./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound2.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/egcd3-ll_unwindbound2.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 33e65da42eaec3b998693833c359b0db98e1fca213179917a50e687ef24ee4df --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:42:46,359 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:42:46,438 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:42:46,444 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:42:46,445 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:42:46,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:42:46,484 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:42:46,485 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:42:46,485 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:42:46,485 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:42:46,486 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:42:46,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:42:46,487 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:42:46,490 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:42:46,491 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:42:46,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:42:46,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:42:46,492 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:42:46,492 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:42:46,492 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:42:46,492 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:42:46,493 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:42:46,493 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:42:46,494 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:42:46,494 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:42:46,494 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:42:46,495 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:42:46,495 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:42:46,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:42:46,495 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:42:46,496 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:42:46,496 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:42:46,496 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:42:46,496 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:42:46,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:42:46,497 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:42:46,497 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:42:46,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:42:46,497 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:42:46,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:42:46,498 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:42:46,499 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:42:46,499 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:42:46,499 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:42:46,500 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33e65da42eaec3b998693833c359b0db98e1fca213179917a50e687ef24ee4df [2024-11-09 11:42:46,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:42:46,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:42:46,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:42:46,804 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:42:46,805 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:42:46,806 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound2.c [2024-11-09 11:42:48,247 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:42:48,429 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:42:48,430 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound2.c [2024-11-09 11:42:48,440 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd624b180/0422f09028df483ab9490443d13ff7d4/FLAG95729b41b [2024-11-09 11:42:48,820 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd624b180/0422f09028df483ab9490443d13ff7d4 [2024-11-09 11:42:48,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:42:48,823 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:42:48,826 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:42:48,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:42:48,831 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:42:48,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:42:48" (1/1) ... [2024-11-09 11:42:48,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@732fd401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:42:48, skipping insertion in model container [2024-11-09 11:42:48,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:42:48" (1/1) ... [2024-11-09 11:42:48,854 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:42:49,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:42:49,071 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:42:49,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:42:49,116 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:42:49,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:42:49 WrapperNode [2024-11-09 11:42:49,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:42:49,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:42:49,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:42:49,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:42:49,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:42:49" (1/1) ... [2024-11-09 11:42:49,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:42:49" (1/1) ... [2024-11-09 11:42:49,151 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 156 [2024-11-09 11:42:49,152 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:42:49,153 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:42:49,153 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:42:49,153 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:42:49,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:42:49" (1/1) ... [2024-11-09 11:42:49,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:42:49" (1/1) ... [2024-11-09 11:42:49,165 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:42:49" (1/1) ... [2024-11-09 11:42:49,181 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 11:42:49,182 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:42:49" (1/1) ... [2024-11-09 11:42:49,185 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:42:49" (1/1) ... [2024-11-09 11:42:49,193 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:42:49" (1/1) ... [2024-11-09 11:42:49,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:42:49" (1/1) ... [2024-11-09 11:42:49,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:42:49" (1/1) ... [2024-11-09 11:42:49,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:42:49" (1/1) ... [2024-11-09 11:42:49,208 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:42:49,209 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:42:49,209 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:42:49,209 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:42:49,209 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:42:49" (1/1) ... [2024-11-09 11:42:49,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:42:49,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:49,252 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 11:42:49,259 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 11:42:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:42:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 11:42:49,309 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 11:42:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:42:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:42:49,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:42:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:42:49,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:42:49,386 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:42:49,390 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:42:50,063 INFO L? ?]: Removed 138 outVars from TransFormulas that were not future-live. [2024-11-09 11:42:50,063 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:42:50,082 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:42:50,086 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-09 11:42:50,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:42:50 BoogieIcfgContainer [2024-11-09 11:42:50,088 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:42:50,091 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:42:50,091 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:42:50,095 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:42:50,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:42:48" (1/3) ... [2024-11-09 11:42:50,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e42af74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:42:50, skipping insertion in model container [2024-11-09 11:42:50,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:42:49" (2/3) ... [2024-11-09 11:42:50,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e42af74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:42:50, skipping insertion in model container [2024-11-09 11:42:50,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:42:50" (3/3) ... [2024-11-09 11:42:50,099 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd3-ll_unwindbound2.c [2024-11-09 11:42:50,116 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:42:50,116 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2024-11-09 11:42:50,194 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:42:50,199 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;@2df4d9fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:42:50,200 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-09 11:42:50,204 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 80 states have (on average 1.8375) internal successors, (147), 136 states have internal predecessors, (147), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 11:42:50,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 11:42:50,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:50,212 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:50,213 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:42:50,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:50,219 INFO L85 PathProgramCache]: Analyzing trace with hash -2142177312, now seen corresponding path program 1 times [2024-11-09 11:42:50,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:50,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375991195] [2024-11-09 11:42:50,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:50,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:50,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:50,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:42:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:50,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:42:50,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:50,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375991195] [2024-11-09 11:42:50,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375991195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:50,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:50,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:42:50,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634230513] [2024-11-09 11:42:50,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:50,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 11:42:50,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:50,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 11:42:50,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:42:50,399 INFO L87 Difference]: Start difference. First operand has 146 states, 80 states have (on average 1.8375) internal successors, (147), 136 states have internal predecessors, (147), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:42:50,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:50,429 INFO L93 Difference]: Finished difference Result 288 states and 324 transitions. [2024-11-09 11:42:50,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 11:42:50,431 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-09 11:42:50,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:50,437 INFO L225 Difference]: With dead ends: 288 [2024-11-09 11:42:50,437 INFO L226 Difference]: Without dead ends: 139 [2024-11-09 11:42:50,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:42:50,443 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:50,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:42:50,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-09 11:42:50,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-11-09 11:42:50,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 75 states have (on average 1.8133333333333332) internal successors, (136), 130 states have internal predecessors, (136), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:42:50,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 148 transitions. [2024-11-09 11:42:50,489 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 148 transitions. Word has length 15 [2024-11-09 11:42:50,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:50,489 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 148 transitions. [2024-11-09 11:42:50,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:42:50,490 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 148 transitions. [2024-11-09 11:42:50,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 11:42:50,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:50,491 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:50,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:42:50,492 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:42:50,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:50,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1383858817, now seen corresponding path program 1 times [2024-11-09 11:42:50,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:50,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756140328] [2024-11-09 11:42:50,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:50,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:50,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:50,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:42:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:50,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:42:50,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:50,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756140328] [2024-11-09 11:42:50,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756140328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:50,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:50,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:42:50,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784109489] [2024-11-09 11:42:50,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:50,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:42:50,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:50,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:42:50,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:42:50,641 INFO L87 Difference]: Start difference. First operand 139 states and 148 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:50,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:50,734 INFO L93 Difference]: Finished difference Result 179 states and 189 transitions. [2024-11-09 11:42:50,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:42:50,735 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-09 11:42:50,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:50,737 INFO L225 Difference]: With dead ends: 179 [2024-11-09 11:42:50,737 INFO L226 Difference]: Without dead ends: 178 [2024-11-09 11:42:50,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:42:50,739 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 45 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:50,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 412 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:42:50,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-09 11:42:50,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 141. [2024-11-09 11:42:50,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 77 states have (on average 1.7922077922077921) internal successors, (138), 132 states have internal predecessors, (138), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:42:50,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 150 transitions. [2024-11-09 11:42:50,753 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 150 transitions. Word has length 15 [2024-11-09 11:42:50,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:50,754 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 150 transitions. [2024-11-09 11:42:50,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:50,754 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 150 transitions. [2024-11-09 11:42:50,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 11:42:50,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:50,755 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:50,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:42:50,756 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:42:50,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:50,757 INFO L85 PathProgramCache]: Analyzing trace with hash 50049677, now seen corresponding path program 1 times [2024-11-09 11:42:50,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:50,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977371861] [2024-11-09 11:42:50,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:50,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:50,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:50,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:42:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:50,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:42:50,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:50,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977371861] [2024-11-09 11:42:50,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977371861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:50,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:50,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:42:50,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996708594] [2024-11-09 11:42:50,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:50,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:42:50,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:50,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:42:50,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:42:50,852 INFO L87 Difference]: Start difference. First operand 141 states and 150 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:50,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:50,906 INFO L93 Difference]: Finished difference Result 172 states and 181 transitions. [2024-11-09 11:42:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:42:50,908 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2024-11-09 11:42:50,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:50,909 INFO L225 Difference]: With dead ends: 172 [2024-11-09 11:42:50,909 INFO L226 Difference]: Without dead ends: 143 [2024-11-09 11:42:50,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:42:50,911 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 8 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:50,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 415 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:42:50,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-09 11:42:50,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-11-09 11:42:50,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 79 states have (on average 1.7721518987341771) internal successors, (140), 134 states have internal predecessors, (140), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:42:50,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 152 transitions. [2024-11-09 11:42:50,925 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 152 transitions. Word has length 16 [2024-11-09 11:42:50,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:50,925 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 