./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps2-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 9dd084b74d402040bb1dcf601a4c548e70d932326201e2bbf6bd431598d05766 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:54:32,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:54:32,548 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:54:32,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:54:32,555 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:54:32,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:54:32,577 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:54:32,578 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:54:32,578 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:54:32,579 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:54:32,580 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:54:32,580 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:54:32,581 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:54:32,581 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:54:32,581 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:54:32,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:54:32,584 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:54:32,584 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:54:32,585 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:54:32,585 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:54:32,585 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:54:32,585 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:54:32,585 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:54:32,585 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:54:32,586 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:54:32,586 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:54:32,586 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:54:32,587 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:54:32,587 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:54:32,588 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:54:32,588 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:54:32,588 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:54:32,588 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:54:32,589 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:54:32,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:54:32,589 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:54:32,589 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:54:32,589 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:54:32,590 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:54:32,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:54:32,590 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:54:32,590 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:54:32,590 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:54:32,590 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:54:32,591 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dd084b74d402040bb1dcf601a4c548e70d932326201e2bbf6bd431598d05766 [2024-11-22 22:54:32,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:54:32,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:54:32,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:54:32,811 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:54:32,811 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:54:32,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c [2024-11-22 22:54:33,995 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:54:34,143 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:54:34,143 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c [2024-11-22 22:54:34,149 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99e57b87e/d61af75345454947aa3a8bb845d61c47/FLAGbc1601330 [2024-11-22 22:54:34,557 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99e57b87e/d61af75345454947aa3a8bb845d61c47 [2024-11-22 22:54:34,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:54:34,560 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:54:34,561 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:54:34,561 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:54:34,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:54:34,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:54:34" (1/1) ... [2024-11-22 22:54:34,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d26fd05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:34, skipping insertion in model container [2024-11-22 22:54:34,566 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:54:34" (1/1) ... [2024-11-22 22:54:34,581 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:54:34,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:54:34,748 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:54:34,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:54:34,777 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:54:34,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:34 WrapperNode [2024-11-22 22:54:34,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:54:34,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:54:34,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:54:34,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:54:34,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:34" (1/1) ... [2024-11-22 22:54:34,789 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:34" (1/1) ... [2024-11-22 22:54:34,801 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2024-11-22 22:54:34,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:54:34,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:54:34,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:54:34,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:54:34,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:34" (1/1) ... [2024-11-22 22:54:34,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:34" (1/1) ... [2024-11-22 22:54:34,811 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:34" (1/1) ... [2024-11-22 22:54:34,819 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]. [2024-11-22 22:54:34,820 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:34" (1/1) ... [2024-11-22 22:54:34,820 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:34" (1/1) ... [2024-11-22 22:54:34,821 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:34" (1/1) ... [2024-11-22 22:54:34,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:34" (1/1) ... [2024-11-22 22:54:34,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:34" (1/1) ... [2024-11-22 22:54:34,825 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:34" (1/1) ... [2024-11-22 22:54:34,826 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:54:34,826 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:54:34,827 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:54:34,827 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:54:34,827 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:34" (1/1) ... [2024-11-22 22:54:34,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:54:34,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:54:34,859 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) [2024-11-22 22:54:34,861 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 [2024-11-22 22:54:34,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:54:34,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 22:54:34,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:54:34,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:54:34,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 22:54:34,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 22:54:34,941 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:54:34,942 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:54:35,151 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-22 22:54:35,151 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:54:35,165 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:54:35,166 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 22:54:35,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:54:35 BoogieIcfgContainer [2024-11-22 22:54:35,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:54:35,169 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:54:35,170 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:54:35,172 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:54:35,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:54:34" (1/3) ... [2024-11-22 22:54:35,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b3157b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:54:35, skipping insertion in model container [2024-11-22 22:54:35,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:54:34" (2/3) ... [2024-11-22 22:54:35,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b3157b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:54:35, skipping insertion in model container [2024-11-22 22:54:35,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:54:35" (3/3) ... [2024-11-22 22:54:35,176 INFO L112 eAbstractionObserver]: Analyzing ICFG ps2-ll_unwindbound100.c [2024-11-22 22:54:35,190 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:54:35,190 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-22 22:54:35,241 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:54:35,246 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;@2b48bed2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:54:35,246 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-22 22:54:35,249 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 61 states have internal predecessors, (65), 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) [2024-11-22 22:54:35,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-22 22:54:35,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:54:35,254 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-22 22:54:35,255 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:54:35,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:54:35,260 INFO L85 PathProgramCache]: Analyzing trace with hash 927109, now seen corresponding path program 1 times [2024-11-22 22:54:35,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:54:35,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749781920] [2024-11-22 22:54:35,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:35,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:54:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:54:35,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:54:35,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:54:35,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749781920] [2024-11-22 22:54:35,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749781920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:54:35,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:54:35,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:54:35,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858888092] [2024-11-22 22:54:35,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:54:35,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 22:54:35,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:54:35,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 22:54:35,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 22:54:35,398 INFO L87 Difference]: Start difference. First operand has 65 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 61 states have internal predecessors, (65), 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) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:54:35,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:54:35,413 INFO L93 Difference]: Finished difference Result 125 states and 137 transitions. [2024-11-22 22:54:35,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 22:54:35,415 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-22 22:54:35,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:54:35,419 INFO L225 Difference]: With dead ends: 125 [2024-11-22 22:54:35,419 INFO L226 Difference]: Without dead ends: 56 [2024-11-22 22:54:35,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 22:54:35,424 INFO L432 NwaCegarLoop]: 64 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, 64 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 [2024-11-22 22:54:35,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:54:35,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-22 22:54:35,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-22 22:54:35,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 32 states have (on average 1.71875) internal successors, (55), 53 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:54:35,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 57 transitions. [2024-11-22 22:54:35,450 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 57 transitions. Word has length 4 [2024-11-22 22:54:35,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:54:35,450 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 57 transitions. [2024-11-22 22:54:35,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:54:35,451 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2024-11-22 22:54:35,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-22 