./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound5.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 3f9b33d2a8120d9ea8a3a6c5d650c2a90b549ffb583b3e9890b411aeb4530efd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:05:32,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:05:32,782 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:05:32,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:05:32,790 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:05:32,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:05:32,821 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:05:32,822 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:05:32,822 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:05:32,823 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:05:32,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:05:32,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:05:32,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:05:32,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:05:32,827 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:05:32,827 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:05:32,827 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:05:32,828 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:05:32,828 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:05:32,828 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:05:32,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:05:32,832 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:05:32,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:05:32,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:05:32,833 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:05:32,833 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:05:32,833 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:05:32,834 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:05:32,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:05:32,834 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:05:32,834 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:05:32,834 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:05:32,835 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:05:32,835 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:05:32,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:05:32,835 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:05:32,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:05:32,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:05:32,838 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:05:32,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:05:32,839 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:05:32,839 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:05:32,839 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:05:32,840 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:05:32,840 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f9b33d2a8120d9ea8a3a6c5d650c2a90b549ffb583b3e9890b411aeb4530efd [2024-11-10 19:05:33,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:05:33,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:05:33,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:05:33,168 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:05:33,168 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:05:33,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound5.c [2024-11-10 19:05:34,552 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:05:34,776 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:05:34,778 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound5.c [2024-11-10 19:05:34,789 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e2e5f40/6ecc9b8cc52a496fb8f111e5914d101e/FLAG7cb7a2eaa [2024-11-10 19:05:34,807 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e2e5f40/6ecc9b8cc52a496fb8f111e5914d101e [2024-11-10 19:05:34,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:05:34,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:05:34,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:05:34,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:05:34,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:05:34,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:05:34" (1/1) ... [2024-11-10 19:05:34,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41d78da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:34, skipping insertion in model container [2024-11-10 19:05:34,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:05:34" (1/1) ... [2024-11-10 19:05:34,847 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:05:35,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:05:35,060 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:05:35,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:05:35,100 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:05:35,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:35 WrapperNode [2024-11-10 19:05:35,100 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:05:35,101 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:05:35,101 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:05:35,102 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:05:35,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:35" (1/1) ... [2024-11-10 19:05:35,114 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:35" (1/1) ... [2024-11-10 19:05:35,135 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 118 [2024-11-10 19:05:35,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:05:35,136 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:05:35,136 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:05:35,136 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:05:35,146 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:35" (1/1) ... [2024-11-10 19:05:35,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:35" (1/1) ... [2024-11-10 19:05:35,149 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:35" (1/1) ... [2024-11-10 19:05:35,165 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 19:05:35,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:35" (1/1) ... [2024-11-10 19:05:35,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:35" (1/1) ... [2024-11-10 19:05:35,170 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:35" (1/1) ... [2024-11-10 19:05:35,171 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:35" (1/1) ... [2024-11-10 19:05:35,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:35" (1/1) ... [2024-11-10 19:05:35,173 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:35" (1/1) ... [2024-11-10 19:05:35,180 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:05:35,181 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:05:35,181 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:05:35,181 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:05:35,182 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:35" (1/1) ... [2024-11-10 19:05:35,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:05:35,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:35,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 19:05:35,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 19:05:35,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:05:35,256 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 19:05:35,257 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 19:05:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:05:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:05:35,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:05:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:05:35,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:05:35,312 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:05:35,314 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:05:35,864 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-11-10 19:05:35,865 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:05:35,888 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:05:35,888 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:05:35,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:05:35 BoogieIcfgContainer [2024-11-10 19:05:35,890 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:05:35,891 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:05:35,891 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:05:35,896 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:05:35,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:05:34" (1/3) ... [2024-11-10 19:05:35,898 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d0e581f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:05:35, skipping insertion in model container [2024-11-10 19:05:35,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:35" (2/3) ... [2024-11-10 19:05:35,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d0e581f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:05:35, skipping insertion in model container [2024-11-10 19:05:35,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:05:35" (3/3) ... [2024-11-10 19:05:35,901 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd-ll_valuebound5.c [2024-11-10 19:05:35,918 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:05:35,918 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2024-11-10 19:05:35,979 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:05:35,984 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;@400f2ae4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:05:35,984 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-10 19:05:35,989 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 81 states have (on average 1.7654320987654322) internal successors, (143), 137 states have internal predecessors, (143), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 19:05:35,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-10 19:05:35,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:35,996 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:35,996 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:36,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:36,000 INFO L85 PathProgramCache]: Analyzing trace with hash -398421411, now seen corresponding path program 1 times [2024-11-10 19:05:36,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:36,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134594682] [2024-11-10 19:05:36,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:36,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:05:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:05:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:05:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,167 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:05:36,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:36,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134594682] [2024-11-10 19:05:36,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134594682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:36,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:36,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:36,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711115077] [2024-11-10 19:05:36,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:36,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:05:36,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:36,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:05:36,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:05:36,200 INFO L87 Difference]: Start difference. First operand has 151 states, 81 states have (on average 1.7654320987654322) internal successors, (143), 137 states have internal predecessors, (143), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-10 19:05:36,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:36,238 INFO L93 Difference]: Finished difference Result 298 states and 336 transitions. [2024-11-10 19:05:36,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:05:36,240 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 26 [2024-11-10 19:05:36,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:36,247 INFO L225 Difference]: With dead ends: 298 [2024-11-10 19:05:36,247 INFO L226 Difference]: Without dead ends: 144 [2024-11-10 19:05:36,250 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 [2024-11-10 19:05:36,253 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:36,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:05:36,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-10 19:05:36,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2024-11-10 19:05:36,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 76 states have (on average 1.75) internal successors, (133), 131 states have internal predecessors, (133), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:05:36,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 153 transitions. [2024-11-10 19:05:36,290 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 153 transitions. Word has length 26 [2024-11-10 19:05:36,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:36,290 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 153 transitions. [2024-11-10 19:05:36,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-10 19:05:36,291 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 153 transitions. [2024-11-10 19:05:36,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-10 19:05:36,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:36,292 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:36,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:05:36,292 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:36,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:36,293 INFO L85 PathProgramCache]: Analyzing trace with hash -146467076, now seen corresponding path program 1 times [2024-11-10 19:05:36,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:36,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416014166] [2024-11-10 19:05:36,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:36,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:36,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1334308273] [2024-11-10 19:05:36,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:36,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:36,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:36,340 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:36,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 19:05:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:05:36,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:36,453 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:05:36,455 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:36,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:36,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416014166] [2024-11-10 19:05:36,457 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:36,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334308273] [2024-11-10 19:05:36,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334308273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:36,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:36,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:36,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525202901] [2024-11-10 19:05:36,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:36,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:36,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:36,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:36,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:36,463 INFO L87 Difference]: Start difference. First operand 144 states and 153 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:05:36,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:36,847 INFO L93 Difference]: Finished difference Result 235 states and 283 transitions. [2024-11-10 19:05:36,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:36,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 27 [2024-11-10 19:05:36,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:36,850 INFO L225 Difference]: With dead ends: 235 [2024-11-10 19:05:36,850 INFO L226 Difference]: Without dead ends: 231 [2024-11-10 19:05:36,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:36,855 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 78 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:36,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 155 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:05:36,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-10 19:05:36,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 184. [2024-11-10 19:05:36,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 111 states have (on average 1.7747747747747749) internal successors, (197), 166 states have internal predecessors, (197), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-10 19:05:36,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 227 transitions. [2024-11-10 19:05:36,884 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 227 transitions. Word has length 27 [2024-11-10 19:05:36,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:36,884 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 227 transitions. [2024-11-10 19:05:36,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:05:36,884 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 227 transitions. [2024-11-10 19:05:36,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 19:05:36,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:36,888 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:36,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 19:05:37,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:37,089 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:37,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:37,090 INFO L85 PathProgramCache]: Analyzing trace with hash 979063866, now seen corresponding path program 1 times [2024-11-10 19:05:37,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:37,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450245382] [2024-11-10 19:05:37,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:37,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:37,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1883077353] [2024-11-10 19:05:37,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:37,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:37,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:37,123 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:37,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 19:05:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:37,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:05:37,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:37,200 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:05:37,200 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:37,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:37,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450245382] [2024-11-10 19:05:37,201 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:37,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883077353] [2024-11-10 19:05:37,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883077353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:37,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:37,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:37,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830496887] [2024-11-10 19:05:37,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:37,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:37,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:37,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:37,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:37,203 INFO L87 Difference]: Start difference. First operand 184 states and 227 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:05:37,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:37,652 INFO L93 Difference]: Finished difference Result 291 states and 357 transitions. [2024-11-10 19:05:37,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:37,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2024-11-10 19:05:37,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:37,655 INFO L225 Difference]: With dead ends: 291 [2024-11-10 19:05:37,655 INFO L226 Difference]: Without dead ends: 283 [2024-11-10 19:05:37,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:37,657 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 89 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:37,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 214 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:05:37,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-10 19:05:37,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 241. [2024-11-10 19:05:37,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 162 states have (on average 1.728395061728395) internal successors, (280), 217 states have internal predecessors, (280), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-10 19:05:37,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 322 transitions. [2024-11-10 19:05:37,679 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 322 transitions. Word has length 29 [2024-11-10 19:05:37,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:37,679 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 322 transitions. [2024-11-10 19:05:37,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:05:37,679 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 322 transitions. [2024-11-10 19:05:37,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-10 19:05:37,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:37,680 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] [2024-11-10 19:05:37,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 19:05:37,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-10 19:05:37,882 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:37,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:37,882 INFO L85 PathProgramCache]: Analyzing trace with hash 282540408, now seen corresponding path program 1 times [2024-11-10 19:05:37,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:37,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999720202] [2024-11-10 19:05:37,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:37,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:37,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [811336828] [2024-11-10 19:05:37,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:37,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:37,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:37,918 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:37,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 19:05:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:37,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:05:37,965 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:38,052 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:05:38,052 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:38,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:38,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999720202] [2024-11-10 19:05:38,053 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:38,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811336828] [2024-11-10 19:05:38,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811336828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:38,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:38,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:38,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652281358] [2024-11-10 19:05:38,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:38,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:38,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:38,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:38,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:38,055 INFO L87 Difference]: Start difference. First operand 241 states and 322 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:05:38,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:38,467 INFO L93 Difference]: Finished difference Result 277 states and 343 transitions. [2024-11-10 19:05:38,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:38,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 31 [2024-11-10 19:05:38,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:38,469 INFO L225 Difference]: With dead ends: 277 [2024-11-10 19:05:38,469 INFO L226 Difference]: Without dead ends: 263 [2024-11-10 19:05:38,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:38,472 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 66 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:38,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 141 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:05:38,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-10 19:05:38,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 206. [2024-11-10 19:05:38,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 132 states have (on average 1.643939393939394) internal successors, (217), 187 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 19:05:38,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 249 transitions. [2024-11-10 19:05:38,495 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 249 transitions. Word has length 31 [2024-11-10 19:05:38,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:38,496 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 249 transitions. [2024-11-10 19:05:38,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:05:38,496 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 249 transitions. [2024-11-10 19:05:38,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-10 19:05:38,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:38,497 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:38,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:38,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:38,698 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:38,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:38,699 INFO L85 PathProgramCache]: Analyzing trace with hash -41216957, now seen corresponding path program 1 times [2024-11-10 19:05:38,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:38,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345287999] [2024-11-10 19:05:38,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:38,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:38,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1469164839] [2024-11-10 19:05:38,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:38,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:38,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:38,739 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:38,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 19:05:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:38,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:05:38,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:38,817 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:05:38,817 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:38,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:38,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345287999] [2024-11-10 19:05:38,817 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:38,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469164839] [2024-11-10 19:05:38,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469164839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:38,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:38,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:38,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427912772] [2024-11-10 19:05:38,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:38,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:38,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:38,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:38,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:38,823 INFO L87 Difference]: Start difference. First operand 206 states and 249 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:39,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:39,184 INFO L93 Difference]: Finished difference Result 380 states and 480 transitions. [2024-11-10 19:05:39,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:39,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 38 [2024-11-10 19:05:39,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:39,188 INFO L225 Difference]: With dead ends: 380 [2024-11-10 19:05:39,188 INFO L226 Difference]: Without dead ends: 372 [2024-11-10 19:05:39,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:39,189 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 90 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:39,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 212 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:05:39,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-11-10 19:05:39,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 291. [2024-11-10 19:05:39,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 208 states have (on average 1.6298076923076923) internal successors, (339), 263 states have internal predecessors, (339), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:39,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 389 transitions. [2024-11-10 19:05:39,211 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 389 transitions. Word has length 38 [2024-11-10 19:05:39,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:39,212 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 389 transitions. [2024-11-10 19:05:39,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:39,212 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 389 transitions. [2024-11-10 19:05:39,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-10 19:05:39,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:39,216 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:39,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:39,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:39,420 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:39,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:39,420 INFO L85 PathProgramCache]: Analyzing trace with hash -954787295, now seen corresponding path program 1 times [2024-11-10 19:05:39,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:39,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344876107] [2024-11-10 19:05:39,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:39,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:39,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [307390781] [2024-11-10 19:05:39,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:39,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:39,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:39,442 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:39,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 19:05:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:39,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:39,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:39,579 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:05:39,579 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:39,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:39,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344876107] [2024-11-10 19:05:39,579 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:39,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307390781] [2024-11-10 19:05:39,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307390781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:39,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:39,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:39,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483789487] [2024-11-10 19:05:39,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:39,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:39,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:39,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:39,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:39,581 INFO L87 Difference]: Start difference. First operand 291 states and 389 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:39,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:39,902 INFO L93 Difference]: Finished difference Result 348 states and 458 transitions. [2024-11-10 19:05:39,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:39,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (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 40 [2024-11-10 19:05:39,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:39,905 INFO L225 Difference]: With dead ends: 348 [2024-11-10 19:05:39,905 INFO L226 Difference]: Without dead ends: 346 [2024-11-10 19:05:39,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:39,906 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 183 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:39,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 172 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:05:39,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-10 19:05:39,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 291. [2024-11-10 19:05:39,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 208 states have (on average 1.6105769230769231) internal successors, (335), 263 states have internal predecessors, (335), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:39,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 385 transitions. [2024-11-10 19:05:39,919 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 385 transitions. Word has length 40 [2024-11-10 19:05:39,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:39,920 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 385 transitions. [2024-11-10 19:05:39,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:39,920 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 385 transitions. [2024-11-10 19:05:39,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-10 19:05:39,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:39,921 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:39,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:40,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:40,123 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:40,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:40,124 INFO L85 PathProgramCache]: Analyzing trace with hash 466365008, now seen corresponding path program 1 times [2024-11-10 19:05:40,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:40,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247313229] [2024-11-10 19:05:40,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:40,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:40,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [976513260] [2024-11-10 19:05:40,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:40,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:40,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:40,164 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:40,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 19:05:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:40,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:40,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:40,280 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:05:40,281 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:40,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:40,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247313229] [2024-11-10 19:05:40,281 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:40,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976513260] [2024-11-10 19:05:40,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976513260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:40,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:40,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:40,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322099647] [2024-11-10 19:05:40,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:40,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:40,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:40,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:40,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:40,283 INFO L87 Difference]: Start difference. First operand 291 states and 385 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:40,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:40,569 INFO L93 Difference]: Finished difference Result 348 states and 454 transitions. [2024-11-10 19:05:40,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:40,571 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 41 [2024-11-10 19:05:40,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:40,572 INFO L225 Difference]: With dead ends: 348 [2024-11-10 19:05:40,573 INFO L226 Difference]: Without dead ends: 346 [2024-11-10 19:05:40,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:40,573 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 246 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:40,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 155 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:05:40,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-10 19:05:40,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 291. [2024-11-10 19:05:40,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 208 states have (on average 1.5913461538461537) internal successors, (331), 263 states have internal predecessors, (331), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:40,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 381 transitions. [2024-11-10 19:05:40,595 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 381 transitions. Word has length 41 [2024-11-10 19:05:40,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:40,596 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 381 transitions. [2024-11-10 19:05:40,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:40,596 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 381 transitions. [2024-11-10 19:05:40,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-10 19:05:40,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:40,601 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:40,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 19:05:40,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:40,802 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:40,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:40,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1572413439, now seen corresponding path program 1 times [2024-11-10 19:05:40,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:40,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725398125] [2024-11-10 19:05:40,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:40,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:40,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1848687533] [2024-11-10 19:05:40,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:40,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:40,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:40,841 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:40,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 19:05:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:40,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:40,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:05:40,936 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:40,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:40,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725398125] [2024-11-10 19:05:40,938 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:40,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848687533] [2024-11-10 19:05:40,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848687533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:40,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:40,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:40,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311506182] [2024-11-10 19:05:40,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:40,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:40,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:40,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:40,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:40,941 INFO L87 Difference]: Start difference. First operand 291 states and 381 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:41,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:41,573 INFO L93 Difference]: Finished difference Result 370 states and 460 transitions. [2024-11-10 19:05:41,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:41,574 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 42 [2024-11-10 19:05:41,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:41,577 INFO L225 Difference]: With dead ends: 370 [2024-11-10 19:05:41,577 INFO L226 Difference]: Without dead ends: 368 [2024-11-10 19:05:41,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:41,578 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 153 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:41,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 183 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:05:41,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-10 19:05:41,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 292. [2024-11-10 19:05:41,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 209 states have (on average 1.5741626794258374) internal successors, (329), 264 states have internal predecessors, (329), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:41,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 379 transitions. [2024-11-10 19:05:41,598 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 379 transitions. Word has length 42 [2024-11-10 19:05:41,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:41,599 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 379 transitions. [2024-11-10 19:05:41,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:41,600 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 379 transitions. [2024-11-10 19:05:41,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-10 19:05:41,601 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:41,601 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:41,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:41,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:41,802 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:41,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:41,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1500176430, now seen corresponding path program 1 times [2024-11-10 19:05:41,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:41,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118474242] [2024-11-10 19:05:41,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:41,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:41,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [610260797] [2024-11-10 19:05:41,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:41,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:41,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:41,823 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:41,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:05:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:41,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:41,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:41,992 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:05:41,993 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:41,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:41,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118474242] [2024-11-10 19:05:41,993 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:41,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610260797] [2024-11-10 19:05:41,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610260797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:41,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:41,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:41,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456657365] [2024-11-10 19:05:41,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:41,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:41,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:41,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:41,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:41,995 INFO L87 Difference]: Start difference. First operand 292 states and 379 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:43,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:43,375 INFO L93 Difference]: Finished difference Result 370 states and 456 transitions. [2024-11-10 19:05:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:43,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 43 [2024-11-10 19:05:43,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:43,377 INFO L225 Difference]: With dead ends: 370 [2024-11-10 19:05:43,377 INFO L226 Difference]: Without dead ends: 368 [2024-11-10 19:05:43,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:43,378 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 92 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:43,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 240 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 19:05:43,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-10 19:05:43,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 293. [2024-11-10 19:05:43,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 210 states have (on average 1.5571428571428572) internal successors, (327), 265 states have internal predecessors, (327), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:43,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 377 transitions. [2024-11-10 19:05:43,391 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 377 transitions. Word has length 43 [2024-11-10 19:05:43,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:43,391 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 377 transitions. [2024-11-10 19:05:43,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:43,391 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 377 transitions. [2024-11-10 19:05:43,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-10 19:05:43,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:43,392 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:43,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:43,596 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,SelfDestructingSolverStorable8 [2024-11-10 19:05:43,597 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:43,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:43,597 INFO L85 PathProgramCache]: Analyzing trace with hash -562723964, now seen corresponding path program 1 times [2024-11-10 19:05:43,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:43,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946681919] [2024-11-10 19:05:43,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:43,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:43,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1693779275] [2024-11-10 19:05:43,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:43,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:43,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:43,616 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:43,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:05:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:43,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:43,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:43,737 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:05:43,738 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:43,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:43,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946681919] [2024-11-10 19:05:43,738 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:43,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693779275] [2024-11-10 19:05:43,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693779275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:43,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:43,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:43,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547579782] [2024-11-10 19:05:43,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:43,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:43,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:43,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:43,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:43,742 INFO L87 Difference]: Start difference. First operand 293 states and 377 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-11-10 19:05:44,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:44,128 INFO L93 Difference]: Finished difference Result 319 states and 400 transitions. [2024-11-10 19:05:44,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:44,129 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 51 [2024-11-10 19:05:44,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:44,130 INFO L225 Difference]: With dead ends: 319 [2024-11-10 19:05:44,130 INFO L226 Difference]: Without dead ends: 317 [2024-11-10 19:05:44,131 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:44,131 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 228 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:44,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 165 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:05:44,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-10 19:05:44,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 294. [2024-11-10 19:05:44,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 211 states have (on average 1.5450236966824644) internal successors, (326), 266 states have internal predecessors, (326), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:44,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 376 transitions. [2024-11-10 19:05:44,145 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 376 transitions. Word has length 51 [2024-11-10 19:05:44,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:44,147 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 376 transitions. [2024-11-10 19:05:44,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-11-10 19:05:44,147 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 376 transitions. [2024-11-10 19:05:44,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-10 19:05:44,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:44,148 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:44,165 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 19:05:44,349 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,SelfDestructingSolverStorable9 [2024-11-10 19:05:44,349 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:44,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:44,350 INFO L85 PathProgramCache]: Analyzing trace with hash -264573632, now seen corresponding path program 1 times [2024-11-10 19:05:44,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:44,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983932841] [2024-11-10 19:05:44,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:44,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:44,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [20322574] [2024-11-10 19:05:44,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:44,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:44,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:44,383 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:44,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 19:05:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:44,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:44,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:44,507 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:05:44,508 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:44,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:44,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983932841] [2024-11-10 19:05:44,508 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:44,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20322574] [2024-11-10 19:05:44,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20322574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:44,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:44,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:44,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35848416] [2024-11-10 19:05:44,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:44,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:44,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:44,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:44,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:44,510 INFO L87 Difference]: Start difference. First operand 294 states and 376 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-11-10 19:05:44,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:44,865 INFO L93 Difference]: Finished difference Result 319 states and 397 transitions. [2024-11-10 19:05:44,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:44,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 52 [2024-11-10 19:05:44,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:44,867 INFO L225 Difference]: With dead ends: 319 [2024-11-10 19:05:44,867 INFO L226 Difference]: Without dead ends: 317 [2024-11-10 19:05:44,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:44,868 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 226 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:44,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 165 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:05:44,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-10 19:05:44,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 295. [2024-11-10 19:05:44,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 212 states have (on average 1.5330188679245282) internal successors, (325), 267 states have internal predecessors, (325), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:44,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 375 transitions. [2024-11-10 19:05:44,881 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 375 transitions. Word has length 52 [2024-11-10 19:05:44,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:44,881 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 375 transitions. [2024-11-10 19:05:44,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-11-10 19:05:44,881 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 375 transitions. [2024-11-10 19:05:44,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-10 19:05:44,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:44,882 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:44,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:45,082 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,SelfDestructingSolverStorable10 [2024-11-10 19:05:45,082 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:45,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:45,083 INFO L85 PathProgramCache]: Analyzing trace with hash 388152066, now seen corresponding path program 1 times [2024-11-10 19:05:45,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:45,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672780752] [2024-11-10 19:05:45,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:45,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:45,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [84883746] [2024-11-10 19:05:45,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:45,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:45,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:45,101 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:45,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 19:05:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:45,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:45,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:45,208 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:05:45,208 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:45,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:45,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672780752] [2024-11-10 19:05:45,208 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:45,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84883746] [2024-11-10 19:05:45,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84883746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:45,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:45,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:45,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152168973] [2024-11-10 19:05:45,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:45,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:45,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:45,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:45,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:45,210 INFO L87 Difference]: Start difference. First operand 295 states and 375 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:05:45,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:45,758 INFO L93 Difference]: Finished difference Result 325 states and 384 transitions. [2024-11-10 19:05:45,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:45,758 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 53 [2024-11-10 19:05:45,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:45,760 INFO L225 Difference]: With dead ends: 325 [2024-11-10 19:05:45,760 INFO L226 Difference]: Without dead ends: 323 [2024-11-10 19:05:45,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:45,761 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 138 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:45,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 214 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:05:45,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-10 19:05:45,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 296. [2024-11-10 19:05:45,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 213 states have (on average 1.5211267605633803) internal successors, (324), 268 states have internal predecessors, (324), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:45,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 374 transitions. [2024-11-10 19:05:45,775 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 374 transitions. Word has length 53 [2024-11-10 19:05:45,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:45,775 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 374 transitions. [2024-11-10 19:05:45,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:05:45,776 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 374 transitions. [2024-11-10 19:05:45,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-10 19:05:45,777 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:45,777 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:45,794 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 19:05:45,978 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,SelfDestructingSolverStorable11 [2024-11-10 19:05:45,978 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:45,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:45,979 INFO L85 PathProgramCache]: Analyzing trace with hash -852187778, now seen corresponding path program 1 times [2024-11-10 19:05:45,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:45,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103922681] [2024-11-10 19:05:45,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:45,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:45,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [686280948] [2024-11-10 19:05:45,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:45,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:45,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:45,996 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:45,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 19:05:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:46,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:46,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:46,169 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:05:46,169 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:46,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:46,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103922681] [2024-11-10 19:05:46,170 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:46,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686280948] [2024-11-10 19:05:46,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686280948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:46,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:46,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:46,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771276186] [2024-11-10 19:05:46,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:46,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:46,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:46,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:46,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:46,171 INFO L87 Difference]: Start difference. First operand 296 states and 374 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:05:47,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:47,241 INFO L93 Difference]: Finished difference Result 325 states and 381 transitions. [2024-11-10 19:05:47,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:47,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 54 [2024-11-10 19:05:47,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:47,244 INFO L225 Difference]: With dead ends: 325 [2024-11-10 19:05:47,244 INFO L226 Difference]: Without dead ends: 323 [2024-11-10 19:05:47,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:47,245 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 83 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:47,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 268 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 19:05:47,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-10 19:05:47,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 297. [2024-11-10 19:05:47,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 214 states have (on average 1.5093457943925233) internal successors, (323), 269 states have internal predecessors, (323), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:47,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 373 transitions. [2024-11-10 19:05:47,261 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 373 transitions. Word has length 54 [2024-11-10 19:05:47,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:47,261 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 373 transitions. [2024-11-10 19:05:47,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:05:47,262 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 373 transitions. [2024-11-10 19:05:47,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-10 19:05:47,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:47,263 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:47,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-10 19:05:47,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-10 19:05:47,464 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:47,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:47,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1199455726, now seen corresponding path program 1 times [2024-11-10 19:05:47,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:47,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786947795] [2024-11-10 19:05:47,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:47,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:05:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:05:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:05:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:05:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:05:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:05:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,566 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:05:47,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:47,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786947795] [2024-11-10 19:05:47,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786947795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:47,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:47,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:47,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717540405] [2024-11-10 19:05:47,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:47,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:47,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:47,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:47,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:47,568 INFO L87 Difference]: Start difference. First operand 297 states and 373 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 19:05:47,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:47,626 INFO L93 Difference]: Finished difference Result 297 states and 373 transitions. [2024-11-10 19:05:47,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:47,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 61 [2024-11-10 19:05:47,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:47,629 INFO L225 Difference]: With dead ends: 297 [2024-11-10 19:05:47,629 INFO L226 Difference]: Without dead ends: 295 [2024-11-10 19:05:47,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:47,630 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 47 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:47,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 220 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:05:47,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-10 19:05:47,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2024-11-10 19:05:47,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 214 states have (on average 1.4813084112149533) internal successors, (317), 267 states have internal predecessors, (317), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:47,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 367 transitions. [2024-11-10 19:05:47,644 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 367 transitions. Word has length 61 [2024-11-10 19:05:47,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:47,645 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 367 transitions. [2024-11-10 19:05:47,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 19:05:47,645 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 367 transitions. [2024-11-10 19:05:47,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-10 19:05:47,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:47,646 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:47,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 19:05:47,646 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:47,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:47,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1471578133, now seen corresponding path program 1 times [2024-11-10 19:05:47,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:47,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47397409] [2024-11-10 19:05:47,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:47,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:05:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:05:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:05:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:05:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:05:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:05:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,720 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:05:47,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:47,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47397409] [2024-11-10 19:05:47,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47397409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:47,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:47,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:47,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685738599] [2024-11-10 19:05:47,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:47,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:47,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:47,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:47,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:47,724 INFO L87 Difference]: Start difference. First operand 295 states and 367 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 19:05:47,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:47,779 INFO L93 Difference]: Finished difference Result 295 states and 367 transitions. [2024-11-10 19:05:47,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:47,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 62 [2024-11-10 19:05:47,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:47,781 INFO L225 Difference]: With dead ends: 295 [2024-11-10 19:05:47,781 INFO L226 Difference]: Without dead ends: 293 [2024-11-10 19:05:47,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:47,783 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 46 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:47,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 219 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:05:47,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-10 19:05:47,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2024-11-10 19:05:47,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 214 states have (on average 1.4439252336448598) internal successors, (309), 265 states have internal predecessors, (309), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:47,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 359 transitions. [2024-11-10 19:05:47,795 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 359 transitions. Word has length 62 [2024-11-10 19:05:47,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:47,796 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 359 transitions. [2024-11-10 19:05:47,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 19:05:47,796 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 359 transitions. [2024-11-10 19:05:47,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-10 19:05:47,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:47,797 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:47,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 19:05:47,797 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:47,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:47,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1625779243, now seen corresponding path program 1 times [2024-11-10 19:05:47,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:47,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146656968] [2024-11-10 19:05:47,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:47,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:47,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:05:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:05:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:05:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:05:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:05:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:05:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,936 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:05:47,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:47,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146656968] [2024-11-10 19:05:47,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146656968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:47,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:47,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:05:47,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373034675] [2024-11-10 19:05:47,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:47,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:05:47,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:47,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:05:47,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:05:47,941 INFO L87 Difference]: Start difference. First operand 293 states and 359 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-11-10 19:05:48,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:48,344 INFO L93 Difference]: Finished difference Result 297 states and 363 transitions. [2024-11-10 19:05:48,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:05:48,346 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 63 [2024-11-10 19:05:48,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:48,347 INFO L225 Difference]: With dead ends: 297 [2024-11-10 19:05:48,347 INFO L226 Difference]: Without dead ends: 296 [2024-11-10 19:05:48,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:05:48,348 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 297 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:48,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 173 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:05:48,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-10 19:05:48,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 295. [2024-11-10 19:05:48,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 216 states have (on average 1.4398148148148149) internal successors, (311), 267 states have internal predecessors, (311), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:48,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 361 transitions. [2024-11-10 19:05:48,362 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 361 transitions. Word has length 63 [2024-11-10 19:05:48,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:48,363 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 361 transitions. [2024-11-10 19:05:48,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-11-10 19:05:48,363 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 361 transitions. [2024-11-10 19:05:48,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-10 19:05:48,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:48,364 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:48,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 19:05:48,364 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:48,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:48,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1625780684, now seen corresponding path program 1 times [2024-11-10 19:05:48,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:48,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541039749] [2024-11-10 19:05:48,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:48,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:48,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:48,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:05:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:48,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:05:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:48,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:05:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:48,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:05:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:48,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:05:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:48,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:05:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:48,452 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:05:48,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:48,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541039749] [2024-11-10 19:05:48,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541039749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:48,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:48,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:05:48,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440189970] [2024-11-10 19:05:48,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:48,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:05:48,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:48,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:05:48,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:05:48,454 INFO L87 Difference]: Start difference. First operand 295 states and 361 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-11-10 19:05:48,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:48,946 INFO L93 Difference]: Finished difference Result 296 states and 361 transitions. [2024-11-10 19:05:48,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:05:48,947 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 63 [2024-11-10 19:05:48,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:48,949 INFO L225 Difference]: With dead ends: 296 [2024-11-10 19:05:48,949 INFO L226 Difference]: Without dead ends: 295 [2024-11-10 19:05:48,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:05:48,951 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 297 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:48,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 173 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:05:48,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-10 19:05:48,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2024-11-10 19:05:48,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 216 states have (on average 1.4351851851851851) internal successors, (310), 267 states have internal predecessors, (310), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:48,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 360 transitions. [2024-11-10 19:05:48,966 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 360 transitions. Word has length 63 [2024-11-10 19:05:48,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:48,966 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 360 transitions. [2024-11-10 19:05:48,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-11-10 19:05:48,966 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 360 transitions. [2024-11-10 19:05:48,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-10 19:05:48,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:48,967 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:48,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 19:05:48,968 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:48,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:48,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1368169288, now seen corresponding path program 1 times [2024-11-10 19:05:48,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:48,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616525373] [2024-11-10 19:05:48,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:48,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:49,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:49,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:05:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:49,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:05:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:49,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:05:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:49,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:05:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:49,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:05:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:49,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:05:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:49,110 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:05:49,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:49,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616525373] [2024-11-10 19:05:49,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616525373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:49,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:49,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:49,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704830931] [2024-11-10 19:05:49,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:49,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:49,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:49,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:49,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:49,113 INFO L87 Difference]: Start difference. First operand 295 states and 360 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:05:49,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:49,295 INFO L93 Difference]: Finished difference Result 358 states and 434 transitions. [2024-11-10 19:05:49,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:49,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 68 [2024-11-10 19:05:49,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:49,298 INFO L225 Difference]: With dead ends: 358 [2024-11-10 19:05:49,298 INFO L226 Difference]: Without dead ends: 354 [2024-11-10 19:05:49,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:49,299 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 47 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:49,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 158 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:05:49,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-10 19:05:49,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 309. [2024-11-10 19:05:49,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 230 states have (on average 1.4130434782608696) internal successors, (325), 281 states have internal predecessors, (325), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:49,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 375 transitions. [2024-11-10 19:05:49,313 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 375 transitions. Word has length 68 [2024-11-10 19:05:49,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:49,313 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 375 transitions. [2024-11-10 19:05:49,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:05:49,314 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 375 transitions. [2024-11-10 19:05:49,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-10 19:05:49,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:49,315 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:49,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 19:05:49,315 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:49,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:49,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1782804753, now seen corresponding path program 1 times [2024-11-10 19:05:49,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:49,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383523672] [2024-11-10 19:05:49,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:49,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:49,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:49,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:05:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:49,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:05:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:49,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:05:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:49,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:05:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:49,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:05:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:49,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:05:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:49,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 19:05:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:49,447 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:05:49,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:49,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383523672] [2024-11-10 19:05:49,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383523672] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:49,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755310932] [2024-11-10 19:05:49,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:49,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:49,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:49,450 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:49,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 19:05:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:49,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:05:49,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:49,710 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-10 19:05:49,710 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:49,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755310932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:49,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:49,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-10 19:05:49,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148654803] [2024-11-10 19:05:49,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:49,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:49,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:49,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:49,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:05:49,713 INFO L87 Difference]: Start difference. First operand 309 states and 375 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:05:50,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:50,132 INFO L93 Difference]: Finished difference Result 347 states and 426 transitions. [2024-11-10 19:05:50,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:05:50,133 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 74 [2024-11-10 19:05:50,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:50,134 INFO L225 Difference]: With dead ends: 347 [2024-11-10 19:05:50,134 INFO L226 Difference]: Without dead ends: 346 [2024-11-10 19:05:50,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:05:50,135 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 68 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:50,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 137 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:05:50,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-10 19:05:50,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 310. [2024-11-10 19:05:50,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 231 states have (on average 1.406926406926407) internal successors, (325), 282 states have internal predecessors, (325), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:50,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 375 transitions. [2024-11-10 19:05:50,174 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 375 transitions. Word has length 74 [2024-11-10 19:05:50,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:50,175 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 375 transitions. [2024-11-10 19:05:50,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:05:50,175 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 375 transitions. [2024-11-10 19:05:50,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-10 19:05:50,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:50,176 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:50,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-10 19:05:50,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:50,377 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:50,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:50,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1484742400, now seen corresponding path program 1 times [2024-11-10 19:05:50,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:50,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296246086] [2024-11-10 19:05:50,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:50,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:50,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1996345031] [2024-11-10 19:05:50,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:50,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:50,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:50,399 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:50,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 19:05:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:50,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:05:50,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:50,625 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:05:50,626 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:50,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:50,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296246086] [2024-11-10 19:05:50,813 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:50,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996345031] [2024-11-10 19:05:50,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996345031] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:50,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:50,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-10 19:05:50,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341465998] [2024-11-10 19:05:50,814 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:50,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:50,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:50,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:50,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:05:50,815 INFO L87 Difference]: Start difference. First operand 310 states and 375 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:05:51,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:51,146 INFO L93 Difference]: Finished difference Result 350 states and 424 transitions. [2024-11-10 19:05:51,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:51,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 73 [2024-11-10 19:05:51,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:51,148 INFO L225 Difference]: With dead ends: 350 [2024-11-10 19:05:51,148 INFO L226 Difference]: Without dead ends: 348 [2024-11-10 19:05:51,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:05:51,149 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 76 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:51,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 150 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:05:51,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-10 19:05:51,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 311. [2024-11-10 19:05:51,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 232 states have (on average 1.4008620689655173) internal successors, (325), 283 states have internal predecessors, (325), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:51,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 375 transitions. [2024-11-10 19:05:51,163 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 375 transitions. Word has length 73 [2024-11-10 19:05:51,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:51,164 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 375 transitions. [2024-11-10 19:05:51,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:05:51,164 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 375 transitions. [2024-11-10 19:05:51,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-10 19:05:51,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:51,165 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:51,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:51,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:51,369 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:51,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:51,369 INFO L85 PathProgramCache]: Analyzing trace with hash -567627497, now seen corresponding path program 1 times [2024-11-10 19:05:51,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:51,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675078289] [2024-11-10 19:05:51,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:51,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:51,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:51,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:05:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:51,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:05:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:51,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:05:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:51,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:05:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:51,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:05:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:51,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:05:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:51,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 19:05:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:51,623 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:05:51,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:51,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675078289] [2024-11-10 19:05:51,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675078289] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:51,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631898850] [2024-11-10 19:05:51,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:51,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:51,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:51,625 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:51,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-10 19:05:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:51,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:05:51,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:51,879 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-10 19:05:51,879 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:51,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631898850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:51,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:51,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-10 19:05:51,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962707054] [2024-11-10 19:05:51,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:51,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:51,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:51,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:51,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:05:51,881 INFO L87 Difference]: Start difference. First operand 311 states and 375 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:05:52,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:52,418 INFO L93 Difference]: Finished difference Result 347 states and 422 transitions. [2024-11-10 19:05:52,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:52,419 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 75 [2024-11-10 19:05:52,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:52,420 INFO L225 Difference]: With dead ends: 347 [2024-11-10 19:05:52,420 INFO L226 Difference]: Without dead ends: 346 [2024-11-10 19:05:52,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:05:52,421 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 64 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:52,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 145 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:05:52,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-10 19:05:52,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 312. [2024-11-10 19:05:52,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 233 states have (on average 1.3948497854077253) internal successors, (325), 284 states have internal predecessors, (325), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:52,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 375 transitions. [2024-11-10 19:05:52,437 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 375 transitions. Word has length 75 [2024-11-10 19:05:52,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:52,437 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 375 transitions. [2024-11-10 19:05:52,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:05:52,437 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 375 transitions. [2024-11-10 19:05:52,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-10 19:05:52,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:52,438 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:52,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-10 19:05:52,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:52,639 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:52,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:52,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1217625954, now seen corresponding path program 1 times [2024-11-10 19:05:52,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:52,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716558637] [2024-11-10 19:05:52,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:52,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:52,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [92125022] [2024-11-10 19:05:52,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:52,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:52,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:52,654 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:52,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-10 19:05:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:52,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:05:52,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:52,903 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:05:52,904 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:53,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:53,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716558637] [2024-11-10 19:05:53,609 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:53,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92125022] [2024-11-10 19:05:53,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92125022] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:53,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:53,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-10 19:05:53,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442141763] [2024-11-10 19:05:53,611 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:53,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:53,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:53,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:53,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:05:53,612 INFO L87 Difference]: Start difference. First operand 312 states and 375 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:05:54,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:54,134 INFO L93 Difference]: Finished difference Result 350 states and 420 transitions. [2024-11-10 19:05:54,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:54,134 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 74 [2024-11-10 19:05:54,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:54,136 INFO L225 Difference]: With dead ends: 350 [2024-11-10 19:05:54,136 INFO L226 Difference]: Without dead ends: 348 [2024-11-10 19:05:54,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:05:54,137 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 38 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:54,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 205 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:05:54,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-10 19:05:54,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 313. [2024-11-10 19:05:54,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 234 states have (on average 1.3888888888888888) internal successors, (325), 285 states have internal predecessors, (325), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:54,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 375 transitions. [2024-11-10 19:05:54,152 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 375 transitions. Word has length 74 [2024-11-10 19:05:54,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:54,153 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 375 transitions. [2024-11-10 19:05:54,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:05:54,153 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 375 transitions. [2024-11-10 19:05:54,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-10 19:05:54,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:54,154 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:54,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:54,354 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,SelfDestructingSolverStorable21 [2024-11-10 19:05:54,355 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:54,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:54,355 INFO L85 PathProgramCache]: Analyzing trace with hash -998891140, now seen corresponding path program 1 times [2024-11-10 19:05:54,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:54,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075935504] [2024-11-10 19:05:54,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:54,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:54,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1413778723] [2024-11-10 19:05:54,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:54,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:54,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:54,371 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:54,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-10 19:05:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:54,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:54,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:54,490 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:05:54,491 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:54,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:54,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075935504] [2024-11-10 19:05:54,491 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:54,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413778723] [2024-11-10 19:05:54,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413778723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:54,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:54,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:54,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245653602] [2024-11-10 19:05:54,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:54,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:54,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:54,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:54,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:54,493 INFO L87 Difference]: Start difference. First operand 313 states and 375 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:05:55,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:55,351 INFO L93 Difference]: Finished difference Result 365 states and 420 transitions. [2024-11-10 19:05:55,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:55,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 77 [2024-11-10 19:05:55,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:55,353 INFO L225 Difference]: With dead ends: 365 [2024-11-10 19:05:55,353 INFO L226 Difference]: Without dead ends: 364 [2024-11-10 19:05:55,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:55,353 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 81 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:55,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 230 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:05:55,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-10 19:05:55,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 313. [2024-11-10 19:05:55,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 234 states have (on average 1.3846153846153846) internal successors, (324), 285 states have internal predecessors, (324), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:55,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 374 transitions. [2024-11-10 19:05:55,369 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 374 transitions. Word has length 77 [2024-11-10 19:05:55,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:55,370 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 374 transitions. [2024-11-10 19:05:55,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:05:55,370 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 374 transitions. [2024-11-10 19:05:55,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-10 19:05:55,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:55,371 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:55,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-10 19:05:55,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:55,576 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:55,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:55,576 INFO L85 PathProgramCache]: Analyzing trace with hash -900854178, now seen corresponding path program 1 times [2024-11-10 19:05:55,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:55,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775780624] [2024-11-10 19:05:55,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:55,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:55,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1374198242] [2024-11-10 19:05:55,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:55,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:55,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:55,594 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:55,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-10 19:05:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:55,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:55,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:55,844 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:05:55,844 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:55,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:55,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775780624] [2024-11-10 19:05:55,844 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:55,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374198242] [2024-11-10 