55:33,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-11-09 11:55:33,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:55:33,062 INFO L225 Difference]: With dead ends: 124 [2024-11-09 11:55:33,065 INFO L226 Difference]: Without dead ends: 121 [2024-11-09 11:55:33,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:55:33,066 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 30 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:55:33,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 98 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:55:33,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-09 11:55:33,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 114. [2024-11-09 11:55:33,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 75 states have (on average 1.4533333333333334) internal successors, (109), 96 states have internal predecessors, (109), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 11:55:33,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 139 transitions. [2024-11-09 11:55:33,088 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 139 transitions. Word has length 43 [2024-11-09 11:55:33,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:55:33,091 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 139 transitions. [2024-11-09 11:55:33,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:55:33,091 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 139 transitions. [2024-11-09 11:55:33,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 11:55:33,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:55:33,092 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:55:33,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:55:33,296 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 [2024-11-09 11:55:33,297 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:55:33,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:55:33,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1636648139, now seen corresponding path program 1 times [2024-11-09 11:55:33,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:55:33,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103539525] [2024-11-09 11:55:33,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:33,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:55:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:55:33,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1426943784] [2024-11-09 11:55:33,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:33,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:55:33,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:55:33,316 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) [2024-11-09 11:55:33,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:55:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:33,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 11:55:33,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:55:33,600 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-09 11:55:33,601 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:55:33,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:55:33,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103539525] [2024-11-09 11:55:33,820 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:55:33,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426943784] [2024-11-09 11:55:33,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426943784] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:55:33,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:55:33,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:55:33,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133446218] [2024-11-09 11:55:33,824 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:55:33,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:55:33,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:55:33,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:55:33,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:55:33,825 INFO L87 Difference]: Start difference. First operand 114 states and 139 transitions. Second operand has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 8 states have internal predecessors, (23), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:55:34,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:55:34,183 INFO L93 Difference]: Finished difference Result 130 states and 160 transitions. [2024-11-09 11:55:34,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:55:34,184 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 8 states have internal predecessors, (23), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 54 [2024-11-09 11:55:34,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:55:34,185 INFO L225 Difference]: With dead ends: 130 [2024-11-09 11:55:34,185 INFO L226 Difference]: Without dead ends: 122 [2024-11-09 11:55:34,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:55:34,186 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 114 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:55:34,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 237 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:55:34,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-09 11:55:34,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2024-11-09 11:55:34,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 100 states have internal predecessors, (112), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 11:55:34,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 146 transitions. [2024-11-09 11:55:34,202 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 146 transitions. Word has length 54 [2024-11-09 11:55:34,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:55:34,202 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 146 transitions. [2024-11-09 11:55:34,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 8 states have internal predecessors, (23), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:55:34,203 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 146 transitions. [2024-11-09 11:55:34,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 11:55:34,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:55:34,204 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:55:34,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:55:34,404 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 [2024-11-09 11:55:34,405 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:55:34,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:55:34,405 INFO L85 PathProgramCache]: Analyzing trace with hash -803515191, now seen corresponding path program 1 times [2024-11-09 11:55:34,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:55:34,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099075454] [2024-11-09 11:55:34,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:34,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:55:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:55:34,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [503528472] [2024-11-09 11:55:34,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:34,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:55:34,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:55:34,432 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) [2024-11-09 11:55:34,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:55:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:34,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 11:55:34,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:55:34,686 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-09 11:55:34,687 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:55:34,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:55:34,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099075454] [2024-11-09 11:55:34,842 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:55:34,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503528472] [2024-11-09 11:55:34,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [503528472] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:55:34,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:55:34,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:55:34,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721423756] [2024-11-09 11:55:34,843 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:55:34,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:55:34,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:55:34,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:55:34,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:55:34,845 INFO L87 Difference]: Start difference. First operand 120 states and 146 transitions. Second operand has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:55:35,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:55:35,184 INFO L93 Difference]: Finished difference Result 192 states and 245 transitions. [2024-11-09 11:55:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:55:35,185 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 55 [2024-11-09 11:55:35,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:55:35,187 INFO L225 Difference]: With dead ends: 192 [2024-11-09 11:55:35,187 INFO L226 Difference]: Without dead ends: 188 [2024-11-09 11:55:35,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:55:35,188 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 163 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:55:35,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 287 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:55:35,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-09 11:55:35,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 179. [2024-11-09 11:55:35,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 133 states have (on average 1.3533834586466165) internal successors, (180), 150 states have internal predecessors, (180), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 11:55:35,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 232 transitions. [2024-11-09 11:55:35,218 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 232 transitions. Word has length 55 [2024-11-09 11:55:35,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:55:35,218 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 232 transitions. [2024-11-09 11:55:35,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:55:35,218 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 232 transitions. [2024-11-09 11:55:35,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 11:55:35,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:55:35,219 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:55:35,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 11:55:35,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:55:35,420 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:55:35,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:55:35,421 INFO L85 PathProgramCache]: Analyzing trace with hash 2102091629, now seen corresponding path program 1 times [2024-11-09 11:55:35,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:55:35,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288922629] [2024-11-09 11:55:35,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:35,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:55:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:35,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:55:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:35,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:55:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:35,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:55:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:35,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:55:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:35,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:55:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:35,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:55:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:35,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 11:55:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:35,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 11:55:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:35,567 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-09 11:55:35,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:55:35,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288922629] [2024-11-09 11:55:35,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288922629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:55:35,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:55:35,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:55:35,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957101632] [2024-11-09 11:55:35,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:55:35,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:55:35,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:55:35,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:55:35,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:55:35,570 INFO L87 Difference]: Start difference. First operand 179 states and 232 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:55:36,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:55:36,014 INFO L93 Difference]: Finished difference Result 188 states and 241 transitions. [2024-11-09 11:55:36,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:55:36,015 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 59 [2024-11-09 11:55:36,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:55:36,016 