22:54:35,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:54:35,451 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-22 22:54:35,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 22:54:35,451 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:54:35,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:54:35,452 INFO L85 PathProgramCache]: Analyzing trace with hash 925668, now seen corresponding path program 1 times [2024-11-22 22:54:35,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:54:35,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801957467] [2024-11-22 22:54:35,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:35,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:54:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:54:35,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:54:35,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:54:35,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801957467] [2024-11-22 22:54:35,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801957467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:54:35,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:54:35,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:54:35,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546733202] [2024-11-22 22:54:35,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:54:35,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:54:35,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:54:35,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:54:35,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:54:35,531 INFO L87 Difference]: Start difference. First operand 56 states and 57 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:54:35,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:54:35,576 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2024-11-22 22:54:35,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:54:35,576 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-22 22:54:35,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:54:35,577 INFO L225 Difference]: With dead ends: 56 [2024-11-22 22:54:35,577 INFO L226 Difference]: Without dead ends: 55 [2024-11-22 22:54:35,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:54:35,578 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 55 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:54:35,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 99 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:54:35,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-22 22:54:35,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-22 22:54:35,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 32 states have (on average 1.6875) internal successors, (54), 52 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:54:35,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 56 transitions. [2024-11-22 22:54:35,583 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 56 transitions. Word has length 4 [2024-11-22 22:54:35,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:54:35,584 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 56 transitions. [2024-11-22 22:54:35,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:54:35,584 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2024-11-22 22:54:35,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-22 22:54:35,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:54:35,584 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-22 22:54:35,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 22:54:35,585 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:54:35,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:54:35,585 INFO L85 PathProgramCache]: Analyzing trace with hash 28695749, now seen corresponding path program 1 times [2024-11-22 22:54:35,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:54:35,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481181215] [2024-11-22 22:54:35,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:35,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:54:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:54:35,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:54:35,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:54:35,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481181215] [2024-11-22 22:54:35,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481181215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:54:35,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:54:35,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:54:35,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534239149] [2024-11-22 22:54:35,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:54:35,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:54:35,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:54:35,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:54:35,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:54:35,638 INFO L87 Difference]: Start difference. First operand 55 states and 56 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:54:35,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:54:35,682 INFO L93 Difference]: Finished difference Result 75 states and 76 transitions. [2024-11-22 22:54:35,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:54:35,682 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-22 22:54:35,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:54:35,683 INFO L225 Difference]: With dead ends: 75 [2024-11-22 22:54:35,683 INFO L226 Difference]: Without dead ends: 59 [2024-11-22 22:54:35,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:54:35,684 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 3 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:54:35,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 152 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:54:35,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-22 22:54:35,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-22 22:54:35,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 36 states have (on average 1.6111111111111112) internal successors, (58), 56 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:54:35,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2024-11-22 22:54:35,689 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 5 [2024-11-22 22:54:35,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:54:35,689 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2024-11-22 22:54:35,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:54:35,691 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2024-11-22 22:54:35,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-22 22:54:35,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:54:35,692 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:54:35,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 22:54:35,692 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:54:35,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:54:35,693 INFO L85 PathProgramCache]: Analyzing trace with hash 176612299, now seen corresponding path program 1 times [2024-11-22 22:54:35,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:54:35,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676786089] [2024-11-22 22:54:35,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:35,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:54:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:54:35,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [29788065] [2024-11-22 22:54:35,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:35,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:54:35,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:54:35,711 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) [2024-11-22 22:54:35,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 22:54:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:54:35,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:54:35,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:54:35,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:54:35,757 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:54:35,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:54:35,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676786089] [2024-11-22 22:54:35,758 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:54:35,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29788065] [2024-11-22 22:54:35,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29788065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:54:35,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:54:35,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:54:35,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113961480] [2024-11-22 22:54:35,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:54:35,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:54:35,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:54:35,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:54:35,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:54:35,760 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:54:35,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:54:35,828 INFO L93 Difference]: Finished difference Result 91 states and 101 transitions. [2024-11-22 22:54:35,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:54:35,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-22 22:54:35,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:54:35,830 INFO L225 Difference]: With dead ends: 91 [2024-11-22 22:54:35,832 INFO L226 Difference]: Without dead ends: 87 [2024-11-22 22:54:35,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:54:35,833 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 25 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:54:35,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 61 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:54:35,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-22 22:54:35,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 75. [2024-11-22 22:54:35,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 51 states have (on average 1.607843137254902) internal successors, (82), 71 states have internal predecessors, (82), 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) [2024-11-22 22:54:35,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 86 transitions. [2024-11-22 22:54:35,840 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 86 transitions. Word has length 8 [2024-11-22 22:54:35,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:54:35,841 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 86 transitions. [2024-11-22 22:54:35,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:54:35,841 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2024-11-22 22:54:35,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-22 22:54:35,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:54:35,841 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:54:35,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 22:54:36,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:54:36,046 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:54:36,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:54:36,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1180014025, now seen corresponding path program 1 times [2024-11-22 22:54:36,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:54:36,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685973881] [2024-11-22 22:54:36,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:36,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:54:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:54:36,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:54:36,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:54:36,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685973881] [2024-11-22 22:54:36,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685973881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:54:36,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:54:36,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:54:36,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536148725] [2024-11-22 22:54:36,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:54:36,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:54:36,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:54:36,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:54:36,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:54:36,088 INFO L87 Difference]: Start difference. First operand 75 states and 86 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:54:36,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:54:36,154 INFO L93 Difference]: Finished difference Result 93 states and 101 transitions. [2024-11-22 22:54:36,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:54:36,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-22 22:54:36,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:54:36,156 INFO L225 Difference]: With dead ends: 93 [2024-11-22 22:54:36,156 INFO L226 Difference]: Without dead ends: 85 [2024-11-22 22:54:36,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:54:36,158 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 22 