./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.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/egcd2-ll_unwindbound100.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 30672bd579b7f25ffa685cb80d8a419cb542781c19afe0226ba5d9d3cf26984c --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:41:10,295 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:41:10,391 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:41:10,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:41:10,395 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:41:10,418 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:41:10,418 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:41:10,419 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:41:10,420 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:41:10,420 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:41:10,420 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:41:10,420 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:41:10,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:41:10,425 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:41:10,425 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:41:10,425 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:41:10,426 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:41:10,426 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:41:10,426 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:41:10,426 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:41:10,426 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:41:10,427 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:41:10,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:41:10,430 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:41:10,430 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:41:10,430 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:41:10,430 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:41:10,431 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:41:10,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:41:10,431 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:41:10,431 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:41:10,432 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:41:10,432 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:41:10,432 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:41:10,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:41:10,432 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:41:10,433 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:41:10,433 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:41:10,433 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:41:10,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:41:10,434 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:41:10,434 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:41:10,435 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:41:10,435 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:41:10,436 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30672bd579b7f25ffa685cb80d8a419cb542781c19afe0226ba5d9d3cf26984c [2024-11-09 11:41:10,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:41:10,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:41:10,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:41:10,708 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:41:10,709 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:41:10,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.c [2024-11-09 11:41:12,145 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:41:12,338 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:41:12,340 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.c [2024-11-09 11:41:12,349 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11d3dfa53/e0123809c5e744ab98859bb8b3070e6e/FLAGe5203491a [2024-11-09 11:41:12,366 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11d3dfa53/e0123809c5e744ab98859bb8b3070e6e [2024-11-09 11:41:12,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:41:12,371 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:41:12,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:41:12,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:41:12,380 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:41:12,380 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:41:12" (1/1) ... [2024-11-09 11:41:12,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1abefec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:12, skipping insertion in model container [2024-11-09 11:41:12,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:41:12" (1/1) ... [2024-11-09 11:41:12,405 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:41:12,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:41:12,635 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:41:12,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:41:12,680 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:41:12,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:12 WrapperNode [2024-11-09 11:41:12,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:41:12,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:41:12,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:41:12,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:41:12,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:12" (1/1) ... [2024-11-09 11:41:12,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:12" (1/1) ... [2024-11-09 11:41:12,726 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 160 [2024-11-09 11:41:12,727 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:41:12,727 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:41:12,728 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:41:12,728 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:41:12,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:12" (1/1) ... [2024-11-09 11:41:12,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:12" (1/1) ... [2024-11-09 11:41:12,742 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:12" (1/1) ... [2024-11-09 11:41:12,763 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 11:41:12,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:12" (1/1) ... [2024-11-09 11:41:12,764 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:12" (1/1) ... [2024-11-09 11:41:12,771 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:12" (1/1) ... [2024-11-09 11:41:12,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:12" (1/1) ... [2024-11-09 11:41:12,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:12" (1/1) ... [2024-11-09 11:41:12,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:12" (1/1) ... [2024-11-09 11:41:12,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:41:12,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:41:12,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:41:12,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:41:12,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:12" (1/1) ... [2024-11-09 11:41:12,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:41:12,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:12,821 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 11:41:12,823 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 11:41:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:41:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 11:41:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 11:41:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:41:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:41:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:41:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:41:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:41:12,942 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:41:12,945 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:41:13,791 INFO L? ?]: Removed 200 outVars from TransFormulas that were not future-live. [2024-11-09 11:41:13,792 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:41:13,811 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:41:13,811 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 11:41:13,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:41:13 BoogieIcfgContainer [2024-11-09 11:41:13,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:41:13,814 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:41:13,814 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:41:13,817 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:41:13,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:41:12" (1/3) ... [2024-11-09 11:41:13,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e60adb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:41:13, skipping insertion in model container [2024-11-09 11:41:13,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:12" (2/3) ... [2024-11-09 11:41:13,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e60adb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:41:13, skipping insertion in model container [2024-11-09 11:41:13,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:41:13" (3/3) ... [2024-11-09 11:41:13,820 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd2-ll_unwindbound100.c [2024-11-09 11:41:13,836 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:41:13,836 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 68 error locations. [2024-11-09 11:41:13,911 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:41:13,920 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;@97261f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:41:13,920 INFO L334 AbstractCegarLoop]: Starting to check reachability of 68 error locations. [2024-11-09 11:41:13,925 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 89 states have (on average 1.853932584269663) internal successors, (165), 158 states have internal predecessors, (165), 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 11:41:13,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 11:41:13,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:13,931 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:13,932 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:13,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:13,936 INFO L85 PathProgramCache]: Analyzing trace with hash -863715224, now seen corresponding path program 1 times [2024-11-09 11:41:13,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:13,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562315362] [2024-11-09 11:41:13,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:13,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:14,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:14,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:14,092 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 11:41:14,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:14,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562315362] [2024-11-09 11:41:14,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562315362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:14,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:14,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:41:14,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896330010] [2024-11-09 11:41:14,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:14,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 11:41:14,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:14,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 11:41:14,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:41:14,125 INFO L87 Difference]: Start difference. First operand has 170 states, 89 states have (on average 1.853932584269663) internal successors, (165), 158 states have internal predecessors, (165), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 11:41:14,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:14,191 INFO L93 Difference]: Finished difference Result 335 states and 375 transitions. [2024-11-09 11:41:14,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 11:41:14,193 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 14 [2024-11-09 11:41:14,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:14,225 INFO L225 Difference]: With dead ends: 335 [2024-11-09 11:41:14,225 INFO L226 Difference]: Without dead ends: 162 [2024-11-09 11:41:14,230 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 11:41:14,235 INFO L432 NwaCegarLoop]: 179 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, 179 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 11:41:14,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:41:14,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-09 11:41:14,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-11-09 11:41:14,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 84 states have (on average 1.8333333333333333) internal successors, (154), 151 states have internal predecessors, (154), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 11:41:14,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 172 transitions. [2024-11-09 11:41:14,289 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 172 transitions. Word has length 14 [2024-11-09 11:41:14,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:14,289 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 172 transitions. [2024-11-09 11:41:14,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 11:41:14,290 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 172 transitions. [2024-11-09 11:41:14,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 11:41:14,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:14,291 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:14,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:41:14,292 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:14,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:14,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1254895192, now seen corresponding path program 1 times [2024-11-09 11:41:14,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:14,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842020393] [2024-11-09 11:41:14,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:14,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:14,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [645329378] [2024-11-09 11:41:14,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:14,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:14,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:14,348 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 11:41:14,349 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 11:41:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:14,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:41:14,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:14,542 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 11:41:14,543 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:14,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:14,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842020393] [2024-11-09 11:41:14,544 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:14,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645329378] [2024-11-09 11:41:14,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645329378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:14,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:14,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 11:41:14,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500486943] [2024-11-09 11:41:14,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:14,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:41:14,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:14,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:41:14,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:41:14,550 INFO L87 Difference]: Start difference. First operand 162 states and 172 transitions. Second operand has 7 states, 4 states have (on average 1.75) internal successors, (7), 6 states have internal predecessors, (7), 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 11:41:14,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:14,941 INFO L93 Difference]: Finished difference Result 162 states and 172 transitions. [2024-11-09 11:41:14,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:41:14,942 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 1.75) internal successors, (7), 6 states have internal predecessors, (7), 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) Word has length 14 [2024-11-09 11:41:14,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:14,944 INFO L225 Difference]: With dead ends: 162 [2024-11-09 11:41:14,944 INFO L226 Difference]: Without dead ends: 160 [2024-11-09 11:41:14,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:41:14,946 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 220 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:14,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 256 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:41:14,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-09 11:41:14,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2024-11-09 11:41:14,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 84 states have (on average 1.8095238095238095) internal successors, (152), 149 states have internal predecessors, (152), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 11:41:14,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 170 transitions. [2024-11-09 11:41:14,960 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 170 transitions. Word has length 14 [2024-11-09 11:41:14,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:14,961 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 170 transitions. [2024-11-09 11:41:14,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 1.75) internal successors, (7), 6 states have internal predecessors, (7), 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 11:41:14,962 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 170 transitions. [2024-11-09 11:41:14,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 11:41:14,962 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:14,962 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:14,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:15,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:15,164 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:15,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:15,165 INFO L85 PathProgramCache]: Analyzing trace with hash -247045249, now seen corresponding path program 1 times [2024-11-09 11:41:15,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:15,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171069226] [2024-11-09 11:41:15,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:15,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:15,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1280375931] [2024-11-09 11:41:15,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:15,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:15,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:15,186 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 11:41:15,188 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 11:41:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:15,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:41:15,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:15,317 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 11:41:15,318 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:15,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:15,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171069226] [2024-11-09 11:41:15,319 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:15,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280375931] [2024-11-09 11:41:15,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280375931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:15,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:15,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:41:15,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8428033] [2024-11-09 11:41:15,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:15,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:41:15,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:15,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:41:15,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:41:15,324 INFO L87 Difference]: Start difference. First operand 160 states and 170 transitions. Second operand has 6 states, 4 states have (on average 2.75) internal successors, (11), 6 states have internal predecessors, (11), 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 11:41:15,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:15,793 INFO L93 Difference]: Finished difference Result 160 states and 170 transitions. [2024-11-09 11:41:15,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:41:15,794 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.75) internal successors, (11), 6 states have internal predecessors, (11), 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 15 [2024-11-09 11:41:15,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:15,796 INFO L225 Difference]: With dead ends: 160 [2024-11-09 11:41:15,796 INFO L226 Difference]: Without dead ends: 159 [2024-11-09 11:41:15,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:41:15,797 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 206 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:15,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 256 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:41:15,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-09 11:41:15,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-11-09 11:41:15,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 84 states have (on average 1.7976190476190477) internal successors, (151), 148 states have internal predecessors, (151), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 11:41:15,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 169 transitions. [2024-11-09 11:41:15,810 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 169 transitions. Word has length 15 [2024-11-09 11:41:15,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:15,810 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 169 transitions. [2024-11-09 11:41:15,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.75) internal successors, (11), 6 states have internal predecessors, (11), 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 11:41:15,811 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 169 transitions. [2024-11-09 11:41:15,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 11:41:15,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:15,812 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:15,830 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 11:41:16,013 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,SelfDestructingSolverStorable2 [2024-11-09 11:41:16,014 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:16,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:16,015 INFO L85 PathProgramCache]: Analyzing trace with hash -403184857, now seen corresponding path program 1 times [2024-11-09 11:41:16,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:16,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127874028] [2024-11-09 11:41:16,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:16,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:16,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:16,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:16,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:16,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:16,150 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:16,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:16,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127874028] [2024-11-09 11:41:16,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127874028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:16,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:16,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:41:16,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875179322] [2024-11-09 11:41:16,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:16,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:16,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:16,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:16,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:16,153 INFO L87 Difference]: Start difference. First operand 159 states and 169 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:41:16,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:16,189 INFO L93 Difference]: Finished difference Result 200 states and 211 transitions. [2024-11-09 11:41:16,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:16,189 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2024-11-09 11:41:16,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:16,191 INFO L225 Difference]: With dead ends: 200 [2024-11-09 11:41:16,191 INFO L226 Difference]: Without dead ends: 199 [2024-11-09 11:41:16,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:41:16,192 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 48 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:16,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 469 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:41:16,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-09 11:41:16,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 175. [2024-11-09 11:41:16,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 98 states have (on average 1.7755102040816326) internal successors, (174), 162 states have internal predecessors, (174), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:41:16,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 194 transitions. [2024-11-09 11:41:16,211 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 194 transitions. Word has length 29 [2024-11-09 11:41:16,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:16,212 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 194 transitions. [2024-11-09 11:41:16,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:41:16,212 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 194 transitions. [2024-11-09 11:41:16,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 11:41:16,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:16,213 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:16,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 11:41:16,213 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:16,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:16,214 INFO L85 PathProgramCache]: Analyzing trace with hash 386171375, now seen corresponding path program 1 times [2024-11-09 11:41:16,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:16,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577308622] [2024-11-09 11:41:16,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:16,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:16,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:16,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:16,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:16,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:16,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:16,353 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:16,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:16,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577308622] [2024-11-09 11:41:16,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577308622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:16,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:16,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:41:16,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263857744] [2024-11-09 11:41:16,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:16,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:16,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:16,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:16,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:16,360 INFO L87 Difference]: Start difference. First operand 175 states and 194 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:41:16,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:16,393 INFO L93 Difference]: Finished difference Result 205 states and 222 transitions. [2024-11-09 11:41:16,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:41:16,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2024-11-09 11:41:16,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:16,396 INFO L225 Difference]: With dead ends: 205 [2024-11-09 11:41:16,396 INFO L226 Difference]: Without dead ends: 175 [2024-11-09 11:41:16,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:41:16,398 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 10 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:16,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 472 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:41:16,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-09 11:41:16,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2024-11-09 11:41:16,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 98 states have (on average 1.7551020408163265) internal successors, (172), 162 states have internal