INFO L225 Difference]: With dead ends: 188 [2024-11-09 11:55:36,016 INFO L226 Difference]: Without dead ends: 173 [2024-11-09 11:55:36,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:55:36,017 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 39 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:55:36,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 139 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:55:36,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-09 11:55:36,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 146. [2024-11-09 11:55:36,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 106 states have (on average 1.4056603773584906) internal successors, (149), 123 states have internal predecessors, (149), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:55:36,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 189 transitions. [2024-11-09 11:55:36,035 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 189 transitions. Word has length 59 [2024-11-09 11:55:36,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:55:36,035 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 189 transitions. [2024-11-09 11:55:36,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:55:36,036 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 189 transitions. [2024-11-09 11:55:36,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 11:55:36,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:55:36,037 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 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] [2024-11-09 11:55:36,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 11:55:36,037 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:55:36,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:55:36,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1900976566, now seen corresponding path program 1 times [2024-11-09 11:55:36,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:55:36,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724850154] [2024-11-09 11:55:36,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:36,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:55:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:36,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:55:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:36,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:55:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:36,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:55:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:36,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:55:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:36,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:55:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:36,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:55:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:36,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 11:55:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:36,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 11:55:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:36,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:55:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:36,158 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-09 11:55:36,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:55:36,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724850154] [2024-11-09 11:55:36,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724850154] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:55:36,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101921036] [2024-11-09 11:55:36,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:36,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:55:36,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:55:36,160 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) [2024-11-09 11:55:36,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:55:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:36,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:55:36,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:55:36,239 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-09 11:55:36,239 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:55:36,302 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-09 11:55:36,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101921036] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:55:36,302 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:55:36,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-09 11:55:36,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451197354] [2024-11-09 11:55:36,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:55:36,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:55:36,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:55:36,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:55:36,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:55:36,306 INFO L87 Difference]: Start difference. First operand 146 states and 189 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-09 11:55:36,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:55:36,462 INFO L93 Difference]: Finished difference Result 256 states and 328 transitions. [2024-11-09 11:55:36,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:55:36,462 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 63 [2024-11-09 11:55:36,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:55:36,464 INFO L225 Difference]: With dead ends: 256 [2024-11-09 11:55:36,465 INFO L226 Difference]: Without dead ends: 254 [2024-11-09 11:55:36,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:55:36,466 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 101 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:55:36,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 233 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:55:36,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-09 11:55:36,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 204. [2024-11-09 11:55:36,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 154 states have (on average 1.4025974025974026) internal successors, (216), 171 states have internal predecessors, (216), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-09 11:55:36,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 276 transitions. [2024-11-09 11:55:36,492 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 276 transitions. Word has length 63 [2024-11-09 11:55:36,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:55:36,492 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 276 transitions. [2024-11-09 11:55:36,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-09 11:55:36,492 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 276 transitions. [2024-11-09 11:55:36,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 11:55:36,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:55:36,494 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:55:36,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 11:55:36,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:55:36,694 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:55:36,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:55:36,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1677921032, now seen corresponding path program 2 times [2024-11-09 11:55:36,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:55:36,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114132977] [2024-11-09 11:55:36,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:36,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:55:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:55:36,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [841640561] [2024-11-09 11:55:36,719 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:55:36,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:55:36,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:55:36,721 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) [2024-11-09 11:55:36,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:55:36,775 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:55:36,776 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:55:36,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:55:36,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:55:37,040 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-09 11:55:37,040 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:55:37,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:55:37,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114132977] [2024-11-09 11:55:37,190 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:55:37,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841640561] [2024-11-09 11:55:37,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841640561] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:55:37,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:55:37,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 11:55:37,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55564065] [2024-11-09 11:55:37,190 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:55:37,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:55:37,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:55:37,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:55:37,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:55:37,192 INFO L87 Difference]: Start difference. First operand 204 states and 276 transitions. Second operand has 10 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 10 states have internal predecessors, (32), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-09 11:55:37,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:55:37,712 INFO L93 Difference]: Finished difference Result 274 states and 367 transitions. [2024-11-09 11:55:37,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:55:37,712 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 10 states have internal predecessors, (32), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 78 [2024-11-09 11:55:37,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:55:37,714 INFO L225 Difference]: With dead ends: 274 [2024-11-09 11:55:37,714 INFO L226 Difference]: Without dead ends: 270 [2024-11-09 11:55:37,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:55:37,715 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 135 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:55:37,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 436 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:55:37,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-09 11:55:37,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 204. [2024-11-09 11:55:37,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 154 states have (on average 1.3896103896103895) internal successors, (214), 171 states have internal predecessors, (214), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-09 11:55:37,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 274 transitions. [2024-11-09 11:55:37,736 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 274 transitions. Word has length 78 [2024-11-09 11:55:37,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:55:37,736 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 274 transitions. [2024-11-09 11:55:37,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 10 states have internal predecessors, (32), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-09 11:55:37,736 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 274 transitions. [2024-11-09 11:55:37,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 11:55:37,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:55:37,737 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:55:37,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 11:55:37,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:55:37,941 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:55:37,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:55:37,941 INFO L85 PathProgramCache]: Analyzing trace with hash 343448633, now seen corresponding path program 1 times [2024-11-09 11:55:37,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:55:37,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692741383] [2024-11-09 11:55:37,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:37,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:55:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:37,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:55:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:37,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:55:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:55:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:55:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:55:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:55:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 11:55:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 11:55:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:55:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 11:55:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 11:55:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,031 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-11-09 11:55:38,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:55:38,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692741383] [2024-11-09 