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:54:36,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 65 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:54:36,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-22 22:54:36,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 80. [2024-11-22 22:54:36,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 56 states have (on average 1.5) internal successors, (84), 76 states have internal predecessors, (84), 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) [2024-11-22 22:54:36,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 88 transitions. [2024-11-22 22:54:36,165 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 88 transitions. Word has length 9 [2024-11-22 22:54:36,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:54:36,165 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 88 transitions. [2024-11-22 22:54:36,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:54:36,165 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2024-11-22 22:54:36,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-22 22:54:36,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:54:36,166 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:54:36,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 22:54:36,166 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:54:36,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:54:36,166 INFO L85 PathProgramCache]: Analyzing trace with hash -509445297, now seen corresponding path program 1 times [2024-11-22 22:54:36,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:54:36,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851997321] [2024-11-22 22:54:36,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:36,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:54:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:54:36,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:54:36,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:54:36,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851997321] [2024-11-22 22:54:36,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851997321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:54:36,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:54:36,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:54:36,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781193273] [2024-11-22 22:54:36,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:54:36,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:54:36,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:54:36,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:54:36,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:54:36,242 INFO L87 Difference]: Start difference. First operand 80 states and 88 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:54:36,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:54:36,318 INFO L93 Difference]: Finished difference Result 89 states and 93 transitions. [2024-11-22 22:54:36,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:54:36,318 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-22 22:54:36,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:54:36,319 INFO L225 Difference]: With dead ends: 89 [2024-11-22 22:54:36,319 INFO L226 Difference]: Without dead ends: 77 [2024-11-22 22:54:36,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:54:36,320 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 41 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:54:36,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 63 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:54:36,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-22 22:54:36,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 73. [2024-11-22 22:54:36,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 49 states have (on average 1.489795918367347) internal successors, (73), 69 states have internal predecessors, (73), 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) [2024-11-22 22:54:36,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 77 transitions. [2024-11-22 22:54:36,327 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 77 transitions. Word has length 12 [2024-11-22 22:54:36,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:54:36,328 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 77 transitions. [2024-11-22 22:54:36,328 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:54:36,328 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2024-11-22 22:54:36,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-22 22:54:36,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:54:36,329 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:54:36,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 22:54:36,329 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:54:36,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:54:36,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1343722417, now seen corresponding path program 1 times [2024-11-22 22:54:36,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:54:36,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796293917] [2024-11-22 22:54:36,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:36,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:54:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:54:36,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:54:36,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:54:36,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796293917] [2024-11-22 22:54:36,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796293917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:54:36,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:54:36,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:54:36,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261767966] [2024-11-22 22:54:36,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:54:36,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:54:36,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:54:36,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:54:36,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:54:36,411 INFO L87 Difference]: Start difference. First operand 73 states and 77 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:54:36,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:54:36,427 INFO L93 Difference]: Finished difference Result 75 states and 77 transitions. [2024-11-22 22:54:36,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:54:36,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2024-11-22 22:54:36,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:54:36,428 INFO L225 Difference]: With dead ends: 75 [2024-11-22 22:54:36,429 INFO L226 Difference]: Without dead ends: 73 [2024-11-22 22:54:36,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:54:36,430 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 1 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:54:36,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 102 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:54:36,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-22 22:54:36,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-22 22:54:36,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 49 states have (on average 1.4489795918367347) internal successors, (71), 69 states have internal predecessors, (71), 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) [2024-11-22 22:54:36,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 75 transitions. [2024-11-22 22:54:36,435 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 75 transitions. Word has length 21 [2024-11-22 22:54:36,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:54:36,436 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 75 transitions. [2024-11-22 22:54:36,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:54:36,437 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions. [2024-11-22 22:54:36,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-22 22:54:36,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:54:36,437 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:54:36,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 22:54:36,438 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:54:36,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:54:36,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1913246411, now seen corresponding path program 1 times [2024-11-22 22:54:36,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:54:36,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135505231] [2024-11-22 22:54:36,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:36,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:54:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:54:36,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:54:36,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:54:36,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135505231] [2024-11-22 22:54:36,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135505231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:54:36,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:54:36,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:54:36,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899676380] [2024-11-22 22:54:36,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:54:36,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:54:36,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:54:36,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:54:36,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:54:36,504 INFO L87 Difference]: Start difference. First operand 73 states and 75 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:54:36,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:54:36,579 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2024-11-22 22:54:36,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:54:36,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-22 22:54:36,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:54:36,580 INFO L225 Difference]: With dead ends: 76 [2024-11-22 22:54:36,580 INFO L226 Difference]: Without dead ends: 75 [2024-11-22 22:54:36,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:54:36,581 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 1 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:54:36,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 78 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:54:36,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-22 22:54:36,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2024-11-22 22:54:36,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 50 states have (on average 1.44) internal successors, (72), 70 states have internal predecessors, (72), 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) [2024-11-22 22:54:36,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 76 transitions. [2024-11-22 22:54:36,592 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 76 transitions. Word has length 25 [2024-11-22 22:54:36,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:54:36,592 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 76 transitions. [2024-11-22 22:54:36,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:54:36,593 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2024-11-22 22:54:36,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-22 22:54:36,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:54:36,593 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:54:36,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 22:54:36,593 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:54:36,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:54:36,594 INFO L85 PathProgramCache]: Analyzing trace with hash 818903483, now seen corresponding path program 1 times [2024-11-22 22:54:36,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:54:36,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884550433] [2024-11-22 22:54:36,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:36,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:54:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:54:36,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:54:36,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:54:36,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884550433] [2024-11-22 22:54:36,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884550433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:54:36,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:54:36,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:54:36,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621259395] [2024-11-22 22:54:36,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:54:36,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:54:36,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:54:36,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:54:36,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:54:36,674 INFO L87 Difference]: Start difference. First operand 74 states and 76 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:54:36,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:54:36,725 INFO L93 