predecessors, (172), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:41:16,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 192 transitions. [2024-11-09 11:41:16,411 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 192 transitions. Word has length 30 [2024-11-09 11:41:16,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:16,412 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 192 transitions. [2024-11-09 11:41:16,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:41:16,412 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 192 transitions. [2024-11-09 11:41:16,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 11:41:16,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:16,413 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:16,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 11:41:16,414 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:16,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:16,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1785894546, now seen corresponding path program 1 times [2024-11-09 11:41:16,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:16,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496991898] [2024-11-09 11:41:16,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:16,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:16,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:16,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:16,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:16,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:16,615 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:41:16,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:16,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496991898] [2024-11-09 11:41:16,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496991898] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:16,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752419220] [2024-11-09 11:41:16,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:16,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:16,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:16,627 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 11:41:16,628 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 11:41:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:16,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:41:16,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:16,735 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:16,735 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:16,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752419220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:16,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:16,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-11-09 11:41:16,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128696895] [2024-11-09 11:41:16,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:16,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:41:16,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:16,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:41:16,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:16,741 INFO L87 Difference]: Start difference. First operand 175 states and 192 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (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 11:41:17,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:17,185 INFO L93 Difference]: Finished difference Result 277 states and 309 transitions. [2024-11-09 11:41:17,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:41:17,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (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 33 [2024-11-09 11:41:17,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:17,187 INFO L225 Difference]: With dead ends: 277 [2024-11-09 11:41:17,187 INFO L226 Difference]: Without dead ends: 267 [2024-11-09 11:41:17,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:17,188 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 95 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:17,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 234 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:41:17,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-11-09 11:41:17,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 227. [2024-11-09 11:41:17,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 146 states have (on average 1.7534246575342465) internal successors, (256), 210 states have internal predecessors, (256), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:41:17,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 284 transitions. [2024-11-09 11:41:17,210 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 284 transitions. Word has length 33 [2024-11-09 11:41:17,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:17,210 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 284 transitions. [2024-11-09 11:41:17,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (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 11:41:17,211 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 284 transitions. [2024-11-09 11:41:17,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 11:41:17,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:17,212 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:17,229 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 11:41:17,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:17,417 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:17,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:17,417 INFO L85 PathProgramCache]: Analyzing trace with hash 471842102, now seen corresponding path program 1 times [2024-11-09 11:41:17,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:17,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905827901] [2024-11-09 11:41:17,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:17,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:17,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:17,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:17,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:17,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:17,523 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:17,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:17,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905827901] [2024-11-09 11:41:17,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905827901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:17,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:17,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:41:17,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525924259] [2024-11-09 11:41:17,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:17,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:41:17,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:17,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:41:17,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:41:17,525 INFO L87 Difference]: Start difference. First operand 227 states and 284 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:41:17,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:17,592 INFO L93 Difference]: Finished difference Result 227 states and 284 transitions. [2024-11-09 11:41:17,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:41:17,593 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2024-11-09 11:41:17,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:17,594 INFO L225 Difference]: With dead ends: 227 [2024-11-09 11:41:17,595 INFO L226 Difference]: Without dead ends: 225 [2024-11-09 11:41:17,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 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 11:41:17,597 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 157 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:17,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 472 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:41:17,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-09 11:41:17,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2024-11-09 11:41:17,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 146 states have (on average 1.7328767123287672) internal successors, (253), 208 states have internal predecessors, (253), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:41:17,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 281 transitions. [2024-11-09 11:41:17,616 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 281 transitions. Word has length 34 [2024-11-09 11:41:17,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:17,617 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 281 transitions. [2024-11-09 11:41:17,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:41:17,618 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 281 transitions. [2024-11-09 11:41:17,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 11:41:17,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:17,619 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:17,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 11:41:17,620 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:17,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:17,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1742265904, now seen corresponding path program 1 times [2024-11-09 11:41:17,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:17,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554807384] [2024-11-09 11:41:17,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:17,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:17,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:17,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:17,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:17,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:17,728 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:41:17,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:17,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554807384] [2024-11-09 11:41:17,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554807384] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:17,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659036293] [2024-11-09 11:41:17,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:17,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:17,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:17,731 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 11:41:17,734 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 11:41:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:17,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:17,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:17,880 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:17,881 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:17,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659036293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:17,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:17,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:41:17,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175120876] [2024-11-09 11:41:17,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:17,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:17,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:17,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:17,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:17,882 INFO L87 Difference]: Start difference. First operand 225 states and 281 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (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 11:41:18,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:18,250 INFO L93 Difference]: Finished difference Result 255 states and 304 transitions. [2024-11-09 11:41:18,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:18,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (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 35 [2024-11-09 11:41:18,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:18,253 INFO L225 Difference]: With dead ends: 255 [2024-11-09 11:41:18,253 INFO L226 Difference]: Without dead ends: 252 [2024-11-09 11:41:18,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:18,253 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 281 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:18,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 170 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:41:18,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-09 11:41:18,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 225. [2024-11-09 11:41:18,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 146 states have (on average 1.7123287671232876) internal successors, (250), 208 states have internal predecessors, (250), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:41:18,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 278 transitions. [2024-11-09 11:41:18,265 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 278 transitions. Word has length 35 [2024-11-09 11:41:18,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:18,265 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 278 transitions. [2024-11-09 11:41:18,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (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 11:41:18,265 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 278 transitions. [2024-11-09 11:41:18,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 11:41:18,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:18,266 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:18,283 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 11:41:18,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:18,471 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:18,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:18,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1742203347, now seen corresponding path program 1 times [2024-11-09 11:41:18,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:18,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975388976] [2024-11-09 11:41:18,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:18,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:18,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:18,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:18,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:18,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:18,536 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:18,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:18,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975388976] [2024-11-09 11:41:18,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975388976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:18,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:18,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:41:18,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135565510] [2024-11-09 11:41:18,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:18,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:41:18,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:18,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:41:18,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:41:18,541 INFO L87 Difference]: Start difference. First operand 225 states and 278 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:41:18,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:18,606 INFO L93 Difference]: Finished difference Result 389 states and 447 transitions. [2024-11-09 11:41:18,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:41:18,607 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2024-11-09 11:41:18,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:18,608 INFO L225 Difference]: With dead ends: 389 [2024-11-09 11:41:18,609 INFO L226 Difference]: Without dead ends: 244 [2024-11-09 11:41:18,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 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 11:41:18,611 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 44 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:18,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 640 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:41:18,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-09 11:41:18,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 229. [2024-11-09 11:41:18,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 150 states have (on average 1.6933333333333334) internal successors, (254), 212 states have internal predecessors, (254), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:41:18,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 282 transitions. [2024-11-09 11:41:18,628 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 282 transitions. Word has length 35 [2024-11-09 11:41:18,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:18,628 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 282 transitions. [2024-11-09 11:41:18,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:41:18,629 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 282 transitions. [2024-11-09 11:41:18,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 11:41:18,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:18,630 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:18,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 11:41:18,630 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:18,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:18,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1824331626, now seen corresponding path program 1 times [2024-11-09 11:41:18,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:18,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421508095] [2024-11-09 11:41:18,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:18,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:18,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:18,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:18,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:18,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:18,729 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:41:18,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:18,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421508095] [2024-11-09 11:41:18,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421508095] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:18,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323335132] [2024-11-09 11:41:18,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:18,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:18,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:18,732 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 11:41:18,733 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 11:41:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:18,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:41:18,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:18,851 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:18,852 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:18,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323335132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:18,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:18,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:41:18,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032028577] [2024-11-09 11:41:18,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:18,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:18,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:18,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:18,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:18,854 INFO L87 Difference]: Start difference. First operand 229 states and 282 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 11:41:19,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:19,384 INFO L93 Difference]: Finished difference Result 243 states and 293 transitions. [2024-11-09 11:41:19,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:19,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 36 [2024-11-09 11:41:19,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:19,386 INFO L225 Difference]: With dead ends: 243 [2024-11-09 11:41:19,386 INFO L226 Difference]: Without dead ends: 242 [2024-11-09 11:41:19,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:19,387 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 63 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:19,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 223 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:41:19,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-09 11:41:19,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 229. [2024-11-09 11:41:19,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 150 states have (on average 1.6866666666666668) internal successors, (253), 212 states have internal predecessors, (253), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:41:19,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 281 transitions. [2024-11-09 11:41:19,402 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 281 transitions. Word has length 36 [2024-11-09 11:41:19,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:19,402 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 281 transitions. [2024-11-09 11:41:19,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 11:41:19,403 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 281 transitions. [2024-11-09 11:41:19,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 11:41:19,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:19,404 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:19,420 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 11:41:19,607 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,SelfDestructingSolverStorable9 [2024-11-09 11:41:19,608 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:19,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:19,608 INFO L85 PathProgramCache]: Analyzing trace with hash -719705358, now seen corresponding path program 1 times [2024-11-09 11:41:19,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:19,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208831538] [2024-11-09 11:41:19,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:19,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:19,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:19,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:19,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:19,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:19,696 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:41:19,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:19,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208831538] [2024-11-09 11:41:19,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208831538] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:19,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463660341] [2024-11-09 11:41:19,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:19,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:19,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:19,698 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 11:41:19,699 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 11:41:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:19,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:19,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:19,793 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:19,793 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:19,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463660341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:19,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:19,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:41:19,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252493770] [2024-11-09 11:41:19,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:19,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:19,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:19,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:19,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:19,795 INFO L87 Difference]: Start difference. First operand 229 states and 281 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (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 11:41:21,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:21,004 INFO L93 Difference]: Finished difference Result 287 states and 323 transitions. [2024-11-09 11:41:21,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:21,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (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 37 [2024-11-09 11:41:21,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:21,006 INFO L225 Difference]: With dead ends: 287 [2024-11-09 11:41:21,006 INFO L226 Difference]: Without dead ends: 285 [2024-11-09 11:41:21,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:21,007 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 156 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:21,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 255 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 11:41:21,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-09 11:41:21,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 229. [2024-11-09 11:41:21,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 150 states have (on average 1.6733333333333333) internal successors, (251), 212 states have internal predecessors, (251), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:41:21,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 279 transitions. [2024-11-09 11:41:21,020 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 279 transitions. Word has length 37 [2024-11-09 11:41:21,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:21,021 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 279 transitions. [2024-11-09 11:41:21,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (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 11:41:21,021 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 279 transitions. [2024-11-09 11:41:21,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 11:41:21,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:21,024 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:21,042 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 11:41:21,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:21,225 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:21,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:21,227 INFO L85 PathProgramCache]: Analyzing trace with hash -779826475, now seen corresponding path program 1 times [2024-11-09 11:41:21,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:21,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583632618] [2024-11-09 11:41:21,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:21,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:21,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [992415540] [2024-11-09 11:41:21,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:21,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:21,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:21,244 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 11:41:21,245 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 11:41:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:41:21,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:21,307 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:21,308 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:21,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:21,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583632618] [2024-11-09 11:41:21,309 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:21,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992415540] [2024-11-09 11:41:21,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992415540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:21,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:21,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:41:21,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463396261] [2024-11-09 11:41:21,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:21,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:41:21,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:21,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:41:21,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:41:21,311 INFO L87 Difference]: Start difference. First operand 229 states and 279 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:41:21,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:21,417 INFO L93 Difference]: Finished difference Result 378 states and 476 transitions. [2024-11-09 11:41:21,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:41:21,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 37 [2024-11-09 11:41:21,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:21,421 INFO L225 Difference]: With dead ends: 378 [2024-11-09 11:41:21,421 INFO L226 Difference]: Without dead ends: 370 [2024-11-09 11:41:21,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:41:21,422 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 85 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:21,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 286 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:41:21,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-09 11:41:21,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 330. [2024-11-09 11:41:21,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.699588477366255) internal successors, (413), 305 states have internal predecessors, (413), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 11:41:21,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 457 transitions. [2024-11-09 11:41:21,441 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 457 transitions. Word has length 37 [2024-11-09 11:41:21,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:21,442 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 457 transitions. [2024-11-09 11:41:21,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:41:21,443 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 457 transitions. [2024-11-09 11:41:21,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 11:41:21,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:21,444 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:21,462 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 11:41:21,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:21,645 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:21,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:21,646 INFO L85 PathProgramCache]: Analyzing trace with hash -836029416, now seen corresponding path program 1 times [2024-11-09 11:41:21,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:21,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370357185] [2024-11-09 11:41:21,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:21,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,736 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:41:21,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:21,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370357185] [2024-11-09 11:41:21,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370357185] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:21,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104171977] [2024-11-09 11:41:21,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:21,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:21,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:21,739 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 11:41:21,746 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 11:41:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:21,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:21,919 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:21,919 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:21,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104171977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:21,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:21,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:41:21,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862401324] [2024-11-09 11:41:21,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:21,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:21,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:21,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:21,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:21,921 INFO L87 Difference]: Start difference. First operand 330 states and 457 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (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 11:41:23,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:23,524 INFO L93 Difference]: Finished difference Result 377 states and 479 transitions. [2024-11-09 11:41:23,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:23,524 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (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 38 [2024-11-09 11:41:23,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:23,526 INFO L225 Difference]: With dead ends: 377 [2024-11-09 11:41:23,526 INFO L226 Difference]: Without dead ends: 373 [2024-11-09 11:41:23,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:23,527 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 104 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:23,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 300 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 11:41:23,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-09 11:41:23,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 330. [2024-11-09 11:41:23,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.6748971193415638) internal successors, (407), 305 states have internal predecessors, (407), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 11:41:23,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 451 transitions. [2024-11-09 11:41:23,542 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 451 transitions. Word has length 38 [2024-11-09 11:41:23,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:23,542 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 451 transitions. [2024-11-09 11:41:23,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (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 11:41:23,543 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 451 transitions. [2024-11-09 11:41:23,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 11:41:23,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:23,543 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:23,557 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 11:41:23,746 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,SelfDestructingSolverStorable12 [2024-11-09 11:41:23,746 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:23,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:23,747 INFO L85 PathProgramCache]: Analyzing trace with hash -2088930345, now seen corresponding path program 1 times [2024-11-09 11:41:23,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:23,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780692772] [2024-11-09 11:41:23,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:23,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:23,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:23,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:23,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:23,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:23,886 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:41:23,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:23,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780692772] [2024-11-09 11:41:23,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780692772] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:23,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116402321] [2024-11-09 11:41:23,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:23,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:23,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:23,889 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 11:41:23,890 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 11:41:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:23,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:41:23,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:24,021 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:24,022 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:24,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116402321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:24,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:24,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-09 11:41:24,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922318751] [2024-11-09 11:41:24,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:24,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:41:24,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:24,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:41:24,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:41:24,024 INFO L87 Difference]: Start difference. First operand 330 states and 451 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 11:41:24,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:24,889 INFO L93 Difference]: Finished difference Result 394 states and 463 transitions. [2024-11-09 11:41:24,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:41:24,890 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 39 [2024-11-09 11:41:24,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:24,891 INFO L225 Difference]: With dead ends: 394 [2024-11-09 11:41:24,891 INFO L226 Difference]: Without dead ends: 393 [2024-11-09 11:41:24,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:41:24,892 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 437 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:24,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 323 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:41:24,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-09 11:41:24,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 330. [2024-11-09 11:41:24,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.6707818930041152) internal successors, (406), 305 states have internal predecessors, (406), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 11:41:24,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 450 transitions. [2024-11-09 11:41:24,908 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 450 transitions. Word has length 39 [2024-11-09 11:41:24,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:24,908 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 450 transitions. [2024-11-09 11:41:24,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 11:41:24,909 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 450 transitions. [2024-11-09 11:41:24,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 11:41:24,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:24,909 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:24,926 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 11:41:25,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 11:41:25,110 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:25,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:25,111 INFO L85 PathProgramCache]: Analyzing trace with hash -332331169, now seen corresponding path program 1 times [2024-11-09 11:41:25,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:25,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813271972] [2024-11-09 11:41:25,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:25,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:25,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1906429103] [2024-11-09 11:41:25,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:25,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:25,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:25,125 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 11:41:25,128 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 11:41:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:25,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:41:25,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:25,221 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:25,221 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:25,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:25,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813271972] [2024-11-09 11:41:25,221 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:25,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906429103] [2024-11-09 11:41:25,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906429103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:25,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:25,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:41:25,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815097401] [2024-11-09 11:41:25,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:25,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:41:25,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:25,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:41:25,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:41:25,223 INFO L87 Difference]: Start difference. First operand 330 states and 450 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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 11:41:25,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:25,874 INFO L93 Difference]: Finished difference Result 394 states and 462 transitions. [2024-11-09 11:41:25,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:41:25,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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 40 [2024-11-09 11:41:25,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:25,877 INFO L225 Difference]: With dead ends: 394 [2024-11-09 11:41:25,877 INFO L226 Difference]: Without dead ends: 393 [2024-11-09 11:41:25,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:25,878 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 442 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:25,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 317 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:41:25,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-09 11:41:25,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 330. [2024-11-09 11:41:25,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.6666666666666667) internal successors, (405), 305 states have internal predecessors, (405), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 11:41:25,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 449 transitions. [2024-11-09 11:41:25,895 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 449 transitions. Word has length 40 [2024-11-09 11:41:25,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:25,895 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 449 transitions. [2024-11-09 11:41:25,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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 11:41:25,895 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 449 transitions. [2024-11-09 11:41:25,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 11:41:25,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:25,896 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:25,913 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 11:41:26,096 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,SelfDestructingSolverStorable14 [2024-11-09 11:41:26,097 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:26,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:26,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1088285335, now seen corresponding path program 1 times [2024-11-09 11:41:26,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:26,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151947407] [2024-11-09 11:41:26,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:26,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:26,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:26,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:26,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:26,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:26,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 11:41:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:26,192 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:41:26,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:26,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151947407] [2024-11-09 11:41:26,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151947407] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:26,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842302996] [2024-11-09 11:41:26,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:26,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:26,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:26,194 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 11:41:26,195 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 11:41:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:26,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:26,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:26,334 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:26,334 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:26,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [842302996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:26,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:26,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:41:26,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349914547] [2024-11-09 11:41:26,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:26,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:26,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:26,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:26,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:26,339 INFO L87 Difference]: Start difference. First operand 330 states and 449 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:41:26,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:26,726 INFO L93 Difference]: Finished difference Result 359 states and 461 transitions. [2024-11-09 11:41:26,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:26,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2024-11-09 11:41:26,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:26,729 INFO L225 Difference]: With dead ends: 359 [2024-11-09 11:41:26,729 INFO L226 Difference]: Without dead ends: 357 [2024-11-09 11:41:26,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:26,730 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 184 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:26,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 228 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:41:26,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-09 11:41:26,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 331. [2024-11-09 11:41:26,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 244 states have (on average 1.6557377049180328) internal successors, (404), 305 states have internal predecessors, (404), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 11:41:26,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 448 transitions. [2024-11-09 11:41:26,745 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 448 transitions. Word has length 44 [2024-11-09 11:41:26,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:26,745 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 448 transitions. [2024-11-09 11:41:26,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:41:26,746 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 448 transitions. [2024-11-09 11:41:26,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 11:41:26,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:26,747 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:26,764 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 11:41:26,948 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,SelfDestructingSolverStorable15 [2024-11-09 11:41:26,948 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:26,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:26,950 INFO L85 PathProgramCache]: Analyzing trace with hash 622893190, now seen corresponding path program 1 times [2024-11-09 11:41:26,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:26,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677044625] [2024-11-09 11:41:26,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:26,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:27,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:27,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:27,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:27,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:27,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 11:41:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:27,039 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:41:27,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:27,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677044625] [2024-11-09 11:41:27,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677044625] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:27,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040320] [2024-11-09 11:41:27,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:27,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:27,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:27,044 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 11:41:27,045 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 11:41:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:27,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:27,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:27,171 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:27,171 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:27,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:27,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:27,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:41:27,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589096777] [2024-11-09 11:41:27,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:27,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:27,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:27,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:27,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:27,173 INFO L87 Difference]: Start difference. First operand 331 states and 448 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:41:27,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:27,510 INFO L93 Difference]: Finished difference Result 359 states and 458 transitions. [2024-11-09 11:41:27,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:27,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2024-11-09 11:41:27,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:27,513 INFO L225 Difference]: With dead ends: 359 [2024-11-09 11:41:27,513 INFO L226 Difference]: Without dead ends: 357 [2024-11-09 11:41:27,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:27,514 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 255 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:27,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 212 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:41:27,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-09 11:41:27,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 332. [2024-11-09 11:41:27,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 245 states have (on average 1.6448979591836734) internal successors, (403), 306 states have internal predecessors, (403), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 11:41:27,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 447 transitions. [2024-11-09 11:41:27,533 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 447 transitions. Word has length 45 [2024-11-09 11:41:27,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:27,533 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 447 transitions. [2024-11-09 11:41:27,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:41:27,534 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 447 transitions. [2024-11-09 11:41:27,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 11:41:27,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:27,534 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:27,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:27,735 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,SelfDestructingSolverStorable16 [2024-11-09 11:41:27,735 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:27,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:27,736 INFO L85 PathProgramCache]: Analyzing trace with hash 2129819915, now seen corresponding path program 1 times [2024-11-09 11:41:27,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:27,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860200060] [2024-11-09 11:41:27,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:27,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:27,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:27,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:27,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:27,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:27,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 11:41:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:27,831 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:41:27,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:27,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860200060] [2024-11-09 11:41:27,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860200060] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:27,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799611865] [2024-11-09 11:41:27,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:27,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:27,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:27,834 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 11:41:27,835 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 11:41:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:27,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:41:27,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:27,912 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:27,913 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:27,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799611865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:27,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:27,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-11-09 11:41:27,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279831390] [2024-11-09 11:41:27,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:27,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:41:27,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:27,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:41:27,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:41:27,915 INFO L87 Difference]: Start difference. First operand 332 states and 447 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:41:28,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:28,113 INFO L93 Difference]: Finished difference Result 373 states and 465 transitions. [2024-11-09 11:41:28,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:41:28,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2024-11-09 11:41:28,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:28,115 INFO L225 Difference]: With dead ends: 373 [2024-11-09 11:41:28,115 INFO L226 Difference]: Without dead ends: 369 [2024-11-09 11:41:28,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:41:28,116 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 81 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:28,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 298 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:41:28,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-09 11:41:28,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 334. [2024-11-09 11:41:28,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 247 states have (on average 1.6234817813765183) internal successors, (401), 308 states have internal predecessors, (401), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 11:41:28,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 445 transitions. [2024-11-09 11:41:28,130 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 445 transitions. Word has length 46 [2024-11-09 11:41:28,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:28,130 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 445 transitions. [2024-11-09 11:41:28,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:41:28,130 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 445 transitions. [2024-11-09 11:41:28,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 11:41:28,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:28,131 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:28,148 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 11:41:28,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 11:41:28,332 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:28,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:28,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1942455123, now seen corresponding path program 1 times [2024-11-09 11:41:28,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:28,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873564297] [2024-11-09 11:41:28,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:28,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:28,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:28,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:28,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:28,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:28,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 11:41:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:28,414 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:41:28,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:28,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873564297] [2024-11-09 11:41:28,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873564297] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:28,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238833842] [2024-11-09 