./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/prod4br-ll_unwindbound20.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/prod4br-ll_unwindbound20.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 97fbca6e87e25b4f87eb503f3dd8cdf02cc5219f6d8160a4d7fb4354cdd218ca --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 13:46:05,998 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 13:46:06,087 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 13:46:06,094 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 13:46:06,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 13:46:06,131 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 13:46:06,132 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 13:46:06,132 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 13:46:06,133 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 13:46:06,133 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 13:46:06,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 13:46:06,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 13:46:06,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 13:46:06,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 13:46:06,138 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 13:46:06,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 13:46:06,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 13:46:06,139 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 13:46:06,139 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 13:46:06,140 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 13:46:06,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 13:46:06,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 13:46:06,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 13:46:06,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 13:46:06,145 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 13:46:06,145 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 13:46:06,146 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 13:46:06,146 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 13:46:06,146 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 13:46:06,146 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 13:46:06,147 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 13:46:06,147 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 13:46:06,147 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 13:46:06,147 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 13:46:06,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:46:06,150 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 13:46:06,151 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 13:46:06,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 13:46:06,151 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 13:46:06,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 13:46:06,152 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 13:46:06,152 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 13:46:06,152 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 13:46:06,153 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 13:46:06,153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97fbca6e87e25b4f87eb503f3dd8cdf02cc5219f6d8160a4d7fb4354cdd218ca [2024-10-13 13:46:06,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 13:46:06,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 13:46:06,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 13:46:06,432 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 13:46:06,433 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 13:46:06,434 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound20.c [2024-10-13 13:46:07,920 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 13:46:08,085 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 13:46:08,085 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound20.c [2024-10-13 13:46:08,092 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a55c2bca/1799214d48eb464cbfb1c74f7dbbacd3/FLAG32b0604af [2024-10-13 13:46:08,490 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a55c2bca/1799214d48eb464cbfb1c74f7dbbacd3 [2024-10-13 13:46:08,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 13:46:08,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 13:46:08,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 13:46:08,495 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 13:46:08,501 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 13:46:08,502 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:46:08" (1/1) ... [2024-10-13 13:46:08,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ac8c5f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:08, skipping insertion in model container [2024-10-13 13:46:08,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:46:08" (1/1) ... [2024-10-13 13:46:08,526 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 13:46:08,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:46:08,764 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 13:46:08,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:46:08,810 INFO L204 MainTranslator]: Completed translation [2024-10-13 13:46:08,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:08 WrapperNode [2024-10-13 13:46:08,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 13:46:08,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 13:46:08,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 13:46:08,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 13:46:08,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:08" (1/1) ... [2024-10-13 13:46:08,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:08" (1/1) ... [2024-10-13 13:46:08,864 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2024-10-13 13:46:08,866 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 13:46:08,867 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 13:46:08,867 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 13:46:08,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 13:46:08,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:08" (1/1) ... [2024-10-13 13:46:08,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:08" (1/1) ... [2024-10-13 13:46:08,886 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:08" (1/1) ... [2024-10-13 13:46:08,903 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 13:46:08,904 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:08" (1/1) ... [2024-10-13 13:46:08,904 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:08" (1/1) ... [2024-10-13 13:46:08,910 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:08" (1/1) ... [2024-10-13 13:46:08,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:08" (1/1) ... [2024-10-13 13:46:08,919 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:08" (1/1) ... [2024-10-13 13:46:08,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:08" (1/1) ... [2024-10-13 13:46:08,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 13:46:08,928 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 13:46:08,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 13:46:08,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 13:46:08,929 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:08" (1/1) ... [2024-10-13 13:46:08,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:46:08,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:46:08,964 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 13:46:08,969 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 13:46:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 13:46:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 13:46:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 13:46:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 13:46:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 13:46:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 13:46:09,082 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 13:46:09,084 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 13:46:09,602 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-10-13 13:46:09,603 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 13:46:09,635 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 13:46:09,638 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 13:46:09,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:46:09 BoogieIcfgContainer [2024-10-13 13:46:09,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 13:46:09,641 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 13:46:09,641 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 13:46:09,644 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 13:46:09,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:46:08" (1/3) ... [2024-10-13 13:46:09,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@339c3f92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:46:09, skipping insertion in model container [2024-10-13 13:46:09,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:08" (2/3) ... [2024-10-13 13:46:09,646 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@339c3f92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:46:09, skipping insertion in model container [2024-10-13 13:46:09,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:46:09" (3/3) ... [2024-10-13 13:46:09,648 INFO L112 eAbstractionObserver]: Analyzing ICFG prod4br-ll_unwindbound20.c [2024-10-13 13:46:09,663 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 13:46:09,663 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2024-10-13 13:46:09,719 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 13:46:09,724 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;@7f77bee4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 13:46:09,725 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2024-10-13 13:46:09,728 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 57 states have (on average 1.912280701754386) internal successors, (109), 101 states have internal predecessors, (109), 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 13:46:09,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-13 13:46:09,733 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:09,734 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-13 13:46:09,734 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:09,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:09,738 INFO L85 PathProgramCache]: Analyzing trace with hash 175630532, now seen corresponding path program 1 times [2024-10-13 13:46:09,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:09,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896420743] [2024-10-13 13:46:09,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:09,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:09,869 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 13:46:09,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:09,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896420743] [2024-10-13 13:46:09,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896420743] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:46:09,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:46:09,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:46:09,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120545961] [2024-10-13 13:46:09,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:46:09,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 13:46:09,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:09,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 13:46:09,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 13:46:09,908 INFO L87 Difference]: Start difference. First operand has 106 states, 57 states have (on average 1.912280701754386) internal successors, (109), 101 states have internal predecessors, (109), 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) 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 13:46:09,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:09,956 INFO L93 Difference]: Finished difference Result 210 states and 230 transitions. [2024-10-13 13:46:09,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 13:46:09,959 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 13:46:09,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:09,969 INFO L225 Difference]: With dead ends: 210 [2024-10-13 13:46:09,969 INFO L226 Difference]: Without dead ends: 103 [2024-10-13 13:46:09,973 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 13:46:09,978 INFO L432 NwaCegarLoop]: 110 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, 110 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 13:46:09,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:46:09,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-10-13 13:46:10,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-10-13 13:46:10,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 56 states have (on average 1.8571428571428572) internal successors, (104), 99 states have internal predecessors, (104), 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 13:46:10,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 108 transitions. [2024-10-13 13:46:10,019 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 108 transitions. Word has length 5 [2024-10-13 13:46:10,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:10,020 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 108 transitions. [2024-10-13 13:46:10,020 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 13:46:10,020 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 108 transitions. [2024-10-13 13:46:10,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-13 13:46:10,021 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:10,021 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-13 13:46:10,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 13:46:10,022 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:10,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:10,023 INFO L85 PathProgramCache]: Analyzing trace with hash 175686625, now seen corresponding path program 1 times [2024-10-13 13:46:10,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:10,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907961826] [2024-10-13 13:46:10,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:10,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:10,163 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 13:46:10,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:10,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907961826] [2024-10-13 13:46:10,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907961826] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:46:10,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:46:10,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:46:10,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504184460] [2024-10-13 13:46:10,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:46:10,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:46:10,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:10,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:46:10,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:46:10,169 INFO L87 Difference]: Start difference. First operand 103 states and 108 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:46:10,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:10,225 INFO L93 Difference]: Finished difference Result 122 states and 127 transitions. [2024-10-13 13:46:10,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:46:10,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-13 13:46:10,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:10,227 INFO L225 Difference]: With dead ends: 122 [2024-10-13 13:46:10,227 INFO L226 Difference]: Without dead ends: 107 [2024-10-13 13:46:10,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:46:10,229 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 4 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:46:10,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 305 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:46:10,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-10-13 13:46:10,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-10-13 13:46:10,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 60 states have (on average 1.8) internal successors, (108), 103 states have internal predecessors, (108), 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 13:46:10,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 112 transitions. [2024-10-13 13:46:10,239 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 112 transitions. Word has length 5 [2024-10-13 13:46:10,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:10,240 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 112 transitions. [2024-10-13 13:46:10,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:46:10,240 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 112 transitions. [2024-10-13 13:46:10,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-13 13:46:10,241 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:10,241 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:46:10,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 13:46:10,241 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:10,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:10,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1684840623, now seen corresponding path program 1 times [2024-10-13 13:46:10,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:10,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860410020] [2024-10-13 13:46:10,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:10,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:46:10,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [134328092] [2024-10-13 13:46:10,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:10,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:46:10,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:46:10,265 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 13:46:10,266 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 13:46:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:10,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:46:10,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:46:10,542 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 13:46:10,542 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:46:10,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:10,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860410020] [2024-10-13 13:46:10,543 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:46:10,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134328092] [2024-10-13 13:46:10,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134328092] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:46:10,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:46:10,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:46:10,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623599604] [2024-10-13 