11:55:38,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692741383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:55:38,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:55:38,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:55:38,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824010095] [2024-11-09 11:55:38,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:55:38,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:55:38,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:55:38,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:55:38,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:55:38,033 INFO L87 Difference]: Start difference. First operand 204 states and 274 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-09 11:55:38,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:55:38,082 INFO L93 Difference]: Finished difference Result 204 states and 274 transitions. [2024-11-09 11:55:38,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:55:38,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 85 [2024-11-09 11:55:38,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:55:38,084 INFO L225 Difference]: With dead ends: 204 [2024-11-09 11:55:38,084 INFO L226 Difference]: Without dead ends: 203 [2024-11-09 11:55:38,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:55:38,084 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 2 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:55:38,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 116 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:55:38,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-09 11:55:38,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-11-09 11:55:38,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 154 states have (on average 1.37012987012987) internal successors, (211), 170 states have internal predecessors, (211), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-09 11:55:38,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 271 transitions. [2024-11-09 11:55:38,105 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 271 transitions. Word has length 85 [2024-11-09 11:55:38,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:55:38,105 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 271 transitions. [2024-11-09 11:55:38,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-09 11:55:38,105 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 271 transitions. [2024-11-09 11:55:38,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 11:55:38,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:55:38,106 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:55:38,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 11:55:38,106 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:55:38,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:55:38,107 INFO L85 PathProgramCache]: Analyzing trace with hash 2056973142, now seen corresponding path program 1 times [2024-11-09 11:55:38,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:55:38,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536400774] [2024-11-09 11:55:38,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:38,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:55:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:55:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:55:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:55:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:55:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:55:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:55:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 11:55:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 11:55:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:55:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 11:55:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 11:55:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,303 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-11-09 11:55:38,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:55:38,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536400774] [2024-11-09 11:55:38,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536400774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:55:38,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:55:38,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:55:38,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182815500] [2024-11-09 11:55:38,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:55:38,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:55:38,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:55:38,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:55:38,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:55:38,306 INFO L87 Difference]: Start difference. First operand 203 states and 271 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:55:38,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:55:38,642 INFO L93 Difference]: Finished difference Result 364 states and 506 transitions. [2024-11-09 11:55:38,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:55:38,642 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 86 [2024-11-09 11:55:38,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:55:38,644 INFO L225 Difference]: With dead ends: 364 [2024-11-09 11:55:38,644 INFO L226 Difference]: Without dead ends: 363 [2024-11-09 11:55:38,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:55:38,645 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 94 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:55:38,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 264 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:55:38,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-09 11:55:38,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 305. [2024-11-09 11:55:38,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 244 states have (on average 1.4344262295081966) internal successors, (350), 260 states have internal predecessors, (350), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-09 11:55:38,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 434 transitions. [2024-11-09 11:55:38,695 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 434 transitions. Word has length 86 [2024-11-09 11:55:38,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:55:38,695 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 434 transitions. [2024-11-09 11:55:38,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:55:38,696 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 434 transitions. [2024-11-09 11:55:38,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 11:55:38,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:55:38,696 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:55:38,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 11:55:38,697 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:55:38,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:55:38,697 INFO L85 PathProgramCache]: Analyzing trace with hash -658341925, now seen corresponding path program 1 times [2024-11-09 11:55:38,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:55:38,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951259174] [2024-11-09 11:55:38,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:38,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:55:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:55:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:55:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:55:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:55:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:55:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:55:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 11:55:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 11:55:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:55:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 11:55:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 11:55:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,907 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-09 11:55:38,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:55:38,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951259174] [2024-11-09 11:55:38,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951259174] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:55:38,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525003991] [2024-11-09 11:55:38,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:38,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:55:38,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:55:38,909 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) [2024-11-09 11:55:38,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:55:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:38,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:55:38,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:55:39,132 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-11-09 11:55:39,132 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:55:39,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525003991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:55:39,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:55:39,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-09 11:55:39,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770261389] [2024-11-09 11:55:39,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:55:39,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:55:39,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:55:39,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:55:39,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:55:39,134 INFO L87 Difference]: Start difference. First operand 305 states and 434 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:55:39,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:55:39,329 INFO L93 Difference]: Finished difference Result 364 states and 505 transitions. [2024-11-09 11:55:39,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:55:39,330 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 87 [2024-11-09 11:55:39,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:55:39,332 INFO L225 Difference]: With dead ends: 364 [2024-11-09 11:55:39,332 INFO L226 Difference]: Without dead ends: 363 [2024-11-09 11:55:39,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:55:39,333 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 44 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:55:39,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 170 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:55:39,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-09 11:55:39,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 314. [2024-11-09 11:55:39,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 253 states have (on average 1.4189723320158103) internal successors, (359), 269 states have internal predecessors, (359), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-09 11:55:39,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 443 transitions. [2024-11-09 11:55:39,367 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 443 transitions. Word has length 87 [2024-11-09 11:55:39,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:55:39,367 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 443 transitions. [2024-11-09 11:55:39,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:55:39,367 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 443 transitions. [2024-11-09 11:55:39,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-09 11:55:39,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:55:39,368 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:55:39,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 11:55:39,568 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,SelfDestructingSolverStorable14 [2024-11-09 11:55:39,569 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:55:39,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:55:39,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1066236920, now seen corresponding path program 1 times [2024-11-09 11:55:39,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:55:39,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136044705] [2024-11-09 11:55:39,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:39,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:55:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:39,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:55:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:39,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:55:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:39,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:55:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:39,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:55:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:39,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:55:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:39,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:55:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:39,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 11:55:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:39,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 11:55:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:39,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:55:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:39,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 11:55:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:39,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 11:55:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:39,745 