11:41:28,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:28,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:28,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:28,418 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 11:41:28,419 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 11:41:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:28,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:28,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:28,516 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:28,516 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:28,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238833842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:28,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:28,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:41:28,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875182092] [2024-11-09 11:41:28,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:28,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:28,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:28,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:28,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:28,518 INFO L87 Difference]: Start difference. First operand 334 states and 445 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:41:29,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:29,172 INFO L93 Difference]: Finished difference Result 371 states and 459 transitions. [2024-11-09 11:41:29,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:29,172 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 48 [2024-11-09 11:41:29,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:29,174 INFO L225 Difference]: With dead ends: 371 [2024-11-09 11:41:29,174 INFO L226 Difference]: Without dead ends: 369 [2024-11-09 11:41:29,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:29,175 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 88 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:29,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 385 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:41:29,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-09 11:41:29,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 335. [2024-11-09 11:41:29,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 248 states have (on average 1.6129032258064515) internal successors, (400), 309 states have internal predecessors, (400), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 11:41:29,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 444 transitions. [2024-11-09 11:41:29,188 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 444 transitions. Word has length 48 [2024-11-09 11:41:29,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:29,189 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 444 transitions. [2024-11-09 11:41:29,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:41:29,189 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 444 transitions. [2024-11-09 11:41:29,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 11:41:29,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:29,190 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:29,206 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-09 11:41:29,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:29,391 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:29,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:29,391 INFO L85 PathProgramCache]: Analyzing trace with hash -86566454, now seen corresponding path program 1 times [2024-11-09 11:41:29,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:29,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784135793] [2024-11-09 11:41:29,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:29,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:29,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:29,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:29,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:29,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:29,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 11:41:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:29,474 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:41:29,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:29,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784135793] [2024-11-09 11:41:29,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784135793] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:29,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402033920] [2024-11-09 11:41:29,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:29,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:29,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:29,476 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 11:41:29,478 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 11:41:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:29,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:29,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:29,682 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:29,682 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:29,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1402033920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:29,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:29,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:41:29,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078234492] [2024-11-09 11:41:29,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:29,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:29,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:29,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:29,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:29,685 INFO L87 Difference]: Start difference. First operand 335 states and 444 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:41:30,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:30,093 INFO L93 Difference]: Finished difference Result 371 states and 456 transitions. [2024-11-09 11:41:30,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:30,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2024-11-09 11:41:30,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:30,095 INFO L225 Difference]: With dead ends: 371 [2024-11-09 11:41:30,095 INFO L226 Difference]: Without dead ends: 352 [2024-11-09 11:41:30,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:30,096 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 140 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:30,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 313 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:41:30,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-09 11:41:30,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 319. [2024-11-09 11:41:30,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.6367521367521367) internal successors, (383), 295 states have internal predecessors, (383), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:30,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 425 transitions. [2024-11-09 11:41:30,108 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 425 transitions. Word has length 49 [2024-11-09 11:41:30,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:30,109 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 425 transitions. [2024-11-09 11:41:30,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:41:30,109 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 425 transitions. [2024-11-09 11:41:30,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 11:41:30,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:30,109 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:30,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 11:41:30,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:30,310 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:30,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:30,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1104239039, now seen corresponding path program 1 times [2024-11-09 11:41:30,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:30,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036973412] [2024-11-09 11:41:30,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:30,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:30,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1431074527] [2024-11-09 11:41:30,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:30,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:30,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:30,328 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 11:41:30,330 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 11:41:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:30,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:30,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:30,470 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:41:30,470 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:30,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:30,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036973412] [2024-11-09 11:41:30,471 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:30,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431074527] [2024-11-09 11:41:30,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431074527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:30,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:30,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:41:30,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775574226] [2024-11-09 11:41:30,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:30,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:30,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:30,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:30,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:30,473 INFO L87 Difference]: Start difference. First operand 319 states and 425 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:41:30,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:30,856 INFO L93 Difference]: Finished difference Result 344 states and 446 transitions. [2024-11-09 11:41:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:30,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 60 [2024-11-09 11:41:30,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:30,858 INFO L225 Difference]: With dead ends: 344 [2024-11-09 11:41:30,858 INFO L226 Difference]: Without dead ends: 343 [2024-11-09 11:41:30,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 57 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 11:41:30,858 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 170 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:30,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 186 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:41:30,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-09 11:41:30,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 319. [2024-11-09 11:41:30,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.6324786324786325) internal successors, (382), 295 states have internal predecessors, (382), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:30,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 424 transitions. [2024-11-09 11:41:30,873 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 424 transitions. Word has length 60 [2024-11-09 11:41:30,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:30,873 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 424 transitions. [2024-11-09 11:41:30,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:41:30,873 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 424 transitions. [2024-11-09 11:41:30,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 11:41:30,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:30,875 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:30,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-09 11:41:31,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:31,075 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:31,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:31,076 INFO L85 PathProgramCache]: Analyzing trace with hash -344936540, now seen corresponding path program 1 times [2024-11-09 11:41:31,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:31,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959143589] [2024-11-09 11:41:31,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:31,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:31,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1617236366] [2024-11-09 11:41:31,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:31,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:31,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:31,089 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 11:41:31,090 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 11:41:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:31,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:41:31,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:31,323 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:41:31,323 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:31,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:31,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959143589] [2024-11-09 11:41:31,323 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:31,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617236366] [2024-11-09 11:41:31,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617236366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:31,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:31,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:41:31,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151369574] [2024-11-09 11:41:31,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:31,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:31,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:31,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:31,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:31,325 INFO L87 Difference]: Start difference. First operand 319 states and 424 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:31,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:31,560 INFO L93 Difference]: Finished difference Result 346 states and 445 transitions. [2024-11-09 11:41:31,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:31,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 70 [2024-11-09 11:41:31,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:31,564 INFO L225 Difference]: With dead ends: 346 [2024-11-09 11:41:31,564 INFO L226 Difference]: Without dead ends: 345 [2024-11-09 11:41:31,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 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 11:41:31,565 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 92 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:31,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 238 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:41:31,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-09 11:41:31,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 319. [2024-11-09 11:41:31,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.623931623931624) internal successors, (380), 295 states have internal predecessors, (380), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:31,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 422 transitions. [2024-11-09 11:41:31,584 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 422 transitions. Word has length 70 [2024-11-09 11:41:31,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:31,585 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 422 transitions. [2024-11-09 11:41:31,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:31,585 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 422 transitions. [2024-11-09 11:41:31,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 11:41:31,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:31,586 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:31,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-09 11:41:31,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:31,786 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:31,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:31,787 INFO L85 PathProgramCache]: Analyzing trace with hash -2103098027, now seen corresponding path program 1 times [2024-11-09 11:41:31,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:31,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9795795] [2024-11-09 11:41:31,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:31,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:31,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1196654929] [2024-11-09 11:41:31,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:31,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:31,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:31,802 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 11:41:31,803 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 11:41:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:31,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:41:31,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:33,032 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:41:33,032 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:33,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:33,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9795795] [2024-11-09 11:41:33,032 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:33,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196654929] [2024-11-09 11:41:33,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196654929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:33,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:33,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:41:33,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119589535] [2024-11-09 11:41:33,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:33,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:33,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:33,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:33,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-09 11:41:33,034 INFO L87 Difference]: Start difference. First operand 319 states and 422 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:37,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:41:38,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:38,433 INFO L93 Difference]: Finished difference Result 346 states and 443 transitions. [2024-11-09 11:41:38,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:38,433 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 71 [2024-11-09 11:41:38,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:38,435 INFO L225 Difference]: With dead ends: 346 [2024-11-09 11:41:38,435 INFO L226 Difference]: Without dead ends: 345 [2024-11-09 11:41:38,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-09 11:41:38,436 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 45 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:38,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 342 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 147 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2024-11-09 11:41:38,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-09 11:41:38,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 319. [2024-11-09 11:41:38,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.6153846153846154) internal successors, (378), 295 states have internal predecessors, (378), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:38,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 420 transitions. [2024-11-09 11:41:38,452 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 420 transitions. Word has length 71 [2024-11-09 11:41:38,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:38,453 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 420 transitions. [2024-11-09 11:41:38,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:38,453 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 420 transitions. [2024-11-09 11:41:38,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 11:41:38,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:38,454 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:38,472 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 11:41:38,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:38,655 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:38,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:38,655 INFO L85 PathProgramCache]: Analyzing trace with hash -771529274, now seen corresponding path program 1 times [2024-11-09 11:41:38,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:38,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529231809] [2024-11-09 11:41:38,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:38,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:38,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [413330277] [2024-11-09 11:41:38,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:38,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:38,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:38,678 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 11:41:38,680 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 11:41:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:38,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:38,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:38,815 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:41:38,815 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:38,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:38,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529231809] [2024-11-09 11:41:38,816 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:38,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413330277] [2024-11-09 11:41:38,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413330277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:38,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:38,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:41:38,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855170042] [2024-11-09 11:41:38,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:38,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:38,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:38,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:38,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:38,818 INFO L87 Difference]: Start difference. First operand 319 states and 420 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:39,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:39,222 INFO L93 Difference]: Finished difference Result 339 states and 431 transitions. [2024-11-09 11:41:39,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:39,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 72 [2024-11-09 11:41:39,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:39,224 INFO L225 Difference]: With dead ends: 339 [2024-11-09 11:41:39,224 INFO L226 Difference]: Without dead ends: 337 [2024-11-09 11:41:39,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:39,224 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 98 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:39,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 282 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:41:39,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-09 11:41:39,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 319. [2024-11-09 11:41:39,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5982905982905984) internal successors, (374), 295 states have internal predecessors, (374), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:39,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 416 transitions. [2024-11-09 11:41:39,243 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 416 transitions. Word has length 72 [2024-11-09 11:41:39,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:39,243 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 416 transitions. [2024-11-09 11:41:39,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:39,244 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 416 transitions. [2024-11-09 11:41:39,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 11:41:39,244 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:39,244 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:39,261 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 11:41:39,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:39,445 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:39,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:39,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1852396407, now seen corresponding path program 1 times [2024-11-09 11:41:39,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:39,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260101885] [2024-11-09 11:41:39,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:39,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:39,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [674753979] [2024-11-09 11:41:39,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:39,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:39,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:39,467 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 11:41:39,468 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 11:41:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:39,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:39,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:39,660 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:41:39,661 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:39,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:39,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260101885] [2024-11-09 11:41:39,661 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:39,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674753979] [2024-11-09 11:41:39,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674753979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:39,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:39,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:41:39,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817040380] [2024-11-09 11:41:39,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:39,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:39,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:39,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:39,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:39,662 INFO L87 Difference]: Start difference. First operand 319 states and 416 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:40,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:40,444 INFO L93 Difference]: Finished difference Result 339 states and 427 transitions. [2024-11-09 11:41:40,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:40,445 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 73 [2024-11-09 11:41:40,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:40,446 INFO L225 Difference]: With dead ends: 339 [2024-11-09 11:41:40,446 INFO L226 Difference]: Without dead ends: 337 [2024-11-09 11:41:40,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:40,447 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 60 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:40,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 348 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:41:40,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-09 11:41:40,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 319. [2024-11-09 11:41:40,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5811965811965811) internal successors, (370), 295 states have internal predecessors, (370), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:40,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 412 transitions. [2024-11-09 11:41:40,460 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 412 transitions. Word has length 73 [2024-11-09 11:41:40,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:40,461 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 412 transitions. [2024-11-09 11:41:40,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:40,461 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 412 transitions. [2024-11-09 11:41:40,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 11:41:40,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:40,462 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:40,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:40,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-09 11:41:40,662 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:40,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:40,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1614968788, now seen corresponding path program 1 times [2024-11-09 11:41:40,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:40,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206314758] [2024-11-09 11:41:40,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:40,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:40,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1852360041] [2024-11-09 11:41:40,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:40,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:40,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:40,676 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 11:41:40,678 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 11:41:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:40,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:41:40,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:40,883 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 11:41:40,883 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:41,100 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 11:41:41,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:41,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206314758] [2024-11-09 11:41:41,101 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:41,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852360041] [2024-11-09 11:41:41,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852360041] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:41:41,101 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:41:41,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-09 11:41:41,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138267153] [2024-11-09 11:41:41,102 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:41,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:41:41,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:41,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:41:41,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:41:41,103 INFO L87 Difference]: Start difference. First operand 319 states and 412 transitions. Second operand has 9 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-09 11:41:41,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:41,835 INFO L93 Difference]: Finished difference Result 340 states and 414 transitions. [2024-11-09 11:41:41,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:41:41,836 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) Word has length 78 [2024-11-09 11:41:41,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:41,837 INFO L225 Difference]: With dead ends: 340 [2024-11-09 11:41:41,837 INFO L226 Difference]: Without dead ends: 339 [2024-11-09 11:41:41,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 146 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:41:41,838 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 347 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:41,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 335 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:41:41,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-09 11:41:41,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 319. [2024-11-09 11:41:41,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5683760683760684) internal successors, (367), 295 states have internal predecessors, (367), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:41,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 409 transitions. [2024-11-09 11:41:41,855 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 409 transitions. Word has length 78 [2024-11-09 11:41:41,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:41,855 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 409 transitions. [2024-11-09 11:41:41,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-09 11:41:41,855 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 409 transitions. [2024-11-09 11:41:41,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 11:41:41,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:41,856 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:41,879 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 11:41:42,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-09 11:41:42,057 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:42,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:42,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1475575261, now seen corresponding path program 1 times [2024-11-09 11:41:42,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:42,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041838639] [2024-11-09 11:41:42,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:42,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:42,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1193015693] [2024-11-09 11:41:42,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:42,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:42,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:42,076 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 11:41:42,077 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 11:41:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:42,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:41:42,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:42,401 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 11:41:42,402 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:43,596 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 11:41:43,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:43,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041838639] [2024-11-09 11:41:43,597 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:43,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193015693] [2024-11-09 11:41:43,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193015693] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:41:43,597 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:41:43,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-09 11:41:43,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78787263] [2024-11-09 11:41:43,597 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:43,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:41:43,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:43,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:41:43,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:41:43,600 INFO L87 Difference]: Start difference. First operand 319 states and 409 transitions. Second operand has 11 states, 8 states have (on average 12.25) internal successors, (98), 9 states have internal predecessors, (98), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-09 11:41:44,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:44,842 INFO L93 Difference]: Finished difference Result 340 states and 411 transitions. [2024-11-09 11:41:44,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:41:44,842 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 12.25) internal successors, (98), 9 states have internal predecessors, (98), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) Word has length 79 [2024-11-09 11:41:44,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:44,844 INFO L225 Difference]: With dead ends: 340 [2024-11-09 11:41:44,844 INFO L226 Difference]: Without dead ends: 339 [2024-11-09 11:41:44,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 146 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:41:44,844 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 168 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:44,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 655 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 11:41:44,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-09 11:41:44,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 319. [2024-11-09 11:41:44,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5555555555555556) internal successors, (364), 295 states have internal predecessors, (364), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:44,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 406 transitions. [2024-11-09 11:41:44,860 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 406 transitions. Word has length 79 [2024-11-09 11:41:44,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:44,860 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 406 transitions. [2024-11-09 11:41:44,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 12.25) internal successors, (98), 9 states have internal predecessors, (98), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-09 11:41:44,861 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 406 transitions. [2024-11-09 11:41:44,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 11:41:44,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:44,861 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:44,879 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 11:41:45,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-09 11:41:45,062 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:45,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:45,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1501807026, now seen corresponding path program 1 times [2024-11-09 11:41:45,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:45,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073571169] [2024-11-09 11:41:45,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:45,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:45,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [952196017] [2024-11-09 11:41:45,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:45,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:45,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:45,086 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 11:41:45,088 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 11:41:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:45,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:41:45,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:45,533 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 11:41:45,533 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:46,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:46,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073571169] [2024-11-09 11:41:46,055 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:46,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952196017] [2024-11-09 11:41:46,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952196017] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:46,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:46,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:41:46,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593293103] [2024-11-09 11:41:46,055 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:46,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:41:46,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:46,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:41:46,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:41:46,056 INFO L87 Difference]: Start difference. First operand 319 states and 406 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:46,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:46,690 INFO L93 Difference]: Finished difference Result 338 states and 417 transitions. [2024-11-09 11:41:46,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:41:46,691 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2024-11-09 11:41:46,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:46,692 INFO L225 Difference]: With dead ends: 338 [2024-11-09 11:41:46,692 INFO L226 Difference]: Without dead ends: 335 [2024-11-09 11:41:46,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:41:46,693 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 190 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:46,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 382 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:41:46,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-09 11:41:46,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 319. [2024-11-09 11:41:46,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5299145299145298) internal successors, (358), 295 states have internal predecessors, (358), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:46,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 400 transitions. [2024-11-09 11:41:46,716 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 400 transitions. Word has length 80 [2024-11-09 11:41:46,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:46,717 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 400 transitions. [2024-11-09 11:41:46,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:46,717 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 400 transitions. [2024-11-09 11:41:46,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 11:41:46,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:46,718 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:46,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:46,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:46,919 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:46,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:46,919 INFO L85 PathProgramCache]: Analyzing trace with hash 688622591, now seen corresponding path program 1 times [2024-11-09 11:41:46,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:46,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212316470] [2024-11-09 11:41:46,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:46,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:46,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1963562223] [2024-11-09 11:41:46,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:46,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:46,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:46,931 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:46,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-09 11:41:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:46,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 11:41:46,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:47,496 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 11:41:47,496 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:47,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:47,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212316470] [2024-11-09 11:41:47,663 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:47,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963562223] [2024-11-09 11:41:47,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963562223] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:47,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:47,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-09 11:41:47,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931257426] [2024-11-09 11:41:47,663 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:47,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:41:47,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:47,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:41:47,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:47,664 INFO L87 Difference]: Start difference. First operand 319 states and 400 transitions. Second operand has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:48,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:48,160 INFO L93 Difference]: Finished difference Result 326 states and 401 transitions. [2024-11-09 11:41:48,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:41:48,161 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 81 [2024-11-09 11:41:48,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:48,162 INFO L225 Difference]: With dead ends: 326 [2024-11-09 11:41:48,162 INFO L226 Difference]: Without dead ends: 323 [2024-11-09 11:41:48,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:48,163 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 151 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:48,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 277 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:41:48,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-09 11:41:48,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 319. [2024-11-09 11:41:48,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5042735042735043) internal successors, (352), 295 states have internal predecessors, (352), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:48,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 394 transitions. [2024-11-09 11:41:48,176 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 394 transitions. Word has length 81 [2024-11-09 11:41:48,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:48,176 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 394 transitions. [2024-11-09 11:41:48,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:48,176 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 394 transitions. [2024-11-09 11:41:48,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-09 11:41:48,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:48,177 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:48,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:48,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-09 11:41:48,378 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:48,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:48,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1649290795, now seen corresponding path program 1 times [2024-11-09 11:41:48,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:48,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163310997] [2024-11-09 11:41:48,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:48,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:41:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:41:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 11:41:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:41:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,434 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:41:48,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:48,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163310997] [2024-11-09 11:41:48,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163310997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:48,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:48,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:41:48,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505232256] [2024-11-09 11:41:48,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:48,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:41:48,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:48,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:41:48,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:41:48,435 INFO L87 Difference]: Start difference. First operand 319 states and 394 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-09 11:41:48,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:48,598 INFO L93 Difference]: Finished difference Result 319 states and 394 transitions. [2024-11-09 11:41:48,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:41:48,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 94 [2024-11-09 11:41:48,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:48,600 INFO L225 Difference]: With dead ends: 319 [2024-11-09 11:41:48,600 INFO L226 Difference]: Without dead ends: 318 [2024-11-09 11:41:48,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 11:41:48,601 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 1 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:48,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 295 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:41:48,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-09 11:41:48,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2024-11-09 11:41:48,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 234 states have (on average 1.4871794871794872) internal successors, (348), 294 states have internal predecessors, (348), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:48,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 390 transitions. [2024-11-09 11:41:48,614 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 390 transitions. Word has length 94 [2024-11-09 11:41:48,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:48,614 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 390 transitions. [2024-11-09 11:41:48,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-09 11:41:48,614 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 390 transitions. [2024-11-09 11:41:48,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 11:41:48,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:48,615 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:48,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-09 11:41:48,616 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:48,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:48,616 INFO L85 PathProgramCache]: Analyzing trace with hash 411593070, now seen corresponding path program 1 times [2024-11-09 11:41:48,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:48,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196654744] [2024-11-09 11:41:48,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:48,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:41:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:41:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 11:41:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:41:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,703 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:41:48,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:48,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196654744] [2024-11-09 11:41:48,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196654744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:48,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:48,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:41:48,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827845894] [2024-11-09 11:41:48,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:48,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:41:48,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:48,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:41:48,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:41:48,705 INFO L87 Difference]: Start difference. First operand 318 states and 390 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:41:49,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:49,556 INFO L93 Difference]: Finished difference Result 326 states and 394 transitions. [2024-11-09 11:41:49,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:41:49,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 95 [2024-11-09 11:41:49,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:49,557 INFO L225 Difference]: With dead ends: 326 [2024-11-09 11:41:49,557 INFO L226 Difference]: Without dead ends: 325 [2024-11-09 11:41:49,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:49,558 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 278 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:49,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 225 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:41:49,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-09 11:41:49,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 318. [2024-11-09 11:41:49,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 234 states have (on average 1.482905982905983) internal successors, (347), 294 states have internal predecessors, (347), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:49,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 389 transitions. [2024-11-09 11:41:49,572 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 389 transitions. Word has length 95 [2024-11-09 11:41:49,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:49,574 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 389 transitions. [2024-11-09 11:41:49,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:41:49,575 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 389 transitions. [2024-11-09 11:41:49,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 11:41:49,575 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:49,575 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:49,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-09 11:41:49,575 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:49,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:49,576 INFO L85 PathProgramCache]: Analyzing trace with hash 402415118, now seen corresponding path program 1 times [2024-11-09 11:41:49,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:49,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314085359] [2024-11-09 11:41:49,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:49,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:49,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:49,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:49,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:49,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:49,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:41:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:49,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:41:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:49,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 11:41:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:49,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:41:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:49,706 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:41:49,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:49,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314085359] [2024-11-09 11:41:49,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314085359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:49,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:49,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:41:49,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055738609] [2024-11-09 11:41:49,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:49,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:41:49,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:49,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:41:49,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:41:49,709 INFO L87 Difference]: Start difference. First operand 318 states and 389 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:41:49,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:49,801 INFO L93 Difference]: Finished difference Result 334 states and 400 transitions. [2024-11-09 11:41:49,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:41:49,802 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 97 [2024-11-09 11:41:49,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:49,804 INFO L225 Difference]: With dead ends: 334 [2024-11-09 11:41:49,804 INFO L226 Difference]: Without dead ends: 333 [2024-11-09 11:41:49,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 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 11:41:49,806 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 16 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:49,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 451 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:41:49,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-11-09 11:41:49,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 323. [2024-11-09 11:41:49,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 239 states have (on average 1.4728033472803348) internal successors, (352), 299 states have internal predecessors, (352), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:49,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 394 transitions. [2024-11-09 11:41:49,822 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 394 transitions. Word has length 97 [2024-11-09 11:41:49,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:49,823 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 394 transitions. [2024-11-09 11:41:49,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:41:49,823 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 394 transitions. [2024-11-09 11:41:49,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-09 11:41:49,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:49,824 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:49,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-09 11:41:49,824 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:49,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:49,824 INFO L85 PathProgramCache]: Analyzing trace with hash -410033051, now seen corresponding path program 1 times [2024-11-09 11:41:49,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:49,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447632972] [2024-11-09 11:41:49,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:49,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:49,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1626805502] [2024-11-09 11:41:49,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:49,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:49,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:49,849 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:49,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-09 11:41:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:49,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:41:49,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:50,076 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:41:50,076 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:50,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:50,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447632972] [2024-11-09 