./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/lcm1_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 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/lcm1_unwindbound100.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce152ab821d49eb9acb39ce161d7ea2c6b8a3d3fa002051e62cb16783ef9575a --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 20:56:03,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 20:56:03,769 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 20:56:03,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 20:56:03,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 20:56:03,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 20:56:03,798 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 20:56:03,798 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 20:56:03,799 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 20:56:03,800 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 20:56:03,801 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 20:56:03,801 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 20:56:03,801 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 20:56:03,803 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 20:56:03,803 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 20:56:03,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 20:56:03,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 20:56:03,804 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 20:56:03,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 20:56:03,804 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 20:56:03,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 20:56:03,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 20:56:03,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 20:56:03,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 20:56:03,807 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 20:56:03,807 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 20:56:03,807 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 20:56:03,807 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 20:56:03,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 20:56:03,808 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 20:56:03,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 20:56:03,808 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 20:56:03,808 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 20:56:03,808 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 20:56:03,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:56:03,809 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 20:56:03,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 20:56:03,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 20:56:03,809 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 20:56:03,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 20:56:03,809 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 20:56:03,810 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 20:56:03,810 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 20:56:03,810 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 20:56:03,810 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce152ab821d49eb9acb39ce161d7ea2c6b8a3d3fa002051e62cb16783ef9575a [2024-10-14 20:56:04,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 20:56:04,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 20:56:04,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 20:56:04,041 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 20:56:04,041 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 20:56:04,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c [2024-10-14 20:56:05,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 20:56:05,374 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 20:56:05,375 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c [2024-10-14 20:56:05,383 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f76993eb8/335de4cfca07452cb69a94b15a44f824/FLAG849e7525e [2024-10-14 20:56:05,792 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f76993eb8/335de4cfca07452cb69a94b15a44f824 [2024-10-14 20:56:05,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 20:56:05,795 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 20:56:05,796 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 20:56:05,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 20:56:05,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 20:56:05,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:56:05" (1/1) ... [2024-10-14 20:56:05,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@410d85b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:05, skipping insertion in model container [2024-10-14 20:56:05,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:56:05" (1/1) ... [2024-10-14 20:56:05,820 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 20:56:05,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:56:05,971 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 20:56:05,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:56:06,005 INFO L204 MainTranslator]: Completed translation [2024-10-14 20:56:06,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:06 WrapperNode [2024-10-14 20:56:06,005 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 20:56:06,006 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 20:56:06,006 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 20:56:06,006 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 20:56:06,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:06" (1/1) ... [2024-10-14 20:56:06,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:06" (1/1) ... [2024-10-14 20:56:06,033 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2024-10-14 20:56:06,033 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 20:56:06,034 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 20:56:06,034 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 20:56:06,034 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 20:56:06,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:06" (1/1) ... [2024-10-14 20:56:06,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:06" (1/1) ... [2024-10-14 20:56:06,043 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:06" (1/1) ... [2024-10-14 20:56:06,052 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-10-14 20:56:06,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:06" (1/1) ... [2024-10-14 20:56:06,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:06" (1/1) ... [2024-10-14 20:56:06,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:06" (1/1) ... [2024-10-14 20:56:06,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:06" (1/1) ... [2024-10-14 20:56:06,064 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:06" (1/1) ... [2024-10-14 20:56:06,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:06" (1/1) ... [2024-10-14 20:56:06,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 20:56:06,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 20:56:06,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 20:56:06,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 20:56:06,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:06" (1/1) ... [2024-10-14 20:56:06,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:56:06,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:56:06,095 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) [2024-10-14 20:56:06,097 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 [2024-10-14 20:56:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 20:56:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 20:56:06,173 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 20:56:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 20:56:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 20:56:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 20:56:06,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 20:56:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-14 20:56:06,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-14 20:56:06,221 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 20:56:06,223 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 20:56:06,396 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-10-14 20:56:06,396 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 20:56:06,421 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 20:56:06,421 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-14 20:56:06,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:56:06 BoogieIcfgContainer [2024-10-14 20:56:06,422 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 20:56:06,425 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 20:56:06,425 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 20:56:06,428 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 20:56:06,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:56:05" (1/3) ... [2024-10-14 20:56:06,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e345b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:56:06, skipping insertion in model container [2024-10-14 20:56:06,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:06" (2/3) ... [2024-10-14 20:56:06,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e345b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:56:06, skipping insertion in model container [2024-10-14 20:56:06,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:56:06" (3/3) ... [2024-10-14 20:56:06,431 INFO L112 eAbstractionObserver]: Analyzing ICFG lcm1_unwindbound100.c [2024-10-14 20:56:06,443 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 20:56:06,443 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-14 20:56:06,483 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 20:56:06,489 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;@39f481c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 20:56:06,489 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-14 20:56:06,492 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 30 states have internal predecessors, (41), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 20:56:06,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-14 20:56:06,497 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:06,497 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:56:06,498 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:06,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:06,501 INFO L85 PathProgramCache]: Analyzing trace with hash 529971304, now seen corresponding path program 1 times [2024-10-14 20:56:06,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:06,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694505921] [2024-10-14 20:56:06,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:06,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:06,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:06,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:06,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:06,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:06,633 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:56:06,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:06,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694505921] [2024-10-14 20:56:06,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694505921] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:56:06,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:56:06,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:56:06,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353331292] [2024-10-14 20:56:06,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:56:06,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 20:56:06,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:06,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 20:56:06,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 20:56:06,659 INFO L87 Difference]: Start difference. First operand has 42 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 30 states have internal predecessors, (41), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 20:56:06,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:06,684 INFO L93 Difference]: Finished difference Result 82 states and 124 transitions. [2024-10-14 20:56:06,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 20:56:06,686 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 24 [2024-10-14 20:56:06,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:06,691 INFO L225 Difference]: With dead ends: 82 [2024-10-14 20:56:06,691 INFO L226 Difference]: Without dead ends: 38 [2024-10-14 20:56:06,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 20:56:06,697 INFO L432 NwaCegarLoop]: 52 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, 52 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 [2024-10-14 20:56:06,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 52 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:56:06,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-10-14 20:56:06,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-10-14 20:56:06,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 23 states have (on average 1.434782608695652) internal successors, (33), 28 states have internal predecessors, (33), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 20:56:06,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2024-10-14 20:56:06,724 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 47 transitions. Word has length 24 [2024-10-14 20:56:06,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:06,724 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 47 transitions. [2024-10-14 20:56:06,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 20:56:06,724 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2024-10-14 20:56:06,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-14 20:56:06,725 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:06,725 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:56:06,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 20:56:06,726 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:06,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:06,726 INFO L85 PathProgramCache]: Analyzing trace with hash 689927656, now seen corresponding path program 1 times [2024-10-14 20:56:06,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:06,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868428532] [2024-10-14 20:56:06,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:06,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:06,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:06,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:06,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:06,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:06,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:06,889 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:56:06,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:06,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868428532] [2024-10-14 20:56:06,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868428532] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:56:06,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:56:06,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:56:06,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622023302] [2024-10-14 20:56:06,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:56:06,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:56:06,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:06,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:56:06,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:56:06,896 INFO L87 Difference]: Start difference. First operand 38 states and 47 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:56:06,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:06,946 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2024-10-14 20:56:06,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:56:06,947 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 24 [2024-10-14 20:56:06,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:06,948 INFO L225 Difference]: With dead ends: 44 [2024-10-14 20:56:06,949 INFO L226 Difference]: Without dead ends: 42 [2024-10-14 20:56:06,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:56:06,951 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 11 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:06,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 109 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:56:06,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-10-14 20:56:06,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2024-10-14 20:56:06,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 31 states have internal predecessors, (36), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 20:56:06,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2024-10-14 20:56:06,962 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 24 [2024-10-14 20:56:06,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:06,963 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2024-10-14 20:56:06,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:56:06,963 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2024-10-14 20:56:06,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-14 20:56:06,964 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:06,964 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:56:06,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 20:56:06,964 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:06,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:06,965 INFO L85 PathProgramCache]: Analyzing trace with hash -254797239, now seen corresponding path program 1 times [2024-10-14 20:56:06,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:06,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13141369] [2024-10-14 20:56:06,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:06,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:56:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,146 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:56:07,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:07,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13141369] [2024-10-14 20:56:07,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13141369] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:56:07,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:56:07,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 20:56:07,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252370691] [2024-10-14 20:56:07,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:56:07,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:56:07,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:07,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:56:07,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:56:07,151 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:56:07,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:07,297 INFO L93 Difference]: Finished difference Result 61 states and 73 transitions. [2024-10-14 20:56:07,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:56:07,297 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 34 [2024-10-14 20:56:07,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:07,299 INFO L225 Difference]: With dead ends: 61 [2024-10-14 20:56:07,299 INFO L226 Difference]: Without dead ends: 60 [2024-10-14 20:56:07,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:56:07,300 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 28 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:07,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 172 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:56:07,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-10-14 20:56:07,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 54. [2024-10-14 20:56:07,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 41 states have internal predecessors, (49), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 20:56:07,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2024-10-14 20:56:07,315 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 34 [2024-10-14 20:56:07,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:07,315 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2024-10-14 20:56:07,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:56:07,316 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2024-10-14 20:56:07,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-14 20:56:07,316 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:07,317 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:56:07,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 20:56:07,317 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:07,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:07,318 INFO L85 PathProgramCache]: Analyzing trace with hash 691220249, now seen corresponding path program 1 times [2024-10-14 20:56:07,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:07,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846208986] [2024-10-14 20:56:07,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:07,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:56:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,447 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:56:07,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:07,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846208986] [2024-10-14 20:56:07,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846208986] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:56:07,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:56:07,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 20:56:07,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019804303] [2024-10-14 20:56:07,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:56:07,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:56:07,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:07,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:56:07,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:56:07,449 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:56:07,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:07,540 INFO L93 Difference]: Finished difference Result 90 states and 110 transitions. [2024-10-14 20:56:07,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 20:56:07,540 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 35 [2024-10-14 20:56:07,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:07,543 INFO L225 Difference]: With dead ends: 90 [2024-10-14 20:56:07,543 INFO L226 Difference]: Without dead ends: 62 [2024-10-14 20:56:07,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:56:07,545 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 17 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:07,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 183 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:56:07,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-10-14 20:56:07,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-10-14 20:56:07,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 43 states have (on average 1.302325581395349) internal successors, (56), 48 states have internal predecessors, (56), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 20:56:07,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 74 transitions. [2024-10-14 20:56:07,556 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 74 transitions. Word has length 35 [2024-10-14 20:56:07,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:07,556 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 74 transitions. [2024-10-14 20:56:07,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:56:07,557 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 74 transitions. [2024-10-14 20:56:07,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-14 20:56:07,559 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:07,559 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:56:07,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 20:56:07,559 