./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.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 464ff86972962e190fa8e3bdd89b592f22b90512739ab3fd4df7709eb39adee3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 13:49:23,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 13:49:23,616 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 13:49:23,623 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 13:49:23,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 13:49:23,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 13:49:23,657 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 13:49:23,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 13:49:23,658 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 13:49:23,659 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 13:49:23,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 13:49:23,659 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 13:49:23,660 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 13:49:23,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 13:49:23,663 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 13:49:23,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 13:49:23,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 13:49:23,664 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 13:49:23,664 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 13:49:23,664 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 13:49:23,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 13:49:23,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 13:49:23,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 13:49:23,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 13:49:23,666 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 13:49:23,666 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 13:49:23,666 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 13:49:23,666 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 13:49:23,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 13:49:23,667 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 13:49:23,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 13:49:23,667 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 13:49:23,668 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 13:49:23,668 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 13:49:23,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:49:23,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 13:49:23,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 13:49:23,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 13:49:23,673 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 13:49:23,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 13:49:23,673 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 13:49:23,674 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 13:49:23,674 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 13:49:23,675 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 13:49:23,675 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 464ff86972962e190fa8e3bdd89b592f22b90512739ab3fd4df7709eb39adee3 [2024-10-13 13:49:23,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 13:49:23,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 13:49:23,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 13:49:23,925 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 13:49:23,929 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 13:49:23,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c [2024-10-13 13:49:25,358 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 13:49:25,534 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 13:49:25,534 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c [2024-10-13 13:49:25,543 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/690e50d8a/30360375cd734b139155ad4883604e11/FLAG373a3ee24 [2024-10-13 13:49:25,920 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/690e50d8a/30360375cd734b139155ad4883604e11 [2024-10-13 13:49:25,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 13:49:25,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 13:49:25,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 13:49:25,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 13:49:25,931 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 13:49:25,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:49:25" (1/1) ... [2024-10-13 13:49:25,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78b5ebab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:49:25, skipping insertion in model container [2024-10-13 13:49:25,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:49:25" (1/1) ... [2024-10-13 13:49:25,950 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 13:49:26,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:49:26,134 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 13:49:26,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:49:26,164 INFO L204 MainTranslator]: Completed translation [2024-10-13 13:49:26,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:49:26 WrapperNode [2024-10-13 13:49:26,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 13:49:26,165 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 13:49:26,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 13:49:26,165 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 13:49:26,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:49:26" (1/1) ... [2024-10-13 13:49:26,181 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:49:26" (1/1) ... [2024-10-13 13:49:26,195 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-10-13 13:49:26,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 13:49:26,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 13:49:26,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 13:49:26,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 13:49:26,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:49:26" (1/1) ... [2024-10-13 13:49:26,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:49:26" (1/1) ... [2024-10-13 13:49:26,207 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:49:26" (1/1) ... [2024-10-13 13:49:26,221 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]. [2024-10-13 13:49:26,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:49:26" (1/1) ... [2024-10-13 13:49:26,221 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:49:26" (1/1) ... [2024-10-13 13:49:26,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:49:26" (1/1) ... [2024-10-13 13:49:26,226 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:49:26" (1/1) ... [2024-10-13 13:49:26,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:49:26" (1/1) ... [2024-10-13 13:49:26,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:49:26" (1/1) ... [2024-10-13 13:49:26,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 13:49:26,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 13:49:26,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 13:49:26,231 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 13:49:26,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:49:26" (1/1) ... [2024-10-13 13:49:26,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:49:26,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:49:26,288 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) [2024-10-13 13:49:26,295 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 [2024-10-13 13:49:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 13:49:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 13:49:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 13:49:26,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 13:49:26,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 13:49:26,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 13:49:26,417 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 13:49:26,419 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 13:49:26,700 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-10-13 13:49:26,704 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 13:49:26,736 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 13:49:26,737 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 13:49:26,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:49:26 BoogieIcfgContainer [2024-10-13 13:49:26,737 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 13:49:26,740 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 13:49:26,740 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 13:49:26,743 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 13:49:26,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:49:25" (1/3) ... [2024-10-13 13:49:26,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15a3f675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:49:26, skipping insertion in model container [2024-10-13 13:49:26,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:49:26" (2/3) ... [2024-10-13 13:49:26,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15a3f675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:49:26, skipping insertion in model container [2024-10-13 13:49:26,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:49:26" (3/3) ... [2024-10-13 13:49:26,748 INFO L112 eAbstractionObserver]: Analyzing ICFG ps2-ll_valuebound10.c [2024-10-13 13:49:26,766 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 13:49:26,766 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-10-13 13:49:26,836 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 13:49:26,844 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;@68157a4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 13:49:26,844 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-10-13 13:49:26,848 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 31 states have (on average 1.8709677419354838) internal successors, (58), 53 states have internal predecessors, (58), 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) [2024-10-13 13:49:26,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-13 13:49:26,855 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:49:26,856 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-13 13:49:26,857 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 13:49:26,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:49:26,863 INFO L85 PathProgramCache]: Analyzing trace with hash 115598281, now seen corresponding path program 1 times [2024-10-13 13:49:26,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:49:26,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047076620] [2024-10-13 13:49:26,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:26,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:49:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:27,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:49:27,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:49:27,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047076620] [2024-10-13 13:49:27,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047076620] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:49:27,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:49:27,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:49:27,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879585968] [2024-10-13 13:49:27,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:49:27,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 13:49:27,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:49:27,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 13:49:27,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 13:49:27,051 INFO L87 Difference]: Start difference. First operand has 57 states, 31 states have (on average 1.8709677419354838) internal successors, (58), 53 states have internal predecessors, (58), 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 2.5) internal successors, (5), 2 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) [2024-10-13 13:49:27,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:49:27,092 INFO L93 Difference]: Finished difference Result 110 states and 123 transitions. [2024-10-13 13:49:27,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 13:49:27,094 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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 [2024-10-13 13:49:27,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:49:27,099 INFO L225 Difference]: With dead ends: 110 [2024-10-13 13:49:27,099 INFO L226 Difference]: Without dead ends: 52 [2024-10-13 13:49:27,102 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 [2024-10-13 13:49:27,105 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:49:27,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:49:27,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-13 13:49:27,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-10-13 13:49:27,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.6666666666666667) internal successors, (50), 49 states have internal predecessors, (50), 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) [2024-10-13 13:49:27,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2024-10-13 13:49:27,137 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 5 [2024-10-13 13:49:27,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:49:27,137 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2024-10-13 13:49:27,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2024-10-13 13:49:27,137 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2024-10-13 13:49:27,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 13:49:27,138 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:49:27,138 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 13:49:27,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 13:49:27,138 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 13:49:27,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:49:27,139 INFO L85 PathProgramCache]: Analyzing trace with hash -709572716, now seen corresponding path program 1 times [2024-10-13 13:49:27,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:49:27,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083891557] [2024-10-13 13:49:27,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:27,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:49:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:49:27,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [467204086] [2024-10-13 13:49:27,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:27,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:49:27,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:49:27,165 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) [2024-10-13 13:49:27,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 