13:46:10,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:46:10,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:46:10,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:10,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:46:10,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:46:10,549 INFO L87 Difference]: Start difference. First operand 107 states and 112 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:46:11,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:11,016 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2024-10-13 13:46:11,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:46:11,017 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-13 13:46:11,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:11,021 INFO L225 Difference]: With dead ends: 146 [2024-10-13 13:46:11,021 INFO L226 Difference]: Without dead ends: 135 [2024-10-13 13:46:11,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:46:11,023 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 161 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:46:11,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 152 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:46:11,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-10-13 13:46:11,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 130. [2024-10-13 13:46:11,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 83 states have (on average 1.6987951807228916) internal successors, (141), 124 states have internal predecessors, (141), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:46:11,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 149 transitions. [2024-10-13 13:46:11,047 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 149 transitions. Word has length 8 [2024-10-13 13:46:11,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:11,047 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 149 transitions. [2024-10-13 13:46:11,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:46:11,048 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 149 transitions. [2024-10-13 13:46:11,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-13 13:46:11,048 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:11,048 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:46:11,066 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 13:46:11,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:46:11,249 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:11,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:11,250 INFO L85 PathProgramCache]: Analyzing trace with hash -690451704, now seen corresponding path program 1 times [2024-10-13 13:46:11,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:11,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843212857] [2024-10-13 13:46:11,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:11,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:46:11,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [380138900] [2024-10-13 13:46:11,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:11,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:46:11,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:46:11,264 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 13:46:11,268 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 13:46:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:11,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:46:11,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:46:11,411 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 13:46:11,412 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:46:11,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:11,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843212857] [2024-10-13 13:46:11,412 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:46:11,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380138900] [2024-10-13 13:46:11,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380138900] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:46:11,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:46:11,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:46:11,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347449443] [2024-10-13 13:46:11,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:46:11,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:46:11,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:11,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:46:11,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:46:11,414 INFO L87 Difference]: Start difference. First operand 130 states and 149 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:46:11,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:11,746 INFO L93 Difference]: Finished difference Result 181 states and 221 transitions. [2024-10-13 13:46:11,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:46:11,746 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-10-13 13:46:11,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:11,748 INFO L225 Difference]: With dead ends: 181 [2024-10-13 13:46:11,751 INFO L226 Difference]: Without dead ends: 163 [2024-10-13 13:46:11,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:46:11,752 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 177 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:46:11,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 135 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:46:11,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-10-13 13:46:11,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 156. [2024-10-13 13:46:11,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 110 states have (on average 1.6363636363636365) internal successors, (180), 149 states have internal predecessors, (180), 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 13:46:11,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 190 transitions. [2024-10-13 13:46:11,770 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 190 transitions. Word has length 9 [2024-10-13 13:46:11,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:11,770 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 190 transitions. [2024-10-13 13:46:11,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:46:11,771 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 190 transitions. [2024-10-13 13:46:11,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-13 13:46:11,771 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:11,771 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:46:11,787 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 13:46:11,972 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,SelfDestructingSolverStorable3 [2024-10-13 13:46:11,972 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:11,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:11,973 INFO L85 PathProgramCache]: Analyzing trace with hash 70833715, now seen corresponding path program 1 times [2024-10-13 13:46:11,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:11,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985152986] [2024-10-13 13:46:11,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:11,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:46:11,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [479636142] [2024-10-13 13:46:11,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:11,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:46:11,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:46:11,989 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 13:46:11,990 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 13:46:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:12,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-13 13:46:12,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:46:12,205 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 13:46:12,205 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:46:12,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:12,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985152986] [2024-10-13 13:46:12,207 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:46:12,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479636142] [2024-10-13 13:46:12,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479636142] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:46:12,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:46:12,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:46:12,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668642399] [2024-10-13 13:46:12,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:46:12,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:46:12,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:12,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:46:12,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:46:12,210 INFO L87 Difference]: Start difference. First operand 156 states and 190 transitions. Second operand has 5 states, 4 states have (on average 2.5) 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 13:46:12,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:12,532 INFO L93 Difference]: Finished difference Result 164 states and 197 transitions. [2024-10-13 13:46:12,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:46:12,532 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) 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 13:46:12,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:12,533 INFO L225 Difference]: With dead ends: 164 [2024-10-13 13:46:12,533 INFO L226 Difference]: Without dead ends: 163 [2024-10-13 13:46:12,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:46:12,535 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 145 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:46:12,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 159 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:46:12,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-10-13 13:46:12,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 156. [2024-10-13 13:46:12,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 110 states have (on average 1.6272727272727272) internal successors, (179), 149 states have internal predecessors, (179), 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 13:46:12,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 189 transitions. [2024-10-13 13:46:12,548 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 189 transitions. Word has length 10 [2024-10-13 13:46:12,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:12,549 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 189 transitions. [2024-10-13 13:46:12,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) 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 13:46:12,551 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 189 transitions. [2024-10-13 13:46:12,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-13 13:46:12,552 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:12,552 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:46:12,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-13 13:46:12,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:46:12,757 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:12,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:12,758 INFO L85 PathProgramCache]: Analyzing trace with hash -2099122070, now seen corresponding path program 1 times [2024-10-13 13:46:12,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:12,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279646371] [2024-10-13 13:46:12,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:12,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:46:12,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1386485256] [2024-10-13 13:46:12,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:12,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:46:12,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:46:12,772 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 13:46:12,774 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 13:46:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:12,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-13 13:46:12,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:46:12,944 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 13:46:12,945 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:46:12,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:12,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279646371] [2024-10-13 13:46:12,945 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:46:12,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386485256] [2024-10-13 13:46:12,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386485256] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:46:12,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:46:12,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:46:12,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683074186] [2024-10-13 13:46:12,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:46:12,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:46:12,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:12,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:46:12,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:46:12,947 INFO L87 Difference]: Start difference. First operand 156 states and 189 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 13:46:13,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:13,210 INFO L93 Difference]: Finished difference Result 161 states and 189 transitions. [2024-10-13 13:46:13,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:46:13,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2024-10-13 13:46:13,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:13,212 INFO L225 Difference]: With dead ends: 161 [2024-10-13 13:46:13,212 INFO L226 Difference]: Without dead ends: 158 [2024-10-13 13:46:13,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:46:13,213 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 163 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:46:13,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 153 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:46:13,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-10-13 13:46:13,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 156. [2024-10-13 13:46:13,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 110 states have (on average 1.5909090909090908) internal successors, (175), 149 states have internal predecessors, (175), 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 13:46:13,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 185 transitions. [2024-10-13 13:46:13,227 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 185 transitions. Word has length 11 [2024-10-13 13:46:13,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:13,228 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 185 transitions. [2024-10-13 13:46:13,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 13:46:13,228 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 185 transitions. [2024-10-13 13:46:13,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-13 13:46:13,233 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:13,233 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:46:13,248 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 13:46:13,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:46:13,434 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:13,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:13,435 INFO L85 PathProgramCache]: Analyzing trace with hash -648274667, now seen corresponding path program 1 times [2024-10-13 13:46:13,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:13,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003903014] [2024-10-13 13:46:13,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:13,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:13,529 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 13:46:13,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:13,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003903014] [2024-10-13 13:46:13,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003903014] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:46:13,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:46:13,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:46:13,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819465269] [2024-10-13 13:46:13,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:46:13,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:46:13,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:13,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:46:13,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:46:13,531 INFO L87 Difference]: Start difference. First operand 156 states and 185 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:46:14,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:14,975 INFO L93 Difference]: Finished difference Result 259 states and 305 transitions. [2024-10-13 13:46:14,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:46:14,976 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-10-13 13:46:14,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:14,977 INFO L225 Difference]: With dead ends: 259 [2024-10-13 13:46:14,977 INFO L226 Difference]: Without dead ends: 258 [2024-10-13 13:46:14,977 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 13:46:14,978 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 76 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:46:14,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 184 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-13 13:46:14,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-10-13 13:46:14,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 180. [2024-10-13 13:46:14,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 133 states have (on average 1.6015037593984962) internal successors, (213), 172 states have internal predecessors, (213), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 13:46:14,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 225 transitions. [2024-10-13 13:46:14,993 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 225 transitions. Word has length 12 [2024-10-13 13:46:14,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:14,993 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 225 transitions. [2024-10-13 13:46:14,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:46:14,993 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 225 transitions. [2024-10-13 13:46:14,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-13 13:46:14,994 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:14,994 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:46:14,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 13:46:14,994 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:14,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:14,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1378321868, now seen corresponding path program 1 times [2024-10-13 13:46:14,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:14,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160709946] [2024-10-13 13:46:14,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:14,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:15,120 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 13:46:15,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:15,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160709946] [2024-10-13 13:46:15,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160709946] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:46:15,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:46:15,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:46:15,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112458595] [2024-10-13 13:46:15,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:46:15,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:46:15,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:15,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:46:15,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:46:15,122 INFO L87 Difference]: Start difference. First operand 180 states and 225 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 13:46:16,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:16,892 INFO L93 Difference]: Finished difference Result 259 states and 303 transitions. [2024-10-13 13:46:16,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:46:16,893 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2024-10-13 13:46:16,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:16,894 INFO L225 Difference]: With dead ends: 259 [2024-10-13 13:46:16,894 INFO L226 Difference]: Without dead ends: 258 [2024-10-13 13:46:16,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:46:16,895 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 94 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-13 13:46:16,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 176 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-13 13:46:16,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-10-13 13:46:16,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 180. [2024-10-13 13:46:16,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 133 states have (on average 1.586466165413534) internal successors, (211), 172 states have internal predecessors, (211), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 13:46:16,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 223 transitions. [2024-10-13 13:46:16,904 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 223 transitions. Word has length 13 [2024-10-13 13:46:16,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:16,904 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 223 transitions. [2024-10-13 13:46:16,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 13:46:16,904 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 223 transitions. [2024-10-13 13:46:16,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-13 13:46:16,905 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:16,905 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:46:16,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 13:46:16,905 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:16,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:16,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1153187873, now seen corresponding path program 1 times [2024-10-13 13:46:16,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:16,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779482176] [2024-10-13 13:46:16,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:16,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:16,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:46:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:16,998 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 13:46:17,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:17,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779482176] [2024-10-13 13:46:17,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779482176] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:46:17,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:46:17,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:46:17,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233466385] [2024-10-13 13:46:17,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:46:17,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:46:17,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:17,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:46:17,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:46:17,004 INFO L87 Difference]: Start difference. First operand 180 states and 223 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 13:46:17,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:17,141 INFO L93 Difference]: Finished difference Result 258 states and 325 transitions. [2024-10-13 13:46:17,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:46:17,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 27 [2024-10-13 13:46:17,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:17,143 INFO L225 Difference]: With dead ends: 258 [2024-10-13 13:46:17,143 INFO L226 Difference]: Without dead ends: 256 [2024-10-13 13:46:17,144 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 13:46:17,145 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 57 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:46:17,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 150 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:46:17,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-10-13 13:46:17,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 229. [2024-10-13 13:46:17,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 181 states have (on average 1.6574585635359116) internal successors, (300), 220 states have internal predecessors, (300), 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 13:46:17,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 314 transitions. [2024-10-13 13:46:17,158 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 314 transitions. Word has length 27 [2024-10-13 13:46:17,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:17,158 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 314 transitions. [2024-10-13 13:46:17,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 13:46:17,159 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 314 transitions. [2024-10-13 13:46:17,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-13 13:46:17,159 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:17,160 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:46:17,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 13:46:17,161 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:17,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:17,161 INFO L85 PathProgramCache]: Analyzing trace with hash -724674130, now seen corresponding path program 1 times [2024-10-13 13:46:17,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:17,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340949496] [2024-10-13 13:46:17,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:17,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:46:17,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1580067314] [2024-10-13 13:46:17,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:17,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:46:17,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:46:17,207 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 13:46:17,208 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 13:46:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:17,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:46:17,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:46:17,328 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 13:46:17,328 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:46:17,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:17,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340949496] [2024-10-13 13:46:17,329 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:46:17,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580067314] [2024-10-13 13:46:17,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580067314] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:46:17,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:46:17,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:46:17,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414246740] [2024-10-13 13:46:17,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:46:17,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:46:17,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:17,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:46:17,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:46:17,331 INFO L87 Difference]: Start difference. First operand 229 states and 314 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 13:46:17,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:17,721 INFO L93 Difference]: Finished difference Result 281 states and 386 transitions. [2024-10-13 13:46:17,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:46:17,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 27 [2024-10-13 13:46:17,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:17,723 INFO L225 Difference]: With dead ends: 281 [2024-10-13 13:46:17,723 INFO L226 Difference]: Without dead ends: 277 [2024-10-13 13:46:17,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 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 13:46:17,724 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 165 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:46:17,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 105 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:46:17,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-10-13 13:46:17,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 257. [2024-10-13 13:46:17,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 208 states have (on average 1.6586538461538463) internal successors, (345), 247 states have internal predecessors, (345), 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 13:46:17,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 361 transitions. [2024-10-13 13:46:17,733 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 361 transitions. Word has length 27 [2024-10-13 13:46:17,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:17,733 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 361 transitions. [2024-10-13 13:46:17,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 13:46:17,734 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 361 transitions. [2024-10-13 13:46:17,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-13 13:46:17,735 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:17,735 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:46:17,750 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 13:46:17,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-13 13:46:17,936 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:17,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:17,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1405184119, now seen corresponding path program 1 times [2024-10-13 13:46:17,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:17,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234284349] [2024-10-13 13:46:17,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:17,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:18,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:46:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:18,032 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 13:46:18,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:18,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234284349] [2024-10-13 13:46:18,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234284349] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:46:18,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:46:18,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:46:18,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323076904] [2024-10-13 13:46:18,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:46:18,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:46:18,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:18,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:46:18,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:46:18,034 INFO L87 Difference]: Start difference. First operand 257 states and 361 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 13:46:18,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:18,520 INFO L93 Difference]: Finished difference Result 341 states and 453 transitions. [2024-10-13 13:46:18,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:46:18,521 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 28 [2024-10-13 13:46:18,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:18,523 INFO L225 Difference]: With dead ends: 341 [2024-10-13 13:46:18,523 INFO L226 Difference]: Without dead ends: 340 [2024-10-13 13:46:18,523 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 13:46:18,524 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 64 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:46:18,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 225 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:46:18,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-10-13 13:46:18,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 267. [2024-10-13 13:46:18,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 218 states have (on average 1.651376146788991) internal successors, (360), 257 states have internal predecessors, (360), 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 13:46:18,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 376 transitions. [2024-10-13 13:46:18,537 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 376 transitions. Word has length 28 [2024-10-13 13:46:18,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:18,538 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 376 transitions. [2024-10-13 13:46:18,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 13:46:18,538 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 376 transitions. [2024-10-13 13:46:18,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-13 13:46:18,540 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:18,541 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:46:18,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 13:46:18,541 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:18,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:18,541 INFO L85 PathProgramCache]: Analyzing trace with hash -990061430, now seen corresponding path program 1 times [2024-10-13 13:46:18,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:18,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866116187] [2024-10-13 13:46:18,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:18,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:46:18,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1374112604] [2024-10-13 13:46:18,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:18,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:46:18,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:46:18,572 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 13:46:18,573 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 13:46:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:18,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:46:18,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:46:18,706 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 13:46:18,706 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:46:18,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:18,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866116187] [2024-10-13 13:46:18,707 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:46:18,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374112604] [2024-10-13 13:46:18,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374112604] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:46:18,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:46:18,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:46:18,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961729309] [2024-10-13 13:46:18,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:46:18,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:46:18,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:18,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:46:18,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:46:18,709 INFO L87 Difference]: Start difference. First operand 267 states and 376 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 13:46:18,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:18,969 INFO L93 Difference]: Finished difference Result 284 states and 383 transitions. [2024-10-13 13:46:18,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:46:18,969 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 28 [2024-10-13 13:46:18,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:18,970 INFO L225 Difference]: With dead ends: 284 [2024-10-13 13:46:18,971 INFO L226 Difference]: Without dead ends: 280 [2024-10-13 13:46:18,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:46:18,971 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 213 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:46:18,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 75 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:46:18,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-10-13 13:46:18,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 267. [2024-10-13 13:46:18,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 218 states have (on average 1.628440366972477) internal successors, (355), 257 states have internal predecessors, (355), 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 13:46:18,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 371 transitions. [2024-10-13 13:46:18,981 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 371 transitions. Word has length 28 [2024-10-13 13:46:18,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:18,981 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 371 transitions. [2024-10-13 13:46:18,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 13:46:18,982 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 371 transitions. [2024-10-13 13:46:18,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-13 13:46:18,982 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:18,982 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:46:18,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-13 13:46:19,183 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 13:46:19,183 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:19,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:19,184 INFO L85 PathProgramCache]: Analyzing trace with hash -611034622, now seen corresponding path program 1 times [2024-10-13 13:46:19,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:19,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648544156] [2024-10-13 13:46:19,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:19,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:19,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:46:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:19,275 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 13:46:19,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:19,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648544156] [2024-10-13 13:46:19,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648544156] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:46:19,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:46:19,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:46:19,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757367844] [2024-10-13 13:46:19,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:46:19,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:46:19,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:19,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:46:19,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:46:19,278 INFO L87 Difference]: Start difference. First operand 267 states and 371 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:46:20,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:20,038 INFO L93 Difference]: Finished difference Result 341 states and 445 transitions. [2024-10-13 13:46:20,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:46:20,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-10-13 13:46:20,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:20,039 INFO L225 Difference]: With dead ends: 341 [2024-10-13 13:46:20,039 INFO L226 Difference]: Without dead ends: 340 [2024-10-13 13:46:20,040 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 13:46:20,040 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 63 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:46:20,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 217 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 13:46:20,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-10-13 13:46:20,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 269. [2024-10-13 13:46:20,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 220 states have (on average 1.6227272727272728) internal successors, (357), 259 states have internal predecessors, (357), 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 13:46:20,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 373 transitions. [2024-10-13 13:46:20,052 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 373 transitions. Word has length 29 [2024-10-13 13:46:20,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:20,053 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 373 transitions. [2024-10-13 13:46:20,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 13:46:20,053 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 373 transitions. [2024-10-13 13:46:20,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-13 13:46:20,054 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:20,055 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:46:20,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 13:46:20,055 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:20,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:20,055 INFO L85 PathProgramCache]: Analyzing trace with hash -212964752, now seen corresponding path program 1 times [2024-10-13 13:46:20,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:20,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318992519] [2024-10-13 13:46:20,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:20,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:20,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:46:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:20,141 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 13:46:20,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:20,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318992519] [2024-10-13 13:46:20,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318992519] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:46:20,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:46:20,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 13:46:20,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186250894] [2024-10-13 13:46:20,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:46:20,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:46:20,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:20,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:46:20,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:46:20,142 INFO L87 Difference]: Start difference. First operand 269 states and 373 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:46:20,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:20,819 INFO L93 Difference]: Finished difference Result 383 states and 552 transitions. [2024-10-13 13:46:20,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:46:20,821 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-10-13 13:46:20,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:20,823 INFO L225 Difference]: With dead ends: 383 [2024-10-13 13:46:20,823 INFO L226 Difference]: Without dead ends: 381 [2024-10-13 13:46:20,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:46:20,824 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 295 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:46:20,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 113 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:46:20,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-10-13 13:46:20,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 275. [2024-10-13 13:46:20,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 226 states have (on average 1.6106194690265487) internal successors, (364), 265 states have internal predecessors, (364), 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 13:46:20,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 380 transitions. [2024-10-13 13:46:20,838 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 380 transitions. Word has length 29 [2024-10-13 13:46:20,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:20,838 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 380 transitions. [2024-10-13 13:46:20,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:46:20,838 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 380 transitions. [2024-10-13 13:46:20,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-13 13:46:20,859 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:20,859 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:46:20,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 13:46:20,859 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:20,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:20,859 INFO L85 PathProgramCache]: Analyzing trace with hash -627133136, now seen corresponding path program 1 times [2024-10-13 13:46:20,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:20,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399376179] [2024-10-13 13:46:20,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:20,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:20,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:46:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:20,935 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 13:46:20,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:20,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399376179] [2024-10-13 13:46:20,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399376179] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:46:20,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:46:20,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:46:20,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484977131] [2024-10-13 13:46:20,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:46:20,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:46:20,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:20,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:46:20,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:46:20,940 INFO L87 Difference]: Start difference. First operand 275 states and 380 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:46:21,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:21,622 INFO L93 Difference]: Finished difference Result 341 states and 441 transitions. [2024-10-13 13:46:21,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:46:21,623 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-10-13 13:46:21,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:21,624 INFO L225 Difference]: With dead ends: 341 [2024-10-13 13:46:21,624 INFO L226 Difference]: Without dead ends: 340 [2024-10-13 13:46:21,625 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 13:46:21,625 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 64 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:46:21,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 210 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 13:46:21,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-10-13 13:46:21,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 284. [2024-10-13 13:46:21,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 235 states have (on average 1.6085106382978724) internal successors, (378), 274 states have internal predecessors, (378), 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 13:46:21,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 394 transitions. [2024-10-13 13:46:21,635 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 394 transitions. Word has length 29 [2024-10-13 13:46:21,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:21,635 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 394 transitions. [2024-10-13 13:46:21,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 13:46:21,636 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 394 transitions. [2024-10-13 13:46:21,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-13 13:46:21,636 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:21,636 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:46:21,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 13:46:21,636 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:21,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:21,637 INFO L85 PathProgramCache]: Analyzing trace with hash 823564061, now seen corresponding path program 1 times [2024-10-13 13:46:21,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:21,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040496544] [2024-10-13 13:46:21,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:21,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:21,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:46:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:21,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:46:21,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:21,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040496544] [2024-10-13 13:46:21,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040496544] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:46:21,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480547921] [2024-10-13 13:46:21,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:21,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:46:21,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:46:21,742 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 13:46:21,744 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 13:46:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:21,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:46:21,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:46:21,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:46:21,857 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:46:21,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480547921] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:46:21,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:46:21,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-13 13:46:21,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689553853] [2024-10-13 13:46:21,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:46:21,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:46:21,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:21,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:46:21,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:46:21,859 INFO L87 Difference]: Start difference. First operand 284 states and 394 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 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 13:46:21,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:21,888 INFO L93 Difference]: Finished difference Result 284 states and 394 transitions. [2024-10-13 13:46:21,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:46:21,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 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 30 [2024-10-13 13:46:21,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:21,890 INFO L225 Difference]: With dead ends: 284 [2024-10-13 13:46:21,890 INFO L226 Difference]: Without dead ends: 283 [2024-10-13 13:46:21,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:46:21,891 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 81 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:46:21,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 288 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:46:21,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-10-13 13:46:21,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2024-10-13 13:46:21,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 235 states have (on average 1.5872340425531914) internal successors, (373), 273 states have internal predecessors, (373), 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 13:46:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 389 transitions. [2024-10-13 13:46:21,902 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 389 transitions. Word has length 30 [2024-10-13 13:46:21,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:21,903 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 389 transitions. [2024-10-13 13:46:21,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 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 13:46:21,903 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 389 transitions. [2024-10-13 13:46:21,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-13 13:46:21,903 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:21,903 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:46:21,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-13 13:46:22,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:46:22,104 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:22,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:22,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1988027418, now seen corresponding path program 1 times [2024-10-13 13:46:22,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:22,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909992254] [2024-10-13 13:46:22,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:22,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:22,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:46:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:22,200 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 13:46:22,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:22,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909992254] [2024-10-13 13:46:22,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909992254] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:46:22,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:46:22,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 13:46:22,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617221558] [2024-10-13 13:46:22,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:46:22,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:46:22,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:22,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:46:22,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:46:22,202 INFO L87 Difference]: Start difference. First operand 283 states and 389 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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 13:46:22,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:22,641 INFO L93 Difference]: Finished difference Result 291 states and 396 transitions. [2024-10-13 13:46:22,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:46:22,642 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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 30 [2024-10-13 13:46:22,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:22,643 INFO L225 Difference]: With dead ends: 291 [2024-10-13 13:46:22,643 INFO L226 Difference]: Without dead ends: 289 [2024-10-13 13:46:22,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:46:22,644 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 276 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:46:22,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 76 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:46:22,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-10-13 13:46:22,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 283. [2024-10-13 13:46:22,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 235 states have (on average 1.574468085106383) internal successors, (370), 273 states have internal predecessors, (370), 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 13:46:22,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 386 transitions. [2024-10-13 13:46:22,655 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 386 transitions. Word has length 30 [2024-10-13 13:46:22,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:22,655 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 386 transitions. [2024-10-13 13:46:22,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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 13:46:22,655 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 386 transitions. [2024-10-13 13:46:22,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-13 13:46:22,656 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:22,656 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:46:22,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-13 13:46:22,656 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:22,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:22,657 INFO L85 PathProgramCache]: Analyzing trace with hash 2033709388, now seen corresponding path program 1 times [2024-10-13 13:46:22,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:22,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081824398] [2024-10-13 