Difference]: Finished difference Result 76 states and 78 transitions. [2024-11-22 22:54:36,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:54:36,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2024-11-22 22:54:36,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:54:36,726 INFO L225 Difference]: With dead ends: 76 [2024-11-22 22:54:36,726 INFO L226 Difference]: Without dead ends: 75 [2024-11-22 22:54:36,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:54:36,727 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:54:36,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:54:36,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-22 22:54:36,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-22 22:54:36,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 51 states have (on average 1.4313725490196079) internal successors, (73), 71 states have internal predecessors, (73), 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) [2024-11-22 22:54:36,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 77 transitions. [2024-11-22 22:54:36,735 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 77 transitions. Word has length 26 [2024-11-22 22:54:36,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:54:36,735 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 77 transitions. [2024-11-22 22:54:36,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:54:36,735 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 77 transitions. [2024-11-22 22:54:36,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-22 22:54:36,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:54:36,736 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:54:36,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 22:54:36,736 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:54:36,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:54:36,736 INFO L85 PathProgramCache]: Analyzing trace with hash 539457580, now seen corresponding path program 1 times [2024-11-22 22:54:36,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:54:36,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257230319] [2024-11-22 22:54:36,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:36,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:54:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:54:36,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:54:36,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:54:36,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257230319] [2024-11-22 22:54:36,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257230319] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:54:36,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707028219] [2024-11-22 22:54:36,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:36,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:54:36,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:54:36,785 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) [2024-11-22 22:54:36,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 22:54:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:54:36,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:54:36,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:54:36,897 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:54:36,897 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:54:36,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1707028219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:54:36,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:54:36,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-22 22:54:36,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733060485] [2024-11-22 22:54:36,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:54:36,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:54:36,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:54:36,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:54:36,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:54:36,898 INFO L87 Difference]: Start difference. First operand 75 states and 77 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:54:36,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:54:36,930 INFO L93 Difference]: Finished difference Result 90 states and 91 transitions. [2024-11-22 22:54:36,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:54:36,931 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-11-22 22:54:36,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:54:36,932 INFO L225 Difference]: With dead ends: 90 [2024-11-22 22:54:36,932 INFO L226 Difference]: Without dead ends: 89 [2024-11-22 22:54:36,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:54:36,933 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 33 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:54:36,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 201 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:54:36,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-22 22:54:36,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 74. [2024-11-22 22:54:36,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.411764705882353) internal successors, (72), 70 states have internal predecessors, (72), 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) [2024-11-22 22:54:36,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 76 transitions. [2024-11-22 22:54:36,939 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 76 transitions. Word has length 29 [2024-11-22 22:54:36,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:54:36,939 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 76 transitions. [2024-11-22 22:54:36,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:54:36,940 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2024-11-22 22:54:36,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-22 22:54:36,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:54:36,940 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:54:36,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 22:54:37,140 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,SelfDestructingSolverStorable9 [2024-11-22 22:54:37,142 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:54:37,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:54:37,142 INFO L85 PathProgramCache]: Analyzing trace with hash -786810108, now seen corresponding path program 1 times [2024-11-22 22:54:37,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:54:37,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557785401] [2024-11-22 22:54:37,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:37,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:54:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:54:37,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1167710368] [2024-11-22 22:54:37,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:37,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:54:37,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:54:37,159 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) [2024-11-22 22:54:37,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 22:54:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:54:37,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:54:37,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:54:37,236 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:54:37,236 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:54:37,302 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:54:37,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:54:37,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557785401] [2024-11-22 22:54:37,302 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:54:37,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167710368] [2024-11-22 22:54:37,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167710368] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:54:37,302 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:54:37,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-22 22:54:37,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372460683] [2024-11-22 22:54:37,302 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:54:37,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:54:37,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:54:37,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:54:37,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:54:37,303 INFO L87 Difference]: Start difference. First operand 74 states and 76 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 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) [2024-11-22 22:54:37,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:54:37,450 INFO L93 Difference]: Finished difference Result 152 states and 187 transitions. [2024-11-22 22:54:37,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:54:37,451 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 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 32 [2024-11-22 22:54:37,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:54:37,454 INFO L225 Difference]: With dead ends: 152 [2024-11-22 22:54:37,454 INFO L226 Difference]: Without dead ends: 148 [2024-11-22 22:54:37,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:54:37,455 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 95 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:54:37,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 119 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:54:37,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-22 22:54:37,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 120. [2024-11-22 22:54:37,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 97 states have (on average 1.4536082474226804) internal successors, (141), 114 states have internal predecessors, (141), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:54:37,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 149 transitions. [2024-11-22 22:54:37,461 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 149 transitions. Word has length 32 [2024-11-22 22:54:37,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:54:37,461 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 149 transitions. [2024-11-22 22:54:37,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 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) [2024-11-22 22:54:37,462 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 149 transitions. [2024-11-22 22:54:37,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-22 22:54:37,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:54:37,462 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:54:37,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 22:54:37,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:54:37,663 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:54:37,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:54:37,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1378690480, now seen corresponding path program 1 times [2024-11-22 22:54:37,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:54:37,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19202984] [2024-11-22 22:54:37,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:37,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:54:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:54:37,739 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:54:37,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:54:37,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19202984] [2024-11-22 22:54:37,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19202984] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:54:37,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683625876] [2024-11-22 22:54:37,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:37,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:54:37,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:54:37,742 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) [2024-11-22 22:54:37,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 22:54:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:54:37,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:54:37,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:54:37,861 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:54:37,861 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:54:37,915 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:54:37,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683625876] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:54:37,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:54:37,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-22 22:54:37,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655699786] [2024-11-22 22:54:37,916 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:54:37,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:54:37,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:54:37,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:54:37,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:54:37,917 INFO L87 Difference]: Start difference. First operand 120 states and 149 transitions. Second operand has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:54:38,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:54:38,026 INFO L93 Difference]: Finished difference Result 120 states and 149 transitions. [2024-11-22 22:54:38,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:54:38,026 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 33 [2024-11-22 22:54:38,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:54:38,027 INFO L225 Difference]: With dead ends: 120 [2024-11-22 22:54:38,027 INFO L226 Difference]: Without dead ends: 117 [2024-11-22 22:54:38,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:54:38,028 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 63 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:54:38,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 100 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:54:38,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-22 22:54:38,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-22 22:54:38,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 97 states have (on average 1.3814432989690721) internal successors, (134), 111 states have internal predecessors, (134), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:54:38,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 142 transitions. [2024-11-22 22:54:38,037 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 142 transitions. Word has length 33 [2024-11-22 22:54:38,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:54:38,037 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 142 transitions. [2024-11-22 22:54:38,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:54:38,037 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 142 transitions. [2024-11-22 22:54:38,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-22 22:54:38,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:54:38,038 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:54:38,044 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 22:54:38,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:54:38,242 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:54:38,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:54:38,242 INFO L85 PathProgramCache]: Analyzing trace with hash -210268026, now seen corresponding path program 1 times [2024-11-22 22:54:38,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:54:38,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083654253] [2024-11-22 22:54:38,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:38,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:54:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:54:38,293 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:54:38,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:54:38,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083654253] [2024-11-22 22:54:38,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083654253] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:54:38,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157300513] [2024-11-22 22:54:38,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:38,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:54:38,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:54:38,296 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) [2024-11-22 22:54:38,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 22:54:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:54:38,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:54:38,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:54:38,410 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:54:38,411 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:54:38,466 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:54:38,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157300513] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:54:38,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:54:38,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-22 22:54:38,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247860611] [2024-11-22 22:54:38,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:54:38,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:54:38,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:54:38,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:54:38,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:54:38,470 INFO L87 Difference]: Start difference. First operand 117 states and 142 transitions. Second operand has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:54:38,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:54:38,591 INFO L93 Difference]: Finished difference Result 134 states and 159 transitions. [2024-11-22 22:54:38,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:54:38,591 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 34 [2024-11-22 22:54:38,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:54:38,592 INFO L225 Difference]: With dead ends: 134 [2024-11-22 22:54:38,592 INFO L226 Difference]: Without dead ends: 127 [2024-11-22 22:54:38,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:54:38,593 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 66 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:54:38,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 122 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:54:38,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-22 22:54:38,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 117. [2024-11-22 22:54:38,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 101 states have (on average 1.2574257425742574) internal successors, (127), 111 states have internal predecessors, (127), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:54:38,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2024-11-22 22:54:38,600 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 34 [2024-11-22 22:54:38,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:54:38,600 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2024-11-22 22:54:38,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:54:38,600 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2024-11-22 22:54:38,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-22 22:54:38,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:54:38,601 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-22 22:54:38,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 22:54:38,807 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,SelfDestructingSolverStorable12 [2024-11-22 22:54:38,808 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:54:38,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:54:38,808 INFO L85 PathProgramCache]: Analyzing trace with hash -204108280, now seen corresponding path program 1 times [2024-11-22 22:54:38,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:54:38,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307311432] [2024-11-22 22:54:38,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:38,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:54:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:54:38,886 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:54:38,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:54:38,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307311432] [2024-11-22 22:54:38,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307311432] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:54:38,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100205550] [2024-11-22 22:54:38,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:38,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:54:38,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:54:38,888 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) [2024-11-22 22:54:38,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 22:54:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:54:38,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:54:38,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:54:39,046 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:54:39,046 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:54:39,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100205550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:54:39,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:54:39,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-22 22:54:39,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555267459] [2024-11-22 22:54:39,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:54:39,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:54:39,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:54:39,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:54:39,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:54:39,047 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:54:39,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:54:39,094 INFO L93 Difference]: Finished difference Result 119 states and 137 transitions. [2024-11-22 22:54:39,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:54:39,094 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-11-22 22:54:39,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:54:39,095 INFO L225 Difference]: With dead ends: 119 [2024-11-22 22:54:39,095 INFO L226 Difference]: Without dead ends: 105 [2024-11-22 22:54:39,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:54:39,095 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 47 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:54:39,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 45 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:54:39,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-22 22:54:39,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-11-22 22:54:39,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 93 states have (on average 1.1397849462365592) internal successors, (106), 99 states have internal predecessors, (106), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:54:39,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 114 transitions. [2024-11-22 22:54:39,099 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 114 transitions. Word has length 36 [2024-11-22 22:54:39,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:54:39,100 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 114 transitions. [2024-11-22 22:54:39,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:54:39,100 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 114 transitions. [2024-11-22 22:54:39,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-22 22:54:39,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:54:39,100 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-22 22:54:39,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-22 22:54:39,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:54:39,305 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:54:39,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:54:39,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1169456872, now seen corresponding path program 1 times [2024-11-22 22:54:39,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:54:39,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377670514] [2024-11-22 22:54:39,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:39,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:54:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:54:39,344 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:54:39,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:54:39,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377670514] [2024-11-22 22:54:39,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377670514] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:54:39,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224412623] [2024-11-22 22:54:39,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:39,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:54:39,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:54:39,347 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) [2024-11-22 22:54:39,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 22:54:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:54:39,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:54:39,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:54:39,413 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:54:39,413 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:54:39,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224412623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:54:39,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:54:39,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-22 22:54:39,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780954364] [2024-11-22 22:54:39,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:54:39,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:54:39,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:54:39,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:54:39,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:54:39,415 INFO L87 Difference]: Start difference. First operand 105 states and 114 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-11-22 22:54:39,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:54:39,426 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2024-11-22 