13:49:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:27,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:49:27,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:49:27,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:49:27,235 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:49:27,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:49:27,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083891557] [2024-10-13 13:49:27,236 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:49:27,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467204086] [2024-10-13 13:49:27,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467204086] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:49:27,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:49:27,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:49:27,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501825092] [2024-10-13 13:49:27,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:49:27,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:49:27,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:49:27,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:49:27,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:49:27,240 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-13 13:49:27,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:49:27,344 INFO L93 Difference]: Finished difference Result 85 states and 94 transitions. [2024-10-13 13:49:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:49:27,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2024-10-13 13:49:27,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:49:27,346 INFO L225 Difference]: With dead ends: 85 [2024-10-13 13:49:27,347 INFO L226 Difference]: Without dead ends: 81 [2024-10-13 13:49:27,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:49:27,348 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 25 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:49:27,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 51 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:49:27,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-10-13 13:49:27,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 69. [2024-10-13 13:49:27,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 46 states have (on average 1.6304347826086956) internal successors, (75), 65 states have internal predecessors, (75), 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) [2024-10-13 13:49:27,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 79 transitions. [2024-10-13 13:49:27,384 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 79 transitions. Word has length 6 [2024-10-13 13:49:27,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:49:27,384 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 79 transitions. [2024-10-13 13:49:27,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-13 13:49:27,385 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2024-10-13 13:49:27,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-13 13:49:27,385 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:49:27,385 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:49:27,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-13 13:49:27,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:49:27,586 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 13:49:27,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:49:27,587 INFO L85 PathProgramCache]: Analyzing trace with hash -521917662, now seen corresponding path program 1 times [2024-10-13 13:49:27,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:49:27,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35826039] [2024-10-13 13:49:27,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:27,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:49:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:27,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:49:27,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:49:27,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35826039] [2024-10-13 13:49:27,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35826039] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:49:27,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:49:27,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:49:27,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294403475] [2024-10-13 13:49:27,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:49:27,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:49:27,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:49:27,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:49:27,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:49:27,686 INFO L87 Difference]: Start difference. First operand 69 states and 79 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-10-13 13:49:27,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:49:27,797 INFO L93 Difference]: Finished difference Result 87 states and 94 transitions. [2024-10-13 13:49:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:49:27,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2024-10-13 13:49:27,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:49:27,800 INFO L225 Difference]: With dead ends: 87 [2024-10-13 13:49:27,801 INFO L226 Difference]: Without dead ends: 79 [2024-10-13 13:49:27,802 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 [2024-10-13 13:49:27,803 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 22 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:49:27,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 55 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:49:27,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-13 13:49:27,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 74. [2024-10-13 13:49:27,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 70 states have internal predecessors, (77), 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) [2024-10-13 13:49:27,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2024-10-13 13:49:27,819 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 81 transitions. Word has length 7 [2024-10-13 13:49:27,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:49:27,820 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 81 transitions. [2024-10-13 13:49:27,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-10-13 13:49:27,820 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2024-10-13 13:49:27,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-13 13:49:27,820 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:49:27,821 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:49:27,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 13:49:27,821 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 13:49:27,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:49:27,822 INFO L85 PathProgramCache]: Analyzing trace with hash -667401448, now seen corresponding path program 1 times [2024-10-13 13:49:27,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:49:27,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854632255] [2024-10-13 13:49:27,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:27,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:49:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:27,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:49:27,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:49:27,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854632255] [2024-10-13 13:49:27,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854632255] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:49:27,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:49:27,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:49:27,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639895746] [2024-10-13 13:49:27,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:49:27,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:49:27,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:49:27,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:49:27,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:49:27,952 INFO L87 Difference]: Start difference. First operand 74 states and 81 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-10-13 13:49:28,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:49:28,067 INFO L93 Difference]: Finished difference Result 83 states and 86 transitions. [2024-10-13 13:49:28,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:49:28,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2024-10-13 13:49:28,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:49:28,068 INFO L225 Difference]: With dead ends: 83 [2024-10-13 13:49:28,068 INFO L226 Difference]: Without dead ends: 71 [2024-10-13 13:49:28,069 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 [2024-10-13 13:49:28,070 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 21 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:49:28,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 66 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:49:28,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-13 13:49:28,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67. [2024-10-13 13:49:28,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 44 states have (on average 1.5) internal successors, (66), 63 states have internal predecessors, (66), 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) [2024-10-13 13:49:28,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2024-10-13 13:49:28,082 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 10 [2024-10-13 13:49:28,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:49:28,083 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2024-10-13 13:49:28,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-10-13 13:49:28,083 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2024-10-13 13:49:28,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-13 13:49:28,084 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:49:28,084 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:49:28,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 13:49:28,086 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 13:49:28,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:49:28,087 INFO L85 PathProgramCache]: Analyzing trace with hash 995753226, now seen corresponding path program 1 times [2024-10-13 13:49:28,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:49:28,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161838256] [2024-10-13 13:49:28,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:28,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:49:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:28,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:49:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:28,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:49:28,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:49:28,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161838256] [2024-10-13 13:49:28,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161838256] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:49:28,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:49:28,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:49:28,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814028690] [2024-10-13 13:49:28,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:49:28,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:49:28,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:49:28,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:49:28,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:49:28,182 INFO L87 Difference]: Start difference. First operand 67 states and 70 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-10-13 13:49:28,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:49:28,210 INFO L93 Difference]: Finished difference Result 69 states and 70 transitions. [2024-10-13 13:49:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:49:28,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 19 [2024-10-13 13:49:28,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:49:28,212 INFO L225 Difference]: With dead ends: 69 [2024-10-13 13:49:28,212 INFO L226 Difference]: Without dead ends: 67 [2024-10-13 13:49:28,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:49:28,215 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 1 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:49:28,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 92 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:49:28,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-10-13 13:49:28,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-10-13 13:49:28,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 63 states have internal predecessors, (64), 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) [2024-10-13 13:49:28,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 68 transitions. [2024-10-13 13:49:28,227 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 68 transitions. Word has length 19 [2024-10-13 13:49:28,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:49:28,230 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 68 transitions. [2024-10-13 13:49:28,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-10-13 13:49:28,230 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2024-10-13 13:49:28,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-13 13:49:28,231 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:49:28,231 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] [2024-10-13 13:49:28,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 13:49:28,231 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 13:49:28,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:49:28,232 INFO L85 PathProgramCache]: Analyzing trace with hash -725405042, now seen corresponding path program 1 times [2024-10-13 13:49:28,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:49:28,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599230812] [2024-10-13 13:49:28,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:28,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:49:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:28,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:49:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:28,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:49:28,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:49:28,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599230812] [2024-10-13 13:49:28,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599230812] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:49:28,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:49:28,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:49:28,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730487319] [2024-10-13 