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:07,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:07,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1149535416, now seen corresponding path program 1 times [2024-10-14 20:56:07,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:07,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384723604] [2024-10-14 20:56:07,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:07,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:56:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:56:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,706 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 20:56:07,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:07,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384723604] [2024-10-14 20:56:07,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384723604] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:56:07,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:56:07,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 20:56:07,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532614364] [2024-10-14 20:56:07,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:56:07,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:56:07,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:07,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:56:07,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:56:07,711 INFO L87 Difference]: Start difference. First operand 62 states and 74 transitions. Second operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 20:56:07,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:07,876 INFO L93 Difference]: Finished difference Result 80 states and 93 transitions. [2024-10-14 20:56:07,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 20:56:07,876 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 44 [2024-10-14 20:56:07,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:07,877 INFO L225 Difference]: With dead ends: 80 [2024-10-14 20:56:07,877 INFO L226 Difference]: Without dead ends: 79 [2024-10-14 20:56:07,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:56:07,878 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 54 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:07,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 202 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:56:07,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-14 20:56:07,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 72. [2024-10-14 20:56:07,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 56 states have internal predecessors, (67), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-14 20:56:07,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 87 transitions. [2024-10-14 20:56:07,892 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 87 transitions. Word has length 44 [2024-10-14 20:56:07,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:07,892 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 87 transitions. [2024-10-14 20:56:07,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 20:56:07,892 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2024-10-14 20:56:07,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-14 20:56:07,893 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:07,893 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:56:07,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 20:56:07,893 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:07,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:07,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1275859616, now seen corresponding path program 1 times [2024-10-14 20:56:07,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:07,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760796469] [2024-10-14 20:56:07,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:07,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:56:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:07,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:56:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:08,002 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 20:56:08,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:08,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760796469] [2024-10-14 20:56:08,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760796469] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:56:08,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:56:08,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 20:56:08,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468989873] [2024-10-14 20:56:08,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:56:08,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:56:08,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:08,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:56:08,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:56:08,004 INFO L87 Difference]: Start difference. First operand 72 states and 87 transitions. Second operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 20:56:08,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:08,079 INFO L93 Difference]: Finished difference Result 114 states and 138 transitions. [2024-10-14 20:56:08,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 20:56:08,079 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 45 [2024-10-14 20:56:08,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:08,080 INFO L225 Difference]: With dead ends: 114 [2024-10-14 20:56:08,080 INFO L226 Difference]: Without dead ends: 86 [2024-10-14 20:56:08,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:56:08,081 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 38 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:08,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 169 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:56:08,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-10-14 20:56:08,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 82. [2024-10-14 20:56:08,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 59 states have (on average 1.2881355932203389) internal successors, (76), 64 states have internal predecessors, (76), 11 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-14 20:56:08,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 98 transitions. [2024-10-14 20:56:08,095 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 98 transitions. Word has length 45 [2024-10-14 20:56:08,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:08,095 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 98 transitions. [2024-10-14 20:56:08,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 20:56:08,096 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2024-10-14 20:56:08,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-14 20:56:08,097 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:08,097 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:56:08,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 20:56:08,097 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:08,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:08,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1275897352, now seen corresponding path program 1 times [2024-10-14 20:56:08,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:08,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49735241] [2024-10-14 20:56:08,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:08,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:08,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:08,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:08,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:08,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:08,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:56:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:08,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:56:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:08,253 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 20:56:08,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:08,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49735241] [2024-10-14 20:56:08,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49735241] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:56:08,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867301546] [2024-10-14 20:56:08,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:08,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:08,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:56:08,255 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) [2024-10-14 20:56:08,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 20:56:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:08,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:56:08,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:56:08,409 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:56:08,409 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:56:08,523 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 20:56:08,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867301546] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:56:08,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:56:08,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 18 [2024-10-14 20:56:08,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764019781] [2024-10-14 20:56:08,524 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:56:08,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-14 20:56:08,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:08,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-14 20:56:08,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2024-10-14 20:56:08,525 INFO L87 Difference]: Start difference. First operand 82 states and 98 transitions. Second operand has 19 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 19 states have internal predecessors, (53), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-10-14 20:56:08,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:08,836 INFO L93 Difference]: Finished difference Result 232 states and 282 transitions. [2024-10-14 20:56:08,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-14 20:56:08,837 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 19 states have internal predecessors, (53), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 45 [2024-10-14 20:56:08,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:08,838 INFO L225 Difference]: With dead ends: 232 [2024-10-14 20:56:08,840 INFO L226 Difference]: Without dead ends: 194 [2024-10-14 20:56:08,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=263, Invalid=667, Unknown=0, NotChecked=0, Total=930 [2024-10-14 20:56:08,841 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 157 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:08,843 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 363 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:56:08,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-10-14 20:56:08,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 162. [2024-10-14 20:56:08,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 124 states have (on average 1.2741935483870968) internal successors, (158), 129 states have internal predecessors, (158), 18 states have call successors, (18), 14 states have call predecessors, (18), 14 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-14 20:56:08,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 194 transitions. [2024-10-14 20:56:08,858 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 194 transitions. Word has length 45 [2024-10-14 20:56:08,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:08,859 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 194 transitions. [2024-10-14 20:56:08,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 19 states have internal predecessors, (53), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-10-14 20:56:08,859 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 194 transitions. [2024-10-14 20:56:08,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-14 20:56:08,860 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:08,860 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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] [2024-10-14 20:56:08,873 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 20:56:09,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:09,065 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:09,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:09,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1415234297, now seen corresponding path program 1 times [2024-10-14 20:56:09,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:09,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283799362] [2024-10-14 20:56:09,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:09,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:09,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:09,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:09,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:09,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:09,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:56:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:09,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:56:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:09,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 20:56:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:09,142 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:56:09,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:09,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283799362] [2024-10-14 20:56:09,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283799362] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:56:09,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:56:09,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:56:09,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093828916] [2024-10-14 20:56:09,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:56:09,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:56:09,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:09,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:56:09,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:56:09,144 INFO L87 Difference]: Start difference. First operand 162 states and 194 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-14 20:56:09,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:09,195 INFO L93 Difference]: Finished difference Result 269 states and 328 transitions. [2024-10-14 20:56:09,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:56:09,196 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 54 [2024-10-14 20:56:09,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:09,199 INFO L225 Difference]: With dead ends: 269 [2024-10-14 20:56:09,199 INFO L226 Difference]: Without dead ends: 204 [2024-10-14 20:56:09,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:56:09,200 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 32 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:09,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 168 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:56:09,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-10-14 20:56:09,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 182. [2024-10-14 20:56:09,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 140 states have (on average 1.292857142857143) internal successors, (181), 145 states have internal predecessors, (181), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 20:56:09,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 225 transitions. [2024-10-14 20:56:09,225 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 225 transitions. Word has length 54 [2024-10-14 20:56:09,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:09,231 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 225 transitions. [2024-10-14 20:56:09,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-14 20:56:09,231 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 225 transitions. [2024-10-14 20:56:09,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-14 20:56:09,232 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:09,232 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:56:09,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 20:56:09,233 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:09,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:09,233 INFO L85 PathProgramCache]: Analyzing trace with hash 922691581, now seen corresponding path program 1 times [2024-10-14 20:56:09,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:09,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271007062] [2024-10-14 20:56:09,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:09,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:09,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:09,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:09,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:09,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:09,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:56:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:09,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:56:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:09,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 20:56:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:09,397 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:56:09,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:09,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271007062] [2024-10-14 20:56:09,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271007062] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:56:09,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718808515] [2024-10-14 20:56:09,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:09,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:09,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:56:09,403 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) [2024-10-14 20:56:09,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 20:56:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:09,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:56:09,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:56:09,550 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:56:09,550 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:56:09,682 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:56:09,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718808515] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:56:09,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:56:09,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2024-10-14 20:56:09,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505300541] [2024-10-14 20:56:09,683 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:56:09,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-14 20:56:09,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:09,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-14 20:56:09,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2024-10-14 20:56:09,684 INFO L87 Difference]: Start difference. First operand 182 states and 225 transitions. Second operand has 25 states, 24 states have (on average 2.9583333333333335) internal successors, (71), 25 states have internal predecessors, (71), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2024-10-14 20:56:10,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:10,265 INFO L93 Difference]: Finished difference Result 378 states and 472 transitions. [2024-10-14 20:56:10,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-14 20:56:10,266 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 2.9583333333333335) internal successors, (71), 25 states have internal predecessors, (71), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) Word has length 55 [2024-10-14 20:56:10,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:10,267 INFO L225 Difference]: With dead ends: 378 [2024-10-14 20:56:10,267 INFO L226 Difference]: Without dead ends: 295 [2024-10-14 20:56:10,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=507, Invalid=1943, Unknown=0, NotChecked=0, Total=2450 [2024-10-14 20:56:10,269 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 201 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:10,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 359 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:56:10,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-10-14 20:56:10,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 262. [2024-10-14 20:56:10,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 205 states have (on average 1.278048780487805) internal successors, (262), 210 states have internal predecessors, (262), 29 states have call successors, (29), 22 states have call predecessors, (29), 22 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-10-14 20:56:10,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 320 transitions. [2024-10-14 20:56:10,283 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 320 transitions. Word has length 55 [2024-10-14 20:56:10,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:10,283 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 320 transitions. [2024-10-14 20:56:10,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 2.9583333333333335) internal successors, (71), 25 states have internal predecessors, (71), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2024-10-14 20:56:10,283 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 320 transitions. [2024-10-14 20:56:10,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-14 20:56:10,284 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:10,284 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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] [2024-10-14 20:56:10,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-14 20:56:10,488 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,SelfDestructingSolverStorable8 [2024-10-14 20:56:10,489 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:10,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:10,490 INFO L85 PathProgramCache]: Analyzing trace with hash -810399314, now seen corresponding path program 1 times [2024-10-14 20:56:10,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:10,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690755144] [2024-10-14 20:56:10,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:10,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:10,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:10,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:10,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:10,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:10,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:56:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:10,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:56:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:10,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 20:56:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:10,597 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:56:10,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:10,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690755144] [2024-10-14 20:56:10,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690755144] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:56:10,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100959516] [2024-10-14 20:56:10,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:10,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:10,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:56:10,599 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) [2024-10-14 20:56:10,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 20:56:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:10,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:56:10,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:56:10,714 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:56:10,715 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:56:10,836 