22:54:39,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:54:39,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 45 [2024-11-22 22:54:39,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:54:39,427 INFO L225 Difference]: With dead ends: 105 [2024-11-22 22:54:39,427 INFO L226 Difference]: Without dead ends: 104 [2024-11-22 22:54:39,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:54:39,427 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 19 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:54:39,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 64 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:54:39,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-22 22:54:39,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-22 22:54:39,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 93 states have (on average 1.10752688172043) internal successors, (103), 98 states have internal predecessors, (103), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:54:39,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 111 transitions. [2024-11-22 22:54:39,433 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 111 transitions. Word has length 45 [2024-11-22 22:54:39,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:54:39,433 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 111 transitions. [2024-11-22 22:54:39,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-11-22 22:54:39,433 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 111 transitions. [2024-11-22 22:54:39,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-22 22:54:39,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:54:39,437 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-22 22:54:39,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-22 22:54:39,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:54:39,642 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:54:39,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:54:39,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1893424592, now seen corresponding path program 1 times [2024-11-22 22:54:39,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:54:39,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62551773] [2024-11-22 22:54:39,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:39,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:54:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:54:39,673 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:54:39,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:54:39,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62551773] [2024-11-22 22:54:39,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62551773] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:54:39,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613029797] [2024-11-22 22:54:39,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:39,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:54:39,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:54:39,676 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) [2024-11-22 22:54:39,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-22 22:54:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:54:39,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:54:39,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:54:39,748 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:54:39,748 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:54:39,796 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:54:39,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613029797] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:54:39,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:54:39,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-22 22:54:39,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625909713] [2024-11-22 22:54:39,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:54:39,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:54:39,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:54:39,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:54:39,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:54:39,799 INFO L87 Difference]: Start difference. First operand 104 states and 111 transitions. Second operand has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-22 22:54:39,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:54:39,825 INFO L93 Difference]: Finished difference Result 120 states and 126 transitions. [2024-11-22 22:54:39,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:54:39,825 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 46 [2024-11-22 22:54:39,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:54:39,826 INFO L225 Difference]: With dead ends: 120 [2024-11-22 22:54:39,826 INFO L226 Difference]: Without dead ends: 119 [2024-11-22 22:54:39,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:54:39,827 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 11 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:54:39,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 140 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:54:39,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-22 22:54:39,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 114. [2024-11-22 22:54:39,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 102 states have (on average 1.088235294117647) internal successors, (111), 107 states have internal predecessors, (111), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-22 22:54:39,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 121 transitions. [2024-11-22 22:54:39,834 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 121 transitions. Word has length 46 [2024-11-22 22:54:39,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:54:39,834 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 121 transitions. [2024-11-22 22:54:39,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-22 22:54:39,834 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 121 transitions. [2024-11-22 22:54:39,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-22 22:54:39,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:54:39,835 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2024-11-22 22:54:39,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-22 22:54:40,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-22 22:54:40,036 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:54:40,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:54:40,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1909658797, now seen corresponding path program 1 times [2024-11-22 22:54:40,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:54:40,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476854806] [2024-11-22 22:54:40,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:40,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:54:40,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:54:40,131 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:54:40,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:54:40,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476854806] [2024-11-22 22:54:40,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476854806] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:54:40,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98874781] [2024-11-22 22:54:40,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:54:40,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:54:40,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:54:40,134 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) [2024-11-22 22:54:40,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-22 22:54:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:54:40,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:54:40,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:54:40,355 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:54:40,355 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:54:40,490 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:54:40,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98874781] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:54:40,491 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:54:40,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-22 22:54:40,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102562422] [2024-11-22 22:54:40,492 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:54:40,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-22 22:54:40,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:54:40,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-22 22:54:40,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-11-22 22:54:40,493 INFO L87 Difference]: Start difference. First operand 114 states and 121 transitions. Second operand has 20 states, 19 states have (on average 9.368421052631579) internal successors, (178), 20 states have internal predecessors, (178), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 22:54:40,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:54:40,688 INFO L93 Difference]: Finished difference Result 171 states and 190 transitions. [2024-11-22 22:54:40,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 22:54:40,688 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 9.368421052631579) internal successors, (178), 20 states have internal predecessors, (178), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 74 [2024-11-22 22:54:40,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:54:40,689 INFO L225 Difference]: With dead ends: 171 [2024-11-22 22:54:40,689 INFO L226 Difference]: Without dead ends: 170 [2024-11-22 22:54:40,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2024-11-22 22:54:40,690 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 52 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:54:40,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 116 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:54:40,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-22 22:54:40,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 158. [2024-11-22 22:54:40,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 144 states have (on average 1.1111111111111112) internal successors, (160), 149 states have internal predecessors, (160), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 22:54:40,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 174 transitions. [2024-11-22 22:54:40,695 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 174 transitions. Word has length 74 [2024-11-22 22:54:40,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:54:40,696 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 174 transitions. [2024-11-22 22:54:40,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 9.368421052631579) internal successors, (178), 20 states have internal predecessors, (178), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 22:54:40,696 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 174 transitions. [2024-11-22 22:54:40,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-22 22:54:40,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:54:40,696 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-22 22:54:40,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-22 22:54:40,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-22 22:54:40,901 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:54:40,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:54:40,901 INFO L85 PathProgramCache]: Analyzing trace with hash -722331272, now seen corresponding path program 2 times [2024-11-22 22:54:40,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:54:40,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103924995] [2024-11-22 22:54:40,902 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:54:40,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:54:40,912 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:54:40,912 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:54:41,005 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:54:41,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:54:41,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103924995] [2024-11-22 22:54:41,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103924995] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:54:41,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116685517] [2024-11-22 22:54:41,005 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:54:41,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:54:41,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:54:41,007 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) [2024-11-22 22:54:41,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-22 22:54:41,040 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:54:41,040 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:54:41,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:54:41,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:54:41,222 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:54:41,222 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:54:41,393 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 