13:49:28,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:49:28,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:49:28,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:49:28,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:49:28,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:49:28,376 INFO L87 Difference]: Start difference. First operand 67 states and 68 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (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) [2024-10-13 13:49:28,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:49:28,470 INFO L93 Difference]: Finished difference Result 70 states and 72 transitions. [2024-10-13 13:49:28,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:49:28,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (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 23 [2024-10-13 13:49:28,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:49:28,472 INFO L225 Difference]: With dead ends: 70 [2024-10-13 13:49:28,473 INFO L226 Difference]: Without dead ends: 69 [2024-10-13 13:49:28,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:49:28,474 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 1 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:49:28,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 63 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:49:28,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-10-13 13:49:28,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2024-10-13 13:49:28,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 64 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) [2024-10-13 13:49:28,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 69 transitions. [2024-10-13 13:49:28,488 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 69 transitions. Word has length 23 [2024-10-13 13:49:28,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:49:28,488 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 69 transitions. [2024-10-13 13:49:28,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (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) [2024-10-13 13:49:28,489 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2024-10-13 13:49:28,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-13 13:49:28,489 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:49:28,489 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] [2024-10-13 13:49:28,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 13:49:28,490 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 13:49:28,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:49:28,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1012719740, now seen corresponding path program 1 times [2024-10-13 13:49:28,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:49:28,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676062348] [2024-10-13 13:49:28,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:28,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:49:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:28,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:49:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:28,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:49:28,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:49:28,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676062348] [2024-10-13 13:49:28,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676062348] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:49:28,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:49:28,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:49:28,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959486779] [2024-10-13 13:49:28,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:49:28,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:49:28,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:49:28,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:49:28,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:49:28,628 INFO L87 Difference]: Start difference. First operand 68 states and 69 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-10-13 13:49:28,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:49:28,725 INFO L93 Difference]: Finished difference Result 70 states and 71 transitions. [2024-10-13 13:49:28,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:49:28,726 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 24 [2024-10-13 13:49:28,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:49:28,726 INFO L225 Difference]: With dead ends: 70 [2024-10-13 13:49:28,727 INFO L226 Difference]: Without dead ends: 69 [2024-10-13 13:49:28,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:49:28,727 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 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 [2024-10-13 13:49:28,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:49:28,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-10-13 13:49:28,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-10-13 13:49:28,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 46 states have (on average 1.434782608695652) internal successors, (66), 65 states have internal predecessors, (66), 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) [2024-10-13 13:49:28,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2024-10-13 13:49:28,738 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 24 [2024-10-13 13:49:28,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:49:28,740 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2024-10-13 13:49:28,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-10-13 13:49:28,741 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2024-10-13 13:49:28,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-13 13:49:28,741 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:49:28,741 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] [2024-10-13 13:49:28,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 13:49:28,742 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 13:49:28,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:49:28,742 INFO L85 PathProgramCache]: Analyzing trace with hash -2083439506, now seen corresponding path program 1 times [2024-10-13 13:49:28,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:49:28,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341878694] [2024-10-13 13:49:28,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:28,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:49:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:49:28,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [836579829] [2024-10-13 13:49:28,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:28,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:49:28,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:49:28,757 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) [2024-10-13 13:49:28,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 13:49:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:28,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:49:28,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:49:28,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:49:28,875 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:49:28,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:49:28,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:49:28,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341878694] [2024-10-13 13:49:28,988 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:49:28,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836579829] [2024-10-13 13:49:28,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836579829] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:49:28,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:49:28,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-10-13 13:49:28,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974584822] [2024-10-13 13:49:28,989 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:49:28,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:49:28,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:49:28,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:49:28,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:49:28,991 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 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) [2024-10-13 13:49:29,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:49:29,155 INFO L93 Difference]: Finished difference Result 135 states and 166 transitions. [2024-10-13 13:49:29,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:49:29,156 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 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 27 [2024-10-13 13:49:29,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:49:29,157 INFO L225 Difference]: With dead ends: 135 [2024-10-13 13:49:29,157 INFO L226 Difference]: Without dead ends: 131 [2024-10-13 13:49:29,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:49:29,158 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 105 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:49:29,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 89 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:49:29,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-10-13 13:49:29,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 103. [2024-10-13 13:49:29,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 81 states have (on average 1.4814814814814814) internal successors, (120), 97 states have internal predecessors, (120), 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) [2024-10-13 13:49:29,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 128 transitions. [2024-10-13 13:49:29,167 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 128 transitions. Word has length 27 [2024-10-13 13:49:29,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:49:29,167 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 128 transitions. [2024-10-13 13:49:29,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 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) [2024-10-13 13:49:29,167 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 128 transitions. [2024-10-13 13:49:29,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-13 13:49:29,168 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:49:29,168 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:49:29,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 13:49:29,369 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,SelfDestructingSolverStorable7 [2024-10-13 13:49:29,369 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 13:49:29,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:49:29,370 INFO L85 PathProgramCache]: Analyzing trace with hash -162115192, now seen corresponding path program 1 times [2024-10-13 13:49:29,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:49:29,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196520773] [2024-10-13 13:49:29,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:29,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:49:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:29,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:49:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:29,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:49:29,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:49:29,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196520773] [2024-10-13 13:49:29,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196520773] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:49:29,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402441220] [2024-10-13 13:49:29,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:29,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:49:29,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:49:29,472 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) [2024-10-13 13:49:29,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 13:49:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:29,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:49:29,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:49:29,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:49:29,655 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:49:29,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:49:29,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1402441220] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:49:29,732 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:49:29,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-13 13:49:29,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991793419] [2024-10-13 13:49:29,733 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:49:29,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 13:49:29,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:49:29,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 13:49:29,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:49:29,736 INFO L87 Difference]: Start difference. First operand 103 states and 128 transitions. Second operand has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 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) [2024-10-13 13:49:29,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:49:29,879 INFO L93 Difference]: Finished difference Result 103 states and 128 transitions. [2024-10-13 13:49:29,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:49:29,881 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 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 28 [2024-10-13 13:49:29,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:49:29,882 INFO L225 Difference]: With dead ends: 103 [2024-10-13 13:49:29,882 INFO L226 Difference]: Without dead ends: 100 [2024-10-13 13:49:29,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:49:29,883 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 47 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:49:29,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 72 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:49:29,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-10-13 13:49:29,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-10-13 13:49:29,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 81 states have (on average 1.3950617283950617) internal successors, (113), 94 states have internal predecessors, (113), 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) [2024-10-13 13:49:29,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 121 transitions. [2024-10-13 13:49:29,898 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 121 transitions. Word has length 28 [2024-10-13 13:49:29,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:49:29,898 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 121 transitions. [2024-10-13 