13:46:22,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:22,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:22,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:46:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:22,836 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 13:46:22,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:22,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081824398] [2024-10-13 13:46:22,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081824398] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:46:22,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:46:22,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:46:22,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137816113] [2024-10-13 13:46:22,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:46:22,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:46:22,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:22,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:46:22,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:46:22,838 INFO L87 Difference]: Start difference. First operand 283 states and 386 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 13:46:23,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:23,800 INFO L93 Difference]: Finished difference Result 339 states and 430 transitions. [2024-10-13 13:46:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:46:23,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 30 [2024-10-13 13:46:23,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:23,802 INFO L225 Difference]: With dead ends: 339 [2024-10-13 13:46:23,802 INFO L226 Difference]: Without dead ends: 338 [2024-10-13 13:46:23,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:46:23,803 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 61 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 13:46:23,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 218 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 13:46:23,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-10-13 13:46:23,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 285. [2024-10-13 13:46:23,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 237 states have (on average 1.5696202531645569) internal successors, (372), 275 states have internal predecessors, (372), 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 13:46:23,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 388 transitions. [2024-10-13 13:46:23,814 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 388 transitions. Word has length 30 [2024-10-13 13:46:23,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:23,814 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 388 transitions. [2024-10-13 13:46:23,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 13:46:23,815 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 388 transitions. [2024-10-13 13:46:23,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-13 13:46:23,815 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:23,815 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:46:23,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-13 13:46:23,816 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:23,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:23,816 INFO L85 PathProgramCache]: Analyzing trace with hash -239317837, now seen corresponding path program 1 times [2024-10-13 13:46:23,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:23,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228487399] [2024-10-13 13:46:23,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:23,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:23,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:46:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:23,891 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 13:46:23,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:23,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228487399] [2024-10-13 13:46:23,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228487399] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:46:23,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529312201] [2024-10-13 13:46:23,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:23,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:46:23,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:46:23,894 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 13:46:23,895 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 13:46:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:23,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:46:23,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:46:23,994 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:46:23,994 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:46:23,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529312201] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:46:23,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:46:23,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-13 13:46:23,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382771975] [2024-10-13 13:46:23,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:46:23,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:46:23,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:23,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:46:23,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:46:23,996 INFO L87 Difference]: Start difference. First operand 285 states and 388 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 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 13:46:24,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:24,049 INFO L93 Difference]: Finished difference Result 300 states and 403 transitions. [2024-10-13 13:46:24,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:46:24,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 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 13:46:24,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:24,051 INFO L225 Difference]: With dead ends: 300 [2024-10-13 13:46:24,051 INFO L226 Difference]: Without dead ends: 299 [2024-10-13 13:46:24,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:46:24,052 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 79 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:46:24,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 315 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:46:24,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-10-13 13:46:24,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 294. [2024-10-13 13:46:24,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 244 states have (on average 1.5327868852459017) internal successors, (374), 283 states have internal predecessors, (374), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 13:46:24,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 394 transitions. [2024-10-13 13:46:24,066 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 394 transitions. Word has length 31 [2024-10-13 13:46:24,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:24,066 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 394 transitions. [2024-10-13 13:46:24,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 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 13:46:24,066 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 394 transitions. [2024-10-13 13:46:24,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-13 13:46:24,067 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:24,067 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, 1, 1, 1, 1] [2024-10-13 13:46:24,084 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 13:46:24,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:46:24,268 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:24,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:24,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1943794325, now seen corresponding path program 1 times [2024-10-13 13:46:24,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:24,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617602466] [2024-10-13 13:46:24,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:24,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:46:24,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2055581498] [2024-10-13 13:46:24,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:24,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:46:24,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:46:24,285 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 13:46:24,286 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 13:46:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:24,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-13 13:46:24,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:46:25,121 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 13:46:25,121 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:46:27,278 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 13:46:27,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:27,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617602466] [2024-10-13 13:46:27,279 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:46:27,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055581498] [2024-10-13 13:46:27,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055581498] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:46:27,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:46:27,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2024-10-13 13:46:27,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323827813] [2024-10-13 13:46:27,280 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:46:27,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 13:46:27,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:27,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 13:46:27,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-10-13 13:46:27,281 INFO L87 Difference]: Start difference. First operand 294 states and 394 transitions. Second operand has 15 states, 14 states have (on average 4.214285714285714) internal successors, (59), 15 states have internal predecessors, (59), 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 13:46:32,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:32,191 INFO L93 Difference]: Finished difference Result 586 states and 833 transitions. [2024-10-13 13:46:32,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-13 13:46:32,192 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.214285714285714) internal successors, (59), 15 states have internal predecessors, (59), 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 33 [2024-10-13 13:46:32,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:32,197 INFO L225 Difference]: With dead ends: 586 [2024-10-13 13:46:32,197 INFO L226 Difference]: Without dead ends: 559 [2024-10-13 13:46:32,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=322, Invalid=670, Unknown=0, NotChecked=0, Total=992 [2024-10-13 13:46:32,199 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 688 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:46:32,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 122 Invalid, 942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-10-13 13:46:32,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-10-13 13:46:32,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 363. [2024-10-13 13:46:32,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 313 states have (on average 1.488817891373802) internal successors, (466), 350 states have internal predecessors, (466), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-13 13:46:32,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 488 transitions. [2024-10-13 13:46:32,230 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 488 transitions. Word has length 33 [2024-10-13 13:46:32,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:32,231 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 488 transitions. [2024-10-13 13:46:32,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.214285714285714) internal successors, (59), 15 states have internal predecessors, (59), 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 13:46:32,231 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 488 transitions. [2024-10-13 13:46:32,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-13 13:46:32,232 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:32,232 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:46:32,251 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 13:46:32,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:46:32,434 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:32,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:32,434 INFO L85 PathProgramCache]: Analyzing trace with hash 2020904180, now seen corresponding path program 1 times [2024-10-13 13:46:32,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:32,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395377471] [2024-10-13 13:46:32,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:32,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:46:32,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2025045665] [2024-10-13 13:46:32,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:32,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:46:32,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:46:32,457 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 13:46:32,458 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 13:46:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:32,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:46:32,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:46:32,655 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 13:46:32,656 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:46:32,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:32,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395377471] [2024-10-13 13:46:32,656 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:46:32,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025045665] [2024-10-13 13:46:32,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025045665] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:46:32,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:46:32,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 13:46:32,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295046213] [2024-10-13 13:46:32,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:46:32,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:46:32,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:32,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:46:32,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:46:32,658 INFO L87 Difference]: Start difference. First operand 363 states and 488 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 13:46:33,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:33,313 INFO L93 Difference]: Finished difference Result 457 states and 625 transitions. [2024-10-13 13:46:33,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:46:33,313 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 33 [2024-10-13 13:46:33,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:33,315 INFO L225 Difference]: With dead ends: 457 [2024-10-13 13:46:33,315 INFO L226 Difference]: Without dead ends: 450 [2024-10-13 13:46:33,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:46:33,317 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 240 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:46:33,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 104 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:46:33,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-10-13 13:46:33,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 380. [2024-10-13 13:46:33,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 330 states have (on average 1.4848484848484849) internal successors, (490), 367 states have internal predecessors, (490), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-13 13:46:33,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 512 transitions. [2024-10-13 13:46:33,343 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 512 transitions. Word has length 33 [2024-10-13 13:46:33,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:33,343 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 512 transitions. [2024-10-13 13:46:33,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 13:46:33,343 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 512 transitions. [2024-10-13 13:46:33,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-13 13:46:33,344 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:33,344 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:46:33,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-13 13:46:33,544 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,SelfDestructingSolverStorable20 [2024-10-13 13:46:33,544 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:33,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:33,545 INFO L85 PathProgramCache]: Analyzing trace with hash 128081988, now seen corresponding path program 1 times [2024-10-13 13:46:33,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:33,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954031880] [2024-10-13 13:46:33,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:33,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:46:33,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [384277135] [2024-10-13 13:46:33,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:33,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:46:33,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:46:33,559 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 13:46:33,561 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 13:46:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:33,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-13 13:46:33,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:46:34,186 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:46:34,186 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:46:36,065 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:46:36,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:36,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954031880] [2024-10-13 13:46:36,066 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:46:36,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384277135] [2024-10-13 13:46:36,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384277135] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:46:36,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:46:36,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2024-10-13 13:46:36,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800000410] [2024-10-13 13:46:36,066 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:46:36,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 