22:54:41,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116685517] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:54:41,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:54:41,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-22 22:54:41,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137544510] [2024-11-22 22:54:41,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:54:41,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-22 22:54:41,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:54:41,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-22 22:54:41,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:54:41,395 INFO L87 Difference]: Start difference. First operand 158 states and 174 transitions. Second operand has 22 states, 21 states have (on average 9.238095238095237) internal successors, (194), 22 states have internal predecessors, (194), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 22:54:41,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:54:41,653 INFO L93 Difference]: Finished difference Result 186 states and 202 transitions. [2024-11-22 22:54:41,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 22:54:41,653 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 9.238095238095237) internal successors, (194), 22 states have internal predecessors, (194), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 82 [2024-11-22 22:54:41,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:54:41,654 INFO L225 Difference]: With dead ends: 186 [2024-11-22 22:54:41,654 INFO L226 Difference]: Without dead ends: 174 [2024-11-22 22:54:41,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=321, Invalid=549, Unknown=0, NotChecked=0, Total=870 [2024-11-22 22:54:41,655 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 110 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:54:41,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 177 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:54:41,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-22 22:54:41,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 166. [2024-11-22 22:54:41,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 152 states have (on average 1.0921052631578947) internal successors, (166), 157 states have internal predecessors, (166), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 22:54:41,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 180 transitions. [2024-11-22 22:54:41,660 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 180 transitions. Word has length 82 [2024-11-22 22:54:41,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:54:41,660 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 180 transitions. [2024-11-22 22:54:41,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 9.238095238095237) internal successors, (194), 22 states have internal predecessors, (194), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 22:54:41,661 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 180 transitions. [2024-11-22 22:54:41,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-22 22:54:41,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:54:41,661 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-22 22:54:41,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-22 22:54:41,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-22 22:54:41,866 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:54:41,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:54:41,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1306599087, now seen corresponding path program 2 times [2024-11-22 22:54:41,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:54:41,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550070728] [2024-11-22 22:54:41,866 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:54:41,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:54:41,884 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:54:41,885 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:54:41,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [912955182] [2024-11-22 22:54:41,885 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:54:41,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:54:41,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:54:41,887 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) [2024-11-22 22:54:41,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-22 22:54:41,923 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:54:41,923 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:54:41,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-22 22:54:41,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:54:42,011 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:54:42,011 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:54:42,186 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:54:42,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:54:42,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550070728] [2024-11-22 22:54:42,186 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:54:42,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912955182] [2024-11-22 22:54:42,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [912955182] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:54:42,186 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:54:42,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-22 22:54:42,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025949436] [2024-11-22 22:54:42,186 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:54:42,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:54:42,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:54:42,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:54:42,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:54:42,187 INFO L87 Difference]: Start difference. First operand 166 states and 180 transitions. Second operand has 12 states, 11 states have (on average 15.454545454545455) internal successors, (170), 12 states have internal predecessors, (170), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:54:42,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:54:42,445 INFO L93 Difference]: Finished difference Result 249 states and 272 transitions. [2024-11-22 22:54:42,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:54:42,445 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 15.454545454545455) internal successors, (170), 12 states have internal predecessors, (170), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 104 [2024-11-22 22:54:42,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:54:42,446 INFO L225 Difference]: With dead ends: 249 [2024-11-22 22:54:42,446 INFO L226 Difference]: Without dead ends: 241 [2024-11-22 22:54:42,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:54:42,447 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 146 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:54:42,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 363 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:54:42,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-22 22:54:42,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 224. [2024-11-22 22:54:42,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 207 states have (on average 1.0917874396135265) internal successors, (226), 212 states have internal predecessors, (226), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-22 22:54:42,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 246 transitions. [2024-11-22 22:54:42,454 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 246 transitions. Word has length 104 [2024-11-22 22:54:42,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:54:42,454 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 246 transitions. [2024-11-22 22:54:42,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 15.454545454545455) internal successors, (170), 12 states have internal predecessors, (170), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:54:42,454 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 246 transitions. [2024-11-22 22:54:42,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-22 22:54:42,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:54:42,455 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-22 22:54:42,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-22 22:54:42,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:54:42,655 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:54:42,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:54:42,656 INFO L85 PathProgramCache]: Analyzing trace with hash -835567973, now seen corresponding path program 2 times [2024-11-22 22:54:42,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:54:42,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239905612] [2024-11-22 22:54:42,656 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:54:42,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:54:42,666 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 22:54:42,666 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:54:42,684 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-11-22 22:54:42,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:54:42,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239905612] [2024-11-22 22:54:42,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239905612] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:54:42,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913536403] [2024-11-22 22:54:42,685 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:54:42,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:54:42,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:54:42,687 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) [2024-11-22 22:54:42,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-22 22:54:42,714 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 22:54:42,714 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:54:42,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:54:42,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:54:42,794 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-11-22 22:54:42,795 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:54:42,896 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-11-22 22:54:42,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913536403] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:54:42,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:54:42,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-22 22:54:42,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733604664] [2024-11-22 22:54:42,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:54:42,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:54:42,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:54:42,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:54:42,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:54:42,898 INFO L87 Difference]: Start difference. First operand 224 states and 246 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 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) [2024-11-22 22:54:42,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:54:42,915 INFO L93 Difference]: Finished difference Result 224 states and 246 transitions. [2024-11-22 22:54:42,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:54:42,916 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 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 118 [2024-11-22 22:54:42,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:54:42,917 INFO L225 Difference]: With dead ends: 224 [2024-11-22 22:54:42,917 INFO L226 Difference]: Without dead ends: 223 [2024-11-22 22:54:42,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:54:42,918 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 55 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:54:42,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 72 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:54:42,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-22 22:54:42,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2024-11-22 22:54:42,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 207 states have (on average 1.0628019323671498) internal successors, (220), 211 states have internal predecessors, (220), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-22 22:54:42,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 240 transitions. [2024-11-22 22:54:42,924 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 240 transitions. Word has length 118 [2024-11-22 22:54:42,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:54:42,924 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 240 transitions. [2024-11-22 22:54:42,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 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) [2024-11-22 22:54:42,924 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 240 transitions. [2024-11-22 22:54:42,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-22 22:54:42,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:54:42,925 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1] [2024-11-22 22:54:42,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-22 22:54:43,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:54:43,126 