11:41:50,077 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:50,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626805502] [2024-11-09 11:41:50,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626805502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:50,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:50,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:41:50,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837362372] [2024-11-09 11:41:50,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:50,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:50,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:50,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:50,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:50,080 INFO L87 Difference]: Start difference. First operand 323 states and 394 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:41:50,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:50,510 INFO L93 Difference]: Finished difference Result 334 states and 398 transitions. [2024-11-09 11:41:50,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:50,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 98 [2024-11-09 11:41:50,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:50,512 INFO L225 Difference]: With dead ends: 334 [2024-11-09 11:41:50,512 INFO L226 Difference]: Without dead ends: 333 [2024-11-09 11:41:50,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 95 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 11:41:50,513 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 17 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:50,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 326 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:41:50,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-11-09 11:41:50,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 325. [2024-11-09 11:41:50,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 241 states have (on average 1.4688796680497926) internal successors, (354), 301 states have internal predecessors, (354), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:50,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 396 transitions. [2024-11-09 11:41:50,527 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 396 transitions. Word has length 98 [2024-11-09 11:41:50,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:50,528 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 396 transitions. [2024-11-09 11:41:50,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:41:50,528 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 396 transitions. [2024-11-09 11:41:50,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-09 11:41:50,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:50,529 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:50,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:50,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-09 11:41:50,733 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:50,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:50,733 INFO L85 PathProgramCache]: Analyzing trace with hash -295147689, now seen corresponding path program 1 times [2024-11-09 11:41:50,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:50,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763184297] [2024-11-09 11:41:50,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:50,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:50,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:50,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:50,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:50,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:50,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:41:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:50,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:41:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:50,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 11:41:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:50,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:41:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:50,840 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:41:50,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:50,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763184297] [2024-11-09 11:41:50,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763184297] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:50,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547581790] [2024-11-09 11:41:50,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:50,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:50,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:50,842 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:50,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-09 11:41:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:50,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:41:50,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:51,009 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:41:51,009 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:51,117 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:41:51,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547581790] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:41:51,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:41:51,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2024-11-09 11:41:51,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329581357] [2024-11-09 11:41:51,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:51,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:41:51,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:51,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:41:51,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:41:51,119 INFO L87 Difference]: Start difference. First operand 325 states and 396 transitions. Second operand has 14 states, 13 states have (on average 10.153846153846153) internal successors, (132), 14 states have internal predecessors, (132), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-09 11:41:51,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:51,347 INFO L93 Difference]: Finished difference Result 820 states and 966 transitions. [2024-11-09 11:41:51,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 11:41:51,347 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.153846153846153) internal successors, (132), 14 states have internal predecessors, (132), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 100 [2024-11-09 11:41:51,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:51,349 INFO L225 Difference]: With dead ends: 820 [2024-11-09 11:41:51,349 INFO L226 Difference]: Without dead ends: 618 [2024-11-09 11:41:51,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2024-11-09 11:41:51,351 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 253 mSDsluCounter, 1238 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 1394 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:51,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 1394 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:41:51,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-09 11:41:51,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 517. [2024-11-09 11:41:51,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 416 states have (on average 1.4302884615384615) internal successors, (595), 477 states have internal predecessors, (595), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 11:41:51,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 663 transitions. [2024-11-09 11:41:51,396 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 663 transitions. Word has length 100 [2024-11-09 11:41:51,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:51,397 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 663 transitions. [2024-11-09 11:41:51,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.153846153846153) internal successors, (132), 14 states have internal predecessors, (132), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-09 11:41:51,397 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 663 transitions. [2024-11-09 11:41:51,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 11:41:51,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:51,398 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:51,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-09 11:41:51,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-09 11:41:51,599 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:51,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:51,600 INFO L85 PathProgramCache]: Analyzing trace with hash -407452718, now seen corresponding path program 1 times [2024-11-09 11:41:51,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:51,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566820853] [2024-11-09 11:41:51,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:51,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:51,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:51,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:51,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:51,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:51,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:41:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:51,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:41:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:51,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 11:41:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:51,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:41:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:51,737 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:41:51,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:51,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566820853] [2024-11-09 11:41:51,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566820853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:51,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:51,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:41:51,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681970918] [2024-11-09 11:41:51,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:51,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:41:51,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:51,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:41:51,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:41:51,739 INFO L87 Difference]: Start difference. First operand 517 states and 663 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:41:52,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:52,048 INFO L93 Difference]: Finished difference Result 532 states and 671 transitions. [2024-11-09 11:41:52,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:41:52,048 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 101 [2024-11-09 11:41:52,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:52,050 INFO L225 Difference]: With dead ends: 532 [2024-11-09 11:41:52,050 INFO L226 Difference]: Without dead ends: 531 [2024-11-09 11:41:52,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 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 11:41:52,051 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 18 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:52,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 453 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:41:52,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-11-09 11:41:52,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 520. [2024-11-09 11:41:52,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 419 states have (on average 1.4295942720763724) internal successors, (599), 480 states have internal predecessors, (599), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 11:41:52,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 667 transitions. [2024-11-09 11:41:52,071 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 667 transitions. Word has length 101 [2024-11-09 11:41:52,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:52,071 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 667 transitions. [2024-11-09 11:41:52,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:41:52,072 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 667 transitions. [2024-11-09 11:41:52,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 11:41:52,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:52,072 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:52,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-09 11:41:52,073 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:52,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:52,073 INFO L85 PathProgramCache]: Analyzing trace with hash -169085095, now seen corresponding path program 1 times [2024-11-09 11:41:52,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:52,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971340631] [2024-11-09 11:41:52,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:52,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:52,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [529598819] [2024-11-09 11:41:52,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:52,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:52,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:52,090 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:52,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-09 11:41:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:52,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:41:52,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:52,323 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 11:41:52,323 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:52,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:52,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971340631] [2024-11-09 11:41:52,407 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:52,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529598819] [2024-11-09 11:41:52,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529598819] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:52,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:52,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:41:52,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016145505] [2024-11-09 11:41:52,408 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:52,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:41:52,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:52,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:41:52,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:41:52,409 INFO L87 Difference]: Start difference. First operand 520 states and 667 transitions. Second operand has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:41:52,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:52,812 INFO L93 Difference]: Finished difference Result 524 states and 667 transitions. [2024-11-09 11:41:52,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:41:52,812 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 102 [2024-11-09 11:41:52,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:52,814 INFO L225 Difference]: With dead ends: 524 [2024-11-09 11:41:52,814 INFO L226 Difference]: Without dead ends: 522 [2024-11-09 11:41:52,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:41:52,815 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 218 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:52,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 538 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:41:52,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-09 11:41:52,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 520. [2024-11-09 11:41:52,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 419 states have (on average 1.4152744630071599) internal successors, (593), 480 states have internal predecessors, (593), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 11:41:52,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 661 transitions. [2024-11-09 11:41:52,842 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 661 transitions. Word has length 102 [2024-11-09 11:41:52,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:52,842 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 661 transitions. [2024-11-09 11:41:52,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:41:52,842 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 661 transitions. [2024-11-09 11:41:52,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 11:41:52,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:52,843 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:52,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:53,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-09 11:41:53,044 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:53,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:53,044 INFO L85 PathProgramCache]: Analyzing trace with hash 253867817, now seen corresponding path program 1 times [2024-11-09 11:41:53,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:53,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523225979] [2024-11-09 11:41:53,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:53,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:53,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1956195042] [2024-11-09 11:41:53,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:53,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:53,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:53,064 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:53,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-09 11:41:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:53,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:41:53,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:53,264 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:41:53,265 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:53,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:53,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523225979] [2024-11-09 11:41:53,265 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:53,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956195042] [2024-11-09 11:41:53,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956195042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:53,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:53,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:41:53,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272924763] [2024-11-09 11:41:53,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:53,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:41:53,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:53,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:41:53,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:41:53,266 INFO L87 Difference]: Start difference. First operand 520 states and 661 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:41:53,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:53,556 INFO L93 Difference]: Finished difference Result 529 states and 664 transitions. [2024-11-09 11:41:53,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:41:53,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 102 [2024-11-09 11:41:53,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:53,558 INFO L225 Difference]: With dead ends: 529 [2024-11-09 11:41:53,558 INFO L226 Difference]: Without dead ends: 528 [2024-11-09 11:41:53,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 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 11:41:53,558 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 66 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:53,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 465 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:41:53,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-11-09 11:41:53,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 522. [2024-11-09 11:41:53,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 421 states have (on average 1.4133016627078385) internal successors, (595), 482 states have internal predecessors, (595), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 11:41:53,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 663 transitions. [2024-11-09 11:41:53,595 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 663 transitions. Word has length 102 [2024-11-09 11:41:53,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:53,595 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 663 transitions. [2024-11-09 11:41:53,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:41:53,595 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 663 transitions. [2024-11-09 11:41:53,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 11:41:53,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:53,596 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:53,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-09 11:41:53,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:53,799 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:53,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:53,800 INFO L85 PathProgramCache]: Analyzing trace with hash -946670567, now seen corresponding path program 1 times [2024-11-09 11:41:53,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:53,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441091683] [2024-11-09 11:41:53,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:53,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:53,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1875166468] [2024-11-09 11:41:53,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:53,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:53,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:53,821 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:53,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-09 11:41:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:53,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 11:41:53,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:54,164 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 11:41:54,164 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:54,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:54,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441091683] [2024-11-09 11:41:54,526 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:54,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875166468] [2024-11-09 11:41:54,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875166468] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:54,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:54,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:41:54,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073006767] [2024-11-09 11:41:54,526 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:54,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:41:54,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:54,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:41:54,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:41:54,527 INFO L87 Difference]: Start difference. First operand 522 states and 663 transitions. Second operand has 9 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:41:54,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:54,970 INFO L93 Difference]: Finished difference Result 526 states and 663 transitions. [2024-11-09 11:41:54,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:41:54,972 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 103 [2024-11-09 11:41:54,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:54,975 INFO L225 Difference]: With dead ends: 526 [2024-11-09 11:41:54,975 INFO L226 Difference]: Without dead ends: 524 [2024-11-09 11:41:54,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:41:54,976 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 348 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:54,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 470 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:41:54,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2024-11-09 11:41:55,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 522. [2024-11-09 11:41:55,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 421 states have (on average 1.4085510688836105) internal successors, (593), 482 states have internal predecessors, (593), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 11:41:55,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 661 transitions. [2024-11-09 11:41:55,015 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 661 transitions. Word has length 103 [2024-11-09 11:41:55,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:55,016 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 661 transitions. [2024-11-09 11:41:55,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:41:55,016 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 661 transitions. [2024-11-09 11:41:55,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 11:41:55,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:55,017 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:55,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:55,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-09 11:41:55,221 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:55,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:55,222 INFO L85 PathProgramCache]: Analyzing trace with hash 717983579, now seen corresponding path program 1 times [2024-11-09 11:41:55,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:55,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611999901] [2024-11-09 11:41:55,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:55,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:55,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:55,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:55,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:55,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:55,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:41:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:55,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:41:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:55,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 11:41:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:55,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:41:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:55,327 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:41:55,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:55,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611999901] [2024-11-09 11:41:55,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611999901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:55,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:55,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:41:55,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358049470] [2024-11-09 11:41:55,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:55,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:41:55,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:55,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:41:55,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:41:55,329 INFO L87 Difference]: Start difference. First operand 522 states and 661 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-09 11:41:56,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:56,097 INFO L93 Difference]: Finished difference Result 557 states and 664 transitions. [2024-11-09 11:41:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:41:56,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 104 [2024-11-09 11:41:56,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:56,100 INFO L225 Difference]: With dead ends: 557 [2024-11-09 11:41:56,100 INFO L226 Difference]: Without dead ends: 556 [2024-11-09 11:41:56,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:56,101 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 135 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:56,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 592 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:41:56,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2024-11-09 11:41:56,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 522. [2024-11-09 11:41:56,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 421 states have (on average 1.3990498812351544) internal successors, (589), 482 states have internal predecessors, (589), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 11:41:56,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 657 transitions. [2024-11-09 11:41:56,132 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 657 transitions. Word has length 104 [2024-11-09 11:41:56,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:56,133 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 657 transitions. [2024-11-09 11:41:56,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-09 11:41:56,133 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 657 transitions. [2024-11-09 11:41:56,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 11:41:56,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:56,134 