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:56:10,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100959516] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:56:10,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:56:10,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 21 [2024-10-14 20:56:10,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659886719] [2024-10-14 20:56:10,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:56:10,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-14 20:56:10,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:10,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-14 20:56:10,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2024-10-14 20:56:10,838 INFO L87 Difference]: Start difference. First operand 262 states and 320 transitions. Second operand has 21 states, 21 states have (on average 3.238095238095238) internal successors, (68), 21 states have internal predecessors, (68), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2024-10-14 20:56:11,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:11,215 INFO L93 Difference]: Finished difference Result 470 states and 580 transitions. [2024-10-14 20:56:11,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-14 20:56:11,215 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.238095238095238) internal successors, (68), 21 states have internal predecessors, (68), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) Word has length 58 [2024-10-14 20:56:11,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:11,217 INFO L225 Difference]: With dead ends: 470 [2024-10-14 20:56:11,217 INFO L226 Difference]: Without dead ends: 331 [2024-10-14 20:56:11,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=299, Invalid=1183, Unknown=0, NotChecked=0, Total=1482 [2024-10-14 20:56:11,218 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 125 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:11,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 397 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:56:11,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-10-14 20:56:11,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 322. [2024-10-14 20:56:11,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 257 states have (on average 1.245136186770428) internal successors, (320), 262 states have internal predecessors, (320), 33 states have call successors, (33), 26 states have call predecessors, (33), 26 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-14 20:56:11,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 386 transitions. [2024-10-14 20:56:11,230 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 386 transitions. Word has length 58 [2024-10-14 20:56:11,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:11,231 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 386 transitions. [2024-10-14 20:56:11,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.238095238095238) internal successors, (68), 21 states have internal predecessors, (68), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2024-10-14 20:56:11,231 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 386 transitions. [2024-10-14 20:56:11,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-14 20:56:11,232 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:11,232 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:56:11,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 20:56:11,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:11,436 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:11,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:11,436 INFO L85 PathProgramCache]: Analyzing trace with hash -809671108, now seen corresponding path program 1 times [2024-10-14 20:56:11,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:11,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040857421] [2024-10-14 20:56:11,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:11,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:11,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:11,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:11,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:11,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:11,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:56:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:11,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:56:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:11,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 20:56:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:11,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:56:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:11,567 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:56:11,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:11,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040857421] [2024-10-14 20:56:11,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040857421] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:56:11,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112515662] [2024-10-14 20:56:11,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:11,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:11,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:56:11,570 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) [2024-10-14 20:56:11,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 20:56:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:11,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 20:56:11,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:56:11,754 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:56:11,755 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:56:11,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112515662] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:56:11,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:56:11,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 21 [2024-10-14 20:56:11,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925210511] [2024-10-14 20:56:11,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:56:11,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 20:56:11,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:11,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 20:56:11,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2024-10-14 20:56:11,771 INFO L87 Difference]: Start difference. First operand 322 states and 386 transitions. Second operand has 11 states, 10 states have (on average 3.9) internal successors, (39), 11 states have internal predecessors, (39), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-10-14 20:56:11,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:11,992 INFO L93 Difference]: Finished difference Result 390 states and 468 transitions. [2024-10-14 20:56:11,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 20:56:11,993 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.9) internal successors, (39), 11 states have internal predecessors, (39), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 64 [2024-10-14 20:56:11,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:11,994 INFO L225 Difference]: With dead ends: 390 [2024-10-14 20:56:11,994 INFO L226 Difference]: Without dead ends: 387 [2024-10-14 20:56:11,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=824, Unknown=0, NotChecked=0, Total=992 [2024-10-14 20:56:11,996 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 82 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:11,996 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 159 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:56:11,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-10-14 20:56:12,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 292. [2024-10-14 20:56:12,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 233 states have (on average 1.1630901287553648) internal successors, (271), 236 states have internal predecessors, (271), 31 states have call successors, (31), 25 states have call predecessors, (31), 25 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-14 20:56:12,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 333 transitions. [2024-10-14 20:56:12,012 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 333 transitions. Word has length 64 [2024-10-14 20:56:12,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:12,012 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 333 transitions. [2024-10-14 20:56:12,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.9) internal successors, (39), 11 states have internal predecessors, (39), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-10-14 20:56:12,012 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 333 transitions. [2024-10-14 20:56:12,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-14 20:56:12,013 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:12,013 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:56:12,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 20:56:12,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:12,214 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:12,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:12,214 INFO L85 PathProgramCache]: Analyzing trace with hash 669999474, now seen corresponding path program 1 times [2024-10-14 20:56:12,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:12,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370277564] [2024-10-14 20:56:12,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:12,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:12,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:12,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:12,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:12,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:12,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:56:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:12,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:56:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:12,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 20:56:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:12,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:56:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:12,346 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:56:12,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:12,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370277564] [2024-10-14 20:56:12,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370277564] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:56:12,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877475232] [2024-10-14 20:56:12,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:12,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:12,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:56:12,348 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) [2024-10-14 20:56:12,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 20:56:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:12,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 20:56:12,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:56:12,509 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:56:12,509 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:56:12,676 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:56:12,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877475232] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:56:12,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:56:12,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 30 [2024-10-14 20:56:12,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396682958] [2024-10-14 20:56:12,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:56:12,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-10-14 20:56:12,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:12,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-10-14 20:56:12,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=740, Unknown=0, NotChecked=0, Total=930 [2024-10-14 20:56:12,678 INFO L87 Difference]: Start difference. First operand 292 states and 333 transitions. Second operand has 31 states, 30 states have (on average 2.966666666666667) internal successors, (89), 31 states have internal predecessors, (89), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) [2024-10-14 20:56:13,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:13,363 INFO L93 Difference]: Finished difference Result 331 states and 380 transitions. [2024-10-14 20:56:13,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-14 20:56:13,364 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 2.966666666666667) internal successors, (89), 31 states have internal predecessors, (89), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) Word has length 65 [2024-10-14 20:56:13,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:13,366 INFO L225 Difference]: With dead ends: 331 [2024-10-14 20:56:13,366 INFO L226 Difference]: Without dead ends: 330 [2024-10-14 20:56:13,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 733 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=715, Invalid=2945, Unknown=0, NotChecked=0, Total=3660 [2024-10-14 20:56:13,369 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 204 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:13,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 329 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:56:13,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-10-14 20:56:13,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 305. [2024-10-14 20:56:13,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 244 states have (on average 1.1598360655737705) internal successors, (283), 247 states have internal predecessors, (283), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-14 20:56:13,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 347 transitions. [2024-10-14 20:56:13,388 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 347 transitions. Word has length 65 [2024-10-14 20:56:13,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:13,389 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 347 transitions. [2024-10-14 20:56:13,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 2.966666666666667) internal successors, (89), 31 states have internal predecessors, (89), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) [2024-10-14 20:56:13,389 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 347 transitions. [2024-10-14 20:56:13,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-14 20:56:13,391 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:13,391 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:56:13,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 20:56:13,591 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,SelfDestructingSolverStorable11 [2024-10-14 20:56:13,592 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:13,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:13,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1905034118, now seen corresponding path program 1 times [2024-10-14 20:56:13,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:13,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932741934] [2024-10-14 20:56:13,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:13,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:13,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:13,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:13,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:13,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:13,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:56:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:13,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:56:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:13,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 20:56:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:13,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:56:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:13,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:56:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:13,771 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-14 20:56:13,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:13,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932741934] [2024-10-14 20:56:13,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932741934] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:56:13,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494807058] [2024-10-14 20:56:13,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:13,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:13,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:56:13,773 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) [2024-10-14 20:56:13,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 20:56:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:13,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-14 20:56:13,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:56:13,906 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:56:13,906 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:56:14,090 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-14 20:56:14,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494807058] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:56:14,090 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:56:14,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 29 [2024-10-14 20:56:14,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569702676] [2024-10-14 20:56:14,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:56:14,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-14 20:56:14,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:14,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-14 20:56:14,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2024-10-14 20:56:14,092 INFO L87 Difference]: Start difference. First operand 305 states and 347 transitions. Second operand has 29 states, 29 states have (on average 3.2758620689655173) internal successors, (95), 29 states have internal predecessors, (95), 13 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 13 states have call predecessors, (27), 13 states have call successors, (27) [2024-10-14 20:56:14,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:14,498 INFO L93 Difference]: Finished difference Result 541 states and 627 transitions. [2024-10-14 20:56:14,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-14 20:56:14,499 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.2758620689655173) internal successors, (95), 29 states have internal predecessors, (95), 13 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 13 states have call predecessors, (27), 13 states have call successors, (27) Word has length 79 [2024-10-14 20:56:14,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:14,501 INFO L225 Difference]: With dead ends: 541 [2024-10-14 20:56:14,501 INFO L226 Difference]: Without dead ends: 382 [2024-10-14 20:56:14,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=643, Invalid=1709, Unknown=0, NotChecked=0, Total=2352 [2024-10-14 20:56:14,502 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 155 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:14,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 354 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:56:14,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-10-14 20:56:14,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 359. [2024-10-14 20:56:14,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 288 states have (on average 1.1527777777777777) internal successors, (332), 291 states have internal predecessors, (332), 37 states have call successors, (37), 31 states have call predecessors, (37), 31 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-14 20:56:14,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 406 transitions. [2024-10-14 20:56:14,517 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 406 transitions. Word has length 79 [2024-10-14 20:56:14,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:14,517 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 406 transitions. [2024-10-14 20:56:14,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.2758620689655173) internal successors, (95), 29 states have internal predecessors, (95), 13 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 13 states have call predecessors, (27), 13 states have call successors, (27) [2024-10-14 20:56:14,517 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 406 transitions. [2024-10-14 20:56:14,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-14 20:56:14,518 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:14,518 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:56:14,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-14 20:56:14,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:14,723 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:14,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:14,723 INFO L85 PathProgramCache]: Analyzing trace with hash 232682424, now seen corresponding path program 1 times [2024-10-14 20:56:14,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:14,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209569623] [2024-10-14 20:56:14,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:14,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:14,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:14,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:14,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:14,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:14,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:56:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:14,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:56:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:14,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 20:56:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:14,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:56:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:14,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:56:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:14,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 20:56:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:14,919 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:56:14,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:14,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209569623] [2024-10-14 20:56:14,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209569623] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:56:14,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251594585] [2024-10-14 20:56:14,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:14,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:14,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:56:14,921 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) [2024-10-14 20:56:14,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 20:56:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:14,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-14 20:56:14,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:56:15,167 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:56:15,167 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:56:15,420 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:56:15,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251594585] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:56:15,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:56:15,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 42 [2024-10-14 20:56:15,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627740921] [2024-10-14 20:56:15,421 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:56:15,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-10-14 20:56:15,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:15,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-10-14 20:56:15,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=1444, Unknown=0, NotChecked=0, Total=1806 [2024-10-14 20:56:15,423 INFO L87 Difference]: Start