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:54:43,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:54:43,126 INFO L85 PathProgramCache]: Analyzing trace with hash 84477585, now seen corresponding path program 2 times [2024-11-22 22:54:43,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:54:43,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611113073] [2024-11-22 22:54:43,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:54:43,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:54:43,146 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:54:43,146 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:54:43,434 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:54:43,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:54:43,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611113073] [2024-11-22 22:54:43,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611113073] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:54:43,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15350884] [2024-11-22 22:54:43,435 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:54:43,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:54:43,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:54:43,436 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) [2024-11-22 22:54:43,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-22 22:54:43,469 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 22:54:43,469 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:54:43,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:54:43,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:54:43,610 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2024-11-22 22:54:43,610 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:54:43,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [15350884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:54:43,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:54:43,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 20 [2024-11-22 22:54:43,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304829261] [2024-11-22 22:54:43,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:54:43,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:54:43,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:54:43,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:54:43,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2024-11-22 22:54:43,612 INFO L87 Difference]: Start difference. First operand 223 states and 240 transitions. Second operand has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:54:43,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:54:43,680 INFO L93 Difference]: Finished difference Result 225 states and 242 transitions. [2024-11-22 22:54:43,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:54:43,681 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 170 [2024-11-22 22:54:43,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:54:43,682 INFO L225 Difference]: With dead ends: 225 [2024-11-22 22:54:43,682 INFO L226 Difference]: Without dead ends: 224 [2024-11-22 22:54:43,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:54:43,683 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 25 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:54:43,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 76 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:54:43,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-22 22:54:43,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 222. [2024-11-22 22:54:43,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 207 states have (on average 1.0434782608695652) internal successors, (216), 210 states have internal predecessors, (216), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-22 22:54:43,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 236 transitions. [2024-11-22 22:54:43,690 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 236 transitions. Word has length 170 [2024-11-22 22:54:43,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:54:43,690 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 236 transitions. [2024-11-22 22:54:43,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:54:43,690 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 236 transitions. [2024-11-22 22:54:43,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-22 22:54:43,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:54:43,691 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1] [2024-11-22 22:54:43,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-22 22:54:43,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-22 22:54:43,896 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:54:43,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:54:43,896 INFO L85 PathProgramCache]: Analyzing trace with hash -593893540, now seen corresponding path program 3 times [2024-11-22 22:54:43,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:54:43,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212383006] [2024-11-22 22:54:43,896 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:54:43,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:54:43,934 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-22 22:54:43,934 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:54:44,264 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 0 proven. 476 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:54:44,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:54:44,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212383006] [2024-11-22 22:54:44,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212383006] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:54:44,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222532343] [2024-11-22 22:54:44,264 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:54:44,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:54:44,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:54:44,267 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) [2024-11-22 22:54:44,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-22 22:54:44,299 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-22 22:54:44,300 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:54:44,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 22:54:44,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:55:48,606 WARN L873 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~y~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (and (= (mod (+ |ULTIMATE.start_main_~y~0#1| .cse0) 2) 0) (<= .cse0 9223372036854775807) (<= |c_ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~y~0#1| (div (+ (* (- 1) |ULTIMATE.start_main_~y~0#1|) .cse0) 2)))))) is different from true [2024-11-22 22:55:52,623 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2024-11-22 22:55:52,623 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:55:52,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222532343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:55:52,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:55:52,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [16] total 23 [2024-11-22 22:55:52,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853807579] [2024-11-22 22:55:52,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:55:52,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:55:52,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:55:52,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:55:52,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=417, Unknown=7, NotChecked=42, Total=552 [2024-11-22 22:55:52,624 INFO L87 Difference]: Start difference. First operand 222 states and 236 transitions. Second operand has 9 states, 8 states have (on average 5.875) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:56:09,826 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification. DAG size of input: 22 DAG size of output: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-22 22:56:17,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:56:17,998 INFO L93 Difference]: Finished difference Result 224 states and 238 transitions. [2024-11-22 22:56:17,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:56:18,000 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 178 [2024-11-22 22:56:18,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:56:18,000 INFO L225 Difference]: With dead ends: 224 [2024-11-22 22:56:18,001 INFO L226 Difference]: Without dead ends: 218 [2024-11-22 22:56:18,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 172 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 60.5s TimeCoverageRelationStatistics Valid=116, Invalid=634, Unknown=10, NotChecked=52, Total=812 [2024-11-22 22:56:18,001 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 58 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 51 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:56:18,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 55 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 102 Invalid, 0 Unknown, 51 Unchecked, 1.0s Time] [2024-11-22 22:56:18,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-22 22:56:18,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 216. [2024-11-22 22:56:18,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 203 states have (on average 1.0098522167487685) internal successors, (205), 204 states have internal predecessors, (205), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-22 22:56:18,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 225 transitions. [2024-11-22 22:56:18,015 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 225 transitions. Word has length 178 [2024-11-22 22:56:18,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:56:18,015 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 225 transitions. [2024-11-22 22:56:18,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:56:18,015 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 225 transitions. [2024-11-22 22:56:18,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-22 22:56:18,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:56:18,017 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1] [2024-11-22 22:56:18,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-22 22:56:18,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:56:18,221 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-22 22:56:18,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:56:18,222 INFO L85 PathProgramCache]: Analyzing trace with hash -633156347, now seen corresponding path program 3 times [2024-11-22 22:56:18,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:56:18,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619803529] [2024-11-22 22:56:18,222 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:56:18,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:56:18,281 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-22 22:56:18,282 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:56:18,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1306716385] [2024-11-22 22:56:18,285 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:56:18,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:56:18,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:56:18,287 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) [2024-11-22 22:56:18,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-22 22:56:18,402 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-22 22:56:18,402 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:56:18,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-22 22:56:18,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:56:18,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 0 proven. 960 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-22 22:56:18,698 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:56:19,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 0 proven. 960 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-22 22:56:19,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:56:19,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619803529] [2024-11-22 22:56:19,305 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:56:19,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306716385] [2024-11-22 22:56:19,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306716385] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:56:19,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:56:19,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-11-22 22:56:19,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112721201] [2024-11-22 22:56:19,305 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:56:19,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-22 22:56:19,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:56:19,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-22 22:56:19,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2024-11-22 22:56:19,307 INFO L87 Difference]: Start difference. First operand 216 states and 225 transitions. Second operand has 24 states, 23 states have (on average 17.304347826086957) internal successors, (398), 24 states have internal predecessors, (398), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)