19:05:55,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374198242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:55,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:55,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:55,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457359814] [2024-11-10 19:05:55,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:55,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:55,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:55,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:55,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:55,846 INFO L87 Difference]: Start difference. First operand 313 states and 374 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:05:56,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:56,473 INFO L93 Difference]: Finished difference Result 367 states and 419 transitions. [2024-11-10 19:05:56,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:56,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 78 [2024-11-10 19:05:56,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:56,475 INFO L225 Difference]: With dead ends: 367 [2024-11-10 19:05:56,475 INFO L226 Difference]: Without dead ends: 364 [2024-11-10 19:05:56,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:56,476 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 119 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:56,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 181 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:05:56,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-10 19:05:56,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 316. [2024-11-10 19:05:56,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 237 states have (on average 1.379746835443038) internal successors, (327), 288 states have internal predecessors, (327), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-10 19:05:56,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 377 transitions. [2024-11-10 19:05:56,492 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 377 transitions. Word has length 78 [2024-11-10 19:05:56,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:56,492 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 377 transitions. [2024-11-10 19:05:56,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:05:56,492 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 377 transitions. [2024-11-10 19:05:56,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-10 19:05:56,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:56,493 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:56,510 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-10 19:05:56,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:56,698 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:56,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:56,698 INFO L85 PathProgramCache]: Analyzing trace with hash -12108143, now seen corresponding path program 1 times [2024-11-10 19:05:56,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:56,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031052460] [2024-11-10 19:05:56,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:56,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:56,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [524699406] [2024-11-10 19:05:56,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:56,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:56,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:56,713 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:56,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-10 19:05:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:56,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:05:56,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:57,052 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:05:57,053 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:57,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:57,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031052460] [2024-11-10 19:05:57,190 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:57,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524699406] [2024-11-10 19:05:57,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524699406] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:57,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:57,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 19:05:57,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234964072] [2024-11-10 19:05:57,191 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:57,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:05:57,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:57,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:05:57,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:05:57,192 INFO L87 Difference]: Start difference. First operand 316 states and 377 transitions. Second operand has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:05:57,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:57,863 INFO L93 Difference]: Finished difference Result 514 states and 639 transitions. [2024-11-10 19:05:57,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:05:57,864 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 84 [2024-11-10 19:05:57,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:57,865 INFO L225 Difference]: With dead ends: 514 [2024-11-10 19:05:57,865 INFO L226 Difference]: Without dead ends: 510 [2024-11-10 19:05:57,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:05:57,866 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 237 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:57,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 339 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:05:57,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-10 19:05:57,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 400. [2024-11-10 19:05:57,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 312 states have (on average 1.4134615384615385) internal successors, (441), 363 states have internal predecessors, (441), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-10 19:05:57,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 509 transitions. [2024-11-10 19:05:57,886 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 509 transitions. Word has length 84 [2024-11-10 19:05:57,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:57,887 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 509 transitions. [2024-11-10 19:05:57,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:05:57,887 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 509 transitions. [2024-11-10 19:05:57,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-10 19:05:57,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:57,888 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:57,904 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-10 19:05:58,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:58,093 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:05:58,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:58,093 INFO L85 PathProgramCache]: Analyzing trace with hash -375352348, now seen corresponding path program 1 times [2024-11-10 19:05:58,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:58,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885255881] [2024-11-10 19:05:58,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:58,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:58,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1392668498] [2024-11-10 19:05:58,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:58,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:58,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:58,114 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:58,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-10 19:05:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:58,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:05:58,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:58,447 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:05:58,448 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:59,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:59,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885255881] [2024-11-10 19:05:59,418 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:59,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392668498] [2024-11-10 19:05:59,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392668498] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:59,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:59,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 19:05:59,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868547570] [2024-11-10 19:05:59,418 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:59,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:05:59,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:59,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:05:59,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:05:59,420 INFO L87 Difference]: Start difference. First operand 400 states and 509 transitions. Second operand has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:05:59,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:59,964 INFO L93 Difference]: Finished difference Result 430 states and 534 transitions. [2024-11-10 19:05:59,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:05:59,965 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 85 [2024-11-10 19:05:59,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:59,966 INFO L225 Difference]: With dead ends: 430 [2024-11-10 19:05:59,966 INFO L226 Difference]: Without dead ends: 424 [2024-11-10 19:05:59,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:05:59,967 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 194 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:59,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 391 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:05:59,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-10 19:05:59,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 394. [2024-11-10 19:05:59,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 312 states have (on average 1.3653846153846154) internal successors, (426), 357 states have internal predecessors, (426), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-10 19:05:59,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 494 transitions. [2024-11-10 19:05:59,983 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 494 transitions. Word has length 85 [2024-11-10 19:05:59,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:59,984 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 494 transitions. [2024-11-10 19:05:59,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:05:59,984 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 494 transitions. [2024-11-10 19:05:59,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-10 19:05:59,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:59,985 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:00,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-10 19:06:00,185 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,SelfDestructingSolverStorable25 [2024-11-10 19:06:00,186 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:00,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:00,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1248979183, now seen corresponding path program 1 times [2024-11-10 19:06:00,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:00,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832805830] [2024-11-10 19:06:00,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:00,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:00,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [205327779] [2024-11-10 19:06:00,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:00,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:00,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:00,199 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:00,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-10 19:06:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:00,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 19:06:00,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:00,716 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:06:00,716 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:00,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:00,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832805830] [2024-11-10 19:06:00,878 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:00,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205327779] [2024-11-10 19:06:00,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205327779] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:00,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:00,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:06:00,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129896629] [2024-11-10 19:06:00,879 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:00,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:06:00,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:00,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:06:00,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:06:00,880 INFO L87 Difference]: Start difference. First operand 394 states and 494 transitions. Second operand has 9 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-10 19:06:01,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:01,959 INFO L93 Difference]: Finished difference Result 548 states and 710 transitions. [2024-11-10 19:06:01,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:06:01,960 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) Word has length 86 [2024-11-10 19:06:01,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:01,962 INFO L225 Difference]: With dead ends: 548 [2024-11-10 19:06:01,962 INFO L226 Difference]: Without dead ends: 541 [2024-11-10 19:06:01,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:06:01,963 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 333 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:01,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 364 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 19:06:01,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-11-10 19:06:01,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 498. [2024-11-10 19:06:01,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 406 states have (on average 1.4064039408866995) internal successors, (571), 451 states have internal predecessors, (571), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-10 19:06:01,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 659 transitions. [2024-11-10 19:06:01,988 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 659 transitions. Word has length 86 [2024-11-10 19:06:01,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:01,988 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 659 transitions. [2024-11-10 19:06:01,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-10 19:06:01,989 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 659 transitions. [2024-11-10 19:06:01,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-10 19:06:01,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:01,990 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:02,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:02,192 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,SelfDestructingSolverStorable26 [2024-11-10 19:06:02,193 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:02,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:02,193 INFO L85 PathProgramCache]: Analyzing trace with hash 63649090, now seen corresponding path program 1 times [2024-11-10 19:06:02,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:02,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497166104] [2024-11-10 19:06:02,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:02,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:02,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [500417756] [2024-11-10 19:06:02,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:02,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:02,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:02,208 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:02,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-10 19:06:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:02,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 19:06:02,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:02,692 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:06:02,693 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:04,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:04,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497166104] [2024-11-10 19:06:04,578 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:04,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500417756] [2024-11-10 19:06:04,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500417756] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:04,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:04,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:06:04,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526483663] [2024-11-10 19:06:04,579 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:04,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:06:04,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:04,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:06:04,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=97, Unknown=1, NotChecked=0, Total=132 [2024-11-10 19:06:04,580 INFO L87 Difference]: Start difference. First operand 498 states and 659 transitions. Second operand