13:49:29,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 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) [2024-10-13 13:49:29,899 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 121 transitions. [2024-10-13 13:49:29,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-13 13:49:29,902 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:49:29,902 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-13 13:49:29,918 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 13:49:30,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:49:30,103 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 13:49:30,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:49:30,103 INFO L85 PathProgramCache]: Analyzing trace with hash -730603600, now seen corresponding path program 1 times [2024-10-13 13:49:30,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:49:30,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598644706] [2024-10-13 13:49:30,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:30,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:49:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:30,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:49:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:30,172 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:49:30,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:49:30,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598644706] [2024-10-13 13:49:30,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598644706] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:49:30,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729273235] [2024-10-13 13:49:30,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:30,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:49:30,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:49:30,175 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) [2024-10-13 13:49:30,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 13:49:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:30,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:49:30,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:49:30,313 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:49:30,314 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:49:30,378 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:49:30,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729273235] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:49:30,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:49:30,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-13 13:49:30,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782427449] [2024-10-13 13:49:30,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:49:30,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 13:49:30,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:49:30,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 13:49:30,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:49:30,382 INFO L87 Difference]: Start difference. First operand 100 states and 121 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 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) [2024-10-13 13:49:30,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:49:30,559 INFO L93 Difference]: Finished difference Result 112 states and 133 transitions. [2024-10-13 13:49:30,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:49:30,560 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 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 29 [2024-10-13 13:49:30,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:49:30,561 INFO L225 Difference]: With dead ends: 112 [2024-10-13 13:49:30,561 INFO L226 Difference]: Without dead ends: 105 [2024-10-13 13:49:30,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:49:30,562 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 52 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:49:30,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 94 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:49:30,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-10-13 13:49:30,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 95. [2024-10-13 13:49:30,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 81 states have (on average 1.2469135802469136) internal successors, (101), 89 states have internal predecessors, (101), 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) [2024-10-13 13:49:30,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2024-10-13 13:49:30,570 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 29 [2024-10-13 13:49:30,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:49:30,571 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2024-10-13 13:49:30,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 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) [2024-10-13 13:49:30,573 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2024-10-13 13:49:30,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-13 13:49:30,574 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:49:30,574 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] [2024-10-13 13:49:30,594 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-13 13:49:30,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:49:30,775 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 13:49:30,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:49:30,775 INFO L85 PathProgramCache]: Analyzing trace with hash -2030388494, now seen corresponding path program 1 times [2024-10-13 13:49:30,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:49:30,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839199950] [2024-10-13 13:49:30,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:30,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:49:30,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:30,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:49:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:30,880 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:49:30,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:49:30,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839199950] [2024-10-13 13:49:30,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839199950] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:49:30,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039968486] [2024-10-13 13:49:30,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:30,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:49:30,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:49:30,883 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) [2024-10-13 13:49:30,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 13:49:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:30,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 13:49:30,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:49:31,059 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:49:31,059 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:49:31,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039968486] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:49:31,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:49:31,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-10-13 13:49:31,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321368666] [2024-10-13 13:49:31,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:49:31,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:49:31,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:49:31,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:49:31,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:49:31,061 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 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) [2024-10-13 13:49:31,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:49:31,121 INFO L93 Difference]: Finished difference Result 95 states and 109 transitions. [2024-10-13 13:49:31,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:49:31,122 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 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 31 [2024-10-13 13:49:31,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:49:31,123 INFO L225 Difference]: With dead ends: 95 [2024-10-13 13:49:31,123 INFO L226 Difference]: Without dead ends: 83 [2024-10-13 13:49:31,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:49:31,124 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 51 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:49:31,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 37 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:49:31,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-10-13 13:49:31,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-10-13 13:49:31,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 73 states have (on average 1.1369863013698631) internal successors, (83), 77 states have internal predecessors, (83), 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) [2024-10-13 13:49:31,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 91 transitions. [2024-10-13 13:49:31,132 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 91 transitions. Word has length 31 [2024-10-13 13:49:31,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:49:31,134 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 91 transitions. [2024-10-13 13:49:31,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 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) [2024-10-13 13:49:31,134 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2024-10-13 13:49:31,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-13 13:49:31,135 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:49:31,135 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:49:31,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-13 13:49:31,335 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,SelfDestructingSolverStorable10 [2024-10-13 13:49:31,336 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 13:49:31,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:49:31,336 INFO L85 PathProgramCache]: Analyzing trace with hash 821541488, now seen corresponding path program 1 times [2024-10-13 13:49:31,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:49:31,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146126333] [2024-10-13 13:49:31,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:31,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:49:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:31,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:49:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:31,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:49:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:31,402 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:49:31,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:49:31,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146126333] [2024-10-13 13:49:31,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146126333] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:49:31,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795709878] [2024-10-13 13:49:31,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:31,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:49:31,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:49:31,405 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) [2024-10-13 13:49:31,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 13:49:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:31,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:49:31,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:49:31,488 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:49:31,489 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:49:31,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795709878] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:49:31,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:49:31,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-13 13:49:31,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271521050] [2024-10-13 13:49:31,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:49:31,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:49:31,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:49:31,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:49:31,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:49:31,491 INFO L87 Difference]: Start difference. First operand 83 states and 91 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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) [2024-10-13 13:49:31,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:49:31,508 INFO L93 Difference]: Finished difference Result 83 states and 91 transitions. [2024-10-13 13:49:31,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:49:31,508 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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 40 [2024-10-13 13:49:31,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:49:31,509 INFO L225 Difference]: With dead ends: 83 [2024-10-13 13:49:31,509 INFO L226 Difference]: Without dead ends: 82 [2024-10-13 13:49:31,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:49:31,510 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 7 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:49:31,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 49 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:49:31,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-10-13 13:49:31,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-10-13 13:49:31,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 73 states have (on average 1.095890410958904) internal successors, (80), 76 states have internal predecessors, (80), 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) [2024-10-13 13:49:31,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2024-10-13 13:49:31,516 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 40 [2024-10-13 13:49:31,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:49:31,517 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2024-10-13 13:49:31,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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) [2024-10-13 13:49:31,517 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2024-10-13 13:49:31,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-13 13:49:31,518 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:49:31,518 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-13 13:49:31,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-13 13:49:31,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:49:31,719 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 13:49:31,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:49:31,719 INFO L85 PathProgramCache]: Analyzing trace with hash -302017574, now seen corresponding path program 1 times [2024-10-13 13:49:31,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:49:31,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150688626] [2024-10-13 13:49:31,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:31,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:49:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:31,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:49:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:31,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:49:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:31,771 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:49:31,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:49:31,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150688626] [2024-10-13 13:49:31,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150688626] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:49:31,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043543559] [2024-10-13 13:49:31,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:31,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:49:31,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:49:31,774 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) [2024-10-13 13:49:31,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 13:49:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:31,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:49:31,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:49:31,855 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:49:31,856 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:49:31,912 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:49:31,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043543559] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:49:31,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:49:31,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-13 13:49:31,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867665483] [2024-10-13 13:49:31,913 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:49:31,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:49:31,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:49:31,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:49:31,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:49:31,914 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 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) [2024-10-13 13:49:31,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:49:31,947 INFO L93 Difference]: Finished difference Result 95 states and 101 transitions. [2024-10-13 13:49:31,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:49:31,947 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 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 41 [2024-10-13 13:49:31,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:49:31,948 INFO L225 Difference]: With dead ends: 95 [2024-10-13 13:49:31,948 INFO L226 Difference]: Without dead ends: 94 [2024-10-13 13:49:31,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:49:31,949 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 6 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:49:31,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 95 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:49:31,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-10-13 13:49:31,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 92. [2024-10-13 13:49:31,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 82 states have (on average 1.0731707317073171) internal successors, (88), 85 states have internal predecessors, (88), 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) [2024-10-13 13:49:31,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 98 transitions. [2024-10-13 13:49:31,955 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 98 transitions. Word has length 41 [2024-10-13 13:49:31,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:49:31,955 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 98 transitions. [2024-10-13 13:49:31,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 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) [2024-10-13 13:49:31,955 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2024-10-13 13:49:31,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-13 13:49:31,956 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:49:31,956 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, 2, 1, 1, 1, 1] [2024-10-13 13:49:31,973 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-13 13:49:32,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:49:32,157 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 13:49:32,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:49:32,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1523975228, now seen corresponding path program 1 times [2024-10-13 13:49:32,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:49:32,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156885416] [2024-10-13 13:49:32,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:32,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:49:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:32,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:49:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:32,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:49:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:32,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:49:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:32,350 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:49:32,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:49:32,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156885416] [2024-10-13 13:49:32,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156885416] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:49:32,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163501967] [2024-10-13 13:49:32,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:32,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:49:32,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:49:32,353 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) [2024-10-13 13:49:32,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 13:49:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:32,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 13:49:32,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:49:32,628 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:49:32,628 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:49:32,804 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:49:32,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163501967] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:49:32,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:49:32,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-10-13 13:49:32,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237288436] [2024-10-13 13:49:32,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:49:32,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-13 13:49:32,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:49:32,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-13 13:49:32,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-10-13 13:49:32,806 INFO L87 Difference]: Start difference. First operand 92 states and 98 transitions. Second operand has 20 states, 19 states have (on average 8.0) internal successors, (152), 20 states have internal predecessors, (152), 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) [2024-10-13 13:49:33,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:49:33,037 INFO L93 Difference]: Finished difference Result 133 states and 147 transitions. [2024-10-13 13:49:33,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 13:49:33,038 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 8.0) internal successors, (152), 20 states have internal predecessors, (152), 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 66 [2024-10-13 13:49:33,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:49:33,039 INFO L225 Difference]: With dead ends: 133 [2024-10-13 13:49:33,040 INFO L226 Difference]: Without dead ends: 132 [2024-10-13 13:49:33,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2024-10-13 13:49:33,041 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 9 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:49:33,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 78 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:49:33,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-10-13 13:49:33,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2024-10-13 13:49:33,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 118 states have (on average 1.0932203389830508) internal successors, (129), 121 states have internal predecessors, (129), 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) [2024-10-13 13:49:33,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 143 transitions. [2024-10-13 13:49:33,048 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 143 transitions. Word has length 66 [2024-10-13 13:49:33,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:49:33,049 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 143 transitions. [2024-10-13 13:49:33,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 8.0) internal successors, (152), 20 states have internal predecessors, (152), 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) [2024-10-13 13:49:33,049 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 143 transitions. [2024-10-13 13:49:33,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-13 13:49:33,050 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:49:33,050 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2024-10-13 13:49:33,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-13 13:49:33,251 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,SelfDestructingSolverStorable13 [2024-10-13 13:49:33,251 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 13:49:33,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:49:33,252 INFO L85 PathProgramCache]: Analyzing trace with hash -838030480, now seen corresponding path program 2 times [2024-10-13 13:49:33,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:49:33,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044577275] [2024-10-13 13:49:33,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:33,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:49:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:33,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:49:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:33,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:49:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:33,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:49:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:33,406 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:49:33,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:49:33,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044577275] [2024-10-13 13:49:33,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044577275] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:49:33,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737764378] [2024-10-13 13:49:33,407 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:49:33,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:49:33,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:49:33,409 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) [2024-10-13 13:49:33,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-13 13:49:33,454 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:49:33,454 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:49:33,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:49:33,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:49:33,691 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:49:33,691 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:49:33,872 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:49:33,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737764378] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:49:33,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:49:33,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-10-13 13:49:33,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38126097] [2024-10-13 13:49:33,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:49:33,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-13 13:49:33,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:49:33,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-13 13:49:33,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-10-13 13:49:33,875 INFO L87 Difference]: Start difference. First operand 130 states and 143 transitions. Second operand has 22 states, 21 states have (on average 7.714285714285714) internal successors, (162), 22 states have internal predecessors, (162), 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) [2024-10-13 13:49:34,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:49:34,209 INFO L93 Difference]: Finished difference Result 139 states and 150 transitions. [2024-10-13 13:49:34,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 13:49:34,210 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.714285714285714) internal successors, (162), 22 states have internal predecessors, (162), 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 71 [2024-10-13 13:49:34,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:49:34,211 INFO L225 Difference]: With dead ends: 139 [2024-10-13 13:49:34,211 INFO L226 Difference]: Without dead ends: 138 [2024-10-13 13:49:34,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=321, Invalid=549, Unknown=0, NotChecked=0, Total=870 [2024-10-13 13:49:34,212 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 70 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:49:34,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 124 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:49:34,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-10-13 13:49:34,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 135. [2024-10-13 13:49:34,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 123 states have (on average 1.0731707317073171) internal successors, (132), 126 states have internal predecessors, (132), 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) [2024-10-13 13:49:34,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 146 transitions. [2024-10-13 13:49:34,222 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 146 transitions. Word has length 71 [2024-10-13 13:49:34,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:49:34,222 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 