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:56,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-09 11:41:56,135 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:56,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:56,135 INFO L85 PathProgramCache]: Analyzing trace with hash 782654555, now seen corresponding path program 1 times [2024-11-09 11:41:56,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:56,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368946321] [2024-11-09 11:41:56,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:56,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:56,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1930279609] [2024-11-09 11:41:56,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:56,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:56,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:56,154 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:56,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-09 11:41:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:56,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 11:41:56,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:56,391 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:41:56,391 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:56,556 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 11:41:56,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:56,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368946321] [2024-11-09 11:41:56,557 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:56,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930279609] [2024-11-09 11:41:56,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930279609] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:56,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:56,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-09 11:41:56,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889413340] [2024-11-09 11:41:56,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:56,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:41:56,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:56,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:41:56,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:41:56,559 INFO L87 Difference]: Start difference. First operand 522 states and 657 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:41:57,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:57,617 INFO L93 Difference]: Finished difference Result 529 states and 658 transitions. [2024-11-09 11:41:57,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:41:57,617 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 105 [2024-11-09 11:41:57,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:57,619 INFO L225 Difference]: With dead ends: 529 [2024-11-09 11:41:57,619 INFO L226 Difference]: Without dead ends: 528 [2024-11-09 11:41:57,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 198 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:41:57,619 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 250 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:57,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 319 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 11:41:57,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-11-09 11:41:57,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 522. [2024-11-09 11:41:57,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 421 states have (on average 1.3895486935866983) internal successors, (585), 482 states have internal predecessors, (585), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 11:41:57,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 653 transitions. [2024-11-09 11:41:57,646 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 653 transitions. Word has length 105 [2024-11-09 11:41:57,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:57,647 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 653 transitions. [2024-11-09 11:41:57,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:41:57,647 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 653 transitions. [2024-11-09 11:41:57,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 11:41:57,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:57,648 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:57,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:57,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-09 11:41:57,848 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:57,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:57,849 INFO L85 PathProgramCache]: Analyzing trace with hash -852990126, now seen corresponding path program 1 times [2024-11-09 11:41:57,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:57,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547812224] [2024-11-09 11:41:57,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:57,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:57,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:57,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:57,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:57,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:57,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:41:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:57,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:41:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:57,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 11:41:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:57,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:41:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:57,961 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:41:57,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:57,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547812224] [2024-11-09 11:41:57,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547812224] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:57,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352915960] [2024-11-09 11:41:57,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:57,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:57,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:57,964 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:57,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-09 11:41:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:58,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:41:58,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:58,151 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:41:58,151 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:58,304 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:41:58,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352915960] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:41:58,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:41:58,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2024-11-09 11:41:58,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309861883] [2024-11-09 11:41:58,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:58,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:41:58,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:58,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:41:58,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:41:58,307 INFO L87 Difference]: Start difference. First operand 522 states and 653 transitions. Second operand has 14 states, 14 states have (on average 10.357142857142858) internal successors, (145), 14 states have internal predecessors, (145), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-09 11:41:58,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:58,509 INFO L93 Difference]: Finished difference Result 874 states and 1064 transitions. [2024-11-09 11:41:58,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 11:41:58,510 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.357142857142858) internal successors, (145), 14 states have internal predecessors, (145), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 107 [2024-11-09 11:41:58,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:58,512 INFO L225 Difference]: With dead ends: 874 [2024-11-09 11:41:58,512 INFO L226 Difference]: Without dead ends: 666 [2024-11-09 11:41:58,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-09 11:41:58,513 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 159 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:58,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 1100 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:41:58,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2024-11-09 11:41:58,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 589. [2024-11-09 11:41:58,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 483 states have (on average 1.4202898550724639) internal successors, (686), 544 states have internal predecessors, (686), 38 states have call successors, (38), 7 states have call predecessors, (38), 7 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-09 11:41:58,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 762 transitions. [2024-11-09 11:41:58,540 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 762 transitions. Word has length 107 [2024-11-09 11:41:58,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:58,540 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 762 transitions. [2024-11-09 11:41:58,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.357142857142858) internal successors, (145), 14 states have internal predecessors, (145), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-09 11:41:58,541 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 762 transitions. [2024-11-09 11:41:58,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 11:41:58,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:58,541 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:58,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:58,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:58,742 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:58,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:58,743 INFO L85 PathProgramCache]: Analyzing trace with hash -672892046, now seen corresponding path program 1 times [2024-11-09 11:41:58,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:58,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436672846] [2024-11-09 11:41:58,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:58,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:58,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:58,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:58,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:58,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:58,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:41:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:58,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:41:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:58,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 11:41:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:58,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:41:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:58,889 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 11:41:58,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:58,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436672846] [2024-11-09 11:41:58,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436672846] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:58,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221457417] [2024-11-09 11:41:58,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:58,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:58,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:58,892 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:58,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-09 11:41:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:58,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:41:58,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:59,050 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 11:41:59,050 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:59,186 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 11:41:59,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221457417] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:41:59,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:41:59,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2024-11-09 11:41:59,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147109220] [2024-11-09 11:41:59,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:59,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:41:59,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:59,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:41:59,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:41:59,189 INFO L87 Difference]: Start difference. First operand 589 states and 762 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:42:00,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:00,148 INFO L93 Difference]: Finished difference Result 1225 states and 1514 transitions. [2024-11-09 11:42:00,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 11:42:00,149 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 108 [2024-11-09 11:42:00,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:00,152 INFO L225 Difference]: With dead ends: 1225 [2024-11-09 11:42:00,152 INFO L226 Difference]: Without dead ends: 1185 [2024-11-09 11:42:00,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 226 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:42:00,153 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 815 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 1015 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 1049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:00,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [820 Valid, 1143 Invalid, 1049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1015 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 11:42:00,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2024-11-09 11:42:00,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 833. [2024-11-09 11:42:00,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 711 states have (on average 1.5316455696202531) internal successors, (1089), 772 states have internal predecessors, (1089), 54 states have call successors, (54), 7 states have call predecessors, (54), 7 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-09 11:42:00,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1197 transitions. [2024-11-09 11:42:00,203 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1197 transitions. Word has length 108 [2024-11-09 11:42:00,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:00,203 INFO L471 AbstractCegarLoop]: Abstraction has 833 states and 1197 transitions. [2024-11-09 11:42:00,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:42:00,203 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1197 transitions. [2024-11-09 11:42:00,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 11:42:00,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:00,204 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:42:00,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-09 11:42:00,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:00,409 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:42:00,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:00,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1817703131, now seen corresponding path program 1 times [2024-11-09 11:42:00,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:00,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745750264] [2024-11-09 11:42:00,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:00,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:00,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:00,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:42:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:00,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:42:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:00,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:42:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:00,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:42:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:00,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:42:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:00,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 11:42:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:00,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:42:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:00,666 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 11:42:00,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:00,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745750264] [2024-11-09 11:42:00,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745750264] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:00,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742622330] [2024-11-09 11:42:00,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:00,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:00,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:00,669 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:00,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-09 11:42:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:00,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:42:00,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:00,892 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:42:00,892 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:42:00,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742622330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:00,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:00,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2024-11-09 11:42:00,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228486075] [2024-11-09 11:42:00,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:00,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:42:00,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:00,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:42:00,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:42:00,895 INFO L87 Difference]: Start difference. First operand 833 states and 1197 transitions. Second operand has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:42:03,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:03,047 INFO L93 Difference]: Finished difference Result 1476 states and 1986 transitions. [2024-11-09 11:42:03,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 11:42:03,048 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 114 [2024-11-09 11:42:03,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:03,052 INFO L225 Difference]: With dead ends: 1476 [2024-11-09 11:42:03,052 INFO L226 Difference]: Without dead ends: 1475 [2024-11-09 11:42:03,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=169, Invalid=761, Unknown=0, NotChecked=0, Total=930 [2024-11-09 11:42:03,053 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 1066 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:03,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1071 Valid, 998 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 923 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-09 11:42:03,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2024-11-09 11:42:03,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1070. [2024-11-09 11:42:03,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1070 states, 932 states have (on average 1.590128755364807) internal successors, (1482), 993 states have internal predecessors, (1482), 70 states have call successors, (70), 7 states have call predecessors, (70), 7 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-09 11:42:03,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1622 transitions. [2024-11-09 11:42:03,107 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1622 transitions. Word has length 114 [2024-11-09 11:42:03,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:03,107 INFO L471 AbstractCegarLoop]: Abstraction has 1070 states and 1622 transitions. [2024-11-09 11:42:03,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:42:03,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1622 transitions. [2024-11-09 11:42:03,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 11:42:03,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:03,108 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:42:03,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-09 11:42:03,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-11-09 11:42:03,313 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:42:03,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:03,313 INFO L85 PathProgramCache]: Analyzing trace with hash 514222299, now seen corresponding path program 1 times [2024-11-09 11:42:03,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:03,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536472352] [2024-11-09 11:42:03,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:03,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:03,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1958073851] [2024-11-09 11:42:03,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:03,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:03,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:03,329 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:03,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-09 11:42:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:03,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:42:03,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:03,507 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:42:03,507 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:03,637 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:42:03,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:03,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536472352] [2024-11-09 11:42:03,637 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:03,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958073851] [2024-11-09 11:42:03,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958073851] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:42:03,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:42:03,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-09 11:42:03,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013315198] [2024-11-09 11:42:03,637 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:03,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:42:03,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:03,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:42:03,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:42:03,639 INFO L87 Difference]: Start difference. First operand 1070 states and 1622 transitions. Second operand has 10 states, 9 states have (on average 17.22222222222222) internal successors, (155), 10 states have internal predecessors, (155), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-09 11:42:07,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 11:42:07,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:07,786 INFO L93 Difference]: Finished difference Result 1535 states and 2281 transitions. [2024-11-09 11:42:07,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:42:07,786 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.22222222222222) internal successors, (155), 10 states have internal predecessors, (155), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 115 [2024-11-09 11:42:07,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:07,793 INFO L225 Difference]: With dead ends: 1535 [2024-11-09 11:42:07,793 INFO L226 Difference]: Without dead ends: 1534 [2024-11-09 11:42:07,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:42:07,794 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 1181 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 56 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1182 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:07,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1182 Valid, 544 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 540 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-09 11:42:07,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2024-11-09 11:42:07,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1247. [2024-11-09 11:42:07,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1097 states have (on average 1.6125797629899727) internal successors, (1769), 1158 states have internal predecessors, (1769), 82 states have call successors, (82), 7 states have call predecessors, (82), 7 states have return successors, (82), 81 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-09 11:42:07,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1933 transitions. [2024-11-09 11:42:07,856 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1933 transitions. Word has length 115 [2024-11-09 11:42:07,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:07,856 INFO L471 AbstractCegarLoop]: Abstraction has 1247 states and 1933 transitions. [2024-11-09 11:42:07,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.22222222222222) internal successors, (155), 10 states have internal predecessors, (155), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-09 11:42:07,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1933 transitions. [2024-11-09 11:42:07,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-09 11:42:07,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:07,857 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:42:07,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:08,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:08,058 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:42:08,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:08,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1994480248, now seen corresponding path program 1 times [2024-11-09 11:42:08,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:08,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551227105] [2024-11-09 11:42:08,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:08,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:08,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [136859898] [2024-11-09 11:42:08,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:08,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:08,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:08,074 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:08,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-09 11:42:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:08,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:42:08,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:08,585 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-09 11:42:08,585 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:08,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:08,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551227105] [2024-11-09 11:42:08,679 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:08,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136859898] [2024-11-09 11:42:08,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136859898] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:08,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:08,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 11:42:08,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134070222] [2024-11-09 11:42:08,680 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:08,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:42:08,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:08,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:42:08,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:42:08,681 INFO L87 Difference]: Start difference. First operand 1247 states and 1933 transitions. Second operand has 10 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-09 11:42:09,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:09,724 INFO L93 Difference]: Finished difference Result 1328 states and 2033 transitions. [2024-11-09 11:42:09,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:42:09,725 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 121 [2024-11-09 11:42:09,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:09,730 INFO L225 Difference]: With dead ends: 1328 [2024-11-09 11:42:09,730 INFO L226 Difference]: Without dead ends: 1327 [2024-11-09 11:42:09,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:42:09,731 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 455 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:09,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 608 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 11:42:09,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2024-11-09 11:42:09,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 1296. [2024-11-09 11:42:09,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1296 states, 1142 states have (on average 1.6199649737302977) internal successors, (1850), 1203 states have internal predecessors, (1850), 86 states have call successors, (86), 