13:46:36,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:36,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 13:46:36,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-10-13 13:46:36,067 INFO L87 Difference]: Start difference. First operand 380 states and 512 transitions. Second operand has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 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 13:46:42,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 13:46:45,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:45,530 INFO L93 Difference]: Finished difference Result 601 states and 836 transitions. [2024-10-13 13:46:45,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-13 13:46:45,531 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 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 34 [2024-10-13 13:46:45,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:45,533 INFO L225 Difference]: With dead ends: 601 [2024-10-13 13:46:45,533 INFO L226 Difference]: Without dead ends: 567 [2024-10-13 13:46:45,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=283, Invalid=587, Unknown=0, NotChecked=0, Total=870 [2024-10-13 13:46:45,534 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 597 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 78 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 598 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:46:45,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [598 Valid, 127 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 800 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2024-10-13 13:46:45,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2024-10-13 13:46:45,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 412. [2024-10-13 13:46:45,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 363 states have (on average 1.4462809917355373) internal successors, (525), 399 states have internal predecessors, (525), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 13:46:45,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 545 transitions. [2024-10-13 13:46:45,563 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 545 transitions. Word has length 34 [2024-10-13 13:46:45,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:45,564 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 545 transitions. [2024-10-13 13:46:45,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 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 13:46:45,564 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 545 transitions. [2024-10-13 13:46:45,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-13 13:46:45,565 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:45,565 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:46:45,582 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 13:46:45,765 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,SelfDestructingSolverStorable21 [2024-10-13 13:46:45,766 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:45,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:45,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1776479714, now seen corresponding path program 1 times [2024-10-13 13:46:45,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:45,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051518155] [2024-10-13 13:46:45,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:45,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:46:45,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [141456575] [2024-10-13 13:46:45,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:45,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:46:45,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:46:45,783 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 13:46:45,784 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 13:46:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:45,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:46:45,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:46:45,981 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 13:46:45,981 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:46:45,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:45,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051518155] [2024-10-13 13:46:45,981 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:46:45,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141456575] [2024-10-13 13:46:45,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141456575] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:46:45,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:46:45,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 13:46:45,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832041138] [2024-10-13 13:46:45,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:46:45,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:46:45,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:45,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:46:45,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:46:45,983 INFO L87 Difference]: Start difference. First operand 412 states and 545 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 13:46:46,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:46,555 INFO L93 Difference]: Finished difference Result 449 states and 587 transitions. [2024-10-13 13:46:46,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:46:46,555 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 34 [2024-10-13 13:46:46,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:46,557 INFO L225 Difference]: With dead ends: 449 [2024-10-13 13:46:46,557 INFO L226 Difference]: Without dead ends: 444 [2024-10-13 13:46:46,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:46:46,558 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 220 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:46:46,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 103 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:46:46,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-10-13 13:46:46,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 410. [2024-10-13 13:46:46,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 361 states have (on average 1.4238227146814404) internal successors, (514), 397 states have internal predecessors, (514), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 13:46:46,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 534 transitions. [2024-10-13 13:46:46,585 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 534 transitions. Word has length 34 [2024-10-13 13:46:46,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:46,585 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 534 transitions. [2024-10-13 13:46:46,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 13:46:46,585 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 534 transitions. [2024-10-13 13:46:46,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-13 13:46:46,586 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:46,586 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:46:46,603 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 13:46:46,786 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,SelfDestructingSolverStorable22 [2024-10-13 13:46:46,786 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:46,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:46,787 INFO L85 PathProgramCache]: Analyzing trace with hash -324425609, now seen corresponding path program 1 times [2024-10-13 13:46:46,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:46,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717431456] [2024-10-13 13:46:46,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:46,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:46:46,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [853184119] [2024-10-13 13:46:46,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:46,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:46:46,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:46:46,807 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 13:46:46,808 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 13:46:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:46,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-13 13:46:46,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:46:47,291 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 13:46:47,291 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:46:49,785 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 13:46:49,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:49,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717431456] [2024-10-13 13:46:49,786 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:46:49,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853184119] [2024-10-13 13:46:49,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853184119] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-13 13:46:49,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:46:49,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2024-10-13 13:46:49,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164357760] [2024-10-13 13:46:49,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:46:49,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:46:49,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:49,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:46:49,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:46:49,787 INFO L87 Difference]: Start difference. First operand 410 states and 534 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 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 13:46:53,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:53,708 INFO L93 Difference]: Finished difference Result 418 states and 542 transitions. [2024-10-13 13:46:53,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:46:53,709 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 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 35 [2024-10-13 13:46:53,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:53,710 INFO L225 Difference]: With dead ends: 418 [2024-10-13 13:46:53,710 INFO L226 Difference]: Without dead ends: 417 [2024-10-13 13:46:53,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-13 13:46:53,711 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 39 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-10-13 13:46:53,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 101 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-10-13 13:46:53,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-10-13 13:46:53,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 417. [2024-10-13 13:46:53,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 368 states have (on average 1.4103260869565217) internal successors, (519), 404 states have internal predecessors, (519), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 13:46:53,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 539 transitions. [2024-10-13 13:46:53,740 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 539 transitions. Word has length 35 [2024-10-13 13:46:53,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:53,740 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 539 transitions. [2024-10-13 13:46:53,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 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 13:46:53,741 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 539 transitions. [2024-10-13 13:46:53,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-13 13:46:53,741 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:53,741 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:46:53,759 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 13:46:53,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-13 13:46:53,946 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:53,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:53,946 INFO L85 PathProgramCache]: Analyzing trace with hash 763703862, now seen corresponding path program 1 times [2024-10-13 13:46:53,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:53,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281481726] [2024-10-13 13:46:53,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:53,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:54,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:46:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:54,060 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 13:46:54,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:54,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281481726] [2024-10-13 13:46:54,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281481726] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:46:54,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:46:54,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:46:54,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523470827] [2024-10-13 13:46:54,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:46:54,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:46:54,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:54,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:46:54,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:46:54,062 INFO L87 Difference]: Start difference. First operand 417 states and 539 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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 13:46:54,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:46:54,712 INFO L93 Difference]: Finished difference Result 444 states and 560 transitions. [2024-10-13 13:46:54,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:46:54,713 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), 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 35 [2024-10-13 13:46:54,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:46:54,715 INFO L225 Difference]: With dead ends: 444 [2024-10-13 13:46:54,715 INFO L226 Difference]: Without dead ends: 443 [2024-10-13 13:46:54,715 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 13:46:54,719 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 34 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:46:54,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 186 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:46:54,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-10-13 13:46:54,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 428. [2024-10-13 13:46:54,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 379 states have (on average 1.4142480211081794) internal successors, (536), 415 states have internal predecessors, (536), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 13:46:54,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 556 transitions. [2024-10-13 13:46:54,754 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 556 transitions. Word has length 35 [2024-10-13 13:46:54,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:46:54,754 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 556 transitions. [2024-10-13 13:46:54,755 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), 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 13:46:54,755 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 556 transitions. [2024-10-13 13:46:54,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-13 13:46:54,756 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:46:54,756 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:46:54,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-13 13:46:54,756 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:46:54,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:46:54,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1467259226, now seen corresponding path program 1 times [2024-10-13 13:46:54,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:46:54,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567169494] [2024-10-13 13:46:54,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:54,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:46:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:46:54,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [152452569] [2024-10-13 13:46:54,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:46:54,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:46:54,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:46:54,779 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 13:46:54,781 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 13:46:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:46:54,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-13 13:46:54,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:46:55,134 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:46:55,134 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:46:57,035 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:46:57,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:46:57,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567169494] [2024-10-13 13:46:57,036 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:46:57,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152452569] [2024-10-13 13:46:57,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152452569] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-13 13:46:57,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:46:57,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2024-10-13 13:46:57,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215497273] [2024-10-13 13:46:57,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:46:57,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:46:57,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:46:57,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:46:57,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:46:57,037 INFO L87 Difference]: Start difference. First operand 428 states and 556 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:47:01,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:47:01,782 INFO L93 Difference]: Finished difference Result 430 states and 558 transitions. [2024-10-13 13:47:01,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:47:01,783 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-10-13 13:47:01,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:47:01,784 INFO L225 Difference]: With dead ends: 430 [2024-10-13 13:47:01,784 INFO L226 Difference]: Without dead ends: 429 [2024-10-13 13:47:01,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-13 13:47:01,785 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 16 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:47:01,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 109 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-10-13 13:47:01,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-10-13 13:47:01,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2024-10-13 13:47:01,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 380 states have (on average 1.4078947368421053) internal