146 transitions. [2024-10-13 13:49:34,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.714285714285714) internal successors, (162), 22 states have internal predecessors, (162), 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) [2024-10-13 13:49:34,223 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2024-10-13 13:49:34,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-13 13:49:34,224 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:49:34,224 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2024-10-13 13:49:34,242 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-13 13:49:34,431 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,SelfDestructingSolverStorable14 [2024-10-13 13:49:34,432 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 13:49:34,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:49:34,432 INFO L85 PathProgramCache]: Analyzing trace with hash -479440876, now seen corresponding path program 2 times [2024-10-13 13:49:34,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:49:34,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41119860] [2024-10-13 13:49:34,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:34,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:49:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:49:34,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [777162129] [2024-10-13 13:49:34,459 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:49:34,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:49:34,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:49:34,462 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) [2024-10-13 13:49:34,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-13 13:49:34,514 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:49:34,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:49:34,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-13 13:49:34,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:49:34,636 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-13 13:49:34,636 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:49:34,848 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-13 13:49:34,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:49:34,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41119860] [2024-10-13 13:49:34,849 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:49:34,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777162129] [2024-10-13 13:49:34,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777162129] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:49:34,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:49:34,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-13 13:49:34,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556289100] [2024-10-13 13:49:34,849 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:49:34,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 13:49:34,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:49:34,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 13:49:34,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:49:34,851 INFO L87 Difference]: Start difference. First operand 135 states and 146 transitions. Second operand has 12 states, 11 states have (on average 12.818181818181818) internal successors, (141), 12 states have internal predecessors, (141), 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) [2024-10-13 13:49:35,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:49:35,191 INFO L93 Difference]: Finished difference Result 192 states and 209 transitions. [2024-10-13 13:49:35,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 13:49:35,191 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.818181818181818) internal successors, (141), 12 states have internal predecessors, (141), 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 90 [2024-10-13 13:49:35,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:49:35,193 INFO L225 Difference]: With dead ends: 192 [2024-10-13 13:49:35,193 INFO L226 Difference]: Without dead ends: 191 [2024-10-13 13:49:35,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:49:35,193 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 106 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:49:35,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 281 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:49:35,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-10-13 13:49:35,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 184. [2024-10-13 13:49:35,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 169 states have (on average 1.0828402366863905) internal successors, (183), 172 states have internal predecessors, (183), 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) [2024-10-13 13:49:35,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 203 transitions. [2024-10-13 13:49:35,203 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 203 transitions. Word has length 90 [2024-10-13 13:49:35,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:49:35,203 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 203 transitions. [2024-10-13 13:49:35,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.818181818181818) internal successors, (141), 12 states have internal predecessors, (141), 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) [2024-10-13 13:49:35,204 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 203 transitions. [2024-10-13 13:49:35,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-13 13:49:35,205 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:49:35,205 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2024-10-13 13:49:35,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-13 13:49:35,405 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,SelfDestructingSolverStorable15 [2024-10-13 13:49:35,406 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 13:49:35,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:49:35,407 INFO L85 PathProgramCache]: Analyzing trace with hash -276542208, now seen corresponding path program 2 times [2024-10-13 13:49:35,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:49:35,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593861946] [2024-10-13 13:49:35,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:35,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:49:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:35,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:49:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:35,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:49:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:35,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:49:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:35,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 13:49:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:35,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 13:49:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:35,509 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-10-13 13:49:35,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:49:35,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593861946] [2024-10-13 13:49:35,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593861946] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:49:35,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217509074] [2024-10-13 13:49:35,510 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:49:35,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:49:35,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:49:35,511 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) [2024-10-13 13:49:35,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-13 13:49:35,555 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 13:49:35,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:49:35,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:49:35,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:49:35,648 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-10-13 13:49:35,648 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:49:35,768 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-10-13 13:49:35,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217509074] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:49:35,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:49:35,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-10-13 13:49:35,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419875673] [2024-10-13 13:49:35,769 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:49:35,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:49:35,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:49:35,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:49:35,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:49:35,770 INFO L87 Difference]: Start difference. First operand 184 states and 203 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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) [2024-10-13 13:49:35,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:49:35,803 INFO L93 Difference]: Finished difference Result 184 states and 203 transitions. [2024-10-13 13:49:35,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:49:35,804 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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 104 [2024-10-13 13:49:35,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:49:35,805 INFO L225 Difference]: With dead ends: 184 [2024-10-13 13:49:35,805 INFO L226 Difference]: Without dead ends: 183 [2024-10-13 13:49:35,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:49:35,806 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 28 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:49:35,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 57 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:49:35,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-10-13 13:49:35,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2024-10-13 13:49:35,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 169 states have (on average 1.047337278106509) internal successors, (177), 171 states have internal predecessors, (177), 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) [2024-10-13 13:49:35,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 197 transitions. [2024-10-13 13:49:35,814 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 197 transitions. Word has length 104 [2024-10-13 13:49:35,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:49:35,814 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 197 transitions. [2024-10-13 13:49:35,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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) [2024-10-13 13:49:35,815 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 197 transitions. [2024-10-13 13:49:35,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-13 13:49:35,816 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:49:35,816 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, 6, 1, 1, 1, 1] [2024-10-13 13:49:35,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-13 13:49:36,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-13 13:49:36,017 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 13:49:36,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:49:36,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1502231484, now seen corresponding path program 2 times [2024-10-13 13:49:36,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:49:36,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912437762] [2024-10-13 13:49:36,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:36,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:49:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:36,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:49:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:36,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:49:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:36,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:49:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:36,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 13:49:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:36,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 13:49:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:36,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 13:49:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:36,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 13:49:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:36,440 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 357 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-13 13:49:36,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:49:36,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912437762] [2024-10-13 13:49:36,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912437762] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:49:36,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911757176] [2024-10-13 13:49:36,440 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:49:36,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:49:36,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:49:36,442 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) [2024-10-13 13:49:36,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-13 13:49:36,488 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 13:49:36,488 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:49:36,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 13:49:36,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:49:36,667 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-10-13 13:49:36,668 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:49:36,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911757176] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:49:36,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:49:36,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 20 [2024-10-13 13:49:36,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000371363] [2024-10-13 13:49:36,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:49:36,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:49:36,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:49:36,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:49:36,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2024-10-13 13:49:36,670 INFO L87 Difference]: Start difference. First operand 183 states and 197 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 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) [2024-10-13 13:49:36,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:49:36,784 INFO L93 Difference]: Finished difference Result 185 states and 199 transitions. [2024-10-13 