7 states have call predecessors, (86), 7 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-09 11:42:09,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 2022 transitions. [2024-11-09 11:42:09,802 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 2022 transitions. Word has length 121 [2024-11-09 11:42:09,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:09,802 INFO L471 AbstractCegarLoop]: Abstraction has 1296 states and 2022 transitions. [2024-11-09 11:42:09,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-09 11:42:09,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 2022 transitions. [2024-11-09 11:42:09,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-09 11:42:09,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:09,804 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:42:09,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:10,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-09 11:42:10,004 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:42:10,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:10,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1699345453, now seen corresponding path program 1 times [2024-11-09 11:42:10,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:10,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419046165] [2024-11-09 11:42:10,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:10,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:10,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [862329399] [2024-11-09 11:42:10,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:10,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:10,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:10,021 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:10,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-09 11:42:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:10,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:42:10,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:10,538 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-09 11:42:10,538 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:11,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:11,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419046165] [2024-11-09 11:42:11,324 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:11,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862329399] [2024-11-09 11:42:11,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862329399] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:11,324 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:11,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 11:42:11,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576069609] [2024-11-09 11:42:11,324 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:11,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:42:11,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:11,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:42:11,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:42:11,325 INFO L87 Difference]: Start difference. First operand 1296 states and 2022 transitions. Second operand has 10 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-09 11:42:12,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:12,156 INFO L93 Difference]: Finished difference Result 1328 states and 2031 transitions. [2024-11-09 11:42:12,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:42:12,157 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 122 [2024-11-09 11:42:12,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:12,162 INFO L225 Difference]: With dead ends: 1328 [2024-11-09 11:42:12,162 INFO L226 Difference]: Without dead ends: 1327 [2024-11-09 11:42:12,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:42:12,163 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 612 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 921 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 617 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:12,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [617 Valid, 532 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 921 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:42:12,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2024-11-09 11:42:12,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 1296. [2024-11-09 11:42:12,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1296 states, 1142 states have (on average 1.618213660245184) internal successors, (1848), 1203 states have internal predecessors, (1848), 86 states have call successors, (86), 7 states have call predecessors, (86), 7 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-09 11:42:12,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 2020 transitions. [2024-11-09 11:42:12,238 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 2020 transitions. Word has length 122 [2024-11-09 11:42:12,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:12,238 INFO L471 AbstractCegarLoop]: Abstraction has 1296 states and 2020 transitions. [2024-11-09 11:42:12,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-09 11:42:12,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 2020 transitions. [2024-11-09 11:42:12,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 11:42:12,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:12,240 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:42:12,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:12,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:12,444 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:42:12,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:12,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1140101398, now seen corresponding path program 1 times [2024-11-09 11:42:12,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:12,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042089221] [2024-11-09 11:42:12,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:12,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:12,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [147202141] [2024-11-09 11:42:12,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:12,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:12,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:12,462 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:12,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-09 11:42:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:12,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:42:12,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:12,863 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-09 11:42:12,864 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:12,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:12,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042089221] [2024-11-09 11:42:12,932 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:12,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147202141] [2024-11-09 11:42:12,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147202141] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:12,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:12,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:42:12,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707334268] [2024-11-09 11:42:12,932 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:12,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:42:12,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:12,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:42:12,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:42:12,933 INFO L87 Difference]: Start difference. First operand 1296 states and 2020 transitions. Second operand has 8 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-09 11:42:13,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:13,355 INFO L93 Difference]: Finished difference Result 1451 states and 2239 transitions. [2024-11-09 11:42:13,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:42:13,356 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 123 [2024-11-09 11:42:13,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:13,360 INFO L225 Difference]: With dead ends: 1451 [2024-11-09 11:42:13,360 INFO L226 Difference]: Without dead ends: 1449 [2024-11-09 11:42:13,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:42:13,362 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 357 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:13,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 481 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:42:13,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1449 states. [2024-11-09 11:42:13,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1449 to 1408. [2024-11-09 11:42:13,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1408 states, 1245 states have (on average 1.6313253012048192) internal successors, (2031), 1306 states have internal predecessors, (2031), 95 states have call successors, (95), 7 states have call predecessors, (95), 7 states have return successors, (95), 94 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-09 11:42:13,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1408 states and 2221 transitions. [2024-11-09 11:42:13,409 INFO L78 Accepts]: Start accepts. Automaton has 1408 states and 2221 transitions. Word has length 123 [2024-11-09 11:42:13,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:13,409 INFO L471 AbstractCegarLoop]: Abstraction has 1408 states and 2221 transitions. [2024-11-09 11:42:13,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-09 11:42:13,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 2221 transitions. [2024-11-09 11:42:13,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 11:42:13,410 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:13,410 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:42:13,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:13,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-09 11:42:13,611 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:42:13,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:13,611 INFO L85 PathProgramCache]: Analyzing trace with hash -983404875, now seen corresponding path program 1 times [2024-11-09 11:42:13,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:13,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064640484] [2024-11-09 11:42:13,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:13,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:13,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1005638628] [2024-11-09 11:42:13,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:13,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:13,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:13,626 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:13,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-09 11:42:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:13,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:42:13,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:13,986 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-09 11:42:13,986 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:14,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:14,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064640484] [2024-11-09 11:42:14,516 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:14,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005638628] [2024-11-09 11:42:14,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005638628] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:14,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:14,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:42:14,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725595879] [2024-11-09 11:42:14,516 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:14,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:42:14,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:14,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:42:14,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:42:14,517 INFO L87 Difference]: Start difference. First operand 1408 states and 2221 transitions. Second operand has 8 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-09 11:42:14,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:14,952 INFO L93 Difference]: Finished difference Result 1451 states and 2233 transitions. [2024-11-09 11:42:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:42:14,952 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 124 [2024-11-09 11:42:14,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:14,957 INFO L225 Difference]: With dead ends: 1451 [2024-11-09 11:42:14,957 INFO L226 Difference]: Without dead ends: 1449 [2024-11-09 11:42:14,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:42:14,958 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 289 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:14,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 608 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:42:14,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1449 states. [2024-11-09 11:42:15,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1449 to 1409. [2024-11-09 11:42:15,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1409 states, 1246 states have (on average 1.6268057784911718) internal successors, (2027), 1307 states have internal predecessors, (2027), 95 states have call successors, (95), 7 states have call predecessors, (95), 7 states have return successors, (95), 94 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-09 11:42:15,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1409 states and 2217 transitions. [2024-11-09 11:42:15,039 INFO L78 Accepts]: Start accepts. Automaton has 1409 states and 2217 transitions. Word has length 124 [2024-11-09 11:42:15,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:15,040 INFO L471 AbstractCegarLoop]: Abstraction has 1409 states and 2217 transitions. [2024-11-09 11:42:15,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-09 11:42:15,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 2217 transitions. [2024-11-09 11:42:15,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 11:42:15,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:15,042 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:42:15,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:15,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-09 11:42:15,242 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:42:15,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:15,243 INFO L85 PathProgramCache]: Analyzing trace with hash -420779956, now seen corresponding path program 1 times [2024-11-09 11:42:15,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:15,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182866867] [2024-11-09 11:42:15,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:15,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:15,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2118937463] [2024-11-09 11:42:15,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:15,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:15,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:15,257 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:15,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-09 11:42:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:15,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:42:15,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:15,528 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-09 11:42:15,528 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:15,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:15,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182866867] [2024-11-09 11:42:15,676 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:15,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118937463] [2024-11-09 11:42:15,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118937463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:15,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:15,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:42:15,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398414843] [2024-11-09 11:42:15,676 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:15,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:42:15,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:15,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:42:15,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:42:15,677 INFO L87 Difference]: Start difference. First operand 1409 states and 2217 transitions. Second operand has 8 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 11:42:16,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:16,443 INFO L93 Difference]: Finished difference Result 1467 states and 2250 transitions. [2024-11-09 11:42:16,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:42:16,443 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 125 [2024-11-09 11:42:16,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:16,451 INFO L225 Difference]: With dead ends: 1467 [2024-11-09 11:42:16,451 INFO L226 Difference]: Without dead ends: 1463 [2024-11-09 11:42:16,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:42:16,452 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 266 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:16,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 633 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:42:16,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2024-11-09 11:42:16,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 1412. [2024-11-09 11:42:16,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1412 states, 1249 states have (on average 1.6196957566052843) internal successors, (2023), 1310 states have internal predecessors, (2023), 95 states have call successors, (95), 7 states have call predecessors, (95), 7 states have return successors, (95), 94 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-09 11:42:16,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1412 states and 2213 transitions. [2024-11-09 11:42:16,517 INFO L78 Accepts]: Start accepts. Automaton has 1412 states and 2213 transitions. Word has length 125 [2024-11-09 11:42:16,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:16,518 INFO L471 AbstractCegarLoop]: Abstraction has 1412 states and 2213 transitions. [2024-11-09 11:42:16,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 11:42:16,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 2213 transitions. [2024-11-09 11:42:16,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-09 11:42:16,519 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:16,519 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:42:16,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:16,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-09 11:42:16,720 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:42:16,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:16,720 INFO L85 PathProgramCache]: Analyzing trace with hash -159276649, now seen corresponding path program 1 times [2024-11-09 11:42:16,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:16,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332264821] [2024-11-09 11:42:16,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:16,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:16,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1274128872] [2024-11-09 11:42:16,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:16,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:16,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:16,734 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:16,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-09 11:42:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:16,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:42:16,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:17,065 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:42:17,065 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:17,763 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:42:17,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:17,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332264821] [2024-11-09 11:42:17,763 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:17,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274128872] [2024-11-09 11:42:17,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274128872] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:17,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:17,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-09 11:42:17,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186836104] [2024-11-09 11:42:17,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:17,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:42:17,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:17,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:42:17,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:42:17,764 INFO L87 Difference]: Start difference. First operand 1412 states and 2213 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 11:42:21,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:21,661 INFO L93 Difference]: Finished difference Result 1677 states and 2610 transitions. [2024-11-09 11:42:21,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:42:21,662 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 126 [2024-11-09 11:42:21,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:21,667 INFO L225 Difference]: With dead ends: 1677 [2024-11-09 11:42:21,667 INFO L226 Difference]: Without dead ends: 1672 [2024-11-09 11:42:21,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:42:21,668 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 119 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:21,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 277 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-09 11:42:21,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2024-11-09 11:42:21,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1655. [2024-11-09 11:42:21,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1483 states have (on average 1.5974376264329062) internal successors, (2369), 1544 states have internal predecessors, (2369), 104 states have call successors, (104), 7 states have call predecessors, (104), 7 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-09 11:42:21,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2577 transitions. [2024-11-09 11:42:21,761 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2577 transitions. Word has length 126 [2024-11-09 11:42:21,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:21,762 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 2577 transitions. [2024-11-09 11:42:21,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 11:42:21,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2577 transitions. [2024-11-09 11:42:21,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-09 11:42:21,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:21,763 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:42:21,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-09 11:42:21,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-09 11:42:21,964 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:42:21,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:21,965 INFO L85 PathProgramCache]: Analyzing trace with hash 170726093, now seen corresponding path program 1 times [2024-11-09 11:42:21,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:21,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352835077] [2024-11-09 11:42:21,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:21,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:21,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1266284559] [2024-11-09 11:42:21,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:21,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:21,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:21,980 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:21,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-09 11:42:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:22,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 11:42:22,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:22,567 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 3 proven. 43 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:42:22,567 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:34,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:34,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352835077] [2024-11-09 11:42:34,743 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:34,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266284559] [2024-11-09 11:42:34,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266284559] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:34,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:34,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:42:34,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527294455] [2024-11-09 11:42:34,743 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:34,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:42:34,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:34,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:42:34,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=162, Unknown=3, NotChecked=0, Total=210 [2024-11-09 11:42:34,744 INFO L87 Difference]: Start difference. First operand 1655 states and 2577 transitions. Second operand has 12 states, 10 states have (on average 9.4) internal successors, (94), 11 states have internal predecessors, (94), 5 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-09 11:42:35,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:35,299 INFO L93 Difference]: Finished difference Result 1713 states and 2617 transitions. [2024-11-09 11:42:35,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:42:35,300 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 9.4) internal successors, (94), 11 states have internal predecessors, (94), 5 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 132 [2024-11-09 11:42:35,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:35,309 INFO L225 Difference]: With dead ends: 1713 [2024-11-09 11:42:35,309 INFO L226 Difference]: Without dead ends: 1710 [2024-11-09 11:42:35,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=49, Invalid=188, Unknown=3, NotChecked=0, Total=240 [2024-11-09 11:42:35,310 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 345 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:35,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 923 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:42:35,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2024-11-09 11:42:35,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 1655. [2024-11-09 11:42:35,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1483 states have (on average 1.5893459204315576) internal successors, (2357), 1544 states have internal predecessors, (2357), 104 states have call successors, (104), 7 states have call predecessors, (104), 7 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-09 11:42:35,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2565 transitions. [2024-11-09 11:42:35,385 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2565 transitions. Word has length 132 [2024-11-09 11:42:35,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:35,386 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 2565 transitions. [2024-11-09 11:42:35,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 9.4) internal successors, (94), 11 states have internal predecessors, (94), 5 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-09 11:42:35,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2565 transitions. [2024-11-09 11:42:35,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-09 11:42:35,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:35,387 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:42:35,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:35,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:35,588 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:42:35,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:35,588 INFO L85 PathProgramCache]: Analyzing trace with hash 997541691, now seen corresponding path program 1 times [2024-11-09 11:42:35,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:35,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601533622] [2024-11-09 11:42:35,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:35,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:35,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1507168629] [2024-11-09 11:42:35,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:35,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:35,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:35,604 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:35,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-09 11:42:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:35,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:42:35,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:36,062 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-09 11:42:36,062 INFO L311 TraceCheckSpWp]: Computing backward predicates...