successors, (535), 416 states have internal predecessors, (535), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 13:47:01,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 555 transitions. [2024-10-13 13:47:01,822 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 555 transitions. Word has length 36 [2024-10-13 13:47:01,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:47:01,822 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 555 transitions. [2024-10-13 13:47:01,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:47:01,822 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 555 transitions. [2024-10-13 13:47:01,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-13 13:47:01,823 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:47:01,823 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:47:01,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-13 13:47:02,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:47:02,024 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:47:02,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:47:02,024 INFO L85 PathProgramCache]: Analyzing trace with hash 407056624, now seen corresponding path program 1 times [2024-10-13 13:47:02,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:47:02,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577844618] [2024-10-13 13:47:02,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:47:02,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:47:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:47:02,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1615212528] [2024-10-13 13:47:02,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:47:02,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:47:02,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:47:02,040 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 13:47:02,042 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 13:47:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:47:02,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:47:02,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:47:02,228 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 13:47:02,228 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:47:02,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:47:02,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577844618] [2024-10-13 13:47:02,229 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:47:02,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615212528] [2024-10-13 13:47:02,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615212528] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:47:02,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:47:02,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 13:47:02,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090836668] [2024-10-13 13:47:02,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:47:02,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:47:02,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:47:02,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:47:02,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:47:02,230 INFO L87 Difference]: Start difference. First operand 429 states and 555 transitions. Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:47:02,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:47:02,590 INFO L93 Difference]: Finished difference Result 432 states and 557 transitions. [2024-10-13 13:47:02,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:47:02,591 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-10-13 13:47:02,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:47:02,592 INFO L225 Difference]: With dead ends: 432 [2024-10-13 13:47:02,592 INFO L226 Difference]: Without dead ends: 431 [2024-10-13 13:47:02,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:47:02,593 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 156 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:47:02,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 184 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:47:02,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-10-13 13:47:02,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 429. [2024-10-13 13:47:02,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 380 states have (on average 1.4052631578947368) internal successors, (534), 416 states have internal predecessors, (534), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 13:47:02,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 554 transitions. [2024-10-13 13:47:02,617 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 554 transitions. Word has length 36 [2024-10-13 13:47:02,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:47:02,617 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 554 transitions. [2024-10-13 13:47:02,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:47:02,618 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 554 transitions. [2024-10-13 13:47:02,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-13 13:47:02,618 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:47:02,618 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:47:02,635 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 13:47:02,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-13 13:47:02,819 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:47:02,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:47:02,819 INFO L85 PathProgramCache]: Analyzing trace with hash -2094983904, now seen corresponding path program 1 times [2024-10-13 13:47:02,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:47:02,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412442606] [2024-10-13 13:47:02,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:47:02,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:47:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:47:02,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:47:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:47:02,867 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 13:47:02,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:47:02,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412442606] [2024-10-13 13:47:02,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412442606] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:47:02,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:47:02,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:47:02,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467032119] [2024-10-13 13:47:02,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:47:02,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:47:02,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:47:02,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:47:02,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:47:02,869 INFO L87 Difference]: Start difference. First operand 429 states and 554 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:47:03,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:47:03,411 INFO L93 Difference]: Finished difference Result 444 states and 556 transitions. [2024-10-13 13:47:03,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:47:03,411 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-10-13 13:47:03,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:47:03,413 INFO L225 Difference]: With dead ends: 444 [2024-10-13 13:47:03,413 INFO L226 Difference]: Without dead ends: 443 [2024-10-13 13:47:03,413 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 13:47:03,414 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 32 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:47:03,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 192 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:47:03,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-10-13 13:47:03,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 430. [2024-10-13 13:47:03,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 381 states have (on average 1.4015748031496063) internal successors, (534), 417 states have internal predecessors, (534), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 13:47:03,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 554 transitions. [2024-10-13 13:47:03,442 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 554 transitions. Word has length 36 [2024-10-13 13:47:03,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:47:03,443 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 554 transitions. [2024-10-13 13:47:03,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:47:03,443 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 554 transitions. [2024-10-13 13:47:03,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-13 13:47:03,444 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:47:03,444 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:47:03,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-13 13:47:03,444 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:47:03,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:47:03,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1171173990, now seen corresponding path program 1 times [2024-10-13 13:47:03,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:47:03,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174042950] [2024-10-13 13:47:03,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:47:03,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:47:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:47:03,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1053082980] [2024-10-13 13:47:03,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:47:03,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:47:03,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:47:03,458 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:47:03,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-13 13:47:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:47:03,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-13 13:47:03,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:47:04,176 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 13:47:04,176 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:47:05,834 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 13:47:05,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:47:05,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174042950] [2024-10-13 13:47:05,834 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:47:05,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1053082980] [2024-10-13 13:47:05,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1053082980] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-13 13:47:05,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:47:05,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-10-13 13:47:05,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362102728] [2024-10-13 13:47:05,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:47:05,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:47:05,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:47:05,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:47:05,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:47:05,835 INFO L87 Difference]: Start difference. First operand 430 states and 554 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 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 13:47:09,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:47:09,213 INFO L93 Difference]: Finished difference Result 442 states and 568 transitions. [2024-10-13 13:47:09,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:47:09,214 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 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 37 [2024-10-13 13:47:09,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:47:09,215 INFO L225 Difference]: With dead ends: 442 [2024-10-13 13:47:09,215 INFO L226 Difference]: Without dead ends: 441 [2024-10-13 13:47:09,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-10-13 13:47:09,216 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 19 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:47:09,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 179 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-10-13 13:47:09,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-10-13 13:47:09,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2024-10-13 13:47:09,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 392 states have (on average 1.3903061224489797) internal successors, (545), 428 states have internal predecessors, (545), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 13:47:09,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 565 transitions. [2024-10-13 13:47:09,256 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 565 transitions. Word has length 37 [2024-10-13 13:47:09,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:47:09,256 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 565 transitions. [2024-10-13 13:47:09,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 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 13:47:09,256 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 565 transitions. [2024-10-13 13:47:09,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-13 13:47:09,257 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:47:09,257 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:47:09,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-13 13:47:09,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-13 13:47:09,461 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:47:09,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:47:09,461 INFO L85 PathProgramCache]: Analyzing trace with hash 339393682, now seen corresponding path program 1 times [2024-10-13 13:47:09,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:47:09,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291432858] [2024-10-13 13:47:09,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:47:09,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:47:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:47:09,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1432698724] [2024-10-13 13:47:09,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:47:09,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:47:09,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:47:09,473 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:47:09,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-13 13:47:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:47:09,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:47:09,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:47:09,696 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:47:09,696 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:47:09,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:47:09,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291432858] [2024-10-13 13:47:09,696 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:47:09,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432698724] [2024-10-13 13:47:09,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432698724] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:47:09,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:47:09,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 13:47:09,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073116717] [2024-10-13 13:47:09,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:47:09,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:47:09,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:47:09,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:47:09,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:47:09,697 INFO L87 Difference]: Start difference. First operand 441 states and 565 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 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 13:47:10,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:47:10,088 INFO L93 Difference]: Finished difference Result 445 states and 567 transitions. [2024-10-13 13:47:10,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:47:10,088 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 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 38 [2024-10-13 13:47:10,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:47:10,090 INFO L225 Difference]: With dead ends: 445 [2024-10-13 13:47:10,090 INFO L226 Difference]: Without dead ends: 443 [2024-10-13 13:47:10,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:47:10,090 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 178 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:47:10,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 206 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:47:10,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-10-13 13:47:10,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 441. [2024-10-13 13:47:10,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 392 states have (on average 1.385204081632653) internal successors, (543), 428 states have internal predecessors, (543), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 13:47:10,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 563 transitions. [2024-10-13 13:47:10,119 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 563 transitions. Word has length 38 [2024-10-13 13:47:10,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:47:10,119 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 563 transitions. [2024-10-13 13:47:10,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 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 13:47:10,120 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 563 transitions. [2024-10-13 13:47:10,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-13 13:47:10,120 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:47:10,120 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:47:10,136 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-13 13:47:10,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:47:10,321 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:47:10,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:47:10,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1946655383, now seen corresponding path program 1 times [2024-10-13 13:47:10,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:47:10,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45298305] [2024-10-13 13:47:10,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:47:10,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:47:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:47:10,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2001663589] [2024-10-13 13:47:10,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:47:10,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:47:10,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:47:10,339 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:47:10,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-13 