13:49:36,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:49:36,785 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 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 150 [2024-10-13 13:49:36,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:49:36,787 INFO L225 Difference]: With dead ends: 185 [2024-10-13 13:49:36,787 INFO L226 Difference]: Without dead ends: 184 [2024-10-13 13:49:36,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2024-10-13 13:49:36,789 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 10 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:49:36,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 42 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:49:36,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-10-13 13:49:36,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 182. [2024-10-13 13:49:36,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 169 states have (on average 1.0236686390532543) internal successors, (173), 170 states have internal predecessors, (173), 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) [2024-10-13 13:49:36,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 193 transitions. [2024-10-13 13:49:36,802 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 193 transitions. Word has length 150 [2024-10-13 13:49:36,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:49:36,802 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 193 transitions. [2024-10-13 13:49:36,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 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) [2024-10-13 13:49:36,802 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 193 transitions. [2024-10-13 13:49:36,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-13 13:49:36,804 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:49:36,805 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1] [2024-10-13 13:49:36,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-13 13:49:37,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-13 13:49:37,009 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 13:49:37,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:49:37,009 INFO L85 PathProgramCache]: Analyzing trace with hash 122303216, now seen corresponding path program 3 times [2024-10-13 13:49:37,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:49:37,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743355106] [2024-10-13 13:49:37,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:49:37,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:49:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:37,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:49:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:37,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:49:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:37,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:49:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:37,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 13:49:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:37,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 13:49:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:37,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 13:49:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:37,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 13:49:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:49:37,420 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-13 13:49:37,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:49:37,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743355106] [2024-10-13 13:49:37,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743355106] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:49:37,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200138999] [2024-10-13 13:49:37,421 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 13:49:37,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:49:37,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:49:37,423 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) [2024-10-13 13:49:37,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-13 13:49:37,468 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-13 13:49:37,468 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:49:37,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-13 13:49:37,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:50:02,522 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 (+ 9223372036854775806 (* 2 |ULTIMATE.start_main_~y~0#1|))) (<= .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 [2024-10-13 13:50:06,555 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 2 not checked. [2024-10-13 13:50:06,555 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:50:14,940 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-10-13 13:50:14,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200138999] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-13 13:50:14,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:50:14,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [16, 8] total 28 [2024-10-13 13:50:14,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760910437] [2024-10-13 13:50:14,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:50:14,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:50:14,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:50:14,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:50:14,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=605, Unknown=2, NotChecked=52, Total=812 [2024-10-13 13:50:14,942 INFO L87 Difference]: Start difference. First operand 182 states and 193 transitions. Second operand has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:50:15,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:50:15,170 INFO L93 Difference]: Finished difference Result 182 states and 193 transitions. [2024-10-13 13:50:15,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:50:15,170 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 155 [2024-10-13 13:50:15,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:50:15,171 INFO L225 Difference]: With dead ends: 182 [2024-10-13 13:50:15,171 INFO L226 Difference]: Without dead ends: 181 [2024-10-13 13:50:15,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 17.4s TimeCoverageRelationStatistics Valid=184, Invalid=748, Unknown=2, NotChecked=58, Total=992 [2024-10-13 13:50:15,172 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 64 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:50:15,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 33 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:50:15,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-10-13 13:50:15,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2024-10-13 13:50:15,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 169 states have (on average 1.0059171597633136) internal successors, (170), 169 states have internal predecessors, (170), 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) [2024-10-13 13:50:15,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 190 transitions. [2024-10-13 13:50:15,182 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 190 transitions. Word has length 155 [2024-10-13 13:50:15,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:50:15,182 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 190 transitions. [2024-10-13 13:50:15,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:50:15,182 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 190 transitions. [2024-10-13 13:50:15,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-13 13:50:15,184 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:50:15,184 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1] [2024-10-13 13:50:15,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-13 13:50:15,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:50:15,388 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 13:50:15,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:50:15,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1910324012, now seen corresponding path program 3 times [2024-10-13 13:50:15,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:50:15,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494297212] [2024-10-13 13:50:15,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:50:15,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:50:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:50:15,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1283796963] [2024-10-13 13:50:15,427 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 13:50:15,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:50:15,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:50:15,429 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) [2024-10-13 13:50:15,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-13 13:50:15,555 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-13 13:50:15,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:50:15,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-13 13:50:15,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:50:15,933 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 0 proven. 795 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-13 13:50:15,933 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:50:16,689 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 0 proven. 795 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-13 13:50:16,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:50:16,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494297212] [2024-10-13 13:50:16,690 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:50:16,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283796963] [2024-10-13 13:50:16,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283796963] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:50:16,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:50:16,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-10-13 13:50:16,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226360206] [2024-10-13 13:50:16,691 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:50:16,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-13 13:50:16,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:50:16,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-13 13:50:16,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2024-10-13 13:50:16,693 INFO L87 Difference]: Start difference. First operand 181 states and 190 transitions. Second operand has 24 states, 23 states have (on average 14.478260869565217) internal successors, (333), 24 states have internal predecessors, (333), 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) [2024-10-13 13:50:18,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:50:18,286 INFO L93 Difference]: Finished difference Result 386 states and 418 transitions. [2024-10-13 13:50:18,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-13 13:50:18,287 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 14.478260869565217) internal successors, (333), 24 states have internal predecessors, (333), 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) Word has length 216 [2024-10-13 13:50:18,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:50:18,288 INFO L225 Difference]: With dead ends: 386 [2024-10-13 13:50:18,288 INFO L226 Difference]: Without dead ends: 385 [2024-10-13 13:50:18,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=406, Invalid=716, Unknown=0, NotChecked=0, Total=1122 [2024-10-13 13:50:18,290 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 145 mSDsluCounter, 886 mSDsCounter, 0 mSdLazyCounter, 1446 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 980 SdHoareTripleChecker+Invalid, 1459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:50:18,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 980 Invalid, 1459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1446 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-13 13:50:18,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-10-13 13:50:18,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2024-10-13 13:50:18,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 361 states have (on average 1.002770083102493) internal successors, (362), 361 states have internal predecessors, (362), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-13 13:50:18,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 406 transitions. [2024-10-13 13:50:18,307 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 406 transitions. Word has length 216 [2024-10-13 13:50:18,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:50:18,307 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 406 transitions. [2024-10-13 13:50:18,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 14.478260869565217) internal successors, (333), 24 states have internal predecessors, (333), 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) [2024-10-13 13:50:18,308 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 406 transitions. [2024-10-13 13:50:18,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2024-10-13 13:50:18,313 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:50:18,314 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1] [2024-10-13 13:50:18,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-13 13:50:18,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:50:18,518 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 13:50:18,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:50:18,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1845871020, now seen corresponding path program 4 times [2024-10-13 13:50:18,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:50:18,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940033640] [2024-10-13 13:50:18,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:50:18,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:50:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:50:20,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 13:50:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:50:20,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:50:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:50:20,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:50:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:50:20,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 13:50:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:50:20,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 13:50:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:50:20,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 13:50:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:50:20,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 13:50:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:50:20,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-13 13:50:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:50:20,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 13:50:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:50:20,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 13:50:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:50:20,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-13 13:50:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:50:20,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-13 13:50:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:50:20,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 13:50:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:50:20,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-13 13:50:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:50:20,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-13 13:50:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:50:20,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-10-13 13:50:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:50:20,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-13 13:50:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:50:20,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-10-13 13:50:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:50:20,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-10-13 13:50:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:50:20,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2024-10-13 13:50:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:50:20,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2024-10-13 13:50:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:50:20,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2024-10-13 13:50:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:50:20,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4917 backedges. 