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-09 11:55:39,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:55:39,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136044705] [2024-11-09 11:55:39,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136044705] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:55:39,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572485974] [2024-11-09 11:55:39,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:39,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:55:39,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:55:39,747 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) [2024-11-09 11:55:39,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:55:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:39,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:55:39,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:55:39,946 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-11-09 11:55:39,946 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:55:39,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572485974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:55:39,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:55:39,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-09 11:55:39,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328107570] [2024-11-09 11:55:39,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:55:39,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:55:39,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:55:39,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:55:39,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:55:39,948 INFO L87 Difference]: Start difference. First operand 314 states and 443 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:55:40,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:55:40,184 INFO L93 Difference]: Finished difference Result 321 states and 449 transitions. [2024-11-09 11:55:40,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:55:40,185 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 88 [2024-11-09 11:55:40,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:55:40,186 INFO L225 Difference]: With dead ends: 321 [2024-11-09 11:55:40,186 INFO L226 Difference]: Without dead ends: 319 [2024-11-09 11:55:40,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:55:40,187 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 25 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:55:40,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 124 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:55:40,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-09 11:55:40,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 317. [2024-11-09 11:55:40,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 256 states have (on average 1.40625) internal successors, (360), 272 states have internal predecessors, (360), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-09 11:55:40,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 444 transitions. [2024-11-09 11:55:40,221 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 444 transitions. Word has length 88 [2024-11-09 11:55:40,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:55:40,222 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 444 transitions. [2024-11-09 11:55:40,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:55:40,222 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 444 transitions. [2024-11-09 11:55:40,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 11:55:40,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:55:40,223 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:55:40,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 11:55:40,423 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,SelfDestructingSolverStorable15 [2024-11-09 11:55:40,423 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:55:40,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:55:40,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1843501158, now seen corresponding path program 1 times [2024-11-09 11:55:40,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:55:40,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608158428] [2024-11-09 11:55:40,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:40,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:55:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:55:40,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [681158432] [2024-11-09 11:55:40,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:40,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:55:40,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:55:40,456 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) [2024-11-09 11:55:40,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:55:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:40,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 11:55:40,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:55:41,076 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-09 11:55:41,077 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:55:41,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:55:41,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608158428] [2024-11-09 11:55:41,525 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:55:41,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681158432] [2024-11-09 11:55:41,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681158432] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:55:41,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:55:41,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:55:41,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634950640] [2024-11-09 11:55:41,526 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:55:41,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:55:41,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:55:41,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:55:41,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:55:41,527 INFO L87 Difference]: Start difference. First operand 317 states and 444 transitions. Second operand has 12 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-09 11:55:42,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:55:42,075 INFO L93 Difference]: Finished difference Result 394 states and 547 transitions. [2024-11-09 11:55:42,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 11:55:42,076 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 90 [2024-11-09 11:55:42,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:55:42,078 INFO L225 Difference]: With dead ends: 394 [2024-11-09 11:55:42,078 INFO L226 Difference]: Without dead ends: 393 [2024-11-09 11:55:42,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:55:42,078 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 113 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:55:42,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 290 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:55:42,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-09 11:55:42,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 366. [2024-11-09 11:55:42,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 299 states have (on average 1.3812709030100334) internal successors, (413), 315 states have internal predecessors, (413), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-09 11:55:42,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 509 transitions. [2024-11-09 11:55:42,118 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 509 transitions. Word has length 90 [2024-11-09 11:55:42,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:55:42,118 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 509 transitions. [2024-11-09 11:55:42,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-09 11:55:42,119 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 509 transitions. [2024-11-09 11:55:42,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-09 11:55:42,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:55:42,120 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:55:42,136 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 11:55:42,322 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,SelfDestructingSolverStorable16 [2024-11-09 11:55:42,323 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:55:42,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:55:42,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1313960969, now seen corresponding path program 1 times [2024-11-09 11:55:42,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:55:42,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658732123] [2024-11-09 11:55:42,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:42,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:55:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:55:42,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1709913494] [2024-11-09 11:55:42,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:42,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:55:42,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:55:42,354 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) [2024-11-09 11:55:42,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:55:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:42,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 11:55:42,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:55:42,944 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-09 11:55:42,945 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:55:43,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:55:43,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658732123] [2024-11-09 11:55:43,265 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:55:43,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709913494] [2024-11-09 11:55:43,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709913494] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:55:43,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:55:43,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:55:43,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809654392] [2024-11-09 11:55:43,265 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:55:43,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:55:43,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:55:43,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:55:43,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:55:43,266 INFO L87 Difference]: Start difference. First operand 366 states and 509 transitions. Second operand has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-09 11:55:43,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:55:43,780 INFO L93 Difference]: Finished difference Result 429 states and 596 transitions. [2024-11-09 11:55:43,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:55:43,781 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 91 [2024-11-09 11:55:43,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:55:43,783 INFO L225 Difference]: With dead ends: 429 [2024-11-09 11:55:43,783 INFO L226 Difference]: Without dead ends: 428 [2024-11-09 11:55:43,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:55:43,784 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 96 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:55:43,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 303 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:55:43,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-11-09 11:55:43,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 415. [2024-11-09 11:55:43,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 342 states have (on average 1.3567251461988303) internal successors, (464), 358 states have internal predecessors, (464), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-09 11:55:43,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 572 transitions. [2024-11-09 11:55:43,827 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 572 transitions. Word has length 91 [2024-11-09 11:55:43,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:55:43,827 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 572 transitions. [2024-11-09 11:55:43,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-09 11:55:43,828 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 572 transitions. [2024-11-09 11:55:43,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 11:55:43,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:55:43,828 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:55:43,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 11:55:44,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 11:55:44,029 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:55:44,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:55:44,030 INFO L85 PathProgramCache]: Analyzing trace with hash -2078084292, now seen corresponding path program 1 times [2024-11-09 11:55:44,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:55:44,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034408970] [2024-11-09 11:55:44,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:44,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:55:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:44,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:55:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:44,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:55:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:44,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:55:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:44,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:55:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:44,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:55:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:44,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:55:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:44,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 11:55:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:44,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 11:55:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:44,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:55:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:44,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 11:55:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:44,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 11:55:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:44,120 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-11-09 11:55:44,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:55:44,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034408970] [2024-11-09 11:55:44,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034408970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:55:44,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:55:44,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:55:44,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020224604] [2024-11-09 11:55:44,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:55:44,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:55:44,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:55:44,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:55:44,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:55:44,122 INFO L87 Difference]: Start difference. First operand 415 states and 572 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-09 11:55:44,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:55:44,345 INFO L93 Difference]: Finished difference Result 415 states and 572 transitions. [2024-11-09 11:55:44,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:55:44,345 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 92 [2024-11-09 11:55:44,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:55:44,347 INFO L225 Difference]: With dead ends: 415 [2024-11-09 11:55:44,347 INFO L226 Difference]: Without dead ends: 414 [2024-11-09 11:55:44,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:55:44,348 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 71 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:55:44,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 116 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:55:44,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-09 11:55:44,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 402. [2024-11-09 11:55:44,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 330 states have (on average 1.3272727272727274) internal successors, (438), 345 states have internal predecessors, (438), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-09 11:55:44,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 546 transitions. [2024-11-09 11:55:44,419 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 546 transitions. Word has length 92 [2024-11-09 11:55:44,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:55:44,420 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 546 transitions. [2024-11-09 11:55:44,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-09 11:55:44,420 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 546 transitions. [2024-11-09 11:55:44,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 11:55:44,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:55:44,422 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:55:44,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 11:55:44,422 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:55:44,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:55:44,423 INFO L85 PathProgramCache]: Analyzing trace with hash 3896473, now seen corresponding path program 1 times [2024-11-09 11:55:44,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:55:44,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687089276] [2024-11-09 11:55:44,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:44,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:55:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:55:44,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [961167466] [2024-11-09 11:55:44,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:44,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:55:44,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:55:44,453 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:55:44,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:55:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:55:44,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 11:55:44,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:55:45,266 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-09 11:55:45,267 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:55:47,268 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-09 11:55:47,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:55:47,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687089276] [2024-11-09 11:55:47,268 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:55:47,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961167466] [2024-11-09 11:55:47,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961167466] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:55:47,268 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:55:47,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 22 [2024-11-09 11:55:47,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068074965] [2024-11-09 11:55:47,269 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:55:47,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 11:55:47,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:55:47,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 11:55:47,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=384, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:55:47,271 INFO L87 Difference]: Start difference. First operand 402 states and 546 transitions. Second operand has 23 states, 22 states have (on average 3.772727272727273) internal successors, (83), 23 states have internal predecessors, (83), 8 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) [2024-11-09 11:55:52,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:55:52,273 INFO L93 Difference]: Finished difference Result 564 states and 764 transitions. [2024-11-09 11:55:52,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-09 11:55:52,274 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 3.772727272727273) internal successors, (83), 23 states have internal predecessors, (83), 8 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) Word has length 93 [2024-11-09 11:55:52,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:55:52,276 INFO L225 Difference]: With dead ends: 564 [2024-11-09 11:55:52,276 INFO L226 Difference]: Without dead ends: 444 [2024-11-09 11:55:52,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=566, Invalid=1786, Unknown=0, NotChecked=0, Total=2352 [2024-11-09 11:55:52,280 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 349 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 1015 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:55:52,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 341 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1015 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-09 11:55:52,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-11-09 11:55:52,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 400. [2024-11-09 11:55:52,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 332 states have (on average 1.322289156626506) internal successors, (439), 347 states have internal predecessors, (439), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-09 11:55:52,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 539 transitions. [2024-11-09 11:55:52,328 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 539 transitions. Word has length 93 [2024-11-09 11:55:52,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:55:52,328 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 539 transitions. [2024-11-09 11:55:52,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 3.772727272727273) internal successors, (83), 23 states have internal predecessors, (83), 8 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) [2024-11-09 11:55:52,329 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 539 transitions. [2024-11-09 11:55:52,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 11:55:52,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:55:52,329 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:55:52,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 11:55:52,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:55:52,534 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:55:52,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:55:52,535 INFO L85 PathProgramCache]: Analyzing trace with hash 2083569129, now seen corresponding path program 3 times [2024-11-09 11:55:52,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:55:52,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73658004] [2024-11-09 11:55:52,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:55:52,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:55:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:55:52,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1213295142] [2024-11-09 11:55:52,555 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:55:52,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:55:52,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:55:52,557 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:55:52,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 11:55:52,607 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-09 11:55:52,607 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:55:52,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 11:55:52,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:55:53,627 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 26 proven. 35 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-11-09 11:55:53,627 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:55:53,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:55:53,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73658004] [2024-11-09 11:55:53,812 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:55:53,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213295142] [2024-11-09 11:55:53,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213295142] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:55:53,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:55:53,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:55:53,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710753016] [2024-11-09 11:55:53,813 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:55:53,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:55:53,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:55:53,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:55:53,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=196, Unknown=2, NotChecked=0, Total=240 [2024-11-09 11:55:53,815 INFO L87 Difference]: Start difference. First operand 400 states and 539 transitions. Second operand has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 10 states have internal predecessors, (32), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-09 11:55:55,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:56:01,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:56:03,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:03,772 INFO L93 Difference]: Finished difference Result 431 states and 576 transitions. [2024-11-09 11:56:03,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 11:56:03,773 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 10 states have internal predecessors, (32), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 101 [2024-11-09 11:56:03,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:03,775 INFO L225 Difference]: With dead ends: 431 [2024-11-09 11:56:03,775 INFO L226 Difference]: Without dead ends: 427 [2024-11-09 11:56:03,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=130, Invalid=414, Unknown=8, NotChecked=0, Total=552 [2024-11-09 11:56:03,776 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 222 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 53 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:03,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 250 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 539 Invalid, 2 Unknown, 0 Unchecked, 3.1s Time] [2024-11-09 11:56:03,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-09 11:56:03,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 395. [2024-11-09 11:56:03,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 330 states have (on average 1.2878787878787878) internal successors, (425), 342 states have internal predecessors, (425), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-09 11:56:03,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 525 transitions. [2024-11-09 11:56:03,834 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 525 transitions. Word has length 101 [2024-11-09 11:56:03,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:03,834 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 525 transitions. [2024-11-09 11:56:03,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 10 states have internal predecessors, (32), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-09 11:56:03,835 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 525 transitions. [2024-11-09 11:56:03,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 11:56:03,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:03,836 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:03,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 11:56:04,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-09 11:56:04,041 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:04,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:04,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1599808360, now seen corresponding path program 1 times [2024-11-09 11:56:04,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:04,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433538055] [2024-11-09 11:56:04,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:04,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:04,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [259026600] [2024-11-09 11:56:04,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:04,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:04,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:04,069 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:04,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 11:56:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:04,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:56:04,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:04,496 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-09 11:56:04,496 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:04,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:04,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433538055] [2024-11-09 11:56:04,946 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:04,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259026600] [2024-11-09 11:56:04,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259026600] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:04,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:04,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:56:04,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787549573] [2024-11-09 11:56:04,947 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:04,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:56:04,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:04,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:56:04,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:56:04,948 INFO L87 Difference]: Start difference. First operand 395 states and 525 transitions. Second operand has 9 states, 8 states have (on average 6.0) internal successors, (48), 9 states have internal predecessors, (48), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-09 11:56:05,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:05,267 INFO L93 Difference]: Finished difference Result 400 states and 532 transitions. [2024-11-09 11:56:05,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:56:05,270 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 9 states have internal predecessors, (48), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 107 [2024-11-09 11:56:05,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:05,272 INFO L225 Difference]: With dead ends: 400 [2024-11-09 11:56:05,273 INFO L226 Difference]: Without dead ends: 399 [2024-11-09 11:56:05,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:56:05,274 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 30 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:05,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 210 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:56:05,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-09 11:56:05,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 396. [2024-11-09 11:56:05,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 331 states have (on average 1.2870090634441087) internal successors, (426), 343 states have internal predecessors, (426), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-09 11:56:05,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 526 transitions. [2024-11-09 11:56:05,330 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 526 transitions. Word has length 107 [2024-11-09 11:56:05,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:05,330 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 526 transitions. [2024-11-09 11:56:05,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 9 states have internal predecessors, (48), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-09 11:56:05,330 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 526 transitions. [2024-11-09 11:56:05,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 11:56:05,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:05,332 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:05,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 11:56:05,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:05,533 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:05,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:05,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1945548517, now seen corresponding path program 1 times [2024-11-09 11:56:05,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:05,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288554737] [2024-11-09 11:56:05,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:05,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:05,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1374513988] [2024-11-09 11:56:05,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:05,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:05,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:05,559 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:05,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 11:56:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:05,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 11:56:05,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:06,122 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-09 11:56:06,122 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:07,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:07,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288554737] [2024-11-09 11:56:07,201 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:07,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374513988] [2024-11-09 11:56:07,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374513988] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:07,201 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:07,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-09 11:56:07,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017318393] [2024-11-09 11:56:07,201 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:07,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:56:07,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:07,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:56:07,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:56:07,202 INFO L87 Difference]: Start difference. First operand 396 states and 526 transitions. Second operand has 13 states, 12 states have (on average 4.333333333333333) internal successors, (52), 13 states have internal predecessors, (52), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-09 11:56:07,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:07,698 INFO L93 Difference]: Finished difference Result 668 states and 905 transitions. [2024-11-09 11:56:07,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 11:56:07,698 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.333333333333333) internal successors, (52), 13 states have internal predecessors, (52), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) Word has length 108 [2024-11-09 11:56:07,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:07,700 INFO L225 Difference]: With dead ends: 668 [2024-11-09 11:56:07,701 INFO L226 Difference]: Without dead ends: 417 [2024-11-09 11:56:07,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=178, Invalid=524, Unknown=0, NotChecked=0, Total=702 [2024-11-09 11:56:07,702 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 94 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:07,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 405 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:56:07,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-09 11:56:07,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 411. [2024-11-09 11:56:07,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 342 states have (on average 1.3011695906432748) internal successors, (445), 354 states have internal predecessors, (445), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-09 11:56:07,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 553 transitions. [2024-11-09 11:56:07,758 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 553 transitions. Word has length 108 [2024-11-09 11:56:07,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:07,758 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 553 transitions. [2024-11-09 11:56:07,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.333333333333333) internal successors, (52), 13 states have internal predecessors, (52), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-09 11:56:07,759 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 553 transitions. [2024-11-09 11:56:07,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 11:56:07,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:07,760 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:07,777 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 11:56:07,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:07,960 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:07,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:07,961 INFO L85 PathProgramCache]: Analyzing trace with hash 182462010, now seen corresponding path program 1 times [2024-11-09 11:56:07,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:07,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524923830] [2024-11-09 11:56:07,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:07,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:56:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:56:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:56:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:56:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:56:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 11:56:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 11:56:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:56:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 11:56:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 11:56:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 11:56:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 11:56:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,067 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-11-09 11:56:08,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:08,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524923830] [2024-11-09 11:56:08,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524923830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:08,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:08,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:56:08,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638721381] [2024-11-09 11:56:08,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:08,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:56:08,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:08,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:56:08,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:56:08,069 INFO L87 Difference]: Start difference. First operand 411 states and 553 transitions. Second operand has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 11:56:08,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:08,508 INFO L93 Difference]: Finished difference Result 411 states and 553 transitions. [2024-11-09 11:56:08,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:56:08,509 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 109 [2024-11-09 11:56:08,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:08,510 INFO L225 Difference]: With dead ends: 411 [2024-11-09 11:56:08,510 INFO L226 Difference]: Without dead ends: 410 [2024-11-09 11:56:08,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:56:08,511 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 43 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:08,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 146 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:56:08,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-11-09 11:56:08,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2024-11-09 11:56:08,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 342 states have (on average 1.2982456140350878) internal successors, (444), 353 states have internal predecessors, (444), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-09 11:56:08,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 552 transitions. [2024-11-09 11:56:08,565 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 552 transitions. Word has length 109 [2024-11-09 