difference. First operand 359 states and 406 transitions. Second operand has 43 states, 42 states have (on average 2.9761904761904763) internal successors, (125), 43 states have internal predecessors, (125), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-10-14 20:56:16,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:16,469 INFO L93 Difference]: Finished difference Result 775 states and 905 transitions. [2024-10-14 20:56:16,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-10-14 20:56:16,470 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 2.9761904761904763) internal successors, (125), 43 states have internal predecessors, (125), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) Word has length 85 [2024-10-14 20:56:16,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:16,473 INFO L225 Difference]: With dead ends: 775 [2024-10-14 20:56:16,473 INFO L226 Difference]: Without dead ends: 616 [2024-10-14 20:56:16,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2133 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1770, Invalid=7350, Unknown=0, NotChecked=0, Total=9120 [2024-10-14 20:56:16,476 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 494 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:16,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 356 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:56:16,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-10-14 20:56:16,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 555. [2024-10-14 20:56:16,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 444 states have (on average 1.1756756756756757) internal successors, (522), 447 states have internal predecessors, (522), 57 states have call successors, (57), 51 states have call predecessors, (57), 51 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-10-14 20:56:16,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 636 transitions. [2024-10-14 20:56:16,504 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 636 transitions. Word has length 85 [2024-10-14 20:56:16,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:16,504 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 636 transitions. [2024-10-14 20:56:16,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 2.9761904761904763) internal successors, (125), 43 states have internal predecessors, (125), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-10-14 20:56:16,505 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 636 transitions. [2024-10-14 20:56:16,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-14 20:56:16,506 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:16,506 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2024-10-14 20:56:16,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-14 20:56:16,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:16,707 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:16,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:16,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1657090974, now seen corresponding path program 1 times [2024-10-14 20:56:16,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:16,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338858660] [2024-10-14 20:56:16,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:16,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:16,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:16,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:16,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:16,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:16,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:56:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:16,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:56:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:16,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 20:56:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:16,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:56:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:16,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:56:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:16,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 20:56:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:16,930 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:56:16,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:16,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338858660] [2024-10-14 20:56:16,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338858660] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:56:16,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908204714] [2024-10-14 20:56:16,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:16,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:16,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:56:16,932 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) [2024-10-14 20:56:16,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 20:56:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:16,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-14 20:56:16,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:56:17,162 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 3 proven. 96 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:56:17,163 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:56:17,408 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:56:17,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908204714] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:56:17,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:56:17,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 42 [2024-10-14 20:56:17,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543063566] [2024-10-14 20:56:17,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:56:17,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-10-14 20:56:17,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:17,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-10-14 20:56:17,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=1438, Unknown=0, NotChecked=0, Total=1806 [2024-10-14 20:56:17,410 INFO L87 Difference]: Start difference. First operand 555 states and 636 transitions. Second operand has 43 states, 42 states have (on average 2.9761904761904763) internal successors, (125), 43 states have internal predecessors, (125), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-10-14 20:56:18,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:18,413 INFO L93 Difference]: Finished difference Result 715 states and 821 transitions. [2024-10-14 20:56:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-10-14 20:56:18,413 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 2.9761904761904763) internal successors, (125), 43 states have internal predecessors, (125), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) Word has length 85 [2024-10-14 20:56:18,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:18,416 INFO L225 Difference]: With dead ends: 715 [2024-10-14 20:56:18,416 INFO L226 Difference]: Without dead ends: 712 [2024-10-14 20:56:18,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1845 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1656, Invalid=6716, Unknown=0, NotChecked=0, Total=8372 [2024-10-14 20:56:18,418 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 314 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:18,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 482 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:56:18,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-10-14 20:56:18,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 607. [2024-10-14 20:56:18,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 484 states have (on average 1.1818181818181819) internal successors, (572), 487 states have internal predecessors, (572), 63 states have call successors, (63), 57 states have call predecessors, (63), 57 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-10-14 20:56:18,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 698 transitions. [2024-10-14 20:56:18,449 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 698 transitions. Word has length 85 [2024-10-14 20:56:18,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:18,449 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 698 transitions. [2024-10-14 20:56:18,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 2.9761904761904763) internal successors, (125), 43 states have internal predecessors, (125), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-10-14 20:56:18,450 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 698 transitions. [2024-10-14 20:56:18,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 20:56:18,452 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:18,452 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2024-10-14 20:56:18,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-14 20:56:18,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-14 20:56:18,653 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:18,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:18,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1461261516, now seen corresponding path program 1 times [2024-10-14 20:56:18,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:18,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41926795] [2024-10-14 20:56:18,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:18,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:18,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:18,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:18,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:18,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:18,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:56:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:18,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:56:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:18,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 20:56:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:18,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:56:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:18,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:56:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:18,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 20:56:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:18,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:56:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:18,921 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 58 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-10-14 20:56:18,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:18,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41926795] [2024-10-14 20:56:18,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41926795] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:56:18,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984375336] [2024-10-14 20:56:18,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:18,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:18,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:56:18,924 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) [2024-10-14 20:56:18,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 20:56:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:18,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-14 20:56:18,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:56:19,080 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 142 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:56:19,081 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:56:19,331 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 58 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-10-14 20:56:19,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984375336] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:56:19,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:56:19,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 18] total 37 [2024-10-14 20:56:19,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459841534] [2024-10-14 20:56:19,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:56:19,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-10-14 20:56:19,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:19,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-10-14 20:56:19,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=1053, Unknown=0, NotChecked=0, Total=1332 [2024-10-14 20:56:19,333 INFO L87 Difference]: Start difference. First operand 607 states and 698 transitions. Second operand has 37 states, 37 states have (on average 3.27027027027027) internal successors, (121), 37 states have internal predecessors, (121), 17 states have call successors, (33), 9 states have call predecessors, (33), 9 states have return successors, (33), 17 states have call predecessors, (33), 17 states have call successors, (33) [2024-10-14 20:56:20,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:20,097 INFO L93 Difference]: Finished difference Result 1130 states and 1313 transitions. [2024-10-14 20:56:20,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-10-14 20:56:20,098 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.27027027027027) internal successors, (121), 37 states have internal predecessors, (121), 17 states have call successors, (33), 9 states have call predecessors, (33), 9 states have return successors, (33), 17 states have call predecessors, (33), 17 states have call successors, (33) Word has length 99 [2024-10-14 20:56:20,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:20,101 INFO L225 Difference]: With dead ends: 1130 [2024-10-14 20:56:20,101 INFO L226 Difference]: Without dead ends: 841 [2024-10-14 20:56:20,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1387 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1135, Invalid=4415, Unknown=0, NotChecked=0, Total=5550 [2024-10-14 20:56:20,103 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 236 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:20,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 402 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:56:20,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2024-10-14 20:56:20,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 757. [2024-10-14 20:56:20,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 604 states have (on average 1.1589403973509933) internal successors, (700), 607 states have internal predecessors, (700), 78 states have call successors, (78), 72 states have call predecessors, (78), 72 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-14 20:56:20,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 856 transitions. [2024-10-14 20:56:20,153 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 856 transitions. Word has length 99 [2024-10-14 20:56:20,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:20,153 INFO L471 AbstractCegarLoop]: Abstraction has 757 states and 856 transitions. [2024-10-14 20:56:20,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.27027027027027) internal successors, (121), 37 states have internal predecessors, (121), 17 states have call successors, (33), 9 states have call predecessors, (33), 9 states have return successors, (33), 17 states have call predecessors, (33), 17 states have call successors, (33) [2024-10-14 20:56:20,154 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 856 transitions. [2024-10-14 20:56:20,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-14 20:56:20,155 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:20,155 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:56:20,168 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-14 20:56:20,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-14 20:56:20,360 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:20,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:20,360 INFO L85 PathProgramCache]: Analyzing trace with hash -266451318, now seen corresponding path program 1 times [2024-10-14 20:56:20,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:20,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419981740] [2024-10-14 20:56:20,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:20,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:20,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:20,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:20,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:20,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:20,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:56:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:20,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:56:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:20,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 20:56:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:20,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:56:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:20,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:56:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:20,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 20:56:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:20,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:56:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:20,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 20:56:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:20,619 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-10-14 20:56:20,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:20,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419981740] [2024-10-14 20:56:20,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419981740] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:56:20,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639321208] [2024-10-14 20:56:20,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:20,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:20,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:56:20,621 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) [2024-10-14 20:56:20,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 20:56:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:20,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-14 20:56:20,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:56:20,985 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 166 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:56:20,985 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:56:21,372 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-10-14 20:56:21,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639321208] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:56:21,372 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:56:21,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 18] total 54 [2024-10-14 20:56:21,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551588001] [2024-10-14 20:56:21,373 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:56:21,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-10-14 20:56:21,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:21,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-10-14 20:56:21,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=564, Invalid=2406, Unknown=0, NotChecked=0, Total=2970 [2024-10-14 20:56:21,375 INFO L87 Difference]: Start difference. First operand 757 states and 856 transitions. Second operand has 55 states, 54 states have (on average 2.9814814814814814) internal successors, (161), 55 states have internal predecessors, (161), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) [2024-10-14 20:56:22,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:22,927 INFO L93 Difference]: Finished difference Result 926 states and 1051 transitions. [2024-10-14 20:56:22,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-10-14 20:56:22,928 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 54 states have (on average 2.9814814814814814) internal successors, (161), 55 states have internal predecessors, (161), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) Word has length 105 [2024-10-14 20:56:22,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:22,931 INFO L225 Difference]: With dead ends: 926 [2024-10-14 20:56:22,931 INFO L226 Difference]: Without dead ends: 924 [2024-10-14 20:56:22,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3588 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=2754, Invalid=12008, Unknown=0, NotChecked=0, Total=14762 [2024-10-14 20:56:22,934 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 501 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:22,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 417 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:56:22,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2024-10-14 20:56:22,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 623. [2024-10-14 20:56:22,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 496 states have (on average 1.1612903225806452) internal successors, (576), 500 states have internal predecessors, (576), 65 states have call successors, (65), 59 states have call predecessors, (65), 59 states have return successors, (65), 63 states have call predecessors, (65), 65 states have call successors, (65) [2024-10-14 20:56:22,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 706 transitions. [2024-10-14 20:56:22,962 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 706 transitions. Word has length 105 [2024-10-14 20:56:22,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:22,963 INFO L471 AbstractCegarLoop]: Abstraction has 623 states and 706 transitions. [2024-10-14 20:56:22,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 54 states have (on average 2.9814814814814814) internal successors, (161), 55 states have internal predecessors, (161), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) [2024-10-14 20:56:22,963 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 706 transitions. [2024-10-14 20:56:22,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-14 20:56:22,964 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:22,965 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 7, 7, 7, 7, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:56:22,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-14 20:56:23,168 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,SelfDestructingSolverStorable16 [2024-10-14 20:56:23,169 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:23,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:23,169 INFO L85 PathProgramCache]: Analyzing trace with hash -378308498, now seen corresponding path program 2 times [2024-10-14 20:56:23,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:23,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348282052] [2024-10-14 20:56:23,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:23,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:23,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:23,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:23,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:23,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:23,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:56:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:23,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:56:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:23,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 20:56:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:23,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:56:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:23,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:56:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:23,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 20:56:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:23,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:56:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:23,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 20:56:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:23,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 