3722 proven. 271 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 13:50:20,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:50:20,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940033640] [2024-10-13 13:50:20,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940033640] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:50:20,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537477612] [2024-10-13 13:50:20,444 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-13 13:50:20,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:50:20,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:50:20,446 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) [2024-10-13 13:50:20,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-13 13:50:20,588 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-13 13:50:20,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:50:20,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-13 13:50:20,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:50:23,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4917 backedges. 3993 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 13:50:23,333 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:50:23,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537477612] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:50:23,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:50:23,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [26] total 49 [2024-10-13 13:50:23,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248684240] [2024-10-13 13:50:23,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:50:23,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-13 13:50:23,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:50:23,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-13 13:50:23,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=936, Invalid=1416, Unknown=0, NotChecked=0, Total=2352 [2024-10-13 13:50:23,336 INFO L87 Difference]: Start difference. First operand 385 states and 406 transitions. Second operand has 26 states, 26 states have (on average 13.884615384615385) internal successors, (361), 26 states have internal predecessors, (361), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-13 13:50:23,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:50:23,532 INFO L93 Difference]: Finished difference Result 389 states and 409 transitions. [2024-10-13 13:50:23,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 13:50:23,533 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 13.884615384615385) internal successors, (361), 26 states have internal predecessors, (361), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Word has length 468 [2024-10-13 13:50:23,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:50:23,534 INFO L225 Difference]: With dead ends: 389 [2024-10-13 13:50:23,534 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 13:50:23,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 536 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 562 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=936, Invalid=1416, Unknown=0, NotChecked=0, Total=2352 [2024-10-13 13:50:23,536 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:50:23,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 856 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:50:23,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 13:50:23,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 13:50:23,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-10-13 13:50:23,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 13:50:23,537 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 468 [2024-10-13 13:50:23,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:50:23,537 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 13:50:23,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 13.884615384615385) internal successors, (361), 26 states have internal predecessors, (361), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-13 13:50:23,538 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 13:50:23,538 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 13:50:23,541 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2024-10-13 13:50:23,541 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2024-10-13 13:50:23,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2024-10-13 13:50:23,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2024-10-13 13:50:23,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2024-10-13 13:50:23,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2024-10-13 13:50:23,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2024-10-13 13:50:23,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2024-10-13 13:50:23,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2024-10-13 13:50:23,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2024-10-13 13:50:23,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2024-10-13 13:50:23,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2024-10-13 13:50:23,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2024-10-13 13:50:23,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2024-10-13 13:50:23,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2024-10-13 13:50:23,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2024-10-13 13:50:23,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2024-10-13 13:50:23,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2024-10-13 13:50:23,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2024-10-13 13:50:23,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2024-10-13 13:50:23,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2024-10-13 13:50:23,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2024-10-13 13:50:23,562 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-13 13:50:23,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:50:23,748 INFO L407 BasicCegarLoop]: Path program histogram: [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:50:23,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 13:50:24,178 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 13:50:24,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:50:24 BoogieIcfgContainer [2024-10-13 13:50:24,212 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 13:50:24,213 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 13:50:24,213 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 13:50:24,213 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 13:50:24,213 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:49:26" (3/4) ... [2024-10-13 13:50:24,216 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 13:50:24,219 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-13 13:50:24,224 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-13 13:50:24,226 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-13 13:50:24,226 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 13:50:24,226 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 13:50:24,323 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 13:50:24,323 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 13:50:24,324 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 13:50:24,324 INFO L158 Benchmark]: Toolchain (without parser) took 58400.43ms. Allocated memory was 134.2MB in the beginning and 201.3MB in the end (delta: 67.1MB). Free memory was 65.4MB in the beginning and 151.3MB in the end (delta: -85.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 13:50:24,325 INFO L158 Benchmark]: CDTParser took 1.05ms. Allocated memory is still 134.2MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 13:50:24,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.26ms. Allocated memory is still 134.2MB. Free memory was 65.4MB in the beginning and 52.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 13:50:24,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.38ms. Allocated memory is still 134.2MB. Free memory was 52.3MB in the beginning and 50.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 13:50:24,326 INFO L158 Benchmark]: Boogie Preprocessor took 33.44ms. Allocated memory is still 134.2MB. Free memory was 50.6MB in the beginning and 48.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 13:50:24,326 INFO L158 Benchmark]: RCFGBuilder took 507.03ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 48.9MB in the beginning and 127.3MB in the end (delta: -78.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-10-13 13:50:24,329 INFO L158 Benchmark]: TraceAbstraction took 57472.31ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 126.3MB in the beginning and 156.6MB in the end (delta: -30.3MB). Peak memory consumption was 108.1MB. Max. memory is 16.1GB. [2024-10-13 13:50:24,329 INFO L158 Benchmark]: Witness Printer took 110.84ms. Allocated memory is still 201.3MB. Free memory was 156.6MB in the beginning and 151.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 13:50:24,330 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05ms. Allocated memory is still 134.2MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.26ms. Allocated memory is still 134.2MB. Free memory was 65.4MB in the beginning and 52.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.38ms. Allocated memory is still 134.2MB. Free memory was 52.3MB in the beginning and 50.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.44ms. Allocated memory is still 134.2MB. Free memory was 50.6MB in the beginning and 48.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 507.03ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 48.9MB in the beginning and 127.3MB in the end (delta: -78.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * TraceAbstraction took 57472.31ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 126.3MB in the beginning and 156.6MB in the end (delta: -30.3MB). Peak memory consumption was 108.1MB. Max. memory is 16.1GB. * Witness Printer took 110.84ms. Allocated memory is still 201.3MB. Free memory was 156.6MB in the beginning and 151.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 56.9s, OverallIterations: 21, TraceHistogramMax: 23, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 783 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 770 mSDsluCounter, 3333 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2542 mSDsCounter, 106 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3473 IncrementalHoareTripleChecker+Invalid, 3579 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 106 mSolverCounterUnsat, 791 mSDtfsCounter, 3473 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2583 GetRequests, 2333 SyntacticMatches, 0 SemanticMatches, 250 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1290 ImplicationChecksByTransitivity, 20.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=385occurred in iteration=20, InterpolantAutomatonStates: 160, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 76 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 47.7s InterpolantComputationTime, 3132 NumberOfCodeBlocks, 2796 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 3578 ConstructedInterpolants, 4 QuantifiedInterpolants, 19086 SizeOfPredicates, 9 NumberOfNonLiveVariables, 2129 ConjunctsInSsa, 129 ConjunctsInUnsatCore, 42 InterpolantComputations, 12 PerfectInterpolantSequences, 12199/15505 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (((((((((((((((((0 <= k) && (6 == y)) && (6 <= x)) && (c <= 9223372036854775806)) && (k <= 10)) && (6 <= c)) && (x <= 4611686018427387903)) || (((((((0 <= k) && (c <= 9223372036854775806)) && (10 <= c)) && (k <= 10)) && (y == 10)) && (x <= 4611686018427387903)) && (10 <= x))) || (((((((0 <= k) && (2 <= x)) && (2 <= c)) && (2 == y)) && (x <= 3)) && (c <= 9223372036854775805)) && (k <= 10))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (7 <= x)) && (7 == y)) && (k <= 10)) && (7 <= c)) && (x <= 4611686018427387903))) || (((((0 <= k) && (c == 1)) && (x == 1)) && (y == 1)) && (k <= 10))) || (((((((0 <= k) && (y == 4)) && (c <= 9223372036854775806)) && (x <= 4611686018427387892)) && (k <= 10)) && (4 <= c)) && (4 <= x))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (9 <= c)) && (k <= 10)) && (9 <= x)) && (9 == y)) && (x <= 4611686018427387903))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (3 == y)) && (3 <= c)) && (k <= 10)) && (x <= 6)) && (3 <= x))) || (((((0 <= k) && (c == 0)) && (y == 0)) && (k <= 10)) && (x == 0))) || (((((((0 <= k) && (5 <= x)) && (5 == y)) && (c <= 9223372036854775806)) && (k <= 10)) && (5 <= c)) && (x <= 4611686018427387897))) || (((((((0 <= k) && (8 <= x)) && (c <= 9223372036854775806)) && (k <= 10)) && (y == 8)) && (x <= 4611686018427387903)) && (8 <= c))) - ProcedureContractResult [Line: 9]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-10-13 13:50:24,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE