./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound5.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/egcd-ll_valuebound5.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 3f9b33d2a8120d9ea8a3a6c5d650c2a90b549ffb583b3e9890b411aeb4530efd --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:39:59,022 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:39:59,083 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:39:59,089 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:39:59,092 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:39:59,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:39:59,108 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:39:59,109 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:39:59,109 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:39:59,110 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:39:59,110 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:39:59,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:39:59,111 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:39:59,111 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:39:59,111 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:39:59,111 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:39:59,112 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:39:59,112 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:39:59,112 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:39:59,112 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:39:59,113 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:39:59,113 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:39:59,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:39:59,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:39:59,114 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:39:59,114 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:39:59,114 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:39:59,114 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:39:59,115 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:39:59,115 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:39:59,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:39:59,116 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:39:59,116 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:39:59,116 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:39:59,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:39:59,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:39:59,117 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:39:59,117 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:39:59,117 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:39:59,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:39:59,117 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:39:59,118 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:39:59,118 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:39:59,118 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:39:59,118 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f9b33d2a8120d9ea8a3a6c5d650c2a90b549ffb583b3e9890b411aeb4530efd [2024-11-09 11:39:59,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:39:59,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:39:59,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:39:59,405 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:39:59,407 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:39:59,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound5.c [2024-11-09 11:40:00,877 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:40:01,049 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:40:01,050 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound5.c [2024-11-09 11:40:01,057 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d666c416/bc5e88a14095419da612e336777bb8d6/FLAGd1f5bc8bc [2024-11-09 11:40:01,455 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d666c416/bc5e88a14095419da612e336777bb8d6 [2024-11-09 11:40:01,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:40:01,458 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:40:01,459 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:40:01,459 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:40:01,464 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:40:01,465 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:40:01" (1/1) ... [2024-11-09 11:40:01,465 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12cd2d71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:40:01, skipping insertion in model container [2024-11-09 11:40:01,465 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:40:01" (1/1) ... [2024-11-09 11:40:01,488 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:40:01,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:40:01,685 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:40:01,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:40:01,726 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:40:01,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:40:01 WrapperNode [2024-11-09 11:40:01,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:40:01,729 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:40:01,729 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:40:01,729 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:40:01,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:40:01" (1/1) ... [2024-11-09 11:40:01,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:40:01" (1/1) ... [2024-11-09 11:40:01,758 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2024-11-09 11:40:01,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:40:01,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:40:01,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:40:01,760 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:40:01,769 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:40:01" (1/1) ... [2024-11-09 11:40:01,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:40:01" (1/1) ... [2024-11-09 11:40:01,771 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:40:01" (1/1) ... [2024-11-09 11:40:01,785 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 11:40:01,785 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:40:01" (1/1) ... [2024-11-09 11:40:01,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:40:01" (1/1) ... [2024-11-09 11:40:01,788 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:40:01" (1/1) ... [2024-11-09 11:40:01,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:40:01" (1/1) ... [2024-11-09 11:40:01,791 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:40:01" (1/1) ... [2024-11-09 11:40:01,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:40:01" (1/1) ... [2024-11-09 11:40:01,796 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:40:01,797 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:40:01,797 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:40:01,797 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:40:01,798 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:40:01" (1/1) ... [2024-11-09 11:40:01,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:40:01,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:01,924 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 11:40:01,927 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 11:40:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:40:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 11:40:01,962 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 11:40:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:40:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:40:01,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:40:01,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:40:01,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:40:02,014 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:40:02,016 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:40:02,562 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-11-09 11:40:02,563 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:40:02,577 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:40:02,577 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 11:40:02,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:40:02 BoogieIcfgContainer [2024-11-09 11:40:02,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:40:02,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:40:02,580 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:40:02,582 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:40:02,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:40:01" (1/3) ... [2024-11-09 11:40:02,583 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb8b917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:40:02, skipping insertion in model container [2024-11-09 11:40:02,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:40:01" (2/3) ... [2024-11-09 11:40:02,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb8b917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:40:02, skipping insertion in model container [2024-11-09 11:40:02,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:40:02" (3/3) ... [2024-11-09 11:40:02,586 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd-ll_valuebound5.c [2024-11-09 11:40:02,603 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:40:02,603 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2024-11-09 11:40:02,657 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:40:02,662 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;@36d351a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:40:02,663 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-09 11:40:02,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 74 states have (on average 1.837837837837838) internal successors, (136), 130 states have internal predecessors, (136), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 11:40:02,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 11:40:02,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:02,674 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:02,674 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:02,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:02,679 INFO L85 PathProgramCache]: Analyzing trace with hash -2137283996, now seen corresponding path program 1 times [2024-11-09 11:40:02,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:02,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523393600] [2024-11-09 11:40:02,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:02,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:02,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1178168538] [2024-11-09 11:40:02,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:02,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:02,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:02,791 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 11:40:02,792 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 11:40:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:02,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:40:02,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:02,916 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 11:40:02,917 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:02,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:02,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523393600] [2024-11-09 11:40:02,917 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:02,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178168538] [2024-11-09 11:40:02,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178168538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:02,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:02,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:40:02,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812661525] [2024-11-09 11:40:02,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:02,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:40:02,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:02,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:40:02,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:02,943 INFO L87 Difference]: Start difference. First operand has 144 states, 74 states have (on average 1.837837837837838) internal successors, (136), 130 states have internal predecessors, (136), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:40:03,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:03,230 INFO L93 Difference]: Finished difference Result 368 states and 460 transitions. [2024-11-09 11:40:03,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:03,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 26 [2024-11-09 11:40:03,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:03,250 INFO L225 Difference]: With dead ends: 368 [2024-11-09 11:40:03,251 INFO L226 Difference]: Without dead ends: 218 [2024-11-09 11:40:03,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 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 11:40:03,259 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 75 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:03,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 159 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:40:03,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-09 11:40:03,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 176. [2024-11-09 11:40:03,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 103 states have (on average 1.8349514563106797) internal successors, (189), 158 states have internal predecessors, (189), 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 11:40:03,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 219 transitions. [2024-11-09 11:40:03,309 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 219 transitions. Word has length 26 [2024-11-09 11:40:03,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:03,310 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 219 transitions. [2024-11-09 11:40:03,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:40:03,310 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 219 transitions. [2024-11-09 11:40:03,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 11:40:03,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:03,311 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:03,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 11:40:03,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 11:40:03,512 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:03,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:03,513 INFO L85 PathProgramCache]: Analyzing trace with hash -935551034, now seen corresponding path program 1 times [2024-11-09 11:40:03,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:03,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294705876] [2024-11-09 11:40:03,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:03,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:03,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2105809078] [2024-11-09 11:40:03,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:03,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:03,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:03,533 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 11:40:03,534 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 11:40:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:03,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:40:03,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:03,605 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 11:40:03,605 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:03,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:03,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294705876] [2024-11-09 11:40:03,605 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:03,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105809078] [2024-11-09 11:40:03,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105809078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:03,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:03,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:40:03,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879119671] [2024-11-09 11:40:03,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:03,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:40:03,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:03,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:40:03,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:03,608 INFO L87 Difference]: Start difference. First operand 176 states and 219 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:40:04,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:04,105 INFO L93 Difference]: Finished difference Result 277 states and 343 transitions. [2024-11-09 11:40:04,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:04,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 28 [2024-11-09 11:40:04,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:04,107 INFO L225 Difference]: With dead ends: 277 [2024-11-09 11:40:04,107 INFO L226 Difference]: Without dead ends: 269 [2024-11-09 11:40:04,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 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 11:40:04,109 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 84 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:04,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 206 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:40:04,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-09 11:40:04,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 229. [2024-11-09 11:40:04,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 150 states have (on average 1.7866666666666666) internal successors, (268), 205 states have internal predecessors, (268), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:40:04,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 310 transitions. [2024-11-09 11:40:04,130 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 310 transitions. Word has length 28 [2024-11-09 11:40:04,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:04,131 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 310 transitions. [2024-11-09 11:40:04,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:40:04,131 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 310 transitions. [2024-11-09 11:40:04,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 11:40:04,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:04,135 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:04,148 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 11:40:04,335 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,SelfDestructingSolverStorable1 [2024-11-09 11:40:04,336 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:04,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:04,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1416377048, now seen corresponding path program 1 times [2024-11-09 11:40:04,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:04,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754487073] [2024-11-09 11:40:04,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:04,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:04,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [201880992] [2024-11-09 11:40:04,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:04,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:04,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:04,379 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 11:40:04,380 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 11:40:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:04,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:40:04,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:04,488 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 11:40:04,488 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:04,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:04,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754487073] [2024-11-09 11:40:04,488 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:04,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201880992] [2024-11-09 11:40:04,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201880992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:04,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:04,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:40:04,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622463225] [2024-11-09 11:40:04,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:04,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:40:04,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:04,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:40:04,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:04,490 INFO L87 Difference]: Start difference. First operand 229 states and 310 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:40:04,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:04,673 INFO L93 Difference]: Finished difference Result 263 states and 329 transitions. [2024-11-09 11:40:04,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:04,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2024-11-09 11:40:04,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:04,675 INFO L225 Difference]: With dead ends: 263 [2024-11-09 11:40:04,675 INFO L226 Difference]: Without dead ends: 249 [2024-11-09 11:40:04,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 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 11:40:04,676 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 61 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:04,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 134 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:40:04,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-09 11:40:04,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 194. [2024-11-09 11:40:04,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 120 states have (on average 1.7083333333333333) internal successors, (205), 175 states have internal predecessors, (205), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 11:40:04,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 237 transitions. [2024-11-09 11:40:04,686 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 237 transitions. Word has length 30 [2024-11-09 11:40:04,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:04,686 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 237 transitions. [2024-11-09 11:40:04,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:40:04,687 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 237 transitions. [2024-11-09 11:40:04,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 11:40:04,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:04,688 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:04,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:04,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:04,889 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:04,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:04,889 INFO L85 PathProgramCache]: Analyzing trace with hash -323936951, now seen corresponding path program 1 times [2024-11-09 11:40:04,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:04,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836586028] [2024-11-09 11:40:04,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:04,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:04,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:04,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1208036564] [2024-11-09 11:40:04,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:04,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:04,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:04,921 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 11:40:04,922 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 11:40:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:04,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:40:04,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:05,002 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 11:40:05,003 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:05,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:05,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836586028] [2024-11-09 11:40:05,003 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:05,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208036564] [2024-11-09 11:40:05,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208036564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:05,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:05,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:40:05,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528633632] [2024-11-09 11:40:05,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:05,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:40:05,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:05,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:40:05,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:05,005 INFO L87 Difference]: Start difference. First operand 194 states and 237 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 11:40:05,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:05,204 INFO L93 Difference]: Finished difference Result 356 states and 456 transitions. [2024-11-09 11:40:05,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:05,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 37 [2024-11-09 11:40:05,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:05,206 INFO L225 Difference]: With dead ends: 356 [2024-11-09 11:40:05,206 INFO L226 Difference]: Without dead ends: 348 [2024-11-09 11:40:05,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 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 11:40:05,208 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 84 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:05,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 202 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:40:05,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-09 11:40:05,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 273. [2024-11-09 11:40:05,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 190 states have (on average 1.6894736842105262) internal successors, (321), 245 states have internal predecessors, (321), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:05,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 371 transitions. [2024-11-09 11:40:05,220 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 371 transitions. Word has length 37 [2024-11-09 11:40:05,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:05,221 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 371 transitions. [2024-11-09 11:40:05,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 11:40:05,221 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 371 transitions. [2024-11-09 11:40:05,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 11:40:05,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:05,222 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:05,239 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 11:40:05,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:05,423 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:05,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:05,424 INFO L85 PathProgramCache]: Analyzing trace with hash -2065762549, now seen corresponding path program 1 times [2024-11-09 11:40:05,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:05,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774058609] [2024-11-09 11:40:05,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:05,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:05,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1689030155] [2024-11-09 11:40:05,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:05,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:05,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:05,443 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 11:40:05,454 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 11:40:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:05,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:05,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:05,573 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 11:40:05,574 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:05,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:05,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774058609] [2024-11-09 11:40:05,574 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:05,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689030155] [2024-11-09 11:40:05,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689030155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:05,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:05,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:05,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989399325] [2024-11-09 11:40:05,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:05,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:05,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:05,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:05,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:05,575 INFO L87 Difference]: Start difference. First operand 273 states and 371 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 11:40:05,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:05,905 INFO L93 Difference]: Finished difference Result 326 states and 436 transitions. [2024-11-09 11:40:05,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:05,905 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 39 [2024-11-09 11:40:05,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:05,907 INFO L225 Difference]: With dead ends: 326 [2024-11-09 11:40:05,907 INFO L226 Difference]: Without dead ends: 324 [2024-11-09 11:40:05,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:05,908 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 171 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:05,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 162 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:40:05,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-09 11:40:05,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 273. [2024-11-09 11:40:05,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 190 states have (on average 1.668421052631579) internal successors, (317), 245 states have internal predecessors, (317), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:05,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 367 transitions. [2024-11-09 11:40:05,920 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 367 transitions. Word has length 39 [2024-11-09 11:40:05,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:05,920 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 367 transitions. [2024-11-09 11:40:05,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 11:40:05,921 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 367 transitions. [2024-11-09 11:40:05,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 11:40:05,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:05,921 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:05,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:06,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:06,123 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:06,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:06,123 INFO L85 PathProgramCache]: Analyzing trace with hash 385870489, now seen corresponding path program 1 times [2024-11-09 11:40:06,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:06,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851575217] [2024-11-09 11:40:06,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:06,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:06,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1064661130] [2024-11-09 11:40:06,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:06,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:06,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:06,148 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 11:40:06,152 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 11:40:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:06,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:06,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:06,240 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 11:40:06,240 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:06,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:06,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851575217] [2024-11-09 11:40:06,241 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:06,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064661130] [2024-11-09 11:40:06,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064661130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:06,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:06,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:06,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400433477] [2024-11-09 11:40:06,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:06,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:06,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:06,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:06,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:06,242 INFO L87 Difference]: Start difference. First operand 273 states and 367 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 11:40:06,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:06,472 INFO L93 Difference]: Finished difference Result 326 states and 432 transitions. [2024-11-09 11:40:06,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:06,473 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 40 [2024-11-09 11:40:06,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:06,474 INFO L225 Difference]: With dead ends: 326 [2024-11-09 11:40:06,474 INFO L226 Difference]: Without dead ends: 324 [2024-11-09 11:40:06,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:06,475 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 170 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:06,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 162 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:40:06,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-09 11:40:06,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 273. [2024-11-09 11:40:06,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 190 states have (on average 1.6473684210526316) internal successors, (313), 245 states have internal predecessors, (313), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:06,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 363 transitions. [2024-11-09 11:40:06,517 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 363 transitions. Word has length 40 [2024-11-09 11:40:06,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:06,517 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 363 transitions. [2024-11-09 11:40:06,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 11:40:06,517 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 363 transitions. [2024-11-09 11:40:06,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 11:40:06,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:06,518 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:06,535 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 11:40:06,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:06,719 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:06,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:06,720 INFO L85 PathProgramCache]: Analyzing trace with hash -922916659, now seen corresponding path program 1 times [2024-11-09 11:40:06,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:06,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310124424] [2024-11-09 11:40:06,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:06,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:06,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [454315396] [2024-11-09 11:40:06,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:06,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:06,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:06,758 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 11:40:06,760 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 11:40:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:06,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:06,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:06,824 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 11:40:06,824 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:06,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:06,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310124424] [2024-11-09 11:40:06,824 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:06,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454315396] [2024-11-09 11:40:06,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454315396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:06,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:06,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:06,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883661667] [2024-11-09 11:40:06,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:06,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:06,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:06,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:06,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:06,826 INFO L87 Difference]: Start difference. First operand 273 states and 363 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 11:40:07,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:07,479 INFO L93 Difference]: Finished difference Result 346 states and 436 transitions. [2024-11-09 11:40:07,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:07,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 41 [2024-11-09 11:40:07,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:07,481 INFO L225 Difference]: With dead ends: 346 [2024-11-09 11:40:07,481 INFO L226 Difference]: Without dead ends: 344 [2024-11-09 11:40:07,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:07,482 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 141 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:07,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 173 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:40:07,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-09 11:40:07,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 274. [2024-11-09 11:40:07,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 191 states have (on average 1.6282722513089005) internal successors, (311), 246 states have internal predecessors, (311), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:07,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 361 transitions. [2024-11-09 11:40:07,494 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 361 transitions. Word has length 41 [2024-11-09 11:40:07,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:07,494 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 361 transitions. [2024-11-09 11:40:07,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 11:40:07,495 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 361 transitions. [2024-11-09 11:40:07,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 11:40:07,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:07,495 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:07,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 11:40:07,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:07,697 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:07,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:07,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1454354715, now seen corresponding path program 1 times [2024-11-09 11:40:07,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:07,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810723050] [2024-11-09 11:40:07,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:07,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:07,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [325254352] [2024-11-09 11:40:07,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:07,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:07,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:07,729 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 11:40:07,733 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 11:40:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:07,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:07,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:07,897 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 11:40:07,897 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:07,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:07,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810723050] [2024-11-09 11:40:07,897 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:07,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325254352] [2024-11-09 11:40:07,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325254352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:07,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:07,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:07,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575848877] [2024-11-09 11:40:07,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:07,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:07,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:07,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:07,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:07,899 INFO L87 Difference]: Start difference. First operand 274 states and 361 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 11:40:08,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:08,792 INFO L93 Difference]: Finished difference Result 346 states and 432 transitions. [2024-11-09 11:40:08,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:08,792 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 42 [2024-11-09 11:40:08,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:08,794 INFO L225 Difference]: With dead ends: 346 [2024-11-09 11:40:08,794 INFO L226 Difference]: Without dead ends: 344 [2024-11-09 11:40:08,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:08,795 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 140 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:08,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 176 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 11:40:08,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-09 11:40:08,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 275. [2024-11-09 11:40:08,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 192 states have (on average 1.609375) internal successors, (309), 247 states have internal predecessors, (309), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:08,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 359 transitions. [2024-11-09 11:40:08,808 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 359 transitions. Word has length 42 [2024-11-09 11:40:08,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:08,809 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 359 transitions. [2024-11-09 11:40:08,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 11:40:08,809 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 359 transitions. [2024-11-09 11:40:08,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 11:40:08,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:08,810 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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 11:40:08,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 11:40:09,011 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,SelfDestructingSolverStorable7 [2024-11-09 11:40:09,011 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:09,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:09,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1348027140, now seen corresponding path program 1 times [2024-11-09 11:40:09,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:09,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105138162] [2024-11-09 11:40:09,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:09,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:09,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [943015453] [2024-11-09 11:40:09,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:09,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:09,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:09,043 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 11:40:09,044 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 11:40:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:09,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:09,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:09,175 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:40:09,175 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:09,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:09,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105138162] [2024-11-09 11:40:09,176 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:09,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943015453] [2024-11-09 11:40:09,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943015453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:09,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:09,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:09,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151538791] [2024-11-09 11:40:09,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:09,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:09,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:09,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:09,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:09,179 INFO L87 Difference]: Start difference. First operand 275 states and 359 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:09,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:09,493 INFO L93 Difference]: Finished difference Result 297 states and 378 transitions. [2024-11-09 11:40:09,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:09,493 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 50 [2024-11-09 11:40:09,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:09,495 INFO L225 Difference]: With dead ends: 297 [2024-11-09 11:40:09,495 INFO L226 Difference]: Without dead ends: 295 [2024-11-09 11:40:09,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:09,495 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 155 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:09,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 173 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:40:09,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-09 11:40:09,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 276. [2024-11-09 11:40:09,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 193 states have (on average 1.5958549222797926) internal successors, (308), 248 states have internal predecessors, (308), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:09,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 358 transitions. [2024-11-09 11:40:09,504 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 358 transitions. Word has length 50 [2024-11-09 11:40:09,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:09,505 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 358 transitions. [2024-11-09 11:40:09,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:09,505 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 358 transitions. [2024-11-09 11:40:09,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 11:40:09,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:09,506 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-09 11:40:09,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 11:40:09,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:09,710 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:09,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:09,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1160831701, now seen corresponding path program 1 times [2024-11-09 11:40:09,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:09,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150412730] [2024-11-09 11:40:09,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:09,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:09,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [54470277] [2024-11-09 11:40:09,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:09,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:09,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:09,723 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 11:40:09,724 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 11:40:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:09,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:09,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:09,840 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:40:09,840 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:09,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:09,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150412730] [2024-11-09 11:40:09,840 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:09,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54470277] [2024-11-09 11:40:09,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54470277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:09,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:09,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:09,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717665623] [2024-11-09 11:40:09,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:09,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:09,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:09,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:09,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:09,842 INFO L87 Difference]: Start difference. First operand 276 states and 358 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:10,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:10,078 INFO L93 Difference]: Finished difference Result 297 states and 375 transitions. [2024-11-09 11:40:10,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:10,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 51 [2024-11-09 11:40:10,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:10,080 INFO L225 Difference]: With dead ends: 297 [2024-11-09 11:40:10,080 INFO L226 Difference]: Without dead ends: 295 [2024-11-09 11:40:10,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:10,080 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 207 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:10,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 155 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:40:10,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-09 11:40:10,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 277. [2024-11-09 11:40:10,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 194 states have (on average 1.5824742268041236) internal successors, (307), 249 states have internal predecessors, (307), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:10,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 357 transitions. [2024-11-09 11:40:10,112 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 357 transitions. Word has length 51 [2024-11-09 11:40:10,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:10,113 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 357 transitions. [2024-11-09 11:40:10,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:10,114 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 357 transitions. [2024-11-09 11:40:10,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 11:40:10,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:10,114 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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 11:40:10,131 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 11:40:10,315 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,SelfDestructingSolverStorable9 [2024-11-09 11:40:10,315 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:10,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:10,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1626044446, now seen corresponding path program 1 times [2024-11-09 11:40:10,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:10,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586773949] [2024-11-09 11:40:10,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:10,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:10,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1080159767] [2024-11-09 11:40:10,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:10,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:10,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:10,345 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 11:40:10,350 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 11:40:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:10,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:10,449 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:40:10,450 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:10,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:10,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586773949] [2024-11-09 11:40:10,450 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:10,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080159767] [2024-11-09 11:40:10,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080159767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:10,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:10,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:10,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271625590] [2024-11-09 11:40:10,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:10,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:10,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:10,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:10,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:10,452 INFO L87 Difference]: Start difference. First operand 277 states and 357 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 11:40:11,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:11,167 INFO L93 Difference]: Finished difference Result 305 states and 364 transitions. [2024-11-09 11:40:11,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:11,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 52 [2024-11-09 11:40:11,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:11,168 INFO L225 Difference]: With dead ends: 305 [2024-11-09 11:40:11,168 INFO L226 Difference]: Without dead ends: 303 [2024-11-09 11:40:11,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:11,169 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 77 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:11,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 252 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:40:11,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-09 11:40:11,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 278. [2024-11-09 11:40:11,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 195 states have (on average 1.5692307692307692) internal successors, (306), 250 states have internal predecessors, (306), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:11,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 356 transitions. [2024-11-09 11:40:11,178 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 356 transitions. Word has length 52 [2024-11-09 11:40:11,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:11,178 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 356 transitions. [2024-11-09 11:40:11,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 11:40:11,179 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 356 transitions. [2024-11-09 11:40:11,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 11:40:11,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:11,179 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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 11:40:11,191 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 11:40:11,379 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,SelfDestructingSolverStorable10 [2024-11-09 11:40:11,380 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:11,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:11,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1132229641, now seen corresponding path program 1 times [2024-11-09 11:40:11,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:11,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060204213] [2024-11-09 11:40:11,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:11,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:11,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1013929702] [2024-11-09 11:40:11,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:11,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:11,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:11,393 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 11:40:11,394 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 11:40:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:11,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:11,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:11,522 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:40:11,522 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:11,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:11,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060204213] [2024-11-09 11:40:11,522 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:11,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013929702] [2024-11-09 11:40:11,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013929702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:11,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:11,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:11,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669689401] [2024-11-09 11:40:11,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:11,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:11,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:11,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:11,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:11,524 INFO L87 Difference]: Start difference. First operand 278 states and 356 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 11:40:12,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:12,791 INFO L93 Difference]: Finished difference Result 305 states and 361 transitions. [2024-11-09 11:40:12,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:12,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 53 [2024-11-09 11:40:12,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:12,793 INFO L225 Difference]: With dead ends: 305 [2024-11-09 11:40:12,793 INFO L226 Difference]: Without dead ends: 303 [2024-11-09 11:40:12,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:12,793 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 77 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:12,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 255 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 11:40:12,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-09 11:40:12,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 279. [2024-11-09 11:40:12,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 196 states have (on average 1.5561224489795917) internal successors, (305), 251 states have internal predecessors, (305), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:12,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 355 transitions. [2024-11-09 11:40:12,802 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 355 transitions. Word has length 53 [2024-11-09 11:40:12,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:12,802 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 355 transitions. [2024-11-09 11:40:12,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 11:40:12,803 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 355 transitions. [2024-11-09 11:40:12,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 11:40:12,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:12,803 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1] [2024-11-09 11:40:12,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:13,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-09 11:40:13,004 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:13,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:13,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1673162558, now seen corresponding path program 1 times [2024-11-09 11:40:13,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:13,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027183524] [2024-11-09 11:40:13,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:13,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:40:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:40:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:40:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:40:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:40:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,072 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:40:13,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:13,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027183524] [2024-11-09 11:40:13,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027183524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:13,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:13,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:40:13,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808752078] [2024-11-09 11:40:13,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:13,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:40:13,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:13,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:40:13,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:13,074 INFO L87 Difference]: Start difference. First operand 279 states and 355 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-09 11:40:13,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:13,106 INFO L93 Difference]: Finished difference Result 279 states and 355 transitions. [2024-11-09 11:40:13,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:13,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 60 [2024-11-09 11:40:13,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:13,107 INFO L225 Difference]: With dead ends: 279 [2024-11-09 11:40:13,107 INFO L226 Difference]: Without dead ends: 277 [2024-11-09 11:40:13,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 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 11:40:13,108 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 46 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:13,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 209 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:40:13,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-09 11:40:13,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2024-11-09 11:40:13,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 196 states have (on average 1.5255102040816326) internal successors, (299), 249 states have internal predecessors, (299), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:13,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 349 transitions. [2024-11-09 11:40:13,116 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 349 transitions. Word has length 60 [2024-11-09 11:40:13,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:13,117 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 349 transitions. [2024-11-09 11:40:13,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-09 11:40:13,117 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 349 transitions. [2024-11-09 11:40:13,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 11:40:13,118 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:13,118 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1] [2024-11-09 11:40:13,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 11:40:13,118 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:13,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:13,118 INFO L85 PathProgramCache]: Analyzing trace with hash 328431874, now seen corresponding path program 1 times [2024-11-09 11:40:13,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:13,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793756474] [2024-11-09 11:40:13,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:13,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:40:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:40:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:40:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:40:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:40:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,165 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:40:13,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:13,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793756474] [2024-11-09 11:40:13,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793756474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:13,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:13,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:40:13,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608302749] [2024-11-09 11:40:13,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:13,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:40:13,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:13,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:40:13,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:13,167 INFO L87 Difference]: Start difference. First operand 277 states and 349 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-09 11:40:13,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:13,195 INFO L93 Difference]: Finished difference Result 277 states and 349 transitions. [2024-11-09 11:40:13,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:13,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 61 [2024-11-09 11:40:13,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:13,196 INFO L225 Difference]: With dead ends: 277 [2024-11-09 11:40:13,196 INFO L226 Difference]: Without dead ends: 275 [2024-11-09 11:40:13,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 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 11:40:13,197 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 45 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:13,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 208 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:40:13,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-09 11:40:13,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2024-11-09 11:40:13,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 196 states have (on average 1.4846938775510203) internal successors, (291), 247 states have internal predecessors, (291), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:13,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 341 transitions. [2024-11-09 11:40:13,206 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 341 transitions. Word has length 61 [2024-11-09 11:40:13,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:13,206 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 341 transitions. [2024-11-09 11:40:13,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-09 11:40:13,207 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 341 transitions. [2024-11-09 11:40:13,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 11:40:13,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:13,207 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:13,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 11:40:13,208 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:13,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:13,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1591481438, now seen corresponding path program 1 times [2024-11-09 11:40:13,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:13,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225937560] [2024-11-09 11:40:13,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:13,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:40:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:40:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:40:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:40:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:40:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,327 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:40:13,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:13,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225937560] [2024-11-09 11:40:13,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225937560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:13,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:13,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:40:13,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151049776] [2024-11-09 11:40:13,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:13,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:40:13,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:13,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:40:13,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:40:13,331 INFO L87 Difference]: Start difference. First operand 275 states and 341 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 11:40:13,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:13,900 INFO L93 Difference]: Finished difference Result 278 states and 344 transitions. [2024-11-09 11:40:13,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:40:13,901 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 62 [2024-11-09 11:40:13,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:13,902 INFO L225 Difference]: With dead ends: 278 [2024-11-09 11:40:13,902 INFO L226 Difference]: Without dead ends: 277 [2024-11-09 11:40:13,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:40:13,904 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 277 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:13,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 163 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:40:13,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-09 11:40:13,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2024-11-09 11:40:13,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 198 states have (on average 1.47979797979798) internal successors, (293), 249 states have internal predecessors, (293), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:13,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 343 transitions. [2024-11-09 11:40:13,915 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 343 transitions. Word has length 62 [2024-11-09 11:40:13,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:13,915 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 343 transitions. [2024-11-09 11:40:13,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 11:40:13,916 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 343 transitions. [2024-11-09 11:40:13,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 11:40:13,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:13,918 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:13,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 11:40:13,918 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:13,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:13,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1591495340, now seen corresponding path program 1 times [2024-11-09 11:40:13,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:13,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664740155] [2024-11-09 11:40:13,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:13,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:14,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:14,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:40:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:14,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:40:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:14,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:40:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:14,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:40:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:14,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:40:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:14,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:14,040 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:40:14,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:14,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664740155] [2024-11-09 11:40:14,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664740155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:14,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:14,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:40:14,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893994681] [2024-11-09 11:40:14,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:14,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:40:14,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:14,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:40:14,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:40:14,044 INFO L87 Difference]: Start difference. First operand 277 states and 343 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 11:40:14,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:14,507 INFO L93 Difference]: Finished difference Result 278 states and 343 transitions. [2024-11-09 11:40:14,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:40:14,508 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 62 [2024-11-09 11:40:14,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:14,509 INFO L225 Difference]: With dead ends: 278 [2024-11-09 11:40:14,509 INFO L226 Difference]: Without dead ends: 277 [2024-11-09 11:40:14,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:40:14,510 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 277 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:14,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 163 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:40:14,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-09 11:40:14,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2024-11-09 11:40:14,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 198 states have (on average 1.4747474747474747) internal successors, (292), 249 states have internal predecessors, (292), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:14,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 342 transitions. [2024-11-09 11:40:14,518 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 342 transitions. Word has length 62 [2024-11-09 11:40:14,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:14,519 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 342 transitions. [2024-11-09 11:40:14,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 11:40:14,519 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 342 transitions. [2024-11-09 11:40:14,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 11:40:14,519 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:14,519 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:14,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 11:40:14,520 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:14,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:14,520 INFO L85 PathProgramCache]: Analyzing trace with hash -320361720, now seen corresponding path program 1 times [2024-11-09 11:40:14,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:14,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161762025] [2024-11-09 11:40:14,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:14,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:14,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:14,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:40:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:14,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:40:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:14,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:40:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:14,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:40:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:14,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:40:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:14,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:14,580 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:40:14,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:14,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161762025] [2024-11-09 11:40:14,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161762025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:14,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:14,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:40:14,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901361958] [2024-11-09 11:40:14,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:14,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:40:14,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:14,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:40:14,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:14,581 INFO L87 Difference]: Start difference. First operand 277 states and 342 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:40:14,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:14,834 INFO L93 Difference]: Finished difference Result 334 states and 410 transitions. [2024-11-09 11:40:14,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:14,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 65 [2024-11-09 11:40:14,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:14,835 INFO L225 Difference]: With dead ends: 334 [2024-11-09 11:40:14,835 INFO L226 Difference]: Without dead ends: 330 [2024-11-09 11:40:14,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 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 11:40:14,836 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 43 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:14,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 148 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:40:14,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-09 11:40:14,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 287. [2024-11-09 11:40:14,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 208 states have (on average 1.4567307692307692) internal successors, (303), 259 states have internal predecessors, (303), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:14,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 353 transitions. [2024-11-09 11:40:14,845 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 353 transitions. Word has length 65 [2024-11-09 11:40:14,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:14,845 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 353 transitions. [2024-11-09 11:40:14,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:40:14,845 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 353 transitions. [2024-11-09 11:40:14,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 11:40:14,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:14,846 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:14,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 11:40:14,846 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:14,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:14,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1429265646, now seen corresponding path program 1 times [2024-11-09 11:40:14,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:14,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743610357] [2024-11-09 11:40:14,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:14,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:14,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [966494565] [2024-11-09 11:40:14,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:14,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:14,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:14,859 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 11:40:14,860 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 11:40:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:14,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:40:14,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:15,077 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:40:15,077 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:15,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:15,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743610357] [2024-11-09 11:40:15,165 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:15,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966494565] [2024-11-09 11:40:15,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966494565] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:15,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:15,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-09 11:40:15,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432017674] [2024-11-09 11:40:15,165 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:15,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:15,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:15,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:15,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:40:15,166 INFO L87 Difference]: Start difference. First operand 287 states and 353 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:40:15,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:15,511 INFO L93 Difference]: Finished difference Result 328 states and 404 transitions. [2024-11-09 11:40:15,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:15,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 68 [2024-11-09 11:40:15,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:15,513 INFO L225 Difference]: With dead ends: 328 [2024-11-09 11:40:15,513 INFO L226 Difference]: Without dead ends: 326 [2024-11-09 11:40:15,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:40:15,513 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 36 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:15,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 189 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:40:15,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-09 11:40:15,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 288. [2024-11-09 11:40:15,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 209 states have (on average 1.4497607655502391) internal successors, (303), 260 states have internal predecessors, (303), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:15,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 353 transitions. [2024-11-09 11:40:15,525 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 353 transitions. Word has length 68 [2024-11-09 11:40:15,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:15,526 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 353 transitions. [2024-11-09 11:40:15,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:40:15,526 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 353 transitions. [2024-11-09 11:40:15,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 11:40:15,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:15,526 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:15,540 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 11:40:15,730 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,SelfDestructingSolverStorable17 [2024-11-09 11:40:15,731 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:15,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:15,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1357562015, now seen corresponding path program 1 times [2024-11-09 11:40:15,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:15,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688023190] [2024-11-09 11:40:15,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:15,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:15,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1751604863] [2024-11-09 11:40:15,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:15,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:15,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:15,744 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 11:40:15,745 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 11:40:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:15,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:40:15,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:15,904 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:40:15,904 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:16,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:16,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688023190] [2024-11-09 11:40:16,204 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:16,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751604863] [2024-11-09 11:40:16,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751604863] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:16,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:16,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-09 11:40:16,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261005263] [2024-11-09 11:40:16,204 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:16,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:16,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:16,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:16,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:40:16,205 INFO L87 Difference]: Start difference. First operand 288 states and 353 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:40:16,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:16,464 INFO L93 Difference]: Finished difference Result 328 states and 402 transitions. [2024-11-09 11:40:16,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:16,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 69 [2024-11-09 11:40:16,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:16,466 INFO L225 Difference]: With dead ends: 328 [2024-11-09 11:40:16,466 INFO L226 Difference]: Without dead ends: 326 [2024-11-09 11:40:16,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:40:16,467 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 72 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:16,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 142 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:40:16,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-09 11:40:16,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 289. [2024-11-09 11:40:16,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 210 states have (on average 1.4428571428571428) internal successors, (303), 261 states have internal predecessors, (303), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:16,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 353 transitions. [2024-11-09 11:40:16,476 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 353 transitions. Word has length 69 [2024-11-09 11:40:16,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:16,476 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 353 transitions. [2024-11-09 11:40:16,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:40:16,477 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 353 transitions. [2024-11-09 11:40:16,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 11:40:16,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:16,477 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:40:16,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-09 11:40:16,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:16,678 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:16,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:16,679 INFO L85 PathProgramCache]: Analyzing trace with hash 436284631, now seen corresponding path program 1 times [2024-11-09 11:40:16,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:16,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33054956] [2024-11-09 11:40:16,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:16,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:16,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:16,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:40:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:16,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:40:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:16,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:40:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:16,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:40:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:16,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:40:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:16,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:16,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 11:40:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:16,854 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 11:40:16,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:16,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33054956] [2024-11-09 11:40:16,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33054956] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:16,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145122998] [2024-11-09 11:40:16,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:16,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:16,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:16,857 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 11:40:16,858 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 11:40:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:16,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:40:16,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:17,057 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:40:17,057 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:17,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145122998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:17,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:17,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:40:17,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380513074] [2024-11-09 11:40:17,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:17,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:17,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:17,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:17,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:40:17,058 INFO L87 Difference]: Start difference. First operand 289 states and 353 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 11:40:17,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:17,653 INFO L93 Difference]: Finished difference Result 325 states and 400 transitions. [2024-11-09 11:40:17,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:40:17,654 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 73 [2024-11-09 11:40:17,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:17,655 INFO L225 Difference]: With dead ends: 325 [2024-11-09 11:40:17,655 INFO L226 Difference]: Without dead ends: 324 [2024-11-09 11:40:17,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:40:17,656 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 62 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:17,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 137 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:40:17,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-09 11:40:17,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 290. [2024-11-09 11:40:17,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 211 states have (on average 1.4360189573459716) internal successors, (303), 262 states have internal predecessors, (303), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:17,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 353 transitions. [2024-11-09 11:40:17,666 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 353 transitions. Word has length 73 [2024-11-09 11:40:17,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:17,666 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 353 transitions. [2024-11-09 11:40:17,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 11:40:17,666 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 353 transitions. [2024-11-09 11:40:17,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 11:40:17,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:17,666 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:17,680 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 11:40:17,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:17,867 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:17,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:17,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1717877034, now seen corresponding path program 1 times [2024-11-09 11:40:17,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:17,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085998806] [2024-11-09 11:40:17,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:17,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:17,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [263949637] [2024-11-09 11:40:17,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:17,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:17,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:17,879 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 11:40:17,880 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 11:40:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:17,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:17,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:17,960 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-09 11:40:17,960 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:17,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:17,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085998806] [2024-11-09 11:40:17,960 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:17,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263949637] [2024-11-09 11:40:17,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263949637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:17,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:17,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:17,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001551117] [2024-11-09 11:40:17,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:17,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:17,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:17,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:17,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:17,962 INFO L87 Difference]: Start difference. First operand 290 states and 353 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:40:18,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:18,516 INFO L93 Difference]: Finished difference Result 341 states and 398 transitions. [2024-11-09 11:40:18,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:18,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 72 [2024-11-09 11:40:18,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:18,518 INFO L225 Difference]: With dead ends: 341 [2024-11-09 11:40:18,518 INFO L226 Difference]: Without dead ends: 340 [2024-11-09 11:40:18,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:18,519 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 110 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:18,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 171 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:40:18,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-09 11:40:18,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 290. [2024-11-09 11:40:18,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 211 states have (on average 1.4312796208530805) internal successors, (302), 262 states have internal predecessors, (302), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:18,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 352 transitions. [2024-11-09 11:40:18,532 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 352 transitions. Word has length 72 [2024-11-09 11:40:18,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:18,533 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 352 transitions. [2024-11-09 11:40:18,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:40:18,533 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 352 transitions. [2024-11-09 11:40:18,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 11:40:18,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:18,534 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:40:18,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:18,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:18,738 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:18,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:18,738 INFO L85 PathProgramCache]: Analyzing trace with hash 639921818, now seen corresponding path program 1 times [2024-11-09 11:40:18,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:18,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134408865] [2024-11-09 11:40:18,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:18,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:18,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:18,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:40:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:18,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:40:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:18,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:40:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:18,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:40:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:18,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:40:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:18,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:18,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 11:40:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:18,841 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 11:40:18,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:18,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134408865] [2024-11-09 11:40:18,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134408865] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:18,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568945121] [2024-11-09 11:40:18,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:18,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:18,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:18,844 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 11:40:18,848 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 11:40:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:18,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:40:18,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:19,028 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:40:19,028 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:19,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568945121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:19,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:19,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:40:19,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222739592] [2024-11-09 11:40:19,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:19,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:19,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:19,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:19,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:40:19,029 INFO L87 Difference]: Start difference. First operand 290 states and 352 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 11:40:19,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:19,554 INFO L93 Difference]: Finished difference Result 325 states and 397 transitions. [2024-11-09 11:40:19,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:19,556 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 74 [2024-11-09 11:40:19,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:19,558 INFO L225 Difference]: With dead ends: 325 [2024-11-09 11:40:19,558 INFO L226 Difference]: Without dead ends: 324 [2024-11-09 11:40:19,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:40:19,558 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 59 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:19,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 143 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:40:19,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-09 11:40:19,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 291. [2024-11-09 11:40:19,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 212 states have (on average 1.4245283018867925) internal successors, (302), 263 states have internal predecessors, (302), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:19,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 352 transitions. [2024-11-09 11:40:19,578 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 352 transitions. Word has length 74 [2024-11-09 11:40:19,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:19,578 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 352 transitions. [2024-11-09 11:40:19,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 11:40:19,578 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 352 transitions. [2024-11-09 11:40:19,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 11:40:19,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:19,583 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:19,599 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-09 11:40:19,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:19,784 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:19,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:19,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1714580443, now seen corresponding path program 1 times [2024-11-09 11:40:19,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:19,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059410761] [2024-11-09 11:40:19,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:19,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:19,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1081101444] [2024-11-09 11:40:19,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:19,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:19,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:19,814 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 11:40:19,819 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 11:40:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:19,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:19,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:20,027 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 11:40:20,027 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:20,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:20,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059410761] [2024-11-09 11:40:20,027 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:20,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081101444] [2024-11-09 11:40:20,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081101444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:20,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:20,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:20,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829149125] [2024-11-09 11:40:20,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:20,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:20,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:20,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:20,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:20,028 INFO L87 Difference]: Start difference. First operand 291 states and 352 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:40:21,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:21,059 INFO L93 Difference]: Finished difference Result 343 states and 395 transitions. [2024-11-09 11:40:21,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:21,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 73 [2024-11-09 11:40:21,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:21,060 INFO L225 Difference]: With dead ends: 343 [2024-11-09 11:40:21,060 INFO L226 Difference]: Without dead ends: 340 [2024-11-09 11:40:21,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:21,061 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 74 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:21,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 224 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 11:40:21,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-09 11:40:21,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 294. [2024-11-09 11:40:21,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 215 states have (on average 1.4186046511627908) internal successors, (305), 266 states have internal predecessors, (305), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:21,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 355 transitions. [2024-11-09 11:40:21,071 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 355 transitions. Word has length 73 [2024-11-09 11:40:21,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:21,071 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 355 transitions. [2024-11-09 11:40:21,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:40:21,072 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 355 transitions. [2024-11-09 11:40:21,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 11:40:21,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:21,072 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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 11:40:21,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:21,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:21,273 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:21,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:21,273 INFO L85 PathProgramCache]: Analyzing trace with hash -729712663, now seen corresponding path program 1 times [2024-11-09 11:40:21,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:21,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259179322] [2024-11-09 11:40:21,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:21,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:21,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [220329253] [2024-11-09 11:40:21,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:21,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:21,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:21,285 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 11:40:21,286 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 11:40:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:21,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 11:40:21,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:21,659 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:40:21,660 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:21,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:21,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259179322] [2024-11-09 11:40:21,783 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:21,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220329253] [2024-11-09 11:40:21,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220329253] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:21,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:21,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:40:21,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353562648] [2024-11-09 11:40:21,783 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:21,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:40:21,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:21,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:40:21,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:40:21,784 INFO L87 Difference]: Start difference. First operand 294 states and 355 transitions. Second operand has 9 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:22,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:22,553 INFO L93 Difference]: Finished difference Result 458 states and 587 transitions. [2024-11-09 11:40:22,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:40:22,553 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 79 [2024-11-09 11:40:22,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:22,555 INFO L225 Difference]: With dead ends: 458 [2024-11-09 11:40:22,555 INFO L226 Difference]: Without dead ends: 456 [2024-11-09 11:40:22,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:40:22,556 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 417 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 1065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:22,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 411 Invalid, 1065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:40:22,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-11-09 11:40:22,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 364. [2024-11-09 11:40:22,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 277 states have (on average 1.4548736462093863) internal successors, (403), 328 states have internal predecessors, (403), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-09 11:40:22,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 469 transitions. [2024-11-09 11:40:22,569 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 469 transitions. Word has length 79 [2024-11-09 11:40:22,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:22,569 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 469 transitions. [2024-11-09 11:40:22,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:22,569 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 469 transitions. [2024-11-09 11:40:22,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 11:40:22,570 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:22,570 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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 11:40:22,585 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 11:40:22,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:22,773 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:22,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:22,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1146256009, now seen corresponding path program 1 times [2024-11-09 11:40:22,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:22,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631361294] [2024-11-09 11:40:22,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:22,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:22,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:22,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1209436505] [2024-11-09 11:40:22,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:22,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:22,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:22,794 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 11:40:22,795 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 11:40:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:22,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 11:40:22,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:23,126 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:40:23,127 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:23,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:23,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631361294] [2024-11-09 11:40:23,713 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:23,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209436505] [2024-11-09 11:40:23,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209436505] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:23,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:23,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:40:23,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6599882] [2024-11-09 11:40:23,714 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:23,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:40:23,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:23,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:40:23,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:40:23,715 INFO L87 Difference]: Start difference. First operand 364 states and 469 transitions. Second operand has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:24,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:24,429 INFO L93 Difference]: Finished difference Result 478 states and 617 transitions. [2024-11-09 11:40:24,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:40:24,430 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 80 [2024-11-09 11:40:24,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:24,431 INFO L225 Difference]: With dead ends: 478 [2024-11-09 11:40:24,431 INFO L226 Difference]: Without dead ends: 471 [2024-11-09 11:40:24,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:40:24,432 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 445 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:24,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 332 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:40:24,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-09 11:40:24,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 424. [2024-11-09 11:40:24,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 331 states have (on average 1.486404833836858) internal successors, (492), 382 states have internal predecessors, (492), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-09 11:40:24,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 570 transitions. [2024-11-09 11:40:24,447 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 570 transitions. Word has length 80 [2024-11-09 11:40:24,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:24,447 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 570 transitions. [2024-11-09 11:40:24,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:24,448 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 570 transitions. [2024-11-09 11:40:24,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 11:40:24,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:24,448 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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 11:40:24,461 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 11:40:24,652 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,SelfDestructingSolverStorable24 [2024-11-09 11:40:24,652 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:24,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:24,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1174197845, now seen corresponding path program 1 times [2024-11-09 11:40:24,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:24,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557113501] [2024-11-09 11:40:24,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:24,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:24,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [327264298] [2024-11-09 11:40:24,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:24,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:24,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:24,672 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 11:40:24,677 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 11:40:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:24,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 11:40:24,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:25,055 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:40:25,056 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:25,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:25,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557113501] [2024-11-09 11:40:25,146 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:25,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327264298] [2024-11-09 11:40:25,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327264298] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:25,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:25,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:40:25,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669265722] [2024-11-09 11:40:25,147 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:25,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:40:25,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:25,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:40:25,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:40:25,148 INFO L87 Difference]: Start difference. First operand 424 states and 570 transitions. Second operand has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:25,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:25,990 INFO L93 Difference]: Finished difference Result 470 states and 603 transitions. [2024-11-09 11:40:25,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:40:25,991 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 81 [2024-11-09 11:40:25,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:25,993 INFO L225 Difference]: With dead ends: 470 [2024-11-09 11:40:25,993 INFO L226 Difference]: Without dead ends: 464 [2024-11-09 11:40:25,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:40:25,993 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 520 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 858 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:25,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 280 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 858 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:40:25,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-11-09 11:40:26,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 422. [2024-11-09 11:40:26,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 329 states have (on average 1.446808510638298) internal successors, (476), 380 states have internal predecessors, (476), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-09 11:40:26,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 554 transitions. [2024-11-09 11:40:26,010 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 554 transitions. Word has length 81 [2024-11-09 11:40:26,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:26,010 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 554 transitions. [2024-11-09 11:40:26,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:26,010 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 554 transitions. [2024-11-09 11:40:26,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 11:40:26,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:26,011 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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 11:40:26,026 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-09 11:40:26,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-09 11:40:26,212 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:26,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:26,213 INFO L85 PathProgramCache]: Analyzing trace with hash -2040394759, now seen corresponding path program 1 times [2024-11-09 11:40:26,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:26,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921725487] [2024-11-09 11:40:26,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:26,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:26,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1828874785] [2024-11-09 11:40:26,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:26,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:26,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:26,228 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:26,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-09 11:40:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:26,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 11:40:26,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:26,595 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:40:26,595 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:27,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:27,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921725487] [2024-11-09 11:40:27,100 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:27,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828874785] [2024-11-09 11:40:27,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828874785] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:27,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:27,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:40:27,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236858201] [2024-11-09 11:40:27,101 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:27,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:40:27,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:27,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:40:27,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:40:27,102 INFO L87 Difference]: Start difference. First operand 422 states and 554 transitions. Second operand has 9 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:28,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:28,276 INFO L93 Difference]: Finished difference Result 524 states and 689 transitions. [2024-11-09 11:40:28,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:40:28,277 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 82 [2024-11-09 11:40:28,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:28,279 INFO L225 Difference]: With dead ends: 524 [2024-11-09 11:40:28,279 INFO L226 Difference]: Without dead ends: 522 [2024-11-09 11:40:28,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:40:28,279 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 425 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:28,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 324 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 11:40:28,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-09 11:40:28,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 457. [2024-11-09 11:40:28,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 360 states have (on average 1.4416666666666667) internal successors, (519), 411 states have internal predecessors, (519), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-09 11:40:28,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 605 transitions. [2024-11-09 11:40:28,297 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 605 transitions. Word has length 82 [2024-11-09 11:40:28,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:28,297 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 605 transitions. [2024-11-09 11:40:28,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:28,297 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 605 transitions. [2024-11-09 11:40:28,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 11:40:28,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:28,298 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-11-09 11:40:28,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:28,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-09 11:40:28,498 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:28,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:28,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1172271981, now seen corresponding path program 1 times [2024-11-09 11:40:28,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:28,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079955470] [2024-11-09 11:40:28,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:28,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:28,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1212245513] [2024-11-09 11:40:28,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:28,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:28,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:28,518 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:28,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-09 11:40:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:28,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 11:40:28,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:29,180 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:40:29,181 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:30,123 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:40:30,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:30,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079955470] [2024-11-09 11:40:30,124 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:30,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212245513] [2024-11-09 11:40:30,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212245513] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:40:30,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:40:30,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 13 [2024-11-09 11:40:30,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081891161] [2024-11-09 11:40:30,125 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:30,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:40:30,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:30,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:40:30,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:40:30,126 INFO L87 Difference]: Start difference. First operand 457 states and 605 transitions. Second operand has 14 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-09 11:40:33,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:33,384 INFO L93 Difference]: Finished difference Result 578 states and 777 transitions. [2024-11-09 11:40:33,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 11:40:33,384 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) Word has length 83 [2024-11-09 11:40:33,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:33,386 INFO L225 Difference]: With dead ends: 578 [2024-11-09 11:40:33,386 INFO L226 Difference]: Without dead ends: 572 [2024-11-09 11:40:33,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=149, Invalid=357, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:40:33,387 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 809 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 1319 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 811 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 1415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:33,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [811 Valid, 277 Invalid, 1415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1319 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-09 11:40:33,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-11-09 11:40:33,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 530. [2024-11-09 11:40:33,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 429 states have (on average 1.4055944055944056) internal successors, (603), 479 states have internal predecessors, (603), 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 11:40:33,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 699 transitions. [2024-11-09 11:40:33,410 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 699 transitions. Word has length 83 [2024-11-09 11:40:33,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:33,410 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 699 transitions. [2024-11-09 11:40:33,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-09 11:40:33,411 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 699 transitions. [2024-11-09 11:40:33,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 11:40:33,411 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:33,411 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 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 11:40:33,424 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-09 11:40:33,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:33,616 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:33,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:33,616 INFO L85 PathProgramCache]: Analyzing trace with hash 14248968, now seen corresponding path program 1 times [2024-11-09 11:40:33,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:33,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334434800] [2024-11-09 11:40:33,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:33,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:33,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1678994129] [2024-11-09 11:40:33,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:33,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:33,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:33,634 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:33,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-09 11:40:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:33,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 11:40:33,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:33,964 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-09 11:40:33,965 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:34,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:34,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334434800] [2024-11-09 11:40:34,096 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:34,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678994129] [2024-11-09 11:40:34,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678994129] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:34,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:34,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 11:40:34,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543705676] [2024-11-09 11:40:34,096 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:34,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:40:34,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:34,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:40:34,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:40:34,097 INFO L87 Difference]: Start difference. First operand 530 states and 699 transitions. Second operand has 10 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-09 11:40:34,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:34,799 INFO L93 Difference]: Finished difference Result 666 states and 893 transitions. [2024-11-09 11:40:34,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:40:34,799 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 90 [2024-11-09 11:40:34,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:34,801 INFO L225 Difference]: With dead ends: 666 [2024-11-09 11:40:34,801 INFO L226 Difference]: Without dead ends: 664 [2024-11-09 11:40:34,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:40:34,802 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 446 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:34,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 336 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:40:34,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2024-11-09 11:40:34,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 633. [2024-11-09 11:40:34,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 633 states, 521 states have (on average 1.4299424184261036) internal successors, (745), 571 states have internal predecessors, (745), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-09 11:40:34,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 863 transitions. [2024-11-09 11:40:34,829 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 863 transitions. Word has length 90 [2024-11-09 11:40:34,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:34,830 INFO L471 AbstractCegarLoop]: Abstraction has 633 states and 863 transitions. [2024-11-09 11:40:34,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-09 11:40:34,830 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 863 transitions. [2024-11-09 11:40:34,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-09 11:40:34,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:34,831 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 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 11:40:34,843 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-09 11:40:35,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-09 11:40:35,035 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:35,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:35,035 INFO L85 PathProgramCache]: Analyzing trace with hash 441718085, now seen corresponding path program 1 times [2024-11-09 11:40:35,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:35,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983135311] [2024-11-09 11:40:35,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:35,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:35,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2146039] [2024-11-09 11:40:35,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:35,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:35,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:35,075 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:35,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-09 11:40:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:35,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 11:40:35,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:35,472 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-09 11:40:35,472 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:36,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:36,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983135311] [2024-11-09 11:40:36,229 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:36,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146039] [2024-11-09 11:40:36,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146039] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:36,230 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:36,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 11:40:36,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414388125] [2024-11-09 11:40:36,230 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:36,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:40:36,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:36,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:40:36,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:40:36,231 INFO L87 Difference]: Start difference. First operand 633 states and 863 transitions. Second operand has 10 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-09 11:40:36,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:36,956 INFO L93 Difference]: Finished difference Result 668 states and 896 transitions. [2024-11-09 11:40:36,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 11:40:36,957 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 91 [2024-11-09 11:40:36,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:36,958 INFO L225 Difference]: With dead ends: 668 [2024-11-09 11:40:36,958 INFO L226 Difference]: Without dead ends: 661 [2024-11-09 11:40:36,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=162, Invalid=390, Unknown=0, NotChecked=0, Total=552 [2024-11-09 11:40:36,959 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 438 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 1098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:36,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 309 Invalid, 1098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:40:36,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-11-09 11:40:36,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 627. [2024-11-09 11:40:36,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 521 states have (on average 1.3973128598848368) internal successors, (728), 565 states have internal predecessors, (728), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-09 11:40:36,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 846 transitions. [2024-11-09 11:40:36,987 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 846 transitions. Word has length 91 [2024-11-09 11:40:36,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:36,988 INFO L471 AbstractCegarLoop]: Abstraction has 627 states and 846 transitions. [2024-11-09 11:40:36,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-09 11:40:36,988 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 846 transitions. [2024-11-09 11:40:36,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 11:40:36,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:36,989 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 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] [2024-11-09 11:40:37,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:37,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:37,189 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:37,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:37,190 INFO L85 PathProgramCache]: Analyzing trace with hash 808358826, now seen corresponding path program 1 times [2024-11-09 11:40:37,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:37,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656275756] [2024-11-09 11:40:37,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:37,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:37,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1128390352] [2024-11-09 11:40:37,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:37,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:37,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:37,205 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:37,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-09 11:40:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:37,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:40:37,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:37,468 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-09 11:40:37,468 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:37,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:37,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656275756] [2024-11-09 11:40:37,622 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:37,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128390352] [2024-11-09 11:40:37,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128390352] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:37,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:37,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-09 11:40:37,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229757697] [2024-11-09 11:40:37,622 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:37,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:40:37,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:37,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:40:37,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:40:37,623 INFO L87 Difference]: Start difference. First operand 627 states and 846 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-09 11:40:37,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:37,902 INFO L93 Difference]: Finished difference Result 627 states and 846 transitions. [2024-11-09 11:40:37,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:40:37,903 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 92 [2024-11-09 11:40:37,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:37,905 INFO L225 Difference]: With dead ends: 627 [2024-11-09 11:40:37,905 INFO L226 Difference]: Without dead ends: 621 [2024-11-09 11:40:37,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:40:37,906 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 97 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:37,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 186 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:40:37,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2024-11-09 11:40:37,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 546. [2024-11-09 11:40:37,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 453 states have (on average 1.3311258278145695) internal successors, (603), 491 states have internal predecessors, (603), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-09 11:40:37,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 707 transitions. [2024-11-09 11:40:37,945 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 707 transitions. Word has length 92 [2024-11-09 11:40:37,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:37,945 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 707 transitions. [2024-11-09 11:40:37,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-09 11:40:37,946 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 707 transitions. [2024-11-09 11:40:37,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 11:40:37,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:37,946 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 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] [2024-11-09 11:40:37,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:38,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-09 11:40:38,151 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:38,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:38,151 INFO L85 PathProgramCache]: Analyzing trace with hash -710680089, now seen corresponding path program 1 times [2024-11-09 11:40:38,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:38,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123373016] [2024-11-09 11:40:38,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:38,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:38,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1641628687] [2024-11-09 11:40:38,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:38,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:38,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:38,167 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:38,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-09 11:40:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:38,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:40:38,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:38,423 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-09 11:40:38,423 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:39,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:39,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123373016] [2024-11-09 11:40:39,147 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:39,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641628687] [2024-11-09 11:40:39,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641628687] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:39,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:39,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-09 11:40:39,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656142570] [2024-11-09 11:40:39,148 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:39,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:40:39,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:39,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:40:39,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:40:39,148 INFO L87 Difference]: Start difference. First operand 546 states and 707 transitions. Second operand has 7 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-09 11:40:39,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:39,639 INFO L93 Difference]: Finished difference Result 651 states and 850 transitions. [2024-11-09 11:40:39,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:40:39,639 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 93 [2024-11-09 11:40:39,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:39,641 INFO L225 Difference]: With dead ends: 651 [2024-11-09 11:40:39,641 INFO L226 Difference]: Without dead ends: 649 [2024-11-09 11:40:39,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:40:39,642 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 219 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:39,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 304 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:40:39,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2024-11-09 11:40:39,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 601. [2024-11-09 11:40:39,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 502 states have (on average 1.3565737051792828) internal successors, (681), 540 states have internal predecessors, (681), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-09 11:40:39,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 797 transitions. [2024-11-09 11:40:39,674 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 797 transitions. Word has length 93 [2024-11-09 11:40:39,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:39,674 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 797 transitions. [2024-11-09 11:40:39,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-09 11:40:39,674 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 797 transitions. [2024-11-09 11:40:39,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-09 11:40:39,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:39,675 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1] [2024-11-09 11:40:39,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:39,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:39,876 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:39,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:39,876 INFO L85 PathProgramCache]: Analyzing trace with hash -556246196, now seen corresponding path program 1 times [2024-11-09 11:40:39,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:39,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4298338] [2024-11-09 11:40:39,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:39,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:39,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1883753510] [2024-11-09 11:40:39,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:39,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:39,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:39,901 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:39,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-09 11:40:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:39,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 11:40:39,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:40,310 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:40:40,310 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:41,625 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:40:41,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:41,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4298338] [2024-11-09 11:40:41,626 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:41,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883753510] [2024-11-09 11:40:41,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883753510] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:40:41,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:40:41,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-09 11:40:41,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223575338] [2024-11-09 11:40:41,626 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:41,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:40:41,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:41,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:40:41,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:40:41,627 INFO L87 Difference]: Start difference. First operand 601 states and 797 transitions. Second operand has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 12 states have internal predecessors, (101), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-09 11:40:45,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:45,168 INFO L93 Difference]: Finished difference Result 676 states and 897 transitions. [2024-11-09 11:40:45,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 11:40:45,168 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 12 states have internal predecessors, (101), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 94 [2024-11-09 11:40:45,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:45,171 INFO L225 Difference]: With dead ends: 676 [2024-11-09 11:40:45,171 INFO L226 Difference]: Without dead ends: 645 [2024-11-09 11:40:45,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2024-11-09 11:40:45,174 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 650 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 868 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:45,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 218 Invalid, 957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 868 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-09 11:40:45,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2024-11-09 11:40:45,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 624. [2024-11-09 11:40:45,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 525 states have (on average 1.361904761904762) internal successors, (715), 562 states have internal predecessors, (715), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-09 11:40:45,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 833 transitions. [2024-11-09 11:40:45,223 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 833 transitions. Word has length 94 [2024-11-09 11:40:45,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:45,224 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 833 transitions. [2024-11-09 11:40:45,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 12 states have internal predecessors, (101), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-09 11:40:45,224 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 833 transitions. [2024-11-09 11:40:45,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 11:40:45,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:45,225 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1] [2024-11-09 11:40:45,237 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-09 11:40:45,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:45,429 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:45,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:45,429 INFO L85 PathProgramCache]: Analyzing trace with hash -63762807, now seen corresponding path program 1 times [2024-11-09 11:40:45,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:45,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027576110] [2024-11-09 11:40:45,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:45,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:45,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1827478888] [2024-11-09 11:40:45,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:45,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:45,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:45,454 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:45,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-09 11:40:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:45,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 11:40:45,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:46,048 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 6 proven. 39 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:40:46,048 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:47,346 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 6 proven. 39 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:40:47,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:47,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027576110] [2024-11-09 11:40:47,346 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:47,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827478888] [2024-11-09 11:40:47,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827478888] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:40:47,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:40:47,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 18 [2024-11-09 11:40:47,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972758552] [2024-11-09 11:40:47,347 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:47,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-09 11:40:47,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:47,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-09 11:40:47,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:40:47,347 INFO L87 Difference]: Start difference. First operand 624 states and 833 transitions. Second operand has 19 states, 16 states have (on average 7.0625) internal successors, (113), 15 states have internal predecessors, (113), 10 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (17), 9 states have call predecessors, (17), 10 states have call successors, (17) [2024-11-09 11:40:52,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:52,266 INFO L93 Difference]: Finished difference Result 782 states and 1063 transitions. [2024-11-09 11:40:52,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 11:40:52,266 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 7.0625) internal successors, (113), 15 states have internal predecessors, (113), 10 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (17), 9 states have call predecessors, (17), 10 states have call successors, (17) Word has length 95 [2024-11-09 11:40:52,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:52,269 INFO L225 Difference]: With dead ends: 782 [2024-11-09 11:40:52,269 INFO L226 Difference]: Without dead ends: 780 [2024-11-09 11:40:52,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=181, Invalid=575, Unknown=0, NotChecked=0, Total=756 [2024-11-09 11:40:52,270 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 998 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 1584 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1004 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 1678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:52,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1004 Valid, 396 Invalid, 1678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1584 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-09 11:40:52,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2024-11-09 11:40:52,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 693. [2024-11-09 11:40:52,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 589 states have (on average 1.3769100169779287) internal successors, (811), 625 states have internal predecessors, (811), 65 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-09 11:40:52,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 941 transitions. [2024-11-09 11:40:52,330 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 941 transitions. Word has length 95 [2024-11-09 11:40:52,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:52,330 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 941 transitions. [2024-11-09 11:40:52,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 7.0625) internal successors, (113), 15 states have internal predecessors, (113), 10 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (17), 9 states have call predecessors, (17), 10 states have call successors, (17) [2024-11-09 11:40:52,330 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 941 transitions. [2024-11-09 11:40:52,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 11:40:52,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:52,331 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 1, 1] [2024-11-09 11:40:52,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:52,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:52,532 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:52,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:52,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1880695820, now seen corresponding path program 1 times [2024-11-09 11:40:52,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:52,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295033457] [2024-11-09 11:40:52,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:52,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:52,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:52,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:40:52,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:52,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:40:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:52,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:40:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:52,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:40:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:52,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:40:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:52,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:52,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 11:40:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:52,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 11:40:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:52,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 11:40:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:52,624 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:40:52,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:52,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295033457] [2024-11-09 11:40:52,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295033457] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:52,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553206272] [2024-11-09 11:40:52,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:52,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:52,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:52,627 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:52,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-09 11:40:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:52,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:40:52,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:52,785 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:40:52,785 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:52,893 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:40:52,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553206272] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:40:52,893 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:40:52,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-09 11:40:52,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027949289] [2024-11-09 11:40:52,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:52,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:40:52,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:52,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:40:52,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:40:52,895 INFO L87 Difference]: Start difference. First operand 693 states and 941 transitions. Second operand has 14 states, 13 states have (on average 12.76923076923077) internal successors, (166), 14 states have internal predecessors, (166), 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 11:40:53,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:53,943 INFO L93 Difference]: Finished difference Result 1027 states and 1379 transitions. [2024-11-09 11:40:53,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-09 11:40:53,943 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.76923076923077) internal successors, (166), 14 states have internal predecessors, (166), 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 104 [2024-11-09 11:40:53,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:53,946 INFO L225 Difference]: With dead ends: 1027 [2024-11-09 11:40:53,946 INFO L226 Difference]: Without dead ends: 1026 [2024-11-09 11:40:53,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 574 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=572, Invalid=1498, Unknown=0, NotChecked=0, Total=2070 [2024-11-09 11:40:53,947 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 1117 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1117 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:53,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1117 Valid, 607 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:40:53,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2024-11-09 11:40:53,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 804. [2024-11-09 11:40:53,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 688 states have (on average 1.4026162790697674) internal successors, (965), 724 states have internal predecessors, (965), 77 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-09 11:40:53,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1119 transitions. [2024-11-09 11:40:53,992 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1119 transitions. Word has length 104 [2024-11-09 11:40:53,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:53,992 INFO L471 AbstractCegarLoop]: Abstraction has 804 states and 1119 transitions. [2024-11-09 11:40:53,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.76923076923077) internal successors, (166), 14 states have internal predecessors, (166), 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 11:40:53,992 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1119 transitions. [2024-11-09 11:40:53,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 11:40:53,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:53,993 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 1, 1] [2024-11-09 11:40:54,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:54,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-09 11:40:54,197 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:54,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:54,198 INFO L85 PathProgramCache]: Analyzing trace with hash -245279220, now seen corresponding path program 1 times [2024-11-09 11:40:54,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:54,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164428285] [2024-11-09 11:40:54,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:54,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:54,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:54,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:40:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:54,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:40:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:54,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:40:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:54,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:40:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:54,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:40:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:54,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:54,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 11:40:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:54,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 11:40:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:54,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 11:40:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:54,284 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:40:54,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:54,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164428285] [2024-11-09 11:40:54,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164428285] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:54,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090159717] [2024-11-09 11:40:54,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:54,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:54,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:54,287 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:54,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-09 11:40:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:54,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:40:54,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:54,574 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:40:54,574 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:54,689 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:40:54,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090159717] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:40:54,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:40:54,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-09 11:40:54,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233105271] [2024-11-09 11:40:54,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:54,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:40:54,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:54,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:40:54,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:40:54,691 INFO L87 Difference]: Start difference. First operand 804 states and 1119 transitions. Second operand has 13 states, 12 states have (on average 13.75) internal successors, (165), 13 states have internal predecessors, (165), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-09 11:40:55,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:55,866 INFO L93 Difference]: Finished difference Result 1328 states and 1812 transitions. [2024-11-09 11:40:55,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-09 11:40:55,866 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.75) internal successors, (165), 13 states have internal predecessors, (165), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) Word has length 104 [2024-11-09 11:40:55,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:55,874 INFO L225 Difference]: With dead ends: 1328 [2024-11-09 11:40:55,874 INFO L226 Difference]: Without dead ends: 1327 [2024-11-09 11:40:55,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 11:40:55,875 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 710 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 713 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:55,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [713 Valid, 589 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 11:40:55,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2024-11-09 11:40:55,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 1023. [2024-11-09 11:40:55,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1023 states, 886 states have (on average 1.4345372460496615) internal successors, (1271), 922 states have internal predecessors, (1271), 98 states have call successors, (98), 2 states have call predecessors, (98), 2 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-09 11:40:55,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1467 transitions. [2024-11-09 11:40:55,960 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1467 transitions. Word has length 104 [2024-11-09 11:40:55,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:55,961 INFO L471 AbstractCegarLoop]: Abstraction has 1023 states and 1467 transitions. [2024-11-09 11:40:55,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.75) internal successors, (165), 13 states have internal predecessors, (165), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-09 11:40:55,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1467 transitions. [2024-11-09 11:40:55,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 11:40:55,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:55,963 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:55,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:56,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-09 11:40:56,164 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:56,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:56,164 INFO L85 PathProgramCache]: Analyzing trace with hash 986709848, now seen corresponding path program 1 times [2024-11-09 11:40:56,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:56,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752667170] [2024-11-09 11:40:56,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:56,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:56,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:56,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:40:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:56,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:40:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:56,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:40:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:56,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:40:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:56,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:40:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:56,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:56,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 11:40:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:56,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 11:40:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:56,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 11:40:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:56,255 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:40:56,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:56,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752667170] [2024-11-09 11:40:56,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752667170] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:56,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942355687] [2024-11-09 11:40:56,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:56,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:56,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:56,262 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:56,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-09 11:40:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:56,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:56,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:56,424 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:40:56,424 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:56,517 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:40:56,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942355687] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:40:56,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:40:56,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-09 11:40:56,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632867728] [2024-11-09 11:40:56,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:56,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:40:56,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:56,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:40:56,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:40:56,518 INFO L87 Difference]: Start difference. First operand 1023 states and 1467 transitions. Second operand has 8 states, 7 states have (on average 23.571428571428573) internal successors, (165), 8 states have internal predecessors, (165), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-09 11:40:57,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:57,277 INFO L93 Difference]: Finished difference Result 1568 states and 2255 transitions. [2024-11-09 11:40:57,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:40:57,278 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 23.571428571428573) internal successors, (165), 8 states have internal predecessors, (165), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 105 [2024-11-09 11:40:57,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:57,287 INFO L225 Difference]: With dead ends: 1568 [2024-11-09 11:40:57,287 INFO L226 Difference]: Without dead ends: 1566 [2024-11-09 11:40:57,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:40:57,291 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 218 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:57,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 342 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:40:57,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1566 states. [2024-11-09 11:40:57,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1566 to 1298. [2024-11-09 11:40:57,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1298 states, 1134 states have (on average 1.4462081128747795) internal successors, (1640), 1170 states have internal predecessors, (1640), 125 states have call successors, (125), 2 states have call predecessors, (125), 2 states have return successors, (125), 125 states have call predecessors, (125), 125 states have call successors, (125) [2024-11-09 11:40:57,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1298 states and 1890 transitions. [2024-11-09 11:40:57,383 INFO L78 Accepts]: Start accepts. Automaton has 1298 states and 1890 transitions. Word has length 105 [2024-11-09 11:40:57,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:57,385 INFO L471 AbstractCegarLoop]: Abstraction has 1298 states and 1890 transitions. [2024-11-09 11:40:57,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 23.571428571428573) internal successors, (165), 8 states have internal predecessors, (165), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-09 11:40:57,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1890 transitions. [2024-11-09 11:40:57,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 11:40:57,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:57,386 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:57,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:57,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:57,587 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:57,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:57,588 INFO L85 PathProgramCache]: Analyzing trace with hash -453257816, now seen corresponding path program 1 times [2024-11-09 11:40:57,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:57,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881347226] [2024-11-09 11:40:57,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:57,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:57,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:57,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:40:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:57,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:40:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:57,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:40:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:57,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:40:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:57,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:40:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:57,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:57,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 11:40:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:57,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 11:40:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:57,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 11:40:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:57,654 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:40:57,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:57,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881347226] [2024-11-09 11:40:57,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881347226] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:57,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61643382] [2024-11-09 11:40:57,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:57,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:57,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:57,656 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:57,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-09 11:40:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:57,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:57,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:57,817 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:40:57,817 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:57,912 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:40:57,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61643382] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:40:57,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:40:57,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-09 11:40:57,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990701067] [2024-11-09 11:40:57,913 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:57,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:40:57,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:57,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:40:57,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:40:57,914 INFO L87 Difference]: Start difference. First operand 1298 states and 1890 transitions. Second operand has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-09 11:40:58,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:58,665 INFO L93 Difference]: Finished difference Result 1840 states and 2687 transitions. [2024-11-09 11:40:58,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:40:58,665 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 107 [2024-11-09 11:40:58,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:58,669 INFO L225 Difference]: With dead ends: 1840 [2024-11-09 11:40:58,670 INFO L226 Difference]: Without dead ends: 1838 [2024-11-09 11:40:58,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:40:58,670 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 221 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:58,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 347 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:40:58,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2024-11-09 11:40:58,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1491. [2024-11-09 11:40:58,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1491 states, 1308 states have (on average 1.4418960244648318) internal successors, (1886), 1344 states have internal predecessors, (1886), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-09 11:40:58,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 2174 transitions. [2024-11-09 11:40:58,768 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 2174 transitions. Word has length 107 [2024-11-09 11:40:58,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:58,768 INFO L471 AbstractCegarLoop]: Abstraction has 1491 states and 2174 transitions. [2024-11-09 11:40:58,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-09 11:40:58,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 2174 transitions. [2024-11-09 11:40:58,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-09 11:40:58,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:58,770 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 1, 1, 1, 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 11:40:58,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:58,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-09 11:40:58,970 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:58,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:58,971 INFO L85 PathProgramCache]: Analyzing trace with hash -577014670, now seen corresponding path program 1 times [2024-11-09 11:40:58,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:58,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105492423] [2024-11-09 11:40:58,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:58,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:58,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1596714025] [2024-11-09 11:40:58,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:58,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:58,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:58,989 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:58,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-09 11:40:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:59,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:40:59,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:59,283 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:40:59,284 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:59,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:59,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105492423] [2024-11-09 11:40:59,341 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:59,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596714025] [2024-11-09 11:40:59,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596714025] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:59,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:59,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 11:40:59,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290369984] [2024-11-09 11:40:59,342 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:59,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:40:59,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:59,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:40:59,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:40:59,342 INFO L87 Difference]: Start difference. First operand 1491 states and 2174 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:40:59,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:59,887 INFO L93 Difference]: Finished difference Result 1577 states and 2284 transitions. [2024-11-09 11:40:59,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:40:59,887 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 110 [2024-11-09 11:40:59,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:59,891 INFO L225 Difference]: With dead ends: 1577 [2024-11-09 11:40:59,891 INFO L226 Difference]: Without dead ends: 1573 [2024-11-09 11:40:59,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:40:59,897 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 195 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:59,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 230 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:40:59,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2024-11-09 11:40:59,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1487. [2024-11-09 11:40:59,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1487 states, 1308 states have (on average 1.3868501529051989) internal successors, (1814), 1340 states have internal predecessors, (1814), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-09 11:40:59,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1487 states and 2102 transitions. [2024-11-09 11:40:59,986 INFO L78 Accepts]: Start accepts. Automaton has 1487 states and 2102 transitions. Word has length 110 [2024-11-09 11:40:59,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:59,986 INFO L471 AbstractCegarLoop]: Abstraction has 1487 states and 2102 transitions. [2024-11-09 11:40:59,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:40:59,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 2102 transitions. [2024-11-09 11:40:59,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 11:40:59,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:59,987 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 1, 1, 1, 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 11:40:59,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-09 11:41:00,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-09 11:41:00,188 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:00,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:00,188 INFO L85 PathProgramCache]: Analyzing trace with hash -707585535, now seen corresponding path program 1 times [2024-11-09 11:41:00,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:00,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592365014] [2024-11-09 11:41:00,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:00,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:00,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [731446847] [2024-11-09 11:41:00,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:00,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:00,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:00,205 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:00,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-09 11:41:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:00,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:41:00,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:00,508 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:41:00,508 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:00,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:00,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592365014] [2024-11-09 11:41:00,870 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:00,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731446847] [2024-11-09 11:41:00,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731446847] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:00,871 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:00,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 11:41:00,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568477586] [2024-11-09 11:41:00,871 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:00,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:41:00,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:00,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:41:00,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:00,871 INFO L87 Difference]: Start difference. First operand 1487 states and 2102 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:41:01,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:01,316 INFO L93 Difference]: Finished difference Result 1548 states and 2178 transitions. [2024-11-09 11:41:01,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:41:01,316 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 111 [2024-11-09 11:41:01,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:01,320 INFO L225 Difference]: With dead ends: 1548 [2024-11-09 11:41:01,320 INFO L226 Difference]: Without dead ends: 1546 [2024-11-09 11:41:01,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:01,321 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 99 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:01,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 186 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:41:01,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2024-11-09 11:41:01,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1503. [2024-11-09 11:41:01,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1503 states, 1322 states have (on average 1.384266263237519) internal successors, (1830), 1354 states have internal predecessors, (1830), 146 states have call successors, (146), 2 states have call predecessors, (146), 2 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-09 11:41:01,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 2122 transitions. [2024-11-09 11:41:01,404 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 2122 transitions. Word has length 111 [2024-11-09 11:41:01,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:01,404 INFO L471 AbstractCegarLoop]: Abstraction has 1503 states and 2122 transitions. [2024-11-09 11:41:01,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:41:01,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 2122 transitions. [2024-11-09 11:41:01,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 11:41:01,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:01,405 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 1, 1, 1, 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 11:41:01,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:01,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-09 11:41:01,610 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:01,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:01,610 INFO L85 PathProgramCache]: Analyzing trace with hash -788010111, now seen corresponding path program 2 times [2024-11-09 11:41:01,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:01,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755805682] [2024-11-09 11:41:01,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:01,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:01,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [491004690] [2024-11-09 11:41:01,620 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:41:01,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:01,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:01,621 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:01,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-09 11:41:01,670 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:41:01,670 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:41:01,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:41:01,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:01,951 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:41:01,951 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:02,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:02,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755805682] [2024-11-09 11:41:02,422 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:02,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491004690] [2024-11-09 11:41:02,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491004690] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:02,423 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:02,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 11:41:02,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213586607] [2024-11-09 11:41:02,423 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:02,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:41:02,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:02,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:41:02,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:02,424 INFO L87 Difference]: Start difference. First operand 1503 states and 2122 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:41:03,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:03,034 INFO L93 Difference]: Finished difference Result 1561 states and 2193 transitions. [2024-11-09 11:41:03,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:41:03,038 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 111 [2024-11-09 11:41:03,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:03,042 INFO L225 Difference]: With dead ends: 1561 [2024-11-09 11:41:03,042 INFO L226 Difference]: Without dead ends: 1557 [2024-11-09 11:41:03,043 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:03,043 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 121 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:03,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 225 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:41:03,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1557 states. [2024-11-09 11:41:03,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1557 to 1511. [2024-11-09 11:41:03,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1511 states, 1329 states have (on average 1.3852520692249812) internal successors, (1841), 1361 states have internal predecessors, (1841), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-09 11:41:03,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1511 states and 2135 transitions. [2024-11-09 11:41:03,145 INFO L78 Accepts]: Start accepts. Automaton has 1511 states and 2135 transitions. Word has length 111 [2024-11-09 11:41:03,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:03,145 INFO L471 AbstractCegarLoop]: Abstraction has 1511 states and 2135 transitions. [2024-11-09 11:41:03,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:41:03,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 2135 transitions. [2024-11-09 11:41:03,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 11:41:03,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:03,146 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 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, 1, 1, 1, 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 11:41:03,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-09 11:41:03,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:03,347 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:03,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:03,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1384864669, now seen corresponding path program 1 times [2024-11-09 11:41:03,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:03,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460527716] [2024-11-09 11:41:03,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:03,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:03,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1625212291] [2024-11-09 11:41:03,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:03,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:03,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:03,368 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:03,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-09 11:41:03,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:03,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:41:03,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:03,706 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:41:03,706 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:05,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:05,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460527716] [2024-11-09 11:41:05,277 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:05,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625212291] [2024-11-09 11:41:05,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625212291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:05,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:05,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 11:41:05,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354648769] [2024-11-09 11:41:05,278 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:05,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:41:05,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:05,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:41:05,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2024-11-09 11:41:05,279 INFO L87 Difference]: Start difference. First operand 1511 states and 2135 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:41:05,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:05,878 INFO L93 Difference]: Finished difference Result 1548 states and 2181 transitions. [2024-11-09 11:41:05,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:41:05,878 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 113 [2024-11-09 11:41:05,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:05,882 INFO L225 Difference]: With dead ends: 1548 [2024-11-09 11:41:05,883 INFO L226 Difference]: Without dead ends: 1546 [2024-11-09 11:41:05,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2024-11-09 11:41:05,884 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 121 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:05,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 217 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:41:05,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2024-11-09 11:41:05,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1511. [2024-11-09 11:41:05,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1511 states, 1329 states have (on average 1.3837471783295712) internal successors, (1839), 1361 states have internal predecessors, (1839), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-09 11:41:05,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1511 states and 2133 transitions. [2024-11-09 11:41:05,979 INFO L78 Accepts]: Start accepts. Automaton has 1511 states and 2133 transitions. Word has length 113 [2024-11-09 11:41:05,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:05,980 INFO L471 AbstractCegarLoop]: Abstraction has 1511 states and 2133 transitions. [2024-11-09 11:41:05,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:41:05,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 2133 transitions. [2024-11-09 11:41:05,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 11:41:05,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:05,980 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 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, 1, 1, 1, 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 11:41:05,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:06,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:06,185 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:06,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:06,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1363470877, now seen corresponding path program 2 times [2024-11-09 11:41:06,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:06,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651788395] [2024-11-09 11:41:06,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:06,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:06,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [80892456] [2024-11-09 11:41:06,198 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:41:06,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:06,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:06,199 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:06,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-09 11:41:06,241 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:41:06,242 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:41:06,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:41:06,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:06,490 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:41:06,491 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:06,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:06,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651788395] [2024-11-09 11:41:06,815 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:06,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80892456] [2024-11-09 11:41:06,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80892456] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:06,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:06,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 11:41:06,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53124171] [2024-11-09 11:41:06,815 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:06,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:41:06,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:06,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:41:06,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:41:06,817 INFO L87 Difference]: Start difference. First operand 1511 states and 2133 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:41:07,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:07,346 INFO L93 Difference]: Finished difference Result 1546 states and 2173 transitions. [2024-11-09 11:41:07,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:41:07,346 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 113 [2024-11-09 11:41:07,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:07,350 INFO L225 Difference]: With dead ends: 1546 [2024-11-09 11:41:07,350 INFO L226 Difference]: Without dead ends: 1544 [2024-11-09 11:41:07,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:41:07,351 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 119 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:07,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 219 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:41:07,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2024-11-09 11:41:07,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1511. [2024-11-09 11:41:07,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1511 states, 1329 states have (on average 1.382242287434161) internal successors, (1837), 1361 states have internal predecessors, (1837), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-09 11:41:07,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1511 states and 2131 transitions. [2024-11-09 11:41:07,445 INFO L78 Accepts]: Start accepts. Automaton has 1511 states and 2131 transitions. Word has length 113 [2024-11-09 11:41:07,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:07,446 INFO L471 AbstractCegarLoop]: Abstraction has 1511 states and 2131 transitions. [2024-11-09 11:41:07,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:41:07,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 2131 transitions. [2024-11-09 11:41:07,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 11:41:07,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:07,447 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:07,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:07,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-11-09 11:41:07,648 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:07,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:07,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1559185545, now seen corresponding path program 1 times [2024-11-09 11:41:07,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:07,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989196013] [2024-11-09 11:41:07,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:07,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:07,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:07,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:41:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:07,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:41:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:07,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:41:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:07,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:41:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:07,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:41:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:07,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:41:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:07,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 11:41:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:07,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 11:41:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:07,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 11:41:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:07,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 11:41:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:07,736 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-09 11:41:07,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:07,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989196013] [2024-11-09 11:41:07,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989196013] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:07,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120257898] [2024-11-09 11:41:07,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:07,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:07,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:07,738 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:07,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-09 11:41:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:07,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:41:07,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:07,809 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-09 11:41:07,809 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:07,887 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-09 11:41:07,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120257898] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:41:07,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:41:07,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-11-09 11:41:07,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765329144] [2024-11-09 11:41:07,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:07,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:41:07,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:07,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:41:07,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:41:07,889 INFO L87 Difference]: Start difference. First operand 1511 states and 2131 transitions. Second operand has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 10 states have internal predecessors, (77), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-09 11:41:08,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:08,921 INFO L93 Difference]: Finished difference Result 1513 states and 2133 transitions. [2024-11-09 11:41:08,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:41:08,922 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 10 states have internal predecessors, (77), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) Word has length 115 [2024-11-09 11:41:08,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:08,924 INFO L225 Difference]: With dead ends: 1513 [2024-11-09 11:41:08,924 INFO L226 Difference]: Without dead ends: 1512 [2024-11-09 11:41:08,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:41:08,925 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 94 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:08,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 181 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 11:41:08,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2024-11-09 11:41:09,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 1510. [2024-11-09 11:41:09,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 1329 states have (on average 1.3777276147479307) internal successors, (1831), 1360 states have internal predecessors, (1831), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-09 11:41:09,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 2125 transitions. [2024-11-09 11:41:09,015 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 2125 transitions. Word has length 115 [2024-11-09 11:41:09,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:09,016 INFO L471 AbstractCegarLoop]: Abstraction has 1510 states and 2125 transitions. [2024-11-09 11:41:09,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 10 states have internal predecessors, (77), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-09 11:41:09,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 2125 transitions. [2024-11-09 11:41:09,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 11:41:09,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:09,016 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:09,031 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-11-09 11:41:09,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-09 11:41:09,218 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:09,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:09,219 INFO L85 PathProgramCache]: Analyzing trace with hash 18868278, now seen corresponding path program 1 times [2024-11-09 11:41:09,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:09,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162563789] [2024-11-09 11:41:09,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:09,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:09,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [530538822] [2024-11-09 11:41:09,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:09,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:09,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:09,230 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:09,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-09 11:41:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:09,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 11:41:09,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:09,591 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:41:09,591 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:10,484 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-09 11:41:10,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:10,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162563789] [2024-11-09 11:41:10,484 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:10,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530538822] [2024-11-09 11:41:10,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530538822] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:10,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:10,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-09 11:41:10,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661465549] [2024-11-09 11:41:10,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:10,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:41:10,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:10,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:41:10,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:41:10,486 INFO L87 Difference]: Start difference. First operand 1510 states and 2125 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:12,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:12,715 INFO L93 Difference]: Finished difference Result 1510 states and 2125 transitions. [2024-11-09 11:41:12,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:41:12,715 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 114 [2024-11-09 11:41:12,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:12,718 INFO L225 Difference]: With dead ends: 1510 [2024-11-09 11:41:12,718 INFO L226 Difference]: Without dead ends: 1509 [2024-11-09 11:41:12,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 217 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:41:12,719 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 84 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:12,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 135 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-09 11:41:12,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1509 states. [2024-11-09 11:41:12,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1509 to 1509. [2024-11-09 11:41:12,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1509 states, 1329 states have (on average 1.3528969149736645) internal successors, (1798), 1359 states have internal predecessors, (1798), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-09 11:41:12,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 2092 transitions. [2024-11-09 11:41:12,826 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 2092 transitions. Word has length 114 [2024-11-09 11:41:12,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:12,826 INFO L471 AbstractCegarLoop]: Abstraction has 1509 states and 2092 transitions. [2024-11-09 11:41:12,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:12,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 2092 transitions. [2024-11-09 11:41:12,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-09 11:41:12,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:12,827 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:12,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-09 11:41:13,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-09 11:41:13,031 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:13,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:13,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1090111494, now seen corresponding path program 1 times [2024-11-09 11:41:13,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:13,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266128731] [2024-11-09 11:41:13,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:13,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:13,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:13,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:41:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:13,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:41:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:13,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:41:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:13,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:41:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:13,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:41:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:13,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:41:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:13,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 11:41:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:13,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 11:41:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:13,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 11:41:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:13,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 11:41:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:13,104 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-09 11:41:13,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:13,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266128731] [2024-11-09 11:41:13,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266128731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:13,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:13,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:41:13,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236115494] [2024-11-09 11:41:13,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:13,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:41:13,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:13,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:41:13,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:41:13,106 INFO L87 Difference]: Start difference. First operand 1509 states and 2092 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-09 11:41:14,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:14,657 INFO L93 Difference]: Finished difference Result 1539 states and 2119 transitions. [2024-11-09 11:41:14,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:41:14,657 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 116 [2024-11-09 11:41:14,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:14,660 INFO L225 Difference]: With dead ends: 1539 [2024-11-09 11:41:14,660 INFO L226 Difference]: Without dead ends: 1538 [2024-11-09 11:41:14,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:41:14,661 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 167 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:14,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 213 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 11:41:14,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1538 states. [2024-11-09 11:41:14,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1538 to 1497. [2024-11-09 11:41:14,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1497 states, 1319 states have (on average 1.3510235026535253) internal successors, (1782), 1348 states have internal predecessors, (1782), 146 states have call successors, (146), 2 states have call predecessors, (146), 2 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-09 11:41:14,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 2074 transitions. [2024-11-09 11:41:14,759 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 2074 transitions. Word has length 116 [2024-11-09 11:41:14,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:14,759 INFO L471 AbstractCegarLoop]: Abstraction has 1497 states and 2074 transitions. [2024-11-09 11:41:14,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-09 11:41:14,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 2074 transitions. [2024-11-09 11:41:14,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 11:41:14,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:14,760 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 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] [2024-11-09 11:41:14,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-09 11:41:14,760 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:14,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:14,760 INFO L85 PathProgramCache]: Analyzing trace with hash 584916677, now seen corresponding path program 1 times [2024-11-09 11:41:14,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:14,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772013482] [2024-11-09 11:41:14,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:14,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:14,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1639067103] [2024-11-09 11:41:14,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:14,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:14,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:14,774 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:14,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-09 11:41:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:14,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:41:14,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:15,133 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:41:15,133 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:15,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:15,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772013482] [2024-11-09 11:41:15,899 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:15,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639067103] [2024-11-09 11:41:15,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639067103] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:15,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:15,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-09 11:41:15,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601589797] [2024-11-09 11:41:15,900 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:15,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:41:15,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:15,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:41:15,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:41:15,901 INFO L87 Difference]: Start difference. First operand 1497 states and 2074 transitions. Second operand has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:41:17,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:17,086 INFO L93 Difference]: Finished difference Result 1581 states and 2179 transitions. [2024-11-09 11:41:17,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:41:17,087 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 115 [2024-11-09 11:41:17,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:17,090 INFO L225 Difference]: With dead ends: 1581 [2024-11-09 11:41:17,090 INFO L226 Difference]: Without dead ends: 1577 [2024-11-09 11:41:17,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:41:17,093 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 195 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:17,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 314 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 11:41:17,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2024-11-09 11:41:17,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1514. [2024-11-09 11:41:17,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1514 states, 1334 states have (on average 1.3380809595202399) internal successors, (1785), 1363 states have internal predecessors, (1785), 148 states have call successors, (148), 2 states have call predecessors, (148), 2 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-09 11:41:17,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1514 states and 2081 transitions. [2024-11-09 11:41:17,209 INFO L78 Accepts]: Start accepts. Automaton has 1514 states and 2081 transitions. Word has length 115 [2024-11-09 11:41:17,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:17,209 INFO L471 AbstractCegarLoop]: Abstraction has 1514 states and 2081 transitions. [2024-11-09 11:41:17,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:41:17,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 2081 transitions. [2024-11-09 11:41:17,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 11:41:17,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:17,216 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 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] [2024-11-09 11:41:17,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:17,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-09 11:41:17,418 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:17,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:17,418 INFO L85 PathProgramCache]: Analyzing trace with hash -330485691, now seen corresponding path program 2 times [2024-11-09 11:41:17,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:17,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689759290] [2024-11-09 11:41:17,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:17,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:17,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [601950622] [2024-11-09 11:41:17,439 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:41:17,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:17,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:17,442 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:17,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-09 11:41:17,492 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:41:17,493 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:41:17,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 11:41:17,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:17,803 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:41:17,804 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:18,550 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-09 11:41:18,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:18,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689759290] [2024-11-09 11:41:18,551 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:18,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601950622] [2024-11-09 11:41:18,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601950622] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:18,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:18,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-09 11:41:18,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646581396] [2024-11-09 11:41:18,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:18,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:41:18,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:18,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:41:18,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:41:18,552 INFO L87 Difference]: Start difference. First operand 1514 states and 2081 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:20,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:20,683 INFO L93 Difference]: Finished difference Result 1514 states and 2081 transitions. [2024-11-09 11:41:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:41:20,684 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 115 [2024-11-09 11:41:20,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:20,686 INFO L225 Difference]: With dead ends: 1514 [2024-11-09 11:41:20,686 INFO L226 Difference]: Without dead ends: 1511 [2024-11-09 11:41:20,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 219 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:41:20,688 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 84 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:20,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 135 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-09 11:41:20,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2024-11-09 11:41:20,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1505. [2024-11-09 11:41:20,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 1328 states have (on average 1.3215361445783131) internal successors, (1755), 1354 states have internal predecessors, (1755), 148 states have call successors, (148), 2 states have call predecessors, (148), 2 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-09 11:41:20,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 2051 transitions. [2024-11-09 11:41:20,814 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 2051 transitions. Word has length 115 [2024-11-09 11:41:20,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:20,814 INFO L471 AbstractCegarLoop]: Abstraction has 1505 states and 2051 transitions. [2024-11-09 11:41:20,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:20,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 2051 transitions. [2024-11-09 11:41:20,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-09 11:41:20,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:20,815 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:20,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:21,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:21,016 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:21,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:21,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1109822089, now seen corresponding path program 2 times [2024-11-09 11:41:21,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:21,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780072814] [2024-11-09 11:41:21,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:21,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:21,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1168500497] [2024-11-09 11:41:21,041 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:41:21,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:21,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:21,043 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:21,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-09 11:41:21,089 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:41:21,089 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:41:21,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:41:21,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:21,433 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-09 11:41:21,433 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:24,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:24,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780072814] [2024-11-09 11:41:24,495 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:24,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168500497] [2024-11-09 11:41:24,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168500497] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:24,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:24,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:41:24,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458636559] [2024-11-09 11:41:24,495 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:24,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:41:24,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:24,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:41:24,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=61, Unknown=2, NotChecked=0, Total=90 [2024-11-09 11:41:24,496 INFO L87 Difference]: Start difference. First operand 1505 states and 2051 transitions. Second operand has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 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 11:41:25,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:25,202 INFO L93 Difference]: Finished difference Result 1942 states and 2645 transitions. [2024-11-09 11:41:25,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:41:25,203 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 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 121 [2024-11-09 11:41:25,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:25,209 INFO L225 Difference]: With dead ends: 1942 [2024-11-09 11:41:25,209 INFO L226 Difference]: Without dead ends: 1940 [2024-11-09 11:41:25,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=35, Invalid=73, Unknown=2, NotChecked=0, Total=110 [2024-11-09 11:41:25,211 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 270 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:25,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 377 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:41:25,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1940 states. [2024-11-09 11:41:25,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1940 to 1747. [2024-11-09 11:41:25,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1747 states, 1544 states have (on average 1.325777202072539) internal successors, (2047), 1570 states have internal predecessors, (2047), 174 states have call successors, (174), 2 states have call predecessors, (174), 2 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-09 11:41:25,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1747 states and 2395 transitions. [2024-11-09 11:41:25,446 INFO L78 Accepts]: Start accepts. Automaton has 1747 states and 2395 transitions. Word has length 121 [2024-11-09 11:41:25,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:25,447 INFO L471 AbstractCegarLoop]: Abstraction has 1747 states and 2395 transitions. [2024-11-09 11:41:25,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 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 11:41:25,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2395 transitions. [2024-11-09 11:41:25,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 11:41:25,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:25,448 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-09 11:41:25,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:25,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-09 11:41:25,649 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:25,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:25,650 INFO L85 PathProgramCache]: Analyzing trace with hash 179546791, now seen corresponding path program 1 times [2024-11-09 11:41:25,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:25,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105522491] [2024-11-09 11:41:25,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:25,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:25,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [346156637] [2024-11-09 11:41:25,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:25,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:25,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:25,666 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:25,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-09 11:41:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:25,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 11:41:25,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:26,160 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-09 11:41:26,161 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:26,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:26,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105522491] [2024-11-09 11:41:26,769 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:26,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346156637] [2024-11-09 11:41:26,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346156637] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:26,769 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:26,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:41:26,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519818175] [2024-11-09 11:41:26,770 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:26,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:41:26,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:26,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:41:26,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:41:26,771 INFO L87 Difference]: Start difference. First operand 1747 states and 2395 transitions. Second operand has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 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 11:41:28,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:28,080 INFO L93 Difference]: Finished difference Result 1859 states and 2535 transitions. [2024-11-09 11:41:28,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 11:41:28,081 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 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 124 [2024-11-09 11:41:28,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:28,084 INFO L225 Difference]: With dead ends: 1859 [2024-11-09 11:41:28,084 INFO L226 Difference]: Without dead ends: 1857 [2024-11-09 11:41:28,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:41:28,086 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 212 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 1790 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 1805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:28,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 638 Invalid, 1805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1790 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 11:41:28,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2024-11-09 11:41:28,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1777. [2024-11-09 11:41:28,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1777 states, 1571 states have (on average 1.325270528325907) internal successors, (2082), 1597 states have internal predecessors, (2082), 177 states have call successors, (177), 2 states have call predecessors, (177), 2 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2024-11-09 11:41:28,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1777 states and 2436 transitions. [2024-11-09 11:41:28,239 INFO L78 Accepts]: Start accepts. Automaton has 1777 states and 2436 transitions. Word has length 124 [2024-11-09 11:41:28,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:28,239 INFO L471 AbstractCegarLoop]: Abstraction has 1777 states and 2436 transitions. [2024-11-09 11:41:28,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 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 11:41:28,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 2436 transitions. [2024-11-09 11:41:28,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 11:41:28,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:28,240 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-09 11:41:28,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2024-11-09 11:41:28,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-09 11:41:28,445 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:28,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:28,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1270983295, now seen corresponding path program 1 times [2024-11-09 11:41:28,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:28,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151854134] [2024-11-09 11:41:28,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:28,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:28,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1999217916] [2024-11-09 11:41:28,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:28,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:28,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:28,457 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:28,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-09 11:41:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:28,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:41:28,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:28,817 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 24 proven. 26 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-09 11:41:28,817 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:28,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:28,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151854134] [2024-11-09 11:41:28,996 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:28,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999217916] [2024-11-09 11:41:28,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999217916] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:28,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:28,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:41:28,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618740480] [2024-11-09 11:41:28,996 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:28,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:41:28,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:28,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:41:28,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:41:28,997 INFO L87 Difference]: Start difference. First operand 1777 states and 2436 transitions. Second operand has 9 states, 8 states have (on average 9.5) internal successors, (76), 9 states have internal predecessors, (76), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-09 11:41:30,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:30,430 INFO L93 Difference]: Finished difference Result 2028 states and 2775 transitions. [2024-11-09 11:41:30,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 11:41:30,430 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.5) internal successors, (76), 9 states have internal predecessors, (76), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 125 [2024-11-09 11:41:30,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:30,434 INFO L225 Difference]: With dead ends: 2028 [2024-11-09 11:41:30,434 INFO L226 Difference]: Without dead ends: 2025 [2024-11-09 11:41:30,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=143, Invalid=319, Unknown=0, NotChecked=0, Total=462 [2024-11-09 11:41:30,436 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 349 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 1006 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:30,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 433 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1006 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 11:41:30,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2025 states. [2024-11-09 11:41:30,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2025 to 1803. [2024-11-09 11:41:30,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1803 states, 1595 states have (on average 1.3172413793103448) internal successors, (2101), 1621 states have internal predecessors, (2101), 179 states have call successors, (179), 2 states have call predecessors, (179), 2 states have return successors, (179), 179 states have call predecessors, (179), 179 states have call successors, (179) [2024-11-09 11:41:30,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1803 states and 2459 transitions. [2024-11-09 11:41:30,582 INFO L78 Accepts]: Start accepts. Automaton has 1803 states and 2459 transitions. Word has length 125 [2024-11-09 11:41:30,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:30,583 INFO L471 AbstractCegarLoop]: Abstraction has 1803 states and 2459 transitions. [2024-11-09 11:41:30,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.5) internal successors, (76), 9 states have internal predecessors, (76), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-09 11:41:30,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2459 transitions. [2024-11-09 11:41:30,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-09 11:41:30,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:30,585 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-09 11:41:30,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:30,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2024-11-09 11:41:30,786 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:30,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:30,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1882420261, now seen corresponding path program 1 times [2024-11-09 11:41:30,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:30,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557331249] [2024-11-09 11:41:30,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:30,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:30,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1461176378] [2024-11-09 11:41:30,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:30,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:30,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:30,798 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:30,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-11-09 11:41:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:30,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 11:41:30,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:31,175 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 39 proven. 28 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-09 11:41:31,175 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:32,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:32,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557331249] [2024-11-09 11:41:32,671 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:32,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461176378] [2024-11-09 11:41:32,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461176378] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:32,671 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:32,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:41:32,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226221627] [2024-11-09 11:41:32,672 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:32,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:41:32,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:32,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:41:32,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=79, Unknown=1, NotChecked=0, Total=110 [2024-11-09 11:41:32,673 INFO L87 Difference]: Start difference. First operand 1803 states and 2459 transitions. Second operand has 9 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-09 11:41:33,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:33,861 INFO L93 Difference]: Finished difference Result 2119 states and 2870 transitions. [2024-11-09 11:41:33,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:41:33,862 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) Word has length 126 [2024-11-09 11:41:33,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:33,865 INFO L225 Difference]: With dead ends: 2119 [2024-11-09 11:41:33,865 INFO L226 Difference]: Without dead ends: 2115 [2024-11-09 11:41:33,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=65, Invalid=144, Unknown=1, NotChecked=0, Total=210 [2024-11-09 11:41:33,866 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 344 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 854 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:33,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 503 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 854 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 11:41:33,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2115 states. [2024-11-09 11:41:34,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2115 to 1882. [2024-11-09 11:41:34,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1882 states, 1666 states have (on average 1.2953181272509005) internal successors, (2158), 1692 states have internal predecessors, (2158), 187 states have call successors, (187), 2 states have call predecessors, (187), 2 states have return successors, (187), 187 states have call predecessors, (187), 187 states have call successors, (187) [2024-11-09 11:41:34,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1882 states and 2532 transitions. [2024-11-09 11:41:34,032 INFO L78 Accepts]: Start accepts. Automaton has 1882 states and 2532 transitions. Word has length 126 [2024-11-09 11:41:34,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:34,032 INFO L471 AbstractCegarLoop]: Abstraction has 1882 states and 2532 transitions. [2024-11-09 11:41:34,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-09 11:41:34,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 2532 transitions. [2024-11-09 11:41:34,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-09 11:41:34,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:34,033 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-09 11:41:34,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:34,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:34,234 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:34,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:34,234 INFO L85 PathProgramCache]: Analyzing trace with hash 745776553, now seen corresponding path program 1 times [2024-11-09 11:41:34,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:34,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818513769] [2024-11-09 11:41:34,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:34,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:34,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1771878902] [2024-11-09 11:41:34,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:34,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:34,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:34,260 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:34,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-11-09 11:41:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:34,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 11:41:34,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:34,880 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 3 proven. 58 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-09 11:41:34,880 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:35,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:35,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818513769] [2024-11-09 11:41:35,165 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:35,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771878902] [2024-11-09 11:41:35,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771878902] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:35,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:35,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:41:35,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119494931] [2024-11-09 11:41:35,165 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:35,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:41:35,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:35,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:41:35,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:41:35,166 INFO L87 Difference]: Start difference. First operand 1882 states and 2532 transitions. Second operand has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 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)