20:56:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:23,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 20:56:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:23,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 20:56:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:23,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 20:56:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:23,628 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-14 20:56:23,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:23,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348282052] [2024-10-14 20:56:23,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348282052] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:56:23,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831533887] [2024-10-14 20:56:23,628 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:56:23,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:23,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:56:23,630 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) [2024-10-14 20:56:23,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 20:56:23,692 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:56:23,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:56:23,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-14 20:56:23,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:56:23,830 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 438 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:56:23,831 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:56:24,287 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-14 20:56:24,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831533887] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:56:24,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:56:24,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 26, 27] total 56 [2024-10-14 20:56:24,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801373768] [2024-10-14 20:56:24,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:56:24,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-10-14 20:56:24,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:24,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-10-14 20:56:24,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=629, Invalid=2563, Unknown=0, NotChecked=0, Total=3192 [2024-10-14 20:56:24,290 INFO L87 Difference]: Start difference. First operand 623 states and 706 transitions. Second operand has 57 states, 56 states have (on average 3.232142857142857) internal successors, (181), 57 states have internal predecessors, (181), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) [2024-10-14 20:56:25,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:25,703 INFO L93 Difference]: Finished difference Result 1493 states and 1729 transitions. [2024-10-14 20:56:25,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-10-14 20:56:25,703 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 56 states have (on average 3.232142857142857) internal successors, (181), 57 states have internal predecessors, (181), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) Word has length 145 [2024-10-14 20:56:25,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:25,708 INFO L225 Difference]: With dead ends: 1493 [2024-10-14 20:56:25,709 INFO L226 Difference]: Without dead ends: 1228 [2024-10-14 20:56:25,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4276 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=3050, Invalid=12450, Unknown=0, NotChecked=0, Total=15500 [2024-10-14 20:56:25,712 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 457 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:25,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 541 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:56:25,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2024-10-14 20:56:25,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 976. [2024-10-14 20:56:25,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 976 states, 779 states have (on average 1.177150192554557) internal successors, (917), 783 states have internal predecessors, (917), 100 states have call successors, (100), 94 states have call predecessors, (100), 94 states have return successors, (100), 98 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-14 20:56:25,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1117 transitions. [2024-10-14 20:56:25,765 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1117 transitions. Word has length 145 [2024-10-14 20:56:25,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:25,765 INFO L471 AbstractCegarLoop]: Abstraction has 976 states and 1117 transitions. [2024-10-14 20:56:25,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 56 states have (on average 3.232142857142857) internal successors, (181), 57 states have internal predecessors, (181), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) [2024-10-14 20:56:25,765 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1117 transitions. [2024-10-14 20:56:25,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-14 20:56:25,768 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:25,768 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 10, 10, 10, 10, 10, 10, 9, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:56:25,782 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-14 20:56:25,968 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,SelfDestructingSolverStorable17 [2024-10-14 20:56:25,968 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:25,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:25,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1016039211, now seen corresponding path program 2 times [2024-10-14 20:56:25,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:25,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828770492] [2024-10-14 20:56:25,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:25,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:26,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:26,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:26,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:26,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:26,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:56:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:26,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:56:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:26,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 20:56:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:26,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:56:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:26,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:56:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:26,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 20:56:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:26,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:56:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:26,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 20:56:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:26,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 20:56:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:26,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 20:56:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:26,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 20:56:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:26,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 20:56:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:26,386 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 3 proven. 274 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-14 20:56:26,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:26,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828770492] [2024-10-14 20:56:26,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828770492] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:56:26,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384103363] [2024-10-14 20:56:26,387 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:56:26,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:26,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:56:26,388 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) [2024-10-14 20:56:26,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-14 20:56:26,451 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:56:26,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:56:26,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-14 20:56:26,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:56:26,607 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 3 proven. 538 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:56:26,607 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:56:27,087 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 3 proven. 274 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-14 20:56:27,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384103363] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:56:27,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:56:27,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27, 28] total 57 [2024-10-14 20:56:27,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463038851] [2024-10-14 20:56:27,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:56:27,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-10-14 20:56:27,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:27,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-10-14 20:56:27,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=689, Invalid=2503, Unknown=0, NotChecked=0, Total=3192 [2024-10-14 20:56:27,089 INFO L87 Difference]: Start difference. First operand 976 states and 1117 transitions. Second operand has 57 states, 57 states have (on average 3.263157894736842) internal successors, (186), 57 states have internal predecessors, (186), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) [2024-10-14 20:56:28,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:28,436 INFO L93 Difference]: Finished difference Result 1868 states and 2169 transitions. [2024-10-14 20:56:28,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-10-14 20:56:28,437 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 3.263157894736842) internal successors, (186), 57 states have internal predecessors, (186), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) Word has length 149 [2024-10-14 20:56:28,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:28,442 INFO L225 Difference]: With dead ends: 1868 [2024-10-14 20:56:28,442 INFO L226 Difference]: Without dead ends: 1510 [2024-10-14 20:56:28,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4418 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=3434, Invalid=12822, Unknown=0, NotChecked=0, Total=16256 [2024-10-14 20:56:28,444 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 490 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:28,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 398 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:56:28,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states. [2024-10-14 20:56:28,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 1390. [2024-10-14 20:56:28,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1390 states, 1115 states have (on average 1.1506726457399103) internal successors, (1283), 1119 states have internal predecessors, (1283), 139 states have call successors, (139), 133 states have call predecessors, (139), 133 states have return successors, (139), 137 states have call predecessors, (139), 139 states have call successors, (139) [2024-10-14 20:56:28,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1390 states and 1561 transitions. [2024-10-14 20:56:28,503 INFO L78 Accepts]: Start accepts. Automaton has 1390 states and 1561 transitions. Word has length 149 [2024-10-14 20:56:28,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:28,503 INFO L471 AbstractCegarLoop]: Abstraction has 1390 states and 1561 transitions. [2024-10-14 20:56:28,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 3.263157894736842) internal successors, (186), 57 states have internal predecessors, (186), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) [2024-10-14 20:56:28,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 1561 transitions. [2024-10-14 20:56:28,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-10-14 20:56:28,506 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:28,506 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:56:28,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-14 20:56:28,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:28,709 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:28,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:28,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1165160318, now seen corresponding path program 1 times [2024-10-14 20:56:28,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:28,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040414937] [2024-10-14 20:56:28,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:28,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:29,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:29,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:29,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:29,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:29,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:56:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:29,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:56:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:29,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 20:56:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:29,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:56:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:29,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:56:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:29,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 20:56:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:29,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:56:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:29,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 20:56:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:29,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 20:56:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:29,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 20:56:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:29,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 20:56:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:29,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 20:56:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:29,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 20:56:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:29,204 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 6 proven. 180 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-10-14 20:56:29,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:29,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040414937] [2024-10-14 20:56:29,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040414937] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:56:29,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548568740] [2024-10-14 20:56:29,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:29,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:29,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:56:29,206 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) [2024-10-14 20:56:29,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-14 20:56:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:29,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-14 20:56:29,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:56:29,431 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 6 proven. 492 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:56:29,431 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:56:29,959 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 6 proven. 180 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-10-14 20:56:29,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548568740] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:56:29,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:56:29,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 29, 30] total 61 [2024-10-14 20:56:29,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583421713] [2024-10-14 20:56:29,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:56:29,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-10-14 20:56:29,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:29,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-10-14 20:56:29,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=703, Invalid=2957, Unknown=0, NotChecked=0, Total=3660 [2024-10-14 20:56:29,961 INFO L87 Difference]: Start difference. First operand 1390 states and 1561 transitions. Second operand has 61 states, 61 states have (on average 3.262295081967213) internal successors, (199), 61 states have internal predecessors, (199), 29 states have call successors, (51), 15 states have call predecessors, (51), 15 states have return successors, (51), 29 states have call predecessors, (51), 29 states have call successors, (51) [2024-10-14 20:56:31,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:31,367 INFO L93 Difference]: Finished difference Result 3154 states and 3575 transitions. [2024-10-14 20:56:31,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-10-14 20:56:31,367 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 61 states have (on average 3.262295081967213) internal successors, (199), 61 states have internal predecessors, (199), 29 states have call successors, (51), 15 states have call predecessors, (51), 15 states have return successors, (51), 29 states have call predecessors, (51), 29 states have call successors, (51) Word has length 159 [2024-10-14 20:56:31,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:31,375 INFO L225 Difference]: With dead ends: 3154 [2024-10-14 20:56:31,375 INFO L226 Difference]: Without dead ends: 2846 [2024-10-14 20:56:31,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4939 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=3268, Invalid=14024, Unknown=0, NotChecked=0, Total=17292 [2024-10-14 20:56:31,379 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 471 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:31,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 498 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:56:31,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2846 states. [2024-10-14 20:56:31,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2846 to 2180. [2024-10-14 20:56:31,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2180 states, 1747 states have (on average 1.1368059530623926) internal successors, (1986), 1751 states have internal predecessors, (1986), 218 states have call successors, (218), 212 states have call predecessors, (218), 212 states have return successors, (218), 216 states have call predecessors, (218), 218 states have call successors, (218) [2024-10-14 20:56:31,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 2180 states and 2422 transitions. [2024-10-14 20:56:31,490 INFO L78 Accepts]: Start accepts. Automaton has 2180 states and 2422 transitions. Word has length 159 [2024-10-14 20:56:31,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:31,491 INFO L471 AbstractCegarLoop]: Abstraction has 2180 states and 2422 transitions. [2024-10-14 20:56:31,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 3.262295081967213) internal successors, (199), 61 states have internal predecessors, (199), 29 states have call successors, (51), 15 states have call predecessors, (51), 15 states have return successors, (51), 29 states have call predecessors, (51), 29 states have call successors, (51) [2024-10-14 20:56:31,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2180 states and 2422 transitions. [2024-10-14 20:56:31,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-10-14 20:56:31,493 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:31,494 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:56:31,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-14 20:56:31,697 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,SelfDestructingSolverStorable19 [2024-10-14 20:56:31,697 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:31,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:31,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1338836924, now seen corresponding path program 3 times [2024-10-14 20:56:31,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:31,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239564489] [2024-10-14 20:56:31,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:31,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:32,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:32,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:32,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:32,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:32,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:56:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:32,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:56:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:32,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 20:56:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:32,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:56:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:32,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:56:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:32,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 20:56:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:32,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:56:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:32,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 20:56:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:32,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 20:56:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:32,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 20:56:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:32,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 20:56:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:32,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 20:56:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:32,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 20:56:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:32,257 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 3 proven. 206 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-10-14 20:56:32,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:32,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239564489] [2024-10-14 20:56:32,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239564489] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:56:32,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194397922] [2024-10-14 20:56:32,257 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 20:56:32,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:32,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:56:32,259 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) [2024-10-14 20:56:32,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-14 20:56:32,302 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-14 20:56:32,303 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:56:32,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:56:32,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:56:32,413 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 82 proven. 1 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-10-14 20:56:32,414 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:56:32,537 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 34 proven. 