11:56:08,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:08,565 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 552 transitions. [2024-11-09 11:56:08,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 11:56:08,565 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 552 transitions. [2024-11-09 11:56:08,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 11:56:08,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:08,567 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:08,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 11:56:08,567 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:08,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:08,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1739425004, now seen corresponding path program 1 times [2024-11-09 11:56:08,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:08,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113870825] [2024-11-09 11:56:08,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:08,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:56:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:56:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:56:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:56:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:56:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 11:56:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 11:56:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:56:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 11:56:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 11:56:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 11:56:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 11:56:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 11:56:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 11:56:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,696 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-09 11:56:08,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:08,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113870825] [2024-11-09 11:56:08,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113870825] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:08,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858294727] [2024-11-09 11:56:08,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:08,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:08,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:08,699 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:08,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 11:56:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:08,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:56:08,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:08,811 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-09 11:56:08,812 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:08,928 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-09 11:56:08,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858294727] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:56:08,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:56:08,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-09 11:56:08,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418860711] [2024-11-09 11:56:08,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:08,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:56:08,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:08,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:56:08,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:56:08,930 INFO L87 Difference]: Start difference. First operand 410 states and 552 transitions. Second operand has 11 states, 10 states have (on average 8.4) internal successors, (84), 11 states have internal predecessors, (84), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-09 11:56:09,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:09,197 INFO L93 Difference]: Finished difference Result 727 states and 962 transitions. [2024-11-09 11:56:09,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:56:09,197 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.4) internal successors, (84), 11 states have internal predecessors, (84), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 111 [2024-11-09 11:56:09,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:09,201 INFO L225 Difference]: With dead ends: 727 [2024-11-09 11:56:09,201 INFO L226 Difference]: Without dead ends: 725 [2024-11-09 11:56:09,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:56:09,202 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 257 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:09,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 325 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:56:09,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2024-11-09 11:56:09,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 484. [2024-11-09 11:56:09,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 402 states have (on average 1.271144278606965) internal successors, (511), 413 states have internal predecessors, (511), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-09 11:56:09,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 647 transitions. [2024-11-09 11:56:09,276 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 647 transitions. Word has length 111 [2024-11-09 11:56:09,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:09,277 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 647 transitions. [2024-11-09 11:56:09,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.4) internal successors, (84), 11 states have internal predecessors, (84), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-09 11:56:09,277 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 647 transitions. [2024-11-09 11:56:09,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-09 11:56:09,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:09,278 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:09,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-09 11:56:09,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-09 11:56:09,479 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:09,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:09,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1361355143, now seen corresponding path program 1 times [2024-11-09 11:56:09,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:09,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783708502] [2024-11-09 11:56:09,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:09,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:09,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [867937376] [2024-11-09 11:56:09,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:09,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:09,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:09,502 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:09,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 11:56:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:09,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 11:56:09,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:10,019 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-09 11:56:10,019 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:11,982 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-09 11:56:11,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:11,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783708502] [2024-11-09 11:56:11,982 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:11,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867937376] [2024-11-09 11:56:11,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867937376] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:56:11,983 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:56:11,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 19 [2024-11-09 11:56:11,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806977893] [2024-11-09 11:56:11,983 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:11,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 11:56:11,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:11,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 11:56:11,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2024-11-09 11:56:11,985 INFO L87 Difference]: Start difference. First operand 484 states and 647 transitions. Second operand has 20 states, 19 states have (on average 5.105263157894737) internal successors, (97), 20 states have internal predecessors, (97), 10 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-09 11:56:14,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:14,477 INFO L93 Difference]: Finished difference Result 529 states and 703 transitions. [2024-11-09 11:56:14,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 11:56:14,478 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.105263157894737) internal successors, (97), 20 states have internal predecessors, (97), 10 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) Word has length 110 [2024-11-09 11:56:14,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:14,479 INFO L225 Difference]: With dead ends: 529 [2024-11-09 11:56:14,480 INFO L226 Difference]: Without dead ends: 522 [2024-11-09 11:56:14,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=269, Invalid=787, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 11:56:14,480 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 117 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:14,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 326 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-09 11:56:14,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-09 11:56:14,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 481. [2024-11-09 11:56:14,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 399 states have (on average 1.2606516290726817) internal successors, (503), 410 states have internal predecessors, (503), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-09 11:56:14,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 639 transitions. [2024-11-09 11:56:14,558 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 639 transitions. Word has length 110 [2024-11-09 11:56:14,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:14,558 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 639 transitions. [2024-11-09 11:56:14,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.105263157894737) internal successors, (97), 20 states have internal predecessors, (97), 10 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-09 11:56:14,559 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 639 transitions. [2024-11-09 11:56:14,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 11:56:14,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:14,561 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:14,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-09 11:56:14,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-09 11:56:14,761 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:14,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:14,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1971728133, now seen corresponding path program 2 times [2024-11-09 11:56:14,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:14,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503158880] [2024-11-09 11:56:14,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:14,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:14,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [970395672] [2024-11-09 11:56:14,786 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:56:14,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:14,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:14,789 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:14,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 11:56:14,857 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:56:14,858 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:56:14,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:56:14,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:15,012 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-09 11:56:15,013 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:19,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:19,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503158880] [2024-11-09 11:56:19,709 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:19,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970395672] [2024-11-09 11:56:19,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970395672] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:19,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:19,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 11:56:19,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786793870] [2024-11-09 11:56:19,710 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:19,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:56:19,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:19,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:56:19,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=55, Unknown=1, NotChecked=0, Total=90 [2024-11-09 11:56:19,711 INFO L87 Difference]: Start difference. First operand 481 states and 639 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-09 11:56:19,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:19,995 INFO L93 Difference]: Finished difference Result 544 states and 730 transitions. [2024-11-09 11:56:19,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:56:19,995 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 113 [2024-11-09 11:56:19,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:19,997 INFO L225 Difference]: With dead ends: 544 [2024-11-09 11:56:19,997 INFO L226 Difference]: Without dead ends: 542 [2024-11-09 11:56:19,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=52, Invalid=79, Unknown=1, NotChecked=0, Total=132 [2024-11-09 11:56:19,998 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 74 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:19,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 206 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:56:19,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-11-09 11:56:20,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 479. [2024-11-09 11:56:20,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 399 states have (on average 1.1979949874686717) internal successors, (478), 408 states have internal predecessors, (478), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-09 11:56:20,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 614 transitions. [2024-11-09 11:56:20,082 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 614 transitions. Word has length 113 [2024-11-09 11:56:20,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:20,082 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 614 transitions. [2024-11-09 11:56:20,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-09 11:56:20,083 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 614 transitions. [2024-11-09 11:56:20,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 11:56:20,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:20,085 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2024-11-09 11:56:20,103 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-09 11:56:20,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-09 11:56:20,286 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:20,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:20,286 INFO L85 PathProgramCache]: Analyzing trace with hash 788298852, now seen corresponding path program 1 times [2024-11-09 11:56:20,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:20,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993865892] [2024-11-09 11:56:20,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:20,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:20,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:56:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:20,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:56:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:20,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:56:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:20,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:56:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:20,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:56:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:20,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:20,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 11:56:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:20,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 11:56:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:20,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 11:56:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:20,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 11:56:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:20,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 11:56:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:20,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 11:56:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:20,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 11:56:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:20,537 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-11-09 11:56:20,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:20,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993865892] [2024-11-09 11:56:20,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993865892] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:20,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120956515] [2024-11-09 11:56:20,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:20,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:20,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:20,539 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:20,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 11:56:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:20,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:56:20,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:20,661 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-09 11:56:20,661 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:20,787 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-09 11:56:20,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120956515] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:56:20,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:56:20,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2024-11-09 11:56:20,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162233408] [2024-11-09 11:56:20,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:20,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:56:20,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:20,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:56:20,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:56:20,789 INFO L87 Difference]: Start difference. First operand 479 states and 614 transitions. Second operand has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 12 states have internal predecessors, (113), 7 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) [2024-11-09 11:56:21,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:21,552 INFO L93 Difference]: Finished difference Result 843 states and 1104 transitions. [2024-11-09 11:56:21,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 11:56:21,553 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 12 states have internal predecessors, (113), 7 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) Word has length 113 [2024-11-09 11:56:21,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:21,556 INFO L225 Difference]: With dead ends: 843 [2024-11-09 11:56:21,556 INFO L226 Difference]: Without dead ends: 708 [2024-11-09 11:56:21,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:56:21,557 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 173 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:21,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 497 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:56:21,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2024-11-09 11:56:21,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 474. [2024-11-09 11:56:21,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 394 states have (on average 1.2258883248730965) internal successors, (483), 403 states have internal predecessors, (483), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-09 11:56:21,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 619 transitions. [2024-11-09 11:56:21,615 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 619 transitions. Word has length 113 [2024-11-09 11:56:21,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:21,615 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 619 transitions. [2024-11-09 11:56:21,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 12 states have internal predecessors, (113), 7 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) [2024-11-09 11:56:21,616 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 619 transitions. [2024-11-09 11:56:21,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 11:56:21,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:21,617 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:21,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-09 11:56:21,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:21,821 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:21,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:21,821 INFO L85 PathProgramCache]: Analyzing trace with hash -994029898, now seen corresponding path program 2 times [2024-11-09 11:56:21,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:21,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459087358] [2024-11-09 11:56:21,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:21,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:21,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2099878655] [2024-11-09 11:56:21,844 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:56:21,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:21,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:21,846 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:21,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-09 11:56:21,947 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:56:21,947 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:56:21,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 11:56:21,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:22,453 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-09 11:56:22,453 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:22,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:22,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459087358] [2024-11-09 11:56:22,682 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:22,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099878655] [2024-11-09 11:56:22,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099878655] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:22,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:22,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-09 11:56:22,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522761916] [2024-11-09 11:56:22,682 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:22,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:56:22,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:22,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:56:22,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:56:22,683 INFO L87 Difference]: Start difference. First operand 474 states and 619 transitions. Second operand has 14 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-09 11:56:23,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:23,131 INFO L93 Difference]: Finished difference Result 512 states and 668 transitions. [2024-11-09 11:56:23,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 11:56:23,131 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 114 [2024-11-09 11:56:23,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:23,134 INFO L225 Difference]: With dead ends: 512 [2024-11-09 11:56:23,134 INFO L226 Difference]: Without dead ends: 511 [2024-11-09 11:56:23,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:56:23,135 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 88 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:23,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 269 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:56:23,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-11-09 11:56:23,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 499. [2024-11-09 11:56:23,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 415 states have (on average 1.219277108433735) internal successors, (506), 424 states have internal predecessors, (506), 72 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-09 11:56:23,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 650 transitions. [2024-11-09 11:56:23,210 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 650 transitions. Word has length 114 [2024-11-09 11:56:23,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:23,210 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 650 transitions. [2024-11-09 11:56:23,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-09 11:56:23,210 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 650 transitions. [2024-11-09 11:56:23,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 11:56:23,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:23,212 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:23,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-09 11:56:23,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-09 11:56:23,412 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:23,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:23,413 INFO L85 PathProgramCache]: Analyzing trace with hash 33416471, now seen corresponding path program 3 times [2024-11-09 11:56:23,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:23,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705830648] [2024-11-09 11:56:23,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:23,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:23,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1290234244] [2024-11-09 11:56:23,433 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:56:23,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:23,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:23,435 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:23,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-09 11:56:23,494 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 11:56:23,494 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:56:23,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 11:56:23,498 INFO L278 TraceCheckSpWp]: Computing forward predicates...