13:47:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:47:10,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-13 13:47:10,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:47:11,155 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:47:11,155 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:47:14,503 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:47:14,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:47:14,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45298305] [2024-10-13 13:47:14,504 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:47:14,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001663589] [2024-10-13 13:47:14,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001663589] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-13 13:47:14,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:47:14,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2024-10-13 13:47:14,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720962736] [2024-10-13 13:47:14,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:47:14,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 13:47:14,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:47:14,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 13:47:14,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:47:14,505 INFO L87 Difference]: Start difference. First operand 441 states and 563 transitions. Second operand has 9 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 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 13:47:22,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.64s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:47:23,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:47:23,102 INFO L93 Difference]: Finished difference Result 445 states and 569 transitions. [2024-10-13 13:47:23,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:47:23,102 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 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 38 [2024-10-13 13:47:23,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:47:23,103 INFO L225 Difference]: With dead ends: 445 [2024-10-13 13:47:23,103 INFO L226 Difference]: Without dead ends: 444 [2024-10-13 13:47:23,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-10-13 13:47:23,104 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 19 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:47:23,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 146 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2024-10-13 13:47:23,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-10-13 13:47:23,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 436. [2024-10-13 13:47:23,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 387 states have (on average 1.3901808785529717) internal successors, (538), 423 states have internal predecessors, (538), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 13:47:23,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 558 transitions. [2024-10-13 13:47:23,131 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 558 transitions. Word has length 38 [2024-10-13 13:47:23,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:47:23,132 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 558 transitions. [2024-10-13 13:47:23,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 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 13:47:23,132 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 558 transitions. [2024-10-13 13:47:23,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-13 13:47:23,132 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:47:23,132 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:47:23,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-10-13 13:47:23,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:47:23,333 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:47:23,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:47:23,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1931269615, now seen corresponding path program 1 times [2024-10-13 13:47:23,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:47:23,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845765292] [2024-10-13 13:47:23,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:47:23,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:47:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:47:23,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [929209524] [2024-10-13 13:47:23,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:47:23,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:47:23,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:47:23,344 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:47:23,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-13 13:47:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:47:23,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-13 13:47:23,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:47:23,590 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:47:23,591 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:47:24,473 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:47:24,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:47:24,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845765292] [2024-10-13 13:47:24,473 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:47:24,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929209524] [2024-10-13 13:47:24,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929209524] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:47:24,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:47:24,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-13 13:47:24,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498134447] [2024-10-13 13:47:24,474 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:47:24,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 13:47:24,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:47:24,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 13:47:24,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:47:24,475 INFO L87 Difference]: Start difference. First operand 436 states and 558 transitions. Second operand has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:47:27,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:47:27,825 INFO L93 Difference]: Finished difference Result 576 states and 741 transitions. [2024-10-13 13:47:27,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 13:47:27,826 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 39 [2024-10-13 13:47:27,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:47:27,827 INFO L225 Difference]: With dead ends: 576 [2024-10-13 13:47:27,827 INFO L226 Difference]: Without dead ends: 574 [2024-10-13 13:47:27,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=178, Invalid=374, Unknown=0, NotChecked=0, Total=552 [2024-10-13 13:47:27,828 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 627 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:47:27,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 129 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-10-13 13:47:27,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-10-13 13:47:27,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 488. [2024-10-13 13:47:27,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 438 states have (on average 1.3744292237442923) internal successors, (602), 474 states have internal predecessors, (602), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-13 13:47:27,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 624 transitions. [2024-10-13 13:47:27,864 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 624 transitions. Word has length 39 [2024-10-13 13:47:27,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:47:27,864 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 624 transitions. [2024-10-13 13:47:27,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:47:27,864 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 624 transitions. [2024-10-13 13:47:27,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-13 13:47:27,865 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:47:27,865 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:47:27,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-13 13:47:28,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:47:28,066 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:47:28,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:47:28,066 INFO L85 PathProgramCache]: Analyzing trace with hash 216774792, now seen corresponding path program 1 times [2024-10-13 13:47:28,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:47:28,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829596784] [2024-10-13 13:47:28,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:47:28,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:47:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:47:28,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [845011996] [2024-10-13 13:47:28,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:47:28,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:47:28,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:47:28,079 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:47:28,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-13 13:47:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:47:28,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-13 13:47:28,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:47:28,456 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:47:28,456 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:47:28,748 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:47:28,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:47:28,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829596784] [2024-10-13 13:47:28,748 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:47:28,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845011996] [2024-10-13 13:47:28,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845011996] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-13 13:47:28,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:47:28,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-10-13 13:47:28,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670772241] [2024-10-13 13:47:28,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:47:28,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:47:28,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:47:28,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:47:28,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:47:28,750 INFO L87 Difference]: Start difference. First operand 488 states and 624 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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 13:47:29,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:47:29,756 INFO L93 Difference]: Finished difference Result 500 states and 638 transitions. [2024-10-13 13:47:29,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:47:29,756 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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 39 [2024-10-13 13:47:29,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:47:29,758 INFO L225 Difference]: With dead ends: 500 [2024-10-13 13:47:29,758 INFO L226 Difference]: Without dead ends: 499 [2024-10-13 13:47:29,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:47:29,758 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 118 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 13:47:29,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 98 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 13:47:29,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-10-13 13:47:29,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499. [2024-10-13 13:47:29,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 449 states have (on average 1.3630289532293987) internal successors, (612), 485 states have internal predecessors, (612), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-13 13:47:29,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 634 transitions. [2024-10-13 13:47:29,798 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 634 transitions. Word has length 39 [2024-10-13 13:47:29,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:47:29,799 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 634 transitions. [2024-10-13 13:47:29,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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 13:47:29,799 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 634 transitions. [2024-10-13 13:47:29,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-13 13:47:29,799 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:47:29,799 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:47:29,816 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-13 13:47:30,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-10-13 13:47:30,004 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:47:30,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:47:30,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1482738928, now seen corresponding path program 1 times [2024-10-13 13:47:30,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:47:30,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056535253] [2024-10-13 13:47:30,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:47:30,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:47:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:47:30,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1194840646] [2024-10-13 13:47:30,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:47:30,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:47:30,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:47:30,021 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:47:30,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-13 13:47:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:47:30,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-13 13:47:30,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:47:30,287 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 13:47:30,288 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:47:30,640 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 13:47:30,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:47:30,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056535253] [2024-10-13 13:47:30,641 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:47:30,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194840646] [2024-10-13 13:47:30,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194840646] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:47:30,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:47:30,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-10-13 13:47:30,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500891245] [2024-10-13 13:47:30,641 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:47:30,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 13:47:30,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:47:30,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 13:47:30,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:47:30,642 INFO L87 Difference]: Start difference. First operand 499 states and 634 transitions. Second operand has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 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 13:47:36,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:47:36,550 INFO L93 Difference]: Finished difference Result 548 states and 700 transitions. [2024-10-13 13:47:36,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 13:47:36,550 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 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) Word has length 41 [2024-10-13 13:47:36,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:47:36,552 INFO L225 Difference]: With dead ends: 548 [2024-10-13 13:47:36,552 INFO L226 Difference]: Without dead ends: 538 [2024-10-13 13:47:36,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=230, Invalid=472, Unknown=0, NotChecked=0, Total=702 [2024-10-13 13:47:36,552 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 556 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:47:36,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 180 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-10-13 13:47:36,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-10-13 13:47:36,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 519. [2024-10-13 13:47:36,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 468 states have (on average 1.3525641025641026) internal successors, (633), 504 states have internal predecessors, (633), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 13:47:36,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 657 transitions. [2024-10-13 13:47:36,591 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 657 transitions. Word has length 41 [2024-10-13 13:47:36,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:47:36,591 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 657 transitions. [2024-10-13 13:47:36,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 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 13:47:36,592 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 657 transitions. [2024-10-13 13:47:36,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-13 13:47:36,592 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:47:36,592 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:47:36,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-13 13:47:36,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-10-13 13:47:36,793 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-13 13:47:36,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:47:36,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1017030638, now seen corresponding path program 1 times [2024-10-13 13:47:36,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:47:36,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507797314] [2024-10-13 13:47:36,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:47:36,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:47:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:47:36,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [756827052] [2024-10-13 13:47:36,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:47:36,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:47:36,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:47:36,805 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:47:36,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-13 13:47:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:47:36,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-13 13:47:36,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:47:37,143 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 13:47:37,143 INFO L311 TraceCheckSpWp]: Computing backward predicates...