1 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-10-14 20:56:32,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194397922] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:56:32,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:56:32,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 6, 6] total 41 [2024-10-14 20:56:32,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391885271] [2024-10-14 20:56:32,538 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:56:32,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-10-14 20:56:32,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:32,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-10-14 20:56:32,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=1317, Unknown=0, NotChecked=0, Total=1640 [2024-10-14 20:56:32,539 INFO L87 Difference]: Start difference. First operand 2180 states and 2422 transitions. Second operand has 41 states, 41 states have (on average 2.951219512195122) internal successors, (121), 41 states have internal predecessors, (121), 17 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 17 states have call predecessors, (26), 17 states have call successors, (26) [2024-10-14 20:56:33,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:33,411 INFO L93 Difference]: Finished difference Result 2498 states and 2792 transitions. [2024-10-14 20:56:33,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-10-14 20:56:33,412 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 2.951219512195122) internal successors, (121), 41 states have internal predecessors, (121), 17 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 17 states have call predecessors, (26), 17 states have call successors, (26) Word has length 159 [2024-10-14 20:56:33,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:33,418 INFO L225 Difference]: With dead ends: 2498 [2024-10-14 20:56:33,418 INFO L226 Difference]: Without dead ends: 2233 [2024-10-14 20:56:33,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1396 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1414, Invalid=5558, Unknown=0, NotChecked=0, Total=6972 [2024-10-14 20:56:33,421 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 332 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:33,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 392 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:56:33,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2233 states. [2024-10-14 20:56:33,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2233 to 1053. [2024-10-14 20:56:33,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1053 states, 840 states have (on average 1.1226190476190476) internal successors, (943), 845 states have internal predecessors, (943), 108 states have call successors, (108), 102 states have call predecessors, (108), 102 states have return successors, (108), 105 states have call predecessors, (108), 108 states have call successors, (108) [2024-10-14 20:56:33,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1159 transitions. [2024-10-14 20:56:33,538 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1159 transitions. Word has length 159 [2024-10-14 20:56:33,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:33,538 INFO L471 AbstractCegarLoop]: Abstraction has 1053 states and 1159 transitions. [2024-10-14 20:56:33,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 2.951219512195122) internal successors, (121), 41 states have internal predecessors, (121), 17 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 17 states have call predecessors, (26), 17 states have call successors, (26) [2024-10-14 20:56:33,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1159 transitions. [2024-10-14 20:56:33,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-10-14 20:56:33,541 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:33,541 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 10, 10, 9, 9, 9, 9, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:56:33,557 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-14 20:56:33,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:33,742 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:33,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:33,742 INFO L85 PathProgramCache]: Analyzing trace with hash -892602534, now seen corresponding path program 1 times [2024-10-14 20:56:33,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:33,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970981888] [2024-10-14 20:56:33,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:33,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:34,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:34,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:34,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:34,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:34,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:56:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:34,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:56:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:34,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 20:56:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:34,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:56:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:34,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:56:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:34,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 20:56:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:34,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:56:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:34,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 20:56:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:34,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 20:56:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:34,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 20:56:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:34,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 20:56:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:34,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 20:56:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:34,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 20:56:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:34,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 20:56:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:34,270 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 0 proven. 267 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-10-14 20:56:34,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:34,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970981888] [2024-10-14 20:56:34,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970981888] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:56:34,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039685102] [2024-10-14 20:56:34,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:34,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:34,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:56:34,272 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) [2024-10-14 20:56:34,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-14 20:56:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:34,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-14 20:56:34,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:56:34,927 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 3 proven. 628 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:56:34,928 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:56:35,770 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 3 proven. 264 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-10-14 20:56:35,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039685102] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:56:35,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:56:35,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30, 30] total 90 [2024-10-14 20:56:35,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517783232] [2024-10-14 20:56:35,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:56:35,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-10-14 20:56:35,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:35,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-10-14 20:56:35,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1638, Invalid=6552, Unknown=0, NotChecked=0, Total=8190 [2024-10-14 20:56:35,774 INFO L87 Difference]: Start difference. First operand 1053 states and 1159 transitions. Second operand has 91 states, 90 states have (on average 2.988888888888889) internal successors, (269), 91 states have internal predecessors, (269), 44 states have call successors, (50), 15 states have call predecessors, (50), 15 states have return successors, (50), 44 states have call predecessors, (50), 44 states have call successors, (50) [2024-10-14 20:56:39,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:39,089 INFO L93 Difference]: Finished difference Result 2059 states and 2315 transitions. [2024-10-14 20:56:39,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2024-10-14 20:56:39,090 INFO L78 Accepts]: Start accepts. Automaton has has 91 states, 90 states have (on average 2.988888888888889) internal successors, (269), 91 states have internal predecessors, (269), 44 states have call successors, (50), 15 states have call predecessors, (50), 15 states have return successors, (50), 44 states have call predecessors, (50), 44 states have call successors, (50) Word has length 165 [2024-10-14 20:56:39,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:39,096 INFO L225 Difference]: With dead ends: 2059 [2024-10-14 20:56:39,096 INFO L226 Difference]: Without dead ends: 1899 [2024-10-14 20:56:39,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9992 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=8151, Invalid=32049, Unknown=0, NotChecked=0, Total=40200 [2024-10-14 20:56:39,103 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 917 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 917 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:39,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [917 Valid, 645 Invalid, 884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 802 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 20:56:39,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1899 states. [2024-10-14 20:56:39,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1899 to 1296. [2024-10-14 20:56:39,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1296 states, 1035 states have (on average 1.1333333333333333) internal successors, (1173), 1040 states have internal predecessors, (1173), 132 states have call successors, (132), 126 states have call predecessors, (132), 126 states have return successors, (132), 129 states have call predecessors, (132), 132 states have call successors, (132) [2024-10-14 20:56:39,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 1437 transitions. [2024-10-14 20:56:39,187 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 1437 transitions. Word has length 165 [2024-10-14 20:56:39,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:39,187 INFO L471 AbstractCegarLoop]: Abstraction has 1296 states and 1437 transitions. [2024-10-14 20:56:39,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 90 states have (on average 2.988888888888889) internal successors, (269), 91 states have internal predecessors, (269), 44 states have call successors, (50), 15 states have call predecessors, (50), 15 states have return successors, (50), 44 states have call predecessors, (50), 44 states have call successors, (50) [2024-10-14 20:56:39,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1437 transitions. [2024-10-14 20:56:39,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-14 20:56:39,190 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:39,190 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 14, 14, 14, 13, 13, 13, 12, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:56:39,203 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-14 20:56:39,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:39,395 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:39,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:39,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1073556915, now seen corresponding path program 1 times [2024-10-14 20:56:39,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:39,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461219320] [2024-10-14 20:56:39,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:39,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:39,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:39,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:39,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:39,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:39,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:56:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:39,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:56:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:39,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 20:56:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:39,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:56:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:39,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:56:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:39,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 20:56:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:39,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:56:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:39,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 20:56:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:39,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 20:56:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:39,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 20:56:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:39,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 20:56:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:39,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 20:56:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:39,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 20:56:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:39,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 20:56:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:39,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 20:56:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:39,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 20:56:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:39,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1033 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 884 trivial. 0 not checked. [2024-10-14 20:56:39,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:39,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461219320] [2024-10-14 20:56:39,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461219320] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:56:39,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:56:39,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:56:39,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406691916] [2024-10-14 20:56:39,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:56:39,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:56:39,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:39,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:56:39,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:56:39,500 INFO L87 Difference]: Start difference. First operand 1296 states and 1437 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-14 20:56:39,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:39,617 INFO L93 Difference]: Finished difference Result 2029 states and 2275 transitions. [2024-10-14 20:56:39,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:56:39,618 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 189 [2024-10-14 20:56:39,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:39,622 INFO L225 Difference]: With dead ends: 2029 [2024-10-14 20:56:39,622 INFO L226 Difference]: Without dead ends: 1346 [2024-10-14 20:56:39,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:56:39,624 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 13 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:39,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 113 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:56:39,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2024-10-14 20:56:39,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1289. [2024-10-14 20:56:39,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 1031 states have (on average 1.1290009699321049) internal successors, (1164), 1038 states have internal predecessors, (1164), 132 states have call successors, (132), 123 states have call predecessors, (132), 123 states have return successors, (132), 127 states have call predecessors, (132), 132 states have call successors, (132) [2024-10-14 20:56:39,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1428 transitions. [2024-10-14 20:56:39,705 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1428 transitions. Word has length 189 [2024-10-14 20:56:39,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:39,706 INFO L471 AbstractCegarLoop]: Abstraction has 1289 states and 1428 transitions. [2024-10-14 20:56:39,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-14 20:56:39,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1428 transitions. [2024-10-14 20:56:39,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-14 20:56:39,708 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:39,708 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 14, 14, 14, 13, 13, 13, 12, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:56:39,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-14 20:56:39,708 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:39,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:39,709 INFO L85 PathProgramCache]: Analyzing trace with hash 830979882, now seen corresponding path program 1 times [2024-10-14 20:56:39,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:39,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470180872] [2024-10-14 20:56:39,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:39,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:40,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:40,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:40,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:40,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:40,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:56:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:40,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:56:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:40,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 20:56:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:40,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:56:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:40,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:56:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:40,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 20:56:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:40,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:56:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:40,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 20:56:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:40,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 20:56:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:40,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 20:56:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:40,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 20:56:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:40,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 20:56:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:40,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 20:56:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:40,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 20:56:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:40,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 20:56:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:40,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 20:56:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:40,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 20:56:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:40,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 6 proven. 532 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2024-10-14 20:56:40,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:40,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470180872] [2024-10-14 20:56:40,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470180872] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:56:40,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721297462] [2024-10-14 20:56:40,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:40,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:40,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:56:40,368 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) [2024-10-14 20:56:40,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-14 20:56:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:40,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-10-14 20:56:40,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:56:40,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 6 proven. 1076 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:56:40,604 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:56:41,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 6 proven. 532 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2024-10-14 20:56:41,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721297462] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:56:41,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:56:41,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 37, 38] total 77 [2024-10-14 20:56:41,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570959726] [2024-10-14 20:56:41,395 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:56:41,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-10-14 20:56:41,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:41,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-10-14 20:56:41,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1251, Invalid=4601, Unknown=0, NotChecked=0, Total=5852 [2024-10-14 20:56:41,397 INFO L87 Difference]: Start difference. First operand 1289 states and 1428 transitions. Second operand has 77 states, 77 states have (on average 3.25974025974026) internal successors, (251), 77 states have internal predecessors, (251), 37 states have call successors, (63), 19 states have call predecessors, (63), 19 states have return successors, (63), 37 states have call predecessors, (63), 37 states have call successors, (63) [2024-10-14 20:56:43,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:43,427 INFO L93 Difference]: Finished difference Result 2740 states and 3081 transitions. [2024-10-14 20:56:43,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-10-14 20:56:43,428 INFO L78 Accepts]: Start accepts. Automaton has has 77 states, 77 states have (on average 3.25974025974026) internal successors, (251), 77 states have internal predecessors, (251), 37 states have call successors, (63), 19 states have call predecessors, (63), 19 states have return successors, (63), 37 states have call predecessors, (63), 37 states have call successors, (63) Word has length 199 [2024-10-14 20:56:43,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:43,434 INFO L225 Difference]: With dead ends: 2740 [2024-10-14 20:56:43,434 INFO L226 Difference]: Without dead ends: 2469 [2024-10-14 20:56:43,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7096 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=5861, Invalid=20545, Unknown=0, NotChecked=0, Total=26406 [2024-10-14 20:56:43,436 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 710 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 710 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:43,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [710 Valid, 558 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:56:43,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2469 states. [2024-10-14 20:56:43,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2469 to 2224. [2024-10-14 20:56:43,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2224 states, 1783 states have (on average 1.1217049915872126) internal successors, (2000), 1789 states have internal predecessors, (2000), 223 states have call successors, (223), 215 states have call predecessors, (223), 215 states have return successors, (223), 219 states have call predecessors, (223), 223 states have call successors, (223) [2024-10-14 20:56:43,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 2224 states and 2446 transitions. [2024-10-14 20:56:43,570 INFO L78 Accepts]: Start accepts. Automaton has 2224 states and 2446 transitions. Word has length 199 [2024-10-14 20:56:43,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:43,571 INFO L471 AbstractCegarLoop]: Abstraction has 2224 states and 2446 transitions. [2024-10-14 20:56:43,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 3.25974025974026) internal successors, (251), 77 states have internal predecessors, (251), 37 states have call successors, (63), 19 states have call predecessors, (63), 19 states have return successors, (63), 37 states have call predecessors, (63), 37 states have call successors, (63) [2024-10-14 20:56:43,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2224 states and 2446 transitions. [2024-10-14 20:56:43,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-14 20:56:43,574 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:43,574 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 13, 13, 13, 13, 13, 13, 11, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:56:43,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-14 20:56:43,774 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,SelfDestructingSolverStorable23 [2024-10-14 20:56:43,775 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:43,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:43,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1870806133, now seen corresponding path program 1 times [2024-10-14 20:56:43,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:43,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947714137] [2024-10-14 20:56:43,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:43,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:56:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:56:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 20:56:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:56:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:56:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 20:56:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:56:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 20:56:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 20:56:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 20:56:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 20:56:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 20:56:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 20:56:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 20:56:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 20:56:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 20:56:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 20:56:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-14 20:56:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 20:56:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 0 proven. 522 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2024-10-14 20:56:44,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:44,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947714137] [2024-10-14 20:56:44,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947714137] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:56:44,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550195760] [2024-10-14 20:56:44,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:44,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:44,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:56:44,580 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) [2024-10-14 20:56:44,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-14 20:56:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:44,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-10-14 20:56:44,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:56:45,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 3 proven. 1203 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:56:45,628 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:56:47,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 3 proven. 519 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2024-10-14 20:56:47,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550195760] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:56:47,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:56:47,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 40, 40] total 120 [2024-10-14 20:56:47,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603533723] [2024-10-14 20:56:47,056 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:56:47,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2024-10-14 20:56:47,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:47,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2024-10-14 20:56:47,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2848, Invalid=11672, Unknown=0, NotChecked=0, Total=14520 [2024-10-14 20:56:47,059 INFO L87 Difference]: Start difference. First operand 2224 states and 2446 transitions. Second operand has 121 states, 120 states have (on average 2.9916666666666667) internal successors, (359), 121 states have internal predecessors, (359), 59 states have call successors, (65), 20 states have call predecessors, (65), 20 states have return successors, (65), 59 states have call predecessors, (65), 59 states have call successors, (65) [2024-10-14 20:56:52,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:52,860 INFO L93 Difference]: Finished difference Result 4043 states and 4553 transitions. [2024-10-14 20:56:52,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2024-10-14 20:56:52,861 INFO L78 Accepts]: Start accepts. Automaton has has 121 states, 120 states have (on average 2.9916666666666667) internal successors, (359), 121 states have internal predecessors, (359), 59 states have call successors, (65), 20 states have call predecessors, (65), 20 states have return successors, (65), 59 states have call predecessors, (65), 59 states have call successors, (65) Word has length 215 [2024-10-14 20:56:52,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:52,871 INFO L225 Difference]: With dead ends: 4043 [2024-10-14 20:56:52,871 INFO L226 Difference]: Without dead ends: 3772 [2024-10-14 20:56:52,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 679 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 283 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21714 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=15707, Invalid=65233, Unknown=0, NotChecked=0, Total=80940 [2024-10-14 20:56:52,875 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 1335 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1335 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 1195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:52,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1335 Valid, 784 Invalid, 1195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 1069 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 20:56:52,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3772 states. [2024-10-14 20:56:53,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3772 to 2830. [2024-10-14 20:56:53,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2830 states, 2274 states have (on average 1.1248900615655233) internal successors, (2558), 2279 states have internal predecessors, (2558), 282 states have call successors, (282), 271 states have call predecessors, (282), 271 states have return successors, (282), 279 states have call predecessors, (282), 282 states have call successors, (282) [2024-10-14 20:56:53,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2830 states and 3122 transitions. [2024-10-14 20:56:53,201 INFO L78 Accepts]: Start accepts. Automaton has 2830 states and 3122 transitions. Word has length 215 [2024-10-14 20:56:53,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:53,201 INFO L471 AbstractCegarLoop]: Abstraction has 2830 states and 3122 transitions. [2024-10-14 20:56:53,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 120 states have (on average 2.9916666666666667) internal successors, (359), 121 states have internal predecessors, (359), 59 states have call successors, (65), 20 states have call predecessors, (65), 20 states have return successors, (65), 59 states have call predecessors, (65), 59 states have call successors, (65) [2024-10-14 20:56:53,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 3122 transitions. [2024-10-14 20:56:53,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-10-14 20:56:53,206 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:53,206 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 17, 17, 17, 17, 17, 17, 15, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:56:53,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-14 20:56:53,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:53,406 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:53,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:53,407 INFO L85 PathProgramCache]: Analyzing trace with hash 686162494, now seen corresponding path program 2 times [2024-10-14 20:56:53,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:53,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933697940] [2024-10-14 20:56:53,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:53,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:56:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:56:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:56:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:56:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:56:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:56:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 20:56:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:56:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:56:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 20:56:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:56:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 20:56:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 20:56:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 20:56:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 20:56:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 20:56:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 20:56:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 20:56:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 20:56:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 20:56:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 20:56:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-14 20:56:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 20:56:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 20:56:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-14 20:56:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:56:54,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1706 backedges. 6 proven. 836 refuted. 0 times theorem prover too weak. 864 trivial. 0 not checked. [2024-10-14 20:56:54,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:56:54,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933697940] [2024-10-14 20:56:54,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933697940] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:56:54,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137716525] [2024-10-14 20:56:54,297 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:56:54,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:54,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:56:54,298 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:56:54,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-14 20:56:54,374 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:56:54,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:56:54,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-10-14 20:56:54,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:56:54,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1706 backedges. 6 proven. 1676 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:56:54,597 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:56:55,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1706 backedges. 6 proven. 836 refuted. 0 times theorem prover too weak. 864 trivial. 0 not checked. [2024-10-14 20:56:55,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137716525] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:56:55,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:56:55,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 45, 46] total 93 [2024-10-14 20:56:55,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179998010] [2024-10-14 20:56:55,688 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:56:55,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2024-10-14 20:56:55,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:56:55,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2024-10-14 20:56:55,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1807, Invalid=6749, Unknown=0, NotChecked=0, Total=8556 [2024-10-14 20:56:55,691 INFO L87 Difference]: Start difference. First operand 2830 states and 3122 transitions. Second operand has 93 states, 93 states have (on average 3.2580645161290325) internal successors, (303), 93 states have internal predecessors, (303), 45 states have call successors, (75), 23 states have call predecessors, (75), 23 states have return successors, (75), 45 states have call predecessors, (75), 45 states have call successors, (75) [2024-10-14 20:56:59,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:56:59,001 INFO L93 Difference]: Finished difference Result 4821 states and 5383 transitions. [2024-10-14 20:56:59,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-10-14 20:56:59,002 INFO L78 Accepts]: Start accepts. Automaton has has 93 states, 93 states have (on average 3.2580645161290325) internal successors, (303), 93 states have internal predecessors, (303), 45 states have call successors, (75), 23 states have call predecessors, (75), 23 states have return successors, (75), 45 states have call predecessors, (75), 45 states have call successors, (75) Word has length 239 [2024-10-14 20:56:59,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:56:59,014 INFO L225 Difference]: With dead ends: 4821 [2024-10-14 20:56:59,014 INFO L226 Difference]: Without dead ends: 4370 [2024-10-14 20:56:59,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 695 GetRequests, 481 SyntacticMatches, 0 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13517 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=9601, Invalid=36839, Unknown=0, NotChecked=0, Total=46440 [2024-10-14 20:56:59,018 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 780 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 780 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:56:59,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [780 Valid, 617 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:56:59,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4370 states. [2024-10-14 20:56:59,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4370 to 3704. [2024-10-14 20:56:59,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3704 states, 2975 states have (on average 1.1216806722689077) internal successors, (3337), 2980 states have internal predecessors, (3337), 369 states have call successors, (369), 357 states have call predecessors, (369), 357 states have return successors, (369), 366 states have call predecessors, (369), 369 states have call successors, (369) [2024-10-14 20:56:59,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3704 states to 3704 states and 4075 transitions. [2024-10-14 20:56:59,350 INFO L78 Accepts]: Start accepts. Automaton has 3704 states and 4075 transitions. Word has length 239 [2024-10-14 20:56:59,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:56:59,350 INFO L471 AbstractCegarLoop]: Abstraction has 3704 states and 4075 transitions. [2024-10-14 20:56:59,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 3.2580645161290325) internal successors, (303), 93 states have internal predecessors, (303), 45 states have call successors, (75), 23 states have call predecessors, (75), 23 states have return successors, (75), 45 states have call predecessors, (75), 45 states have call successors, (75) [2024-10-14 20:56:59,350 INFO L276 IsEmpty]: Start isEmpty. Operand 3704 states and 4075 transitions. [2024-10-14 20:56:59,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-10-14 20:56:59,355 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:56:59,355 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 19, 19, 19, 18, 18, 18, 17, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:56:59,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-14 20:56:59,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:56:59,556 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:56:59,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:56:59,556 INFO L85 PathProgramCache]: Analyzing trace with hash 312570694, now seen corresponding path program 1 times [2024-10-14 20:56:59,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:56:59,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554459593] [2024-10-14 20:56:59,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:56:59,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:56:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:57:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:57:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:57:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:57:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:57:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:57:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 20:57:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:57:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:57:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 20:57:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:57:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 20:57:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 20:57:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 20:57:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 20:57:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 20:57:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 20:57:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 20:57:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 20:57:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 20:57:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 20:57:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-14 20:57:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 20:57:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 20:57:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-14 20:57:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-14 20:57:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1964 backedges. 14 proven. 1002 refuted. 0 times theorem prover too weak. 948 trivial. 0 not checked. [2024-10-14 20:57:00,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:57:00,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554459593] [2024-10-14 20:57:00,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554459593] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:57:00,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143221703] [2024-10-14 20:57:00,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:57:00,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:57:00,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:57:00,562 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) [2024-10-14 20:57:00,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-14 20:57:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:00,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-10-14 20:57:00,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:57:00,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1964 backedges. 14 proven. 1926 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:57:00,826 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:57:02,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1964 backedges. 14 proven. 1002 refuted. 0 times theorem prover too weak. 948 trivial. 0 not checked. [2024-10-14 20:57:02,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1143221703] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:57:02,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:57:02,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 47, 48] total 97 [2024-10-14 20:57:02,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087036910] [2024-10-14 20:57:02,034 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:57:02,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-10-14 20:57:02,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:57:02,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-10-14 20:57:02,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2041, Invalid=7271, Unknown=0, NotChecked=0, Total=9312 [2024-10-14 20:57:02,037 INFO L87 Difference]: Start difference. First operand 3704 states and 4075 transitions. Second operand has 97 states, 97 states have (on average 3.2989690721649483) internal successors, (320), 97 states have internal predecessors, (320), 47 states have call successors, (78), 24 states have call predecessors, (78), 24 states have return successors, (78), 47 states have call predecessors, (78), 47 states have call successors, (78) [2024-10-14 20:57:05,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:57:05,271 INFO L93 Difference]: Finished difference Result 5727 states and 6339 transitions. [2024-10-14 20:57:05,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-10-14 20:57:05,271 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 3.2989690721649483) internal successors, (320), 97 states have internal predecessors, (320), 47 states have call successors, (78), 24 states have call predecessors, (78), 24 states have return successors, (78), 47 states have call predecessors, (78), 47 states have call successors, (78) Word has length 253 [2024-10-14 20:57:05,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:57:05,284 INFO L225 Difference]: With dead ends: 5727 [2024-10-14 20:57:05,284 INFO L226 Difference]: Without dead ends: 5276 [2024-10-14 20:57:05,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 716 GetRequests, 509 SyntacticMatches, 0 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11752 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=9993, Invalid=33479, Unknown=0, NotChecked=0, Total=43472 [2024-10-14 20:57:05,288 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 1032 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1032 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:57:05,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1032 Valid, 643 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:57:05,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5276 states. [2024-10-14 20:57:05,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5276 to 4818. [2024-10-14 20:57:05,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4818 states, 3870 states have (on average 1.1183462532299742) internal successors, (4328), 3875 states have internal predecessors, (4328), 478 states have call successors, (478), 467 states have call predecessors, (478), 467 states have return successors, (478), 475 states have call predecessors, (478), 478 states have call successors, (478) [2024-10-14 20:57:05,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4818 states to 4818 states and 5284 transitions. [2024-10-14 20:57:05,693 INFO L78 Accepts]: Start accepts. Automaton has 4818 states and 5284 transitions. Word has length 253 [2024-10-14 20:57:05,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:57:05,693 INFO L471 AbstractCegarLoop]: Abstraction has 4818 states and 5284 transitions. [2024-10-14 20:57:05,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 3.2989690721649483) internal successors, (320), 97 states have internal predecessors, (320), 47 states have call successors, (78), 24 states have call predecessors, (78), 24 states have return successors, (78), 47 states have call predecessors, (78), 47 states have call successors, (78) [2024-10-14 20:57:05,694 INFO L276 IsEmpty]: Start isEmpty. Operand 4818 states and 5284 transitions. [2024-10-14 20:57:05,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-10-14 20:57:05,702 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:57:05,702 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 17, 17, 17, 16, 16, 16, 15, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:57:05,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-14 20:57:05,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:57:05,903 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:57:05,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:57:05,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1016449, now seen corresponding path program 2 times [2024-10-14 20:57:05,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:57:05,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563032485] [2024-10-14 20:57:05,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:57:05,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:57:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:06,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:57:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:57:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:57:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:57:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:57:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:57:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 20:57:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:57:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:57:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 20:57:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:57:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 20:57:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 20:57:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 20:57:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 20:57:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 20:57:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 20:57:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 20:57:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 20:57:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 20:57:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 20:57:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-14 20:57:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 20:57:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 20:57:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-14 20:57:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-14 20:57:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-14 20:57:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:07,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 26 proven. 850 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2024-10-14 20:57:07,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:57:07,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563032485] [2024-10-14 20:57:07,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563032485] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:57:07,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310172219] [2024-10-14 20:57:07,060 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:57:07,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:57:07,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:57:07,063 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) [2024-10-14 20:57:07,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-14 20:57:07,151 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:57:07,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:57:07,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-10-14 20:57:07,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:57:07,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 26 proven. 1862 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:57:07,374 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:57:08,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 26 proven. 850 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2024-10-14 20:57:08,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310172219] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:57:08,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:57:08,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 49, 50] total 101 [2024-10-14 20:57:08,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029997440] [2024-10-14 20:57:08,648 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:57:08,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-10-14 20:57:08,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:57:08,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-10-14 20:57:08,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2043, Invalid=8057, Unknown=0, NotChecked=0, Total=10100 [2024-10-14 20:57:08,652 INFO L87 Difference]: Start difference. First operand 4818 states and 5284 transitions. Second operand has 101 states, 101 states have (on average 3.297029702970297) internal successors, (333), 101 states have internal predecessors, (333), 49 states have call successors, (81), 25 states have call predecessors, (81), 25 states have return successors, (81), 49 states have call predecessors, (81), 49 states have call successors, (81) [2024-10-14 20:57:12,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:57:12,185 INFO L93 Difference]: Finished difference Result 7371 states and 8146 transitions. [2024-10-14 20:57:12,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2024-10-14 20:57:12,186 INFO L78 Accepts]: Start accepts. Automaton has has 101 states, 101 states have (on average 3.297029702970297) internal successors, (333), 101 states have internal predecessors, (333), 49 states have call successors, (81), 25 states have call predecessors, (81), 25 states have return successors, (81), 49 states have call predecessors, (81), 49 states have call successors, (81) Word has length 263 [2024-10-14 20:57:12,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:57:12,200 INFO L225 Difference]: With dead ends: 7371 [2024-10-14 20:57:12,201 INFO L226 Difference]: Without dead ends: 6920 [2024-10-14 20:57:12,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 746 GetRequests, 529 SyntacticMatches, 0 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13453 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=9860, Invalid=37882, Unknown=0, NotChecked=0, Total=47742 [2024-10-14 20:57:12,205 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 1031 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1031 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:57:12,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1031 Valid, 728 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:57:12,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6920 states. [2024-10-14 20:57:12,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6920 to 5071. [2024-10-14 20:57:12,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5071 states, 4070 states have (on average 1.1184275184275185) internal successors, (4552), 4074 states have internal predecessors, (4552), 504 states have call successors, (504), 494 states have call predecessors, (504), 494 states have return successors, (504), 502 states have call predecessors, (504), 504 states have call successors, (504) [2024-10-14 20:57:12,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5071 states to 5071 states and 5560 transitions. [2024-10-14 20:57:12,676 INFO L78 Accepts]: Start accepts. Automaton has 5071 states and 5560 transitions. Word has length 263 [2024-10-14 20:57:12,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:57:12,677 INFO L471 AbstractCegarLoop]: Abstraction has 5071 states and 5560 transitions. [2024-10-14 20:57:12,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 3.297029702970297) internal successors, (333), 101 states have internal predecessors, (333), 49 states have call successors, (81), 25 states have call predecessors, (81), 25 states have return successors, (81), 49 states have call predecessors, (81), 49 states have call successors, (81) [2024-10-14 20:57:12,677 INFO L276 IsEmpty]: Start isEmpty. Operand 5071 states and 5560 transitions. [2024-10-14 20:57:12,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-10-14 20:57:12,683 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:57:12,683 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 16, 16, 16, 16, 16, 16, 14, 7, 7, 7, 6, 6, 6, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:57:12,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-14 20:57:12,883 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,SelfDestructingSolverStorable27 [2024-10-14 20:57:12,886 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:57:12,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:57:12,886 INFO L85 PathProgramCache]: Analyzing trace with hash 758086403, now seen corresponding path program 3 times [2024-10-14 20:57:12,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:57:12,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074409860] [2024-10-14 20:57:12,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:57:12,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:57:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:57:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:57:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:57:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:57:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:57:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:57:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 20:57:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:57:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:57:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 20:57:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:57:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 20:57:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 20:57:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 20:57:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 20:57:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 20:57:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 20:57:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 20:57:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 20:57:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 20:57:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 20:57:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-14 20:57:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 20:57:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 20:57:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-14 20:57:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-14 20:57:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-14 20:57:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-14 20:57:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:14,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1974 backedges. 6 proven. 840 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-10-14 20:57:14,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:57:14,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074409860] [2024-10-14 20:57:14,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074409860] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:57:14,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794468951] [2024-10-14 20:57:14,099 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 20:57:14,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:57:14,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:57:14,100 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) [2024-10-14 20:57:14,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-14 20:57:14,151 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-14 20:57:14,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:57:14,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:57:14,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:57:14,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1974 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 1807 trivial. 0 not checked. [2024-10-14 20:57:14,265 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:57:14,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794468951] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:57:14,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:57:14,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [53] total 58 [2024-10-14 20:57:14,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449819968] [2024-10-14 20:57:14,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:57:14,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:57:14,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:57:14,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:57:14,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=644, Invalid=2662, Unknown=0, NotChecked=0, Total=3306 [2024-10-14 20:57:14,266 INFO L87 Difference]: Start difference. First operand 5071 states and 5560 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 20:57:14,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:57:14,824 INFO L93 Difference]: Finished difference Result 5124 states and 5608 transitions. [2024-10-14 20:57:14,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 20:57:14,824 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 269 [2024-10-14 20:57:14,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:57:14,834 INFO L225 Difference]: With dead ends: 5124 [2024-10-14 20:57:14,834 INFO L226 Difference]: Without dead ends: 5122 [2024-10-14 20:57:14,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 892 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=671, Invalid=3235, Unknown=0, NotChecked=0, Total=3906 [2024-10-14 20:57:14,836 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 35 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:57:14,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 144 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:57:14,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5122 states. [2024-10-14 20:57:15,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5122 to 4354. [2024-10-14 20:57:15,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4354 states, 3487 states have (on average 1.1190134786349297) internal successors, (3902), 3492 states have internal predecessors, (3902), 435 states have call successors, (435), 429 states have call predecessors, (435), 429 states have return successors, (435), 432 states have call predecessors, (435), 435 states have call successors, (435) [2024-10-14 20:57:15,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4354 states to 4354 states and 4772 transitions. [2024-10-14 20:57:15,185 INFO L78 Accepts]: Start accepts. Automaton has 4354 states and 4772 transitions. Word has length 269 [2024-10-14 20:57:15,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:57:15,186 INFO L471 AbstractCegarLoop]: Abstraction has 4354 states and 4772 transitions. [2024-10-14 20:57:15,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-14 20:57:15,186 INFO L276 IsEmpty]: Start isEmpty. Operand 4354 states and 4772 transitions. [2024-10-14 20:57:15,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-10-14 20:57:15,190 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:57:15,191 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 20, 20, 20, 19, 19, 19, 18, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:57:15,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-14 20:57:15,391 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,SelfDestructingSolverStorable28 [2024-10-14 20:57:15,391 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:57:15,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:57:15,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1441964562, now seen corresponding path program 3 times [2024-10-14 20:57:15,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:57:15,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512372495] [2024-10-14 20:57:15,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:57:15,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:57:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:57:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 20:57:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 20:57:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 20:57:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 20:57:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 20:57:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 20:57:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 20:57:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 20:57:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 20:57:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 20:57:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 20:57:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 20:57:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 20:57:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 20:57:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 20:57:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 20:57:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 20:57:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 20:57:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 20:57:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 20:57:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-14 20:57:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 20:57:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 20:57:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-14 20:57:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-14 20:57:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-14 20:57:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-14 20:57:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:57:16,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 18 proven. 1126 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-10-14 20:57:16,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:57:16,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512372495] [2024-10-14 20:57:16,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512372495] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:57:16,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220856857] [2024-10-14 20:57:16,481 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 20:57:16,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:57:16,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:57:16,482 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) [2024-10-14 20:57:16,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-14 20:57:16,530 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-14 20:57:16,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:57:16,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:57:16,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:57:16,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 239 proven. 1 refuted. 0 times theorem prover too weak. 2032 trivial. 0 not checked. [2024-10-14 20:57:16,686 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:57:16,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 147 proven. 1 refuted. 0 times theorem prover too weak. 2124 trivial. 0 not checked. [2024-10-14 20:57:16,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220856857] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:57:16,905 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:57:16,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 8, 8] total 67 [2024-10-14 20:57:16,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26210778] [2024-10-14 20:57:16,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:57:16,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-10-14 20:57:16,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:57:16,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-10-14 20:57:16,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=908, Invalid=3514, Unknown=0, NotChecked=0, Total=4422 [2024-10-14 20:57:16,907 INFO L87 Difference]: Start difference. First operand 4354 states and 4772 transitions. Second operand has 67 states, 67 states have (on average 2.8208955223880596) internal successors, (189), 67 states have internal predecessors, (189), 28 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 28 states have call predecessors, (37), 28 states have call successors, (37) [2024-10-14 20:57:19,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:57:19,357 INFO L93 Difference]: Finished difference Result 5190 states and 5703 transitions. [2024-10-14 20:57:19,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-10-14 20:57:19,358 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 2.8208955223880596) internal successors, (189), 67 states have internal predecessors, (189), 28 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 28 states have call predecessors, (37), 28 states have call successors, (37) Word has length 273 [2024-10-14 20:57:19,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:57:19,361 INFO L225 Difference]: With dead ends: 5190 [2024-10-14 20:57:19,361 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 20:57:19,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 735 GetRequests, 587 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4674 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=4604, Invalid=17746, Unknown=0, NotChecked=0, Total=22350 [2024-10-14 20:57:19,366 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 799 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:57:19,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 489 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:57:19,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 20:57:19,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 20:57:19,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:57:19,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 20:57:19,368 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 273 [2024-10-14 20:57:19,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:57:19,368 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 20:57:19,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 2.8208955223880596) internal successors, (189), 67 states have internal predecessors, (189), 28 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 28 states have call predecessors, (37), 28 states have call successors, (37) [2024-10-14 20:57:19,369 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 20:57:19,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 20:57:19,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-10-14 20:57:19,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-10-14 20:57:19,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-10-14 20:57:19,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-10-14 20:57:19,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-10-14 20:57:19,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-10-14 20:57:19,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-14 20:57:19,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:57:19,575 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:57:19,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.