152 transitions. [2024-11-09 11:42:50,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:50,926 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 152 transitions. [2024-11-09 11:42:50,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 11:42:50,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:50,929 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:50,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:42:50,930 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:42:50,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:50,931 INFO L85 PathProgramCache]: Analyzing trace with hash 676324676, now seen corresponding path program 1 times [2024-11-09 11:42:50,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:50,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329476995] [2024-11-09 11:42:50,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:50,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:51,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:51,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:42:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:51,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:42:51,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:51,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329476995] [2024-11-09 11:42:51,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329476995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:51,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:51,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 11:42:51,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157870660] [2024-11-09 11:42:51,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:51,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:42:51,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:51,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:42:51,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:42:51,118 INFO L87 Difference]: Start difference. First operand 143 states and 152 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:51,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:51,408 INFO L93 Difference]: Finished difference Result 241 states and 264 transitions. [2024-11-09 11:42:51,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:42:51,409 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-09 11:42:51,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:51,410 INFO L225 Difference]: With dead ends: 241 [2024-11-09 11:42:51,411 INFO L226 Difference]: Without dead ends: 213 [2024-11-09 11:42:51,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:42:51,412 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 253 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:51,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 391 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:42:51,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-09 11:42:51,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 144. [2024-11-09 11:42:51,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 80 states have (on average 1.7625) internal successors, (141), 135 states have internal predecessors, (141), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:42:51,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 153 transitions. [2024-11-09 11:42:51,425 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 153 transitions. Word has length 19 [2024-11-09 11:42:51,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:51,425 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 153 transitions. [2024-11-09 11:42:51,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:51,426 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 153 transitions. [2024-11-09 11:42:51,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 11:42:51,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:51,426 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:51,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 11:42:51,427 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:42:51,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:51,427 INFO L85 PathProgramCache]: Analyzing trace with hash -508773292, now seen corresponding path program 1 times [2024-11-09 11:42:51,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:51,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565648501] [2024-11-09 11:42:51,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:51,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:51,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:51,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:42:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:51,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:42:51,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:51,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565648501] [2024-11-09 11:42:51,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565648501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:51,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:51,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:42:51,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309095423] [2024-11-09 11:42:51,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:51,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:42:51,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:51,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:42:51,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:42:51,539 INFO L87 Difference]: Start difference. First operand 144 states and 153 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:51,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:51,628 INFO L93 Difference]: Finished difference Result 208 states and 220 transitions. [2024-11-09 11:42:51,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:42:51,630 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-11-09 11:42:51,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:51,631 INFO L225 Difference]: With dead ends: 208 [2024-11-09 11:42:51,631 INFO L226 Difference]: Without dead ends: 206 [2024-11-09 11:42:51,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:42:51,632 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 128 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:51,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 538 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:42:51,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-09 11:42:51,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 163. [2024-11-09 11:42:51,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 99 states have (on average 1.7575757575757576) internal successors, (174), 154 states have internal predecessors, (174), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:42:51,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 186 transitions. [2024-11-09 11:42:51,643 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 186 transitions. Word has length 20 [2024-11-09 11:42:51,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:51,643 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 186 transitions. [2024-11-09 11:42:51,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:51,643 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 186 transitions. [2024-11-09 11:42:51,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 11:42:51,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:51,644 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:51,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 11:42:51,644 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:42:51,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:51,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1407897195, now seen corresponding path program 1 times [2024-11-09 11:42:51,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:51,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934020985] [2024-11-09 11:42:51,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:51,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:51,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:51,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:42:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:51,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:42:51,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:51,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934020985] [2024-11-09 11:42:51,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934020985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:51,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:51,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:42:51,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53596582] [2024-11-09 11:42:51,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:51,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:42:51,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:51,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:42:51,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:42:51,723 INFO L87 Difference]: Start difference. First operand 163 states and 186 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:51,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:51,799 INFO L93 Difference]: Finished difference Result 316 states and 363 transitions. [2024-11-09 11:42:51,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:42:51,799 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-09 11:42:51,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:51,802 INFO L225 Difference]: With dead ends: 316 [2024-11-09 11:42:51,802 INFO L226 Difference]: Without dead ends: 167 [2024-11-09 11:42:51,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:42:51,804 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 16 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:51,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 544 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:42:51,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-09 11:42:51,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2024-11-09 11:42:51,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 103 states have (on average 1.7281553398058251) internal successors, (178), 158 states have internal predecessors, (178), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:42:51,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 190 transitions. [2024-11-09 11:42:51,814 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 190 transitions. Word has length 21 [2024-11-09 11:42:51,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:51,815 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 190 transitions. [2024-11-09 11:42:51,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:51,815 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 190 transitions. [2024-11-09 11:42:51,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 11:42:51,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:51,816 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:51,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 11:42:51,816 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:42:51,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:51,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1411929968, now seen corresponding path program 1 times [2024-11-09 11:42:51,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:51,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517461902] [2024-11-09 11:42:51,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:51,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:51,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1263535111] [2024-11-09 11:42:51,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:51,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:51,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:51,842 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 11:42:51,843 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 11:42:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:51,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:42:51,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:51,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:42:51,941 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:42:51,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:51,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517461902] [2024-11-09 11:42:51,942 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:51,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263535111] [2024-11-09 11:42:51,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263535111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:51,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:51,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:42:51,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097399178] [2024-11-09 11:42:51,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:51,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:42:51,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:51,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:42:51,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:42:51,944 INFO L87 Difference]: Start difference. First operand 167 states and 190 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:52,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:52,213 INFO L93 Difference]: Finished difference Result 252 states and 292 transitions. [2024-11-09 11:42:52,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:42:52,214 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2024-11-09 11:42:52,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:52,216 INFO L225 Difference]: With dead ends: 252 [2024-11-09 11:42:52,216 INFO L226 Difference]: Without dead ends: 248 [2024-11-09 11:42:52,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:42:52,217 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 68 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:52,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 249 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:42:52,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-09 11:42:52,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 216. [2024-11-09 11:42:52,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 148 states have (on average 1.7432432432432432) internal successors, (258), 203 states have internal predecessors, (258), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:42:52,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 278 transitions. [2024-11-09 11:42:52,240 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 278 transitions. Word has length 25 [2024-11-09 11:42:52,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:52,241 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 278 transitions. [2024-11-09 11:42:52,241 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:52,242 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 278 transitions. [2024-11-09 11:42:52,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 11:42:52,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:52,243 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:52,256 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 11:42:52,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:52,445 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:42:52,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:52,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1411930638, now seen corresponding path program 1 times [2024-11-09 11:42:52,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:52,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938224108] [2024-11-09 11:42:52,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:52,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:52,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:52,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:42:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:52,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:42:52,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:52,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938224108] [2024-11-09 11:42:52,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938224108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:52,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:52,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 11:42:52,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876724996] [2024-11-09 11:42:52,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:52,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:42:52,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:52,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:42:52,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:42:52,550 INFO L87 Difference]: Start difference. First operand 216 states and 278 transitions. Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:52,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:52,679 INFO L93 Difference]: Finished difference Result 306 states and 387 transitions. [2024-11-09 11:42:52,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:42:52,681 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2024-11-09 11:42:52,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:52,683 INFO L225 Difference]: With dead ends: 306 [2024-11-09 11:42:52,683 INFO L226 Difference]: Without dead ends: 131 [2024-11-09 11:42:52,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:42:52,685 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 180 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:52,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 295 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:42:52,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-09 11:42:52,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 104. [2024-11-09 11:42:52,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 72 states have (on average 1.5555555555555556) internal successors, (112), 100 states have internal predecessors, (112), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:42:52,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 116 transitions. [2024-11-09 11:42:52,698 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 116 transitions. Word has length 25 [2024-11-09 11:42:52,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:52,698 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 116 transitions. [2024-11-09 11:42:52,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:52,699 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 116 transitions. [2024-11-09 11:42:52,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 11:42:52,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:52,699 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:52,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 11:42:52,700 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:42:52,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:52,704 INFO L85 PathProgramCache]: Analyzing trace with hash -820176736, now seen corresponding path program 1 times [2024-11-09 11:42:52,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:52,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379119813] [2024-11-09 11:42:52,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:52,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:52,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:52,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:42:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:52,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:42:52,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:52,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379119813] [2024-11-09 11:42:52,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379119813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:52,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:52,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 11:42:52,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773415650] [2024-11-09 11:42:52,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:52,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:42:52,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:52,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:42:52,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:42:52,824 INFO L87 Difference]: Start difference. First operand 104 states and 116 transitions. Second operand has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:52,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:52,912 INFO L93 Difference]: Finished difference Result 129 states and 142 transitions. [2024-11-09 11:42:52,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:42:52,912 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2024-11-09 11:42:52,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:52,913 INFO L225 Difference]: With dead ends: 129 [2024-11-09 11:42:52,913 INFO L226 Difference]: Without dead ends: 128 [2024-11-09 11:42:52,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:42:52,914 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 38 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:52,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 407 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:42:52,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-09 11:42:52,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 108. [2024-11-09 11:42:52,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 76 states have (on average 1.5394736842105263) internal successors, (117), 104 states have internal predecessors, (117), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:42:52,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 121 transitions. [2024-11-09 11:42:52,923 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 121 transitions. Word has length 26 [2024-11-09 11:42:52,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:52,924 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 121 transitions. [2024-11-09 11:42:52,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:52,924 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 121 transitions. [2024-11-09 11:42:52,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 11:42:52,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:52,925 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:52,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 11:42:52,925 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:42:52,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:52,925 INFO L85 PathProgramCache]: Analyzing trace with hash 344971506, now seen corresponding path program 1 times [2024-11-09 11:42:52,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:52,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345391036] [2024-11-09 11:42:52,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:52,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:53,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:53,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:42:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:53,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:42:53,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:53,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345391036] [2024-11-09 11:42:53,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345391036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:53,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:53,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:42:53,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849301326] [2024-11-09 11:42:53,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:53,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:42:53,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:53,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:42:53,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:42:53,041 INFO L87 Difference]: Start difference. First operand 108 states and 121 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:53,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:53,204 INFO L93 Difference]: Finished difference Result 117 states and 125 transitions. [2024-11-09 11:42:53,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:42:53,204 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-11-09 11:42:53,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:53,205 INFO L225 Difference]: With dead ends: 117 [2024-11-09 11:42:53,205 INFO L226 Difference]: Without dead ends: 116 [2024-11-09 11:42:53,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:42:53,206 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 18 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:53,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 214 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:42:53,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-09 11:42:53,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 109. [2024-11-09 11:42:53,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 77 states have (on average 1.5324675324675325) internal successors, (118), 105 states have internal predecessors, (118), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:42:53,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 122 transitions. [2024-11-09 11:42:53,214 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 122 transitions. Word has length 27 [2024-11-09 11:42:53,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:53,214 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 122 transitions. [2024-11-09 11:42:53,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:53,214 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 122 transitions. [2024-11-09 11:42:53,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 11:42:53,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:53,215 INFO L215 NwaCegarLoop]: trace histogram [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 11:42:53,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 11:42:53,215 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:42:53,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:53,216 INFO L85 PathProgramCache]: Analyzing trace with hash 2104182261, now seen corresponding path program 1 times [2024-11-09 11:42:53,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:53,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549153962] [2024-11-09 11:42:53,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:53,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:53,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1922705822] [2024-11-09 11:42:53,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:53,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:53,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:53,236 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 11:42:53,238 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 11:42:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:53,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:42:53,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:53,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:42:53,393 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:42:53,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:53,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549153962] [2024-11-09 11:42:53,393 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:53,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922705822] [2024-11-09 11:42:53,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922705822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:53,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:53,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:42:53,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612014769] [2024-11-09 11:42:53,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:53,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:42:53,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:53,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:42:53,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:42:53,398 INFO L87 Difference]: Start difference. First operand 109 states and 122 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:53,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:53,644 INFO L93 Difference]: Finished difference Result 117 states and 124 transitions. [2024-11-09 11:42:53,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:42:53,645 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-09 11:42:53,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:53,646 INFO L225 Difference]: With dead ends: 117 [2024-11-09 11:42:53,646 INFO L226 Difference]: Without dead ends: 116 [2024-11-09 11:42:53,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:42:53,647 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 19 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:53,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 184 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:42:53,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-09 11:42:53,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 110. [2024-11-09 11:42:53,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 78 states have (on average 1.5256410256410255) internal successors, (119), 106 states have internal predecessors, (119), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:42:53,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 123 transitions. [2024-11-09 11:42:53,654 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 123 transitions. Word has length 28 [2024-11-09 11:42:53,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:53,654 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 123 transitions. [2024-11-09 11:42:53,654 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 123 transitions. [2024-11-09 11:42:53,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 11:42:53,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:53,657 INFO L215 NwaCegarLoop]: trace histogram [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 11:42:53,673 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 11:42:53,857 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,SelfDestructingSolverStorable10 [2024-11-09 11:42:53,859 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:42:53,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:53,859 INFO L85 PathProgramCache]: Analyzing trace with hash 2084141952, now seen corresponding path program 1 times [2024-11-09 11:42:53,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:53,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555506021] [2024-11-09 11:42:53,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:53,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:53,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:53,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:42:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:53,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:42:53,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:53,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555506021] [2024-11-09 11:42:53,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555506021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:53,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:53,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:42:53,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801884240] [2024-11-09 11:42:53,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:53,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:42:53,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:53,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:42:53,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:42:53,900 INFO L87 Difference]: Start difference. First operand 110 states and 123 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:53,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:53,915 INFO L93 Difference]: Finished difference Result 110 states and 123 transitions. [2024-11-09 11:42:53,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:42:53,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-09 11:42:53,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:53,916 INFO L225 Difference]: With dead ends: 110 [2024-11-09 11:42:53,916 INFO L226 Difference]: Without dead ends: 109 [2024-11-09 11:42:53,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 11:42:53,917 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 2 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:53,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 146 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:42:53,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-09 11:42:53,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-09 11:42:53,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 78 states have (on average 1.5) internal successors, (117), 105 states have internal predecessors, (117), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:42:53,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 121 transitions. [2024-11-09 11:42:53,922 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 121 transitions. Word has length 28 [2024-11-09 11:42:53,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:53,923 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 121 transitions. [2024-11-09 11:42:53,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:53,923 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2024-11-09 11:42:53,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 11:42:53,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:53,923 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:42:53,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 11:42:53,924 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:42:53,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:53,924 INFO L85 PathProgramCache]: Analyzing trace with hash 805140820, now seen corresponding path program 1 times [2024-11-09 11:42:53,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:53,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466734035] [2024-11-09 11:42:53,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:53,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:53,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2142534670] [2024-11-09 11:42:53,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:53,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:53,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:53,938 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 11:42:53,939 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 11:42:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:53,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:42:53,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:54,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:42:54,006 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:42:54,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:54,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466734035] [2024-11-09 11:42:54,006 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:54,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142534670] [2024-11-09 11:42:54,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142534670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:54,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:54,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:42:54,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235542800] [2024-11-09 11:42:54,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:54,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:42:54,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:54,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:42:54,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:42:54,008 INFO L87 Difference]: Start difference. First operand 109 states and 121 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:54,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:54,092 INFO L93 Difference]: Finished difference Result 148 states and 171 transitions. [2024-11-09 11:42:54,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:42:54,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-09 11:42:54,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:54,093 INFO L225 Difference]: With dead ends: 148 [2024-11-09 11:42:54,093 INFO L226 Difference]: Without dead ends: 144 [2024-11-09 11:42:54,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 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 11:42:54,094 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 15 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:54,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 129 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:42:54,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-09 11:42:54,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 126. [2024-11-09 11:42:54,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 122 states have internal predecessors, (139), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:42:54,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 143 transitions. [2024-11-09 11:42:54,100 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 143 transitions. Word has length 29 [2024-11-09 11:42:54,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:54,100 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 143 transitions. [2024-11-09 11:42:54,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:54,100 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 143 transitions. [2024-11-09 11:42:54,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 11:42:54,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:54,101 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:42:54,117 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:42:54,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:54,302 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 11:42:54,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:54,302 INFO L85 PathProgramCache]: Analyzing trace with hash 183891223, now seen corresponding path program 1 times [2024-11-09 11:42:54,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:54,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59569152] [2024-11-09 11:42:54,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:54,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:54,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:54,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:42:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:54,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:42:54,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:54,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59569152] [2024-11-09 11:42:54,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59569152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:54,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:54,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:42:54,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938662870] [2024-11-09 11:42:54,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:54,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:42:54,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:54,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:42:54,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:42:54,395 INFO L87 Difference]: Start difference. First operand 126 states and 143 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:54,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:54,734 INFO L93 Difference]: Finished difference Result 138 states and 150 transitions. [2024-11-09 11:42:54,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:42:54,735 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-09 11:42:54,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:54,736 INFO L225 Difference]: With dead ends: 138 [2024-11-09 11:42:54,736 INFO L226 Difference]: Without dead ends: 137 [2024-11-09 11:42:54,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:42:54,736 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 138 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:54,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 190 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:42:54,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-09 11:42:54,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 129. [2024-11-09 11:42:54,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 98 states have (on average 1.4489795918367347) internal successors, (142), 125 states have internal predecessors, (142), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:42:54,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 146 transitions. [2024-11-09 11:42:54,743 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 146 transitions. Word has length 29 [2024-11-09 11:42:54,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:54,743 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 146 transitions. [2024-11-09 11:42:54,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:54,743 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 146 transitions. [2024-11-09 11:42:54,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 11:42:54,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:54,744 INFO L215 NwaCegarLoop]: trace histogram [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 11:42:54,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 11:42:54,744 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:42:54,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:54,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1405660770, now seen corresponding path program 1 times [2024-11-09 11:42:54,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:54,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698660986] [2024-11-09 11:42:54,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:54,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:54,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:54,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:42:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:54,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:42:54,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:54,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698660986] [2024-11-09 11:42:54,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698660986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:54,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:54,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:42:54,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858352741] [2024-11-09 11:42:54,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:54,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:42:54,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:54,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:42:54,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:42:54,796 INFO L87 Difference]: Start difference. First operand 129 states and 146 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:54,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:54,937 INFO L93 Difference]: Finished difference Result 146 states and 166 transitions. [2024-11-09 11:42:54,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:42:54,937 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2024-11-09 11:42:54,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:54,938 INFO L225 Difference]: With dead ends: 146 [2024-11-09 11:42:54,938 INFO L226 Difference]: Without dead ends: 144 [2024-11-09 11:42:54,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 11:42:54,941 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 14 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:54,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 193 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:42:54,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-09 11:42:54,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 139. [2024-11-09 11:42:54,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 108 states have (on average 1.4259259259259258) internal successors, (154), 135 states have internal predecessors, (154), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:42:54,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 158 transitions. [2024-11-09 11:42:54,949 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 158 transitions. Word has length 30 [2024-11-09 11:42:54,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:54,949 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 158 transitions. [2024-11-09 11:42:54,949 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:54,949 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 158 transitions. [2024-11-09 11:42:54,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 11:42:54,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:54,950 INFO L215 NwaCegarLoop]: trace histogram [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 11:42:54,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 11:42:54,950 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:42:54,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:54,950 INFO L85 PathProgramCache]: Analyzing trace with hash 646220214, now seen corresponding path program 1 times [2024-11-09 11:42:54,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:54,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898460187] [2024-11-09 11:42:54,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:54,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:55,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:55,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:42:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:55,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:42:55,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:55,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898460187] [2024-11-09 11:42:55,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898460187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:55,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:55,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:42:55,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393768221] [2024-11-09 11:42:55,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:55,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:42:55,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:55,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:42:55,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:42:55,056 INFO L87 Difference]: Start difference. First operand 139 states and 158 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:55,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:55,558 INFO L93 Difference]: Finished difference Result 153 states and 168 transitions. [2024-11-09 11:42:55,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:42:55,559 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-11-09 11:42:55,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:55,559 INFO L225 Difference]: With dead ends: 153 [2024-11-09 11:42:55,559 INFO L226 Difference]: Without dead ends: 152 [2024-11-09 11:42:55,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:42:55,560 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 18 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:55,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 266 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:42:55,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-09 11:42:55,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 144. [2024-11-09 11:42:55,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 113 states have (on average 1.424778761061947) internal successors, (161), 140 states have internal predecessors, (161), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:42:55,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 165 transitions. [2024-11-09 11:42:55,567 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 165 transitions. Word has length 31 [2024-11-09 11:42:55,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:55,567 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 165 transitions. [2024-11-09 11:42:55,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:55,567 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 165 transitions. [2024-11-09 11:42:55,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 11:42:55,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:55,568 INFO L215 NwaCegarLoop]: trace histogram [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 11:42:55,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 11:42:55,568 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:42:55,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:55,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1442009671, now seen corresponding path program 1 times [2024-11-09 11:42:55,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:55,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932967792] [2024-11-09 11:42:55,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:55,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:55,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [190008013] [2024-11-09 11:42:55,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:55,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:55,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:55,583 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 11:42:55,585 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 11:42:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:55,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:42:55,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:55,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:42:55,694 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:42:55,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:55,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932967792] [2024-11-09 11:42:55,694 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:55,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190008013] [2024-11-09 11:42:55,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190008013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:55,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:55,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:42:55,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705455253] [2024-11-09 11:42:55,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:55,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:42:55,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:55,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:42:55,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:42:55,696 INFO L87 Difference]: Start difference. First operand 144 states and 165 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:55,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:55,860 INFO L93 Difference]: Finished difference Result 152 states and 168 transitions. [2024-11-09 11:42:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:42:55,861 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-09 11:42:55,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:55,862 INFO L225 Difference]: With dead ends: 152 [2024-11-09 11:42:55,862 INFO L226 Difference]: Without dead ends: 151 [2024-11-09 11:42:55,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:42:55,863 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 41 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:55,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 216 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:42:55,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-09 11:42:55,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 146. [2024-11-09 11:42:55,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 115 states have (on average 1.4173913043478261) internal successors, (163), 142 states have internal predecessors, (163), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:42:55,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 167 transitions. [2024-11-09 11:42:55,870 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 167 transitions. Word has length 32 [2024-11-09 11:42:55,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:55,870 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 167 transitions. [2024-11-09 11:42:55,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:55,871 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 167 transitions. [2024-11-09 11:42:55,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 11:42:55,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:55,874 INFO L215 NwaCegarLoop]: trace histogram [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 11:42:55,891 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 11:42:56,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 11:42:56,075 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:42:56,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:56,075 INFO L85 PathProgramCache]: Analyzing trace with hash -915535868, now seen corresponding path program 1 times [2024-11-09 11:42:56,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:56,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937782525] [2024-11-09 11:42:56,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:56,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:56,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:56,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:42:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:56,162 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:42:56,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:56,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937782525] [2024-11-09 11:42:56,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937782525] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:56,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200441170] [2024-11-09 11:42:56,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:56,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:56,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:56,164 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 11:42:56,166 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 11:42:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:56,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:42:56,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:56,295 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:42:56,296 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:56,446 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:42:56,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200441170] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:42:56,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:42:56,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 21 [2024-11-09 11:42:56,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363128261] [2024-11-09 11:42:56,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:56,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 11:42:56,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:56,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 11:42:56,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=368, Unknown=0, NotChecked=0, Total=462 [2024-11-09 11:42:56,448 INFO L87 Difference]: Start difference. First operand 146 states and 167 transitions. Second operand has 22 states, 21 states have (on average 3.3333333333333335) internal successors, (70), 22 states have internal predecessors, (70), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:42:56,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:56,885 INFO L93 Difference]: Finished difference Result 263 states and 291 transitions. [2024-11-09 11:42:56,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 11:42:56,885 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.3333333333333335) internal successors, (70), 22 states have internal predecessors, (70), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 34 [2024-11-09 11:42:56,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:56,887 INFO L225 Difference]: With dead ends: 263 [2024-11-09 11:42:56,887 INFO L226 Difference]: Without dead ends: 261 [2024-11-09 11:42:56,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=390, Invalid=1502, Unknown=0, NotChecked=0, Total=1892 [2024-11-09 11:42:56,889 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 275 mSDsluCounter, 1179 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 1275 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:56,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 1275 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:42:56,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-09 11:42:56,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 178. [2024-11-09 11:42:56,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 147 states have (on average 1.380952380952381) internal successors, (203), 174 states have internal predecessors, (203), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:42:56,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 207 transitions. [2024-11-09 11:42:56,899 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 207 transitions. Word has length 34 [2024-11-09 11:42:56,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:56,899 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 207 transitions. [2024-11-09 11:42:56,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.3333333333333335) internal successors, (70), 22 states have internal predecessors, (70), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:42:56,900 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 207 transitions. [2024-11-09 11:42:56,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 11:42:56,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:56,900 INFO L215 NwaCegarLoop]: trace histogram [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 11:42:56,917 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 11:42:57,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 11:42:57,101 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 11:42:57,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:57,101 INFO L85 PathProgramCache]: Analyzing trace with hash -647174383, now seen corresponding path program 1 times [2024-11-09 11:42:57,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:57,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956575172] [2024-11-09 11:42:57,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:57,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:57,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:57,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:42:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:57,183 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:42:57,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:57,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956575172] [2024-11-09 11:42:57,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956575172] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:57,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052228572] [2024-11-09 11:42:57,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:57,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:57,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:57,186 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 11:42:57,189 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 11:42:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:57,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:42:57,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:57,297 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:42:57,297 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:42:57,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052228572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:57,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:57,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-09 11:42:57,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823510035] [2024-11-09 11:42:57,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:57,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:42:57,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:57,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:42:57,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:42:57,300 INFO L87 Difference]: Start difference. First operand 178 states and 207 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:57,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:57,406 INFO L93 Difference]: Finished difference Result 217 states and 244 transitions. [2024-11-09 11:42:57,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:42:57,407 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2024-11-09 11:42:57,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:57,408 INFO L225 Difference]: With dead ends: 217 [2024-11-09 11:42:57,408 INFO L226 Difference]: Without dead ends: 216 [2024-11-09 11:42:57,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:42:57,409 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 57 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:57,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 505 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:42:57,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-09 11:42:57,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 183. [2024-11-09 11:42:57,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 152 states have (on average 1.381578947368421) internal successors, (210), 179 states have internal predecessors, (210), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:42:57,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 214 transitions. [2024-11-09 11:42:57,417 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 214 transitions. Word has length 35 [2024-11-09 11:42:57,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:57,417 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 214 transitions. [2024-11-09 11:42:57,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:42:57,417 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 214 transitions. [2024-11-09 11:42:57,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 11:42:57,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:57,418 INFO L215 NwaCegarLoop]: trace histogram [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 11:42:57,432 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 11:42:57,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:57,619 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:42:57,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:57,619 INFO L85 PathProgramCache]: Analyzing trace with hash 835677494, now seen corresponding path program 1 times [2024-11-09 11:42:57,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:57,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239783412] [2024-11-09 11:42:57,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:57,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:57,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [758804750] [2024-11-09 11:42:57,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:57,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:57,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:57,631 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 11:42:57,632 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 11:42:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:57,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:42:57,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:57,863 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:42:57,864 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:58,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:58,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239783412] [2024-11-09 11:42:58,082 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:58,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758804750] [2024-11-09 11:42:58,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758804750] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:58,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:58,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:42:58,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962060208] [2024-11-09 11:42:58,082 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:58,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:42:58,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:58,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:42:58,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:42:58,084 INFO L87 Difference]: Start difference. First operand 183 states and 214 transitions. Second operand has 8 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:42:58,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:58,278 INFO L93 Difference]: Finished difference Result 269 states and 313 transitions. [2024-11-09 11:42:58,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:42:58,278 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2024-11-09 11:42:58,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:58,279 INFO L225 Difference]: With dead ends: 269 [2024-11-09 11:42:58,279 INFO L226 Difference]: Without dead ends: 268 [2024-11-09 11:42:58,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:42:58,280 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 207 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:58,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 261 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:42:58,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-09 11:42:58,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 193. [2024-11-09 11:42:58,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 162 states have (on average 1.382716049382716) internal successors, (224), 189 states have internal predecessors, (224), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:42:58,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 228 transitions. [2024-11-09 11:42:58,290 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 228 transitions. Word has length 37 [2024-11-09 11:42:58,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:58,290 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 228 transitions. [2024-11-09 11:42:58,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:42:58,290 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 228 transitions. [2024-11-09 11:42:58,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 11:42:58,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:58,291 INFO L215 NwaCegarLoop]: trace histogram [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 11:42:58,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:58,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:58,491 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:42:58,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:58,492 INFO L85 PathProgramCache]: Analyzing trace with hash 136198720, now seen corresponding path program 1 times [2024-11-09 11:42:58,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:58,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274121376] [2024-11-09 11:42:58,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:58,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:58,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2075588813] [2024-11-09 11:42:58,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:58,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:58,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:58,503 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 11:42:58,504 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 11:42:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:58,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:42:58,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:58,738 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:42:58,738 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:59,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:59,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274121376] [2024-11-09 11:42:59,573 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:59,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075588813] [2024-11-09 11:42:59,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075588813] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:59,573 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:59,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:42:59,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807973838] [2024-11-09 11:42:59,573 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:59,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:42:59,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:59,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:42:59,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:42:59,574 INFO L87 Difference]: Start difference. First operand 193 states and 228 transitions. Second operand has 8 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:42:59,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:59,851 INFO L93 Difference]: Finished difference Result 269 states and 312 transitions. [2024-11-09 11:42:59,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:42:59,852 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2024-11-09 11:42:59,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:59,853 INFO L225 Difference]: With dead ends: 269 [2024-11-09 11:42:59,853 INFO L226 Difference]: Without dead ends: 268 [2024-11-09 11:42:59,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:42:59,854 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 125 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:59,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 346 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:42:59,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-09 11:42:59,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 194. [2024-11-09 11:42:59,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 163 states have (on average 1.3803680981595092) internal successors, (225), 190 states have internal predecessors, (225), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:42:59,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 229 transitions. [2024-11-09 11:42:59,863 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 229 transitions. Word has length 38 [2024-11-09 11:42:59,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:59,863 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 229 transitions. [2024-11-09 11:42:59,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:42:59,863 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 229 transitions. [2024-11-09 11:42:59,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 11:42:59,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:59,864 INFO L215 NwaCegarLoop]: trace histogram [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 11:42:59,880 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 11:43:00,064 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,SelfDestructingSolverStorable20 [2024-11-09 11:43:00,065 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:43:00,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:00,065 INFO L85 PathProgramCache]: Analyzing trace with hash -72806792, now seen corresponding path program 1 times [2024-11-09 11:43:00,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:00,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745481380] [2024-11-09 11:43:00,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:00,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:00,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1680059951] [2024-11-09 11:43:00,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:00,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:00,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:00,076 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 11:43:00,077 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 11:43:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:00,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:43:00,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:00,329 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:43:00,329 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:43:05,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:05,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745481380] [2024-11-09 11:43:05,641 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:05,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680059951] [2024-11-09 11:43:05,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680059951] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:43:05,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:43:05,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:43:05,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20500879] [2024-11-09 11:43:05,642 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:43:05,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:43:05,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:05,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:43:05,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=112, Unknown=2, NotChecked=0, Total=156 [2024-11-09 11:43:05,643 INFO L87 Difference]: Start difference. First operand 194 states and 229 transitions. Second operand has 9 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:43:05,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:05,836 INFO L93 Difference]: Finished difference Result 277 states and 325 transitions. [2024-11-09 11:43:05,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:43:05,836 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 39 [2024-11-09 11:43:05,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:05,838 INFO L225 Difference]: With dead ends: 277 [2024-11-09 11:43:05,838 INFO L226 Difference]: Without dead ends: 276 [2024-11-09 11:43:05,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=42, Invalid=112, Unknown=2, NotChecked=0, Total=156 [2024-11-09 11:43:05,838 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 189 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:05,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 381 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:43:05,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-11-09 11:43:05,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 195. [2024-11-09 11:43:05,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 164 states have (on average 1.3780487804878048) internal successors, (226), 191 states have internal predecessors, (226), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:43:05,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 230 transitions. [2024-11-09 11:43:05,850 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 230 transitions. Word has length 39 [2024-11-09 11:43:05,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:05,850 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 230 transitions. [2024-11-09 11:43:05,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:43:05,851 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 230 transitions. [2024-11-09 11:43:05,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 11:43:05,851 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:05,851 INFO L215 NwaCegarLoop]: trace histogram [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 11:43:05,868 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 11:43:06,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:06,052 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:43:06,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:06,053 INFO L85 PathProgramCache]: Analyzing trace with hash 2037956930, now seen corresponding path program 1 times [2024-11-09 11:43:06,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:06,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835211868] [2024-11-09 11:43:06,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:06,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:06,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [617016748] [2024-11-09 11:43:06,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:06,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:06,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:06,071 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 11:43:06,075 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 11:43:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:06,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:43:06,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:06,320 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:43:06,321 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:43:13,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:13,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835211868] [2024-11-09 11:43:13,956 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:13,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617016748] [2024-11-09 11:43:13,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617016748] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:43:13,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:43:13,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:43:13,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805833291] [2024-11-09 11:43:13,956 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:43:13,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:43:13,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:13,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:43:13,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=112, Unknown=2, NotChecked=0, Total=156 [2024-11-09 11:43:13,958 INFO L87 Difference]: Start difference. First operand 195 states and 230 transitions. Second operand has 9 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:43:14,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:14,289 INFO L93 Difference]: Finished difference Result 277 states and 324 transitions. [2024-11-09 11:43:14,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:43:14,290 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2024-11-09 11:43:14,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:14,291 INFO L225 Difference]: With dead ends: 277 [2024-11-09 11:43:14,291 INFO L226 Difference]: Without dead ends: 276 [2024-11-09 11:43:14,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=53, Invalid=127, Unknown=2, NotChecked=0, Total=182 [2024-11-09 11:43:14,292 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 145 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:14,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 290 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:43:14,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-11-09 11:43:14,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 196. [2024-11-09 11:43:14,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 165 states have (on average 1.3757575757575757) internal successors, (227), 192 states have internal predecessors, (227), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:43:14,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 231 transitions. [2024-11-09 11:43:14,303 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 231 transitions. Word has length 40 [2024-11-09 11:43:14,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:14,303 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 231 transitions. [2024-11-09 11:43:14,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:43:14,303 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 231 transitions. [2024-11-09 11:43:14,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 11:43:14,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:14,304 INFO L215 NwaCegarLoop]: trace histogram [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 11:43:14,321 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 11:43:14,504 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,SelfDestructingSolverStorable22 [2024-11-09 11:43:14,505 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:43:14,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:14,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1247844422, now seen corresponding path program 1 times [2024-11-09 11:43:14,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:14,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350297942] [2024-11-09 11:43:14,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:14,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:14,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [857440687] [2024-11-09 11:43:14,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:14,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:14,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:14,518 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 11:43:14,519 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 11:43:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:14,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 11:43:14,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:14,765 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:43:14,766 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:43:28,687 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:43:28,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:28,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350297942] [2024-11-09 11:43:28,687 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:28,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857440687] [2024-11-09 11:43:28,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857440687] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:43:28,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:43:28,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-09 11:43:28,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67833122] [2024-11-09 11:43:28,688 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:43:28,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:43:28,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:28,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:43:28,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=140, Unknown=3, NotChecked=0, Total=182 [2024-11-09 11:43:28,689 INFO L87 Difference]: Start difference. First operand 196 states and 231 transitions. Second operand has 14 states, 13 states have (on average 4.923076923076923) internal successors, (64), 14 states have internal predecessors, (64), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:43:30,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:30,671 INFO L93 Difference]: Finished difference Result 271 states and 317 transitions. [2024-11-09 11:43:30,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 11:43:30,672 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.923076923076923) internal successors, (64), 14 states have internal predecessors, (64), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2024-11-09 11:43:30,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:30,673 INFO L225 Difference]: With dead ends: 271 [2024-11-09 11:43:30,674 INFO L226 Difference]: Without dead ends: 270 [2024-11-09 11:43:30,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=129, Invalid=420, Unknown=3, NotChecked=0, Total=552 [2024-11-09 11:43:30,674 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 437 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:30,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 406 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 11:43:30,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-09 11:43:30,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 203. [2024-11-09 11:43:30,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 172 states have (on average 1.372093023255814) internal successors, (236), 199 states have internal predecessors, (236), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:43:30,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 240 transitions. [2024-11-09 11:43:30,686 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 240 transitions. Word has length 41 [2024-11-09 11:43:30,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:30,687 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 240 transitions. [2024-11-09 11:43:30,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.923076923076923) internal successors, (64), 14 states have internal predecessors, (64), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:43:30,687 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 240 transitions. [2024-11-09 11:43:30,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 11:43:30,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:30,688 INFO L215 NwaCegarLoop]: trace histogram [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 11:43:30,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-09 11:43:30,888 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,SelfDestructingSolverStorable23 [2024-11-09 11:43:30,888 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:43:30,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:30,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1013654044, now seen corresponding path program 1 times [2024-11-09 11:43:30,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:30,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380649741] [2024-11-09 11:43:30,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:30,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:30,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1045309758] [2024-11-09 11:43:30,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:30,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:30,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:30,899 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 11:43:30,900 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 11:43:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:30,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:43:30,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:31,064 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:43:31,065 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:43:31,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:31,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380649741] [2024-11-09 11:43:31,065 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:31,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045309758] [2024-11-09 11:43:31,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045309758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:43:31,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:43:31,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:43:31,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139338048] [2024-11-09 11:43:31,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:43:31,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:43:31,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:31,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:43:31,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:43:31,067 INFO L87 Difference]: Start difference. First operand 203 states and 240 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:43:31,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:31,233 INFO L93 Difference]: Finished difference Result 209 states and 240 transitions. [2024-11-09 11:43:31,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:43:31,234 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2024-11-09 11:43:31,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:31,234 INFO L225 Difference]: With dead ends: 209 [2024-11-09 11:43:31,235 INFO L226 Difference]: Without dead ends: 207 [2024-11-09 11:43:31,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:43:31,235 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 38 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:31,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 224 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:43:31,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-09 11:43:31,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 203. [2024-11-09 11:43:31,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 172 states have (on average 1.3546511627906976) internal successors, (233), 199 states have internal predecessors, (233), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:43:31,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 237 transitions. [2024-11-09 11:43:31,247 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 237 transitions. Word has length 41 [2024-11-09 11:43:31,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:31,247 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 237 transitions. [2024-11-09 11:43:31,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:43:31,253 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 237 transitions. [2024-11-09 11:43:31,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 11:43:31,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:31,254 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:43:31,271 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 11:43:31,455 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,SelfDestructingSolverStorable24 [2024-11-09 11:43:31,457 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:43:31,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:31,458 INFO L85 PathProgramCache]: Analyzing trace with hash -28471228, now seen corresponding path program 1 times [2024-11-09 11:43:31,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:31,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628910196] [2024-11-09 11:43:31,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:31,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:31,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1959377669] [2024-11-09 11:43:31,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:31,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:31,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:31,470 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 11:43:31,471 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 11:43:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:31,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 11:43:31,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:31,693 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:43:31,693 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:43:44,558 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:43:44,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:44,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628910196] [2024-11-09 11:43:44,559 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:44,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959377669] [2024-11-09 11:43:44,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959377669] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:43:44,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:43:44,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2024-11-09 11:43:44,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353727468] [2024-11-09 11:43:44,559 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:43:44,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:43:44,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:44,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:43:44,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=136, Unknown=3, NotChecked=0, Total=182 [2024-11-09 11:43:44,561 INFO L87 Difference]: Start difference. First operand 203 states and 237 transitions. Second operand has 14 states, 13 states have (on average 5.384615384615385) internal successors, (70), 12 states have internal predecessors, (70), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 11:43:45,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:45,251 INFO L93 Difference]: Finished difference Result 274 states and 315 transitions. [2024-11-09 11:43:45,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:43:45,252 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.384615384615385) internal successors, (70), 12 states have internal predecessors, (70), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 42 [2024-11-09 11:43:45,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:45,253 INFO L225 Difference]: With dead ends: 274 [2024-11-09 11:43:45,253 INFO L226 Difference]: Without dead ends: 273 [2024-11-09 11:43:45,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=50, Invalid=157, Unknown=3, NotChecked=0, Total=210 [2024-11-09 11:43:45,254 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 340 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:45,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 534 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:43:45,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-09 11:43:45,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 205. [2024-11-09 11:43:45,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 174 states have (on average 1.3563218390804597) internal successors, (236), 201 states have internal predecessors, (236), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:43:45,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 240 transitions. [2024-11-09 11:43:45,274 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 240 transitions. Word has length 42 [2024-11-09 11:43:45,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:45,274 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 240 transitions. [2024-11-09 11:43:45,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.384615384615385) internal successors, (70), 12 states have internal predecessors, (70), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-09 11:43:45,274 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 240 transitions. [2024-11-09 11:43:45,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 11:43:45,275 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:45,275 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:43:45,292 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 11:43:45,479 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,SelfDestructingSolverStorable25 [2024-11-09 11:43:45,480 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:43:45,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:45,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1358504121, now seen corresponding path program 1 times [2024-11-09 11:43:45,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:45,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837766872] [2024-11-09 11:43:45,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:45,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:45,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [578667915] [2024-11-09 11:43:45,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:45,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:45,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:45,496 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 11:43:45,498 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 11:43:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:45,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:43:45,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:45,650 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:43:45,650 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:43:46,396 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:43:46,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:46,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837766872] [2024-11-09 11:43:46,397 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:46,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578667915] [2024-11-09 11:43:46,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578667915] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:43:46,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:43:46,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-09 11:43:46,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80881124] [2024-11-09 11:43:46,398 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:43:46,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:43:46,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:46,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:43:46,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:43:46,399 INFO L87 Difference]: Start difference. First operand 205 states and 240 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:43:46,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:46,994 INFO L93 Difference]: Finished difference Result 222 states and 251 transitions. [2024-11-09 11:43:46,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:43:46,995 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2024-11-09 11:43:46,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:46,996 INFO L225 Difference]: With dead ends: 222 [2024-11-09 11:43:46,996 INFO L226 Difference]: Without dead ends: 220 [2024-11-09 11:43:46,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:43:46,996 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 97 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:46,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 408 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:43:46,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-09 11:43:47,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 205. [2024-11-09 11:43:47,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 174 states have (on average 1.3448275862068966) internal successors, (234), 201 states have internal predecessors, (234), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:43:47,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 238 transitions. [2024-11-09 11:43:47,008 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 238 transitions. Word has length 42 [2024-11-09 11:43:47,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:47,008 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 238 transitions. [2024-11-09 11:43:47,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:43:47,008 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 238 transitions. [2024-11-09 11:43:47,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 11:43:47,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:47,009 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:43:47,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 11:43:47,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:47,214 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:43:47,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:47,214 INFO L85 PathProgramCache]: Analyzing trace with hash 655787440, now seen corresponding path program 1 times [2024-11-09 11:43:47,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:47,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369581329] [2024-11-09 11:43:47,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:47,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:47,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:43:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:47,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:43:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:47,257 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:43:47,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:47,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369581329] [2024-11-09 11:43:47,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369581329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:43:47,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:43:47,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:43:47,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509808787] [2024-11-09 11:43:47,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:43:47,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:43:47,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:47,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:43:47,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:43:47,259 INFO L87 Difference]: Start difference. First operand 205 states and 238 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:43:47,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:47,297 INFO L93 Difference]: Finished difference Result 310 states and 352 transitions. [2024-11-09 11:43:47,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:43:47,298 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2024-11-09 11:43:47,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:47,299 INFO L225 Difference]: With dead ends: 310 [2024-11-09 11:43:47,299 INFO L226 Difference]: Without dead ends: 155 [2024-11-09 11:43:47,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:43:47,301 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 24 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:47,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 315 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:43:47,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-09 11:43:47,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 151. [2024-11-09 11:43:47,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 124 states have (on average 1.314516129032258) internal successors, (163), 147 states have internal predecessors, (163), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:43:47,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 167 transitions. [2024-11-09 11:43:47,308 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 167 transitions. Word has length 42 [2024-11-09 11:43:47,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:47,308 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 167 transitions. [2024-11-09 11:43:47,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:43:47,309 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 167 transitions. [2024-11-09 11:43:47,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 11:43:47,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:47,309 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:43:47,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 11:43:47,310 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:43:47,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:47,310 INFO L85 PathProgramCache]: Analyzing trace with hash -882607876, now seen corresponding path program 1 times [2024-11-09 11:43:47,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:47,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328174970] [2024-11-09 11:43:47,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:47,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:47,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [23402126] [2024-11-09 11:43:47,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:47,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:47,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:47,320 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 11:43:47,323 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 11:43:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:47,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:43:47,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:47,540 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:43:47,540 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:43:47,744 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:43:47,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:47,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328174970] [2024-11-09 11:43:47,745 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:47,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23402126] [2024-11-09 11:43:47,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [23402126] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:43:47,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:43:47,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2024-11-09 11:43:47,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364466316] [2024-11-09 11:43:47,745 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:43:47,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:43:47,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:47,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:43:47,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:43:47,747 INFO L87 Difference]: Start difference. First operand 151 states and 167 transitions. Second operand has 12 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:43:47,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:47,983 INFO L93 Difference]: Finished difference Result 195 states and 218 transitions. [2024-11-09 11:43:47,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:43:47,984 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-11-09 11:43:47,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:47,985 INFO L225 Difference]: With dead ends: 195 [2024-11-09 11:43:47,985 INFO L226 Difference]: Without dead ends: 194 [2024-11-09 11:43:47,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:43:47,986 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 349 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:47,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 286 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:43:47,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-09 11:43:47,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 152. [2024-11-09 11:43:47,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 125 states have (on average 1.312) internal successors, (164), 148 states have internal predecessors, (164), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:43:47,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 168 transitions. [2024-11-09 11:43:47,993 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 168 transitions. Word has length 43 [2024-11-09 11:43:47,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:47,994 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 168 transitions. [2024-11-09 11:43:47,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:43:47,994 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 168 transitions. [2024-11-09 11:43:47,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 11:43:47,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:47,994 INFO L215 NwaCegarLoop]: trace histogram [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 11:43:48,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-09 11:43:48,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-09 11:43:48,198 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:43:48,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:48,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1591040186, now seen corresponding path program 1 times [2024-11-09 11:43:48,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:48,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028267253] [2024-11-09 11:43:48,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:48,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:48,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [440776466] [2024-11-09 11:43:48,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:48,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:48,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:48,222 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 11:43:48,236 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 11:43:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:48,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:43:48,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:48,438 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:43:48,438 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:43:49,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:49,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028267253] [2024-11-09 11:43:49,227 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:49,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440776466] [2024-11-09 11:43:49,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440776466] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:43:49,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:43:49,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:43:49,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548444814] [2024-11-09 11:43:49,227 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:43:49,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:43:49,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:49,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:43:49,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:43:49,228 INFO L87 Difference]: Start difference. First operand 152 states and 168 transitions. Second operand has 8 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:43:49,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:49,385 INFO L93 Difference]: Finished difference Result 195 states and 217 transitions. [2024-11-09 11:43:49,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:43:49,386 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 44 [2024-11-09 11:43:49,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:49,387 INFO L225 Difference]: With dead ends: 195 [2024-11-09 11:43:49,387 INFO L226 Difference]: Without dead ends: 194 [2024-11-09 11:43:49,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:43:49,388 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 193 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:49,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 258 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:43:49,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-09 11:43:49,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 153. [2024-11-09 11:43:49,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 126 states have (on average 1.3095238095238095) internal successors, (165), 149 states have internal predecessors, (165), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:43:49,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 169 transitions. [2024-11-09 11:43:49,396 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 169 transitions. Word has length 44 [2024-11-09 11:43:49,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:49,396 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 169 transitions. [2024-11-09 11:43:49,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:43:49,396 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 169 transitions. [2024-11-09 11:43:49,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 11:43:49,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:49,398 INFO L215 NwaCegarLoop]: trace histogram [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 11:43:49,414 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 11:43:49,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:49,599 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:43:49,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:49,599 INFO L85 PathProgramCache]: Analyzing trace with hash 147603241, now seen corresponding path program 1 times [2024-11-09 11:43:49,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:49,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781155575] [2024-11-09 11:43:49,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:49,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:49,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [966798078] [2024-11-09 11:43:49,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:49,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:49,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:49,609 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 11:43:49,611 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 11:43:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:49,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:43:49,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:49,830 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:43:49,830 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:43:49,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:49,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781155575] [2024-11-09 11:43:49,830 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:49,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966798078] [2024-11-09 11:43:49,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966798078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:43:49,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:43:49,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 11:43:49,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423293606] [2024-11-09 11:43:49,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:43:49,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:43:49,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:49,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:43:49,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:43:49,833 INFO L87 Difference]: Start difference. First operand 153 states and 169 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:43:50,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:43:50,076 INFO L93 Difference]: Finished difference Result 154 states and 169 transitions. [2024-11-09 11:43:50,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:43:50,077 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 44 [2024-11-09 11:43:50,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:43:50,077 INFO L225 Difference]: With dead ends: 154 [2024-11-09 11:43:50,077 INFO L226 Difference]: Without dead ends: 153 [2024-11-09 11:43:50,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:43:50,078 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 10 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:43:50,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 242 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:43:50,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-09 11:43:50,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2024-11-09 11:43:50,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 126 states have (on average 1.3015873015873016) internal successors, (164), 149 states have internal predecessors, (164), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:43:50,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 168 transitions. [2024-11-09 11:43:50,085 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 168 transitions. Word has length 44 [2024-11-09 11:43:50,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:43:50,086 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 168 transitions. [2024-11-09 11:43:50,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:43:50,086 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 168 transitions. [2024-11-09 11:43:50,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 11:43:50,087 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:43:50,087 INFO L215 NwaCegarLoop]: trace histogram [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 11:43:50,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-09 11:43:50,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:50,287 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:43:50,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:43:50,288 INFO L85 PathProgramCache]: Analyzing trace with hash -2077605314, now seen corresponding path program 1 times [2024-11-09 11:43:50,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:43:50,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501883370] [2024-11-09 11:43:50,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:50,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:43:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:43:50,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1265397761] [2024-11-09 11:43:50,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:43:50,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:43:50,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:43:50,298 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 11:43:50,302 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 11:43:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:43:50,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 11:43:50,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:43:50,647 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:43:50,647 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:43:59,591 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:43:59,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:43:59,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501883370] [2024-11-09 11:43:59,591 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:43:59,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265397761] [2024-11-09 11:43:59,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265397761] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:43:59,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:43:59,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-09 11:43:59,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104645748] [2024-11-09 11:43:59,592 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:43:59,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-09 11:43:59,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:43:59,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-09 11:43:59,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=207, Unknown=2, NotChecked=0, Total=272 [2024-11-09 11:43:59,593 INFO L87 Difference]: Start difference. First operand 153 states and 168 transitions. Second operand has 17 states, 14 states have (on average 5.5) internal successors, (77), 15 states have internal predecessors, (77), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:44:03,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 11:44:08,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 11:44:10,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:44:10,022 INFO L93 Difference]: Finished difference Result 190 states and 215 transitions. [2024-11-09 11:44:10,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:44:10,022 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 5.5) internal successors, (77), 15 states have internal predecessors, (77), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2024-11-09 11:44:10,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:44:10,023 INFO L225 Difference]: With dead ends: 190 [2024-11-09 11:44:10,023 INFO L226 Difference]: Without dead ends: 188 [2024-11-09 11:44:10,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=82, Invalid=258, Unknown=2, NotChecked=0, Total=342 [2024-11-09 11:44:10,024 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 313 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:44:10,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 353 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 425 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2024-11-09 11:44:10,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-09 11:44:10,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 147. [2024-11-09 11:44:10,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 120 states have (on average 1.2916666666666667) internal successors, (155), 143 states have internal predecessors, (155), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:44:10,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 159 transitions. [2024-11-09 11:44:10,034 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 159 transitions. Word has length 45 [2024-11-09 11:44:10,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:44:10,034 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 159 transitions. [2024-11-09 11:44:10,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 5.5) internal successors, (77), 15 states have internal predecessors, (77), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:44:10,035 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 159 transitions. [2024-11-09 11:44:10,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 11:44:10,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:44:10,035 INFO L215 NwaCegarLoop]: trace histogram [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 11:44:10,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-09 11:44:10,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:10,236 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:44:10,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:44:10,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1184211711, now seen corresponding path program 1 times [2024-11-09 11:44:10,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:44:10,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975943210] [2024-11-09 11:44:10,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:10,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:44:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:10,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:44:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:10,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:44:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:10,401 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:44:10,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:10,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975943210] [2024-11-09 11:44:10,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975943210] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:44:10,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370635799] [2024-11-09 11:44:10,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:10,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:10,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:44:10,404 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 11:44:10,405 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 11:44:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:10,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:44:10,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:44:10,545 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:44:10,545 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:44:10,630 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:44:10,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370635799] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:44:10,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:44:10,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 8] total 12 [2024-11-09 11:44:10,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435024953] [2024-11-09 11:44:10,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:44:10,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:44:10,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:10,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:44:10,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:44:10,631 INFO L87 Difference]: Start difference. First operand 147 states and 159 transitions. Second operand has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:44:11,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:44:11,114 INFO L93 Difference]: Finished difference Result 296 states and 323 transitions. [2024-11-09 11:44:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 11:44:11,115 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2024-11-09 11:44:11,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:44:11,115 INFO L225 Difference]: With dead ends: 296 [2024-11-09 11:44:11,115 INFO L226 Difference]: Without dead ends: 205 [2024-11-09 11:44:11,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 82 SyntacticMatches, 5 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:44:11,116 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 124 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:44:11,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 426 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:44:11,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-09 11:44:11,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 173. [2024-11-09 11:44:11,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 146 states have (on average 1.273972602739726) internal successors, (186), 169 states have internal predecessors, (186), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:44:11,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 190 transitions. [2024-11-09 11:44:11,125 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 190 transitions. Word has length 45 [2024-11-09 11:44:11,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:44:11,126 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 190 transitions. [2024-11-09 11:44:11,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:44:11,126 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 190 transitions. [2024-11-09 11:44:11,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 11:44:11,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:44:11,126 INFO L215 NwaCegarLoop]: trace histogram [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 11:44:11,143 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 11:44:11,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:11,327 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:44:11,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:44:11,327 INFO L85 PathProgramCache]: Analyzing trace with hash 18744904, now seen corresponding path program 1 times [2024-11-09 11:44:11,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:44:11,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565420701] [2024-11-09 11:44:11,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:11,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:44:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:44:11,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1626960715] [2024-11-09 11:44:11,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:11,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:11,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:44:11,338 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 11:44:11,340 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 11:44:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:11,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 11:44:11,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:44:11,797 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:44:11,797 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:44:12,510 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:44:12,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:12,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565420701] [2024-11-09 11:44:12,510 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:44:12,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626960715] [2024-11-09 11:44:12,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626960715] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:44:12,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:44:12,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2024-11-09 11:44:12,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630292679] [2024-11-09 11:44:12,511 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:44:12,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 11:44:12,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:12,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 11:44:12,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:44:12,513 INFO L87 Difference]: Start difference. First operand 173 states and 190 transitions. Second operand has 16 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:44:14,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:44:14,284 INFO L93 Difference]: Finished difference Result 183 states and 203 transitions. [2024-11-09 11:44:14,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:44:14,284 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) Word has length 46 [2024-11-09 11:44:14,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:44:14,285 INFO L225 Difference]: With dead ends: 183 [2024-11-09 11:44:14,285 INFO L226 Difference]: Without dead ends: 182 [2024-11-09 11:44:14,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:44:14,286 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 320 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:44:14,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 378 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 11:44:14,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-09 11:44:14,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 174. [2024-11-09 11:44:14,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 147 states have (on average 1.272108843537415) internal successors, (187), 170 states have internal predecessors, (187), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:44:14,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 191 transitions. [2024-11-09 11:44:14,296 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 191 transitions. Word has length 46 [2024-11-09 11:44:14,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:44:14,296 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 191 transitions. [2024-11-09 11:44:14,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:44:14,296 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 191 transitions. [2024-11-09 11:44:14,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 11:44:14,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:44:14,297 INFO L215 NwaCegarLoop]: trace histogram [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 11:44:14,310 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 11:44:14,500 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,SelfDestructingSolverStorable33 [2024-11-09 11:44:14,501 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:44:14,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:44:14,501 INFO L85 PathProgramCache]: Analyzing trace with hash 581092224, now seen corresponding path program 1 times [2024-11-09 11:44:14,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:44:14,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253408634] [2024-11-09 11:44:14,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:14,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:44:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:44:14,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2033619791] [2024-11-09 11:44:14,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:14,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:14,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:44:14,513 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 11:44:14,514 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 11:44:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:14,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:44:14,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:44:14,870 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:44:14,870 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:44:15,504 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:44:15,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:15,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253408634] [2024-11-09 11:44:15,504 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:44:15,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033619791] [2024-11-09 11:44:15,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033619791] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:44:15,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:44:15,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2024-11-09 11:44:15,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337245637] [2024-11-09 11:44:15,505 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:44:15,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 11:44:15,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:15,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 11:44:15,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:44:15,506 INFO L87 Difference]: Start difference. First operand 174 states and 191 transitions. Second operand has 16 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:44:16,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:44:16,831 INFO L93 Difference]: Finished difference Result 325 states and 372 transitions. [2024-11-09 11:44:16,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 11:44:16,831 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 47 [2024-11-09 11:44:16,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:44:16,832 INFO L225 Difference]: With dead ends: 325 [2024-11-09 11:44:16,832 INFO L226 Difference]: Without dead ends: 322 [2024-11-09 11:44:16,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=139, Invalid=367, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:44:16,833 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 577 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:44:16,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 469 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 11:44:16,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-09 11:44:16,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 264. [2024-11-09 11:44:16,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 237 states have (on average 1.3417721518987342) internal successors, (318), 260 states have internal predecessors, (318), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:44:16,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 322 transitions. [2024-11-09 11:44:16,846 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 322 transitions. Word has length 47 [2024-11-09 11:44:16,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:44:16,846 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 322 transitions. [2024-11-09 11:44:16,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:44:16,846 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 322 transitions. [2024-11-09 11:44:16,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 11:44:16,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:44:16,846 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:44:16,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-09 11:44:17,047 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,SelfDestructingSolverStorable34 [2024-11-09 11:44:17,047 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:44:17,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:44:17,047 INFO L85 PathProgramCache]: Analyzing trace with hash -798318687, now seen corresponding path program 1 times [2024-11-09 11:44:17,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:44:17,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475773387] [2024-11-09 11:44:17,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:17,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:44:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:17,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:44:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:17,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:44:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:17,219 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:44:17,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:17,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475773387] [2024-11-09 11:44:17,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475773387] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:44:17,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083343370] [2024-11-09 11:44:17,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:17,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:17,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:44:17,222 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 11:44:17,234 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 11:44:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:17,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:44:17,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:44:17,368 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:44:17,368 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:44:17,551 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:44:17,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083343370] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:44:17,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:44:17,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 26 [2024-11-09 11:44:17,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879757126] [2024-11-09 11:44:17,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:44:17,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 11:44:17,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:17,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 11:44:17,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=574, Unknown=0, NotChecked=0, Total=702 [2024-11-09 11:44:17,552 INFO L87 Difference]: Start difference. First operand 264 states and 322 transitions. Second operand has 27 states, 26 states have (on average 4.1923076923076925) internal successors, (109), 27 states have internal predecessors, (109), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:44:17,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:44:17,923 INFO L93 Difference]: Finished difference Result 361 states and 437 transitions. [2024-11-09 11:44:17,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-09 11:44:17,924 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.1923076923076925) internal successors, (109), 27 states have internal predecessors, (109), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 47 [2024-11-09 11:44:17,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:44:17,925 INFO L225 Difference]: With dead ends: 361 [2024-11-09 11:44:17,925 INFO L226 Difference]: Without dead ends: 360 [2024-11-09 11:44:17,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=466, Invalid=1696, Unknown=0, NotChecked=0, Total=2162 [2024-11-09 11:44:17,926 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 368 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:44:17,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 790 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:44:17,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-09 11:44:17,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 253. [2024-11-09 11:44:17,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 227 states have (on average 1.3259911894273129) internal successors, (301), 249 states have internal predecessors, (301), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:44:17,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 305 transitions. [2024-11-09 11:44:17,939 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 305 transitions. Word has length 47 [2024-11-09 11:44:17,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:44:17,939 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 305 transitions. [2024-11-09 11:44:17,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.1923076923076925) internal successors, (109), 27 states have internal predecessors, (109), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:44:17,939 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 305 transitions. [2024-11-09 11:44:17,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 11:44:17,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:44:17,940 INFO L215 NwaCegarLoop]: trace histogram [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 11:44:17,956 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 11:44:18,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:18,141 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:44:18,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:44:18,141 INFO L85 PathProgramCache]: Analyzing trace with hash 833989962, now seen corresponding path program 1 times [2024-11-09 11:44:18,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:44:18,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270572252] [2024-11-09 11:44:18,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:18,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:44:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:44:18,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [70687846] [2024-11-09 11:44:18,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:44:18,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:44:18,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:44:18,157 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 11:44:18,158 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 11:44:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:44:18,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:44:18,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:44:18,435 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:44:18,435 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:44:19,522 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:44:19,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:44:19,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270572252] [2024-11-09 11:44:19,522 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:44:19,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70687846] [2024-11-09 11:44:19,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70687846] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:44:19,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:44:19,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2024-11-09 11:44:19,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454825617] [2024-11-09 11:44:19,523 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:44:19,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 11:44:19,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:44:19,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 11:44:19,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:44:19,524 INFO L87 Difference]: Start difference. First operand 253 states and 305 transitions. Second operand has 16 states, 14 states have (on average 5.928571428571429) internal successors, (83), 14 states have internal predecessors, (83), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4)