has 9 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-10 19:06:05,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:05,587 INFO L93 Difference]: Finished difference Result 608 states and 802 transitions. [2024-11-10 19:06:05,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:06:05,587 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) Word has length 87 [2024-11-10 19:06:05,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:05,589 INFO L225 Difference]: With dead ends: 608 [2024-11-10 19:06:05,589 INFO L226 Difference]: Without dead ends: 606 [2024-11-10 19:06:05,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=81, Invalid=190, Unknown=1, NotChecked=0, Total=272 [2024-11-10 19:06:05,590 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 474 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 921 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:05,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 282 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 921 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:06:05,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2024-11-10 19:06:05,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 537. [2024-11-10 19:06:05,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 441 states have (on average 1.401360544217687) internal successors, (618), 486 states have internal predecessors, (618), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-10 19:06:05,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 714 transitions. [2024-11-10 19:06:05,618 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 714 transitions. Word has length 87 [2024-11-10 19:06:05,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:05,618 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 714 transitions. [2024-11-10 19:06:05,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-10 19:06:05,619 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 714 transitions. [2024-11-10 19:06:05,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-10 19:06:05,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:05,619 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:05,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:05,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-10 19:06:05,821 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:05,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:05,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1973121869, now seen corresponding path program 1 times [2024-11-10 19:06:05,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:05,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483407927] [2024-11-10 19:06:05,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:05,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:05,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [794496799] [2024-11-10 19:06:05,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:05,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:05,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:05,838 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:05,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-10 19:06:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:05,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-10 19:06:05,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:06,479 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-10 19:06:06,479 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:06,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:06,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483407927] [2024-11-10 19:06:06,702 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:06,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794496799] [2024-11-10 19:06:06,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794496799] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:06,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:06,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 19:06:06,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415854504] [2024-11-10 19:06:06,703 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:06,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:06:06,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:06,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:06:06,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:06:06,704 INFO L87 Difference]: Start difference. First operand 537 states and 714 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-10 19:06:07,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:07,908 INFO L93 Difference]: Finished difference Result 606 states and 796 transitions. [2024-11-10 19:06:07,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:06:07,908 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 88 [2024-11-10 19:06:07,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:07,910 INFO L225 Difference]: With dead ends: 606 [2024-11-10 19:06:07,910 INFO L226 Difference]: Without dead ends: 602 [2024-11-10 19:06:07,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:06:07,911 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 428 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 1531 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:07,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 386 Invalid, 1560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1531 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 19:06:07,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-11-10 19:06:07,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 475. [2024-11-10 19:06:07,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 386 states have (on average 1.38860103626943) internal successors, (536), 431 states have internal predecessors, (536), 41 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-10 19:06:07,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 618 transitions. [2024-11-10 19:06:07,937 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 618 transitions. Word has length 88 [2024-11-10 19:06:07,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:07,937 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 618 transitions. [2024-11-10 19:06:07,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-10 19:06:07,937 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 618 transitions. [2024-11-10 19:06:07,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-10 19:06:07,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:07,938 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:07,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-10 19:06:08,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:08,143 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:08,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:08,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1037235872, now seen corresponding path program 1 times [2024-11-10 19:06:08,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:08,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860937948] [2024-11-10 19:06:08,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:08,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:08,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [999711774] [2024-11-10 19:06:08,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:08,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:08,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:08,165 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:08,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-10 19:06:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:08,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:06:08,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:08,531 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:06:08,531 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:08,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:08,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860937948] [2024-11-10 19:06:08,834 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:08,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999711774] [2024-11-10 19:06:08,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999711774] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:08,834 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:08,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:06:08,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748600688] [2024-11-10 19:06:08,834 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:08,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:06:08,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:08,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:06:08,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:06:08,835 INFO L87 Difference]: Start difference. First operand 475 states and 618 transitions. Second operand has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:06:09,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:09,773 INFO L93 Difference]: Finished difference Result 545 states and 710 transitions. [2024-11-10 19:06:09,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:06:09,773 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 89 [2024-11-10 19:06:09,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:09,775 INFO L225 Difference]: With dead ends: 545 [2024-11-10 19:06:09,775 INFO L226 Difference]: Without dead ends: 541 [2024-11-10 19:06:09,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:06:09,776 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 246 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:09,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 366 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:06:09,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-11-10 19:06:09,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 511. [2024-11-10 19:06:09,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 422 states have (on average 1.3815165876777251) internal successors, (583), 464 states have internal predecessors, (583), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-10 19:06:09,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 671 transitions. [2024-11-10 19:06:09,805 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 671 transitions. Word has length 89 [2024-11-10 19:06:09,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:09,805 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 671 transitions. [2024-11-10 19:06:09,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:06:09,805 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 671 transitions. [2024-11-10 19:06:09,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-10 19:06:09,806 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:09,806 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:09,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-10 19:06:10,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:10,011 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:10,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:10,011 INFO L85 PathProgramCache]: Analyzing trace with hash -337849590, now seen corresponding path program 1 times [2024-11-10 19:06:10,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:10,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946109031] [2024-11-10 19:06:10,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:10,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:10,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [991542792] [2024-11-10 19:06:10,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:10,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:10,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:10,025 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:10,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-10 19:06:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:10,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:06:10,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:10,360 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 3 proven. 26 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-10 19:06:10,360 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:10,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:10,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946109031] [2024-11-10 19:06:10,454 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:10,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991542792] [2024-11-10 19:06:10,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991542792] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:10,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:10,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:06:10,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253444643] [2024-11-10 19:06:10,455 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:10,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:06:10,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:10,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:06:10,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:06:10,456 INFO L87 Difference]: Start difference. First operand 511 states and 671 transitions. Second operand has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:06:10,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:10,947 INFO L93 Difference]: Finished difference Result 812 states and 1109 transitions. [2024-11-10 19:06:10,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:06:10,947 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 95 [2024-11-10 19:06:10,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:10,949 INFO L225 Difference]: With dead ends: 812 [2024-11-10 19:06:10,949 INFO L226 Difference]: Without dead ends: 810 [2024-11-10 19:06:10,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:06:10,950 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 207 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:10,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 328 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:06:10,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2024-11-10 19:06:10,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 752. [2024-11-10 19:06:10,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 637 states have (on average 1.4097331240188382) internal successors, (898), 679 states have internal predecessors, (898), 70 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-10 19:06:10,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1038 transitions. [2024-11-10 19:06:10,994 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1038 transitions. Word has length 95 [2024-11-10 19:06:10,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:10,995 INFO L471 AbstractCegarLoop]: Abstraction has 752 states and 1038 transitions. [2024-11-10 19:06:10,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:06:10,995 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1038 transitions. [2024-11-10 19:06:10,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-10 19:06:10,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:10,996 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:11,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:11,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-10 19:06:11,197 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:11,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:11,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1883402626, now seen corresponding path program 1 times [2024-11-10 19:06:11,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:11,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250619145] [2024-11-10 19:06:11,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:11,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:11,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [71977759] [2024-11-10 19:06:11,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:11,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:11,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:11,213 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:11,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-10 19:06:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:11,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:06:11,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:11,587 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-10 19:06:11,587 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:12,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:12,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250619145] [2024-11-10 19:06:12,328 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:12,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71977759] [2024-11-10 19:06:12,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71977759] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:12,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:12,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:06:12,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444086892] [2024-11-10 19:06:12,328 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:12,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:06:12,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:12,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:06:12,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:06:12,330 INFO L87 Difference]: Start difference. First operand 752 states and 1038 transitions. Second operand has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:06:12,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:12,633 INFO L93 Difference]: Finished difference Result 757 states and 1041 transitions. [2024-11-10 19:06:12,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:06:12,633 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 96 [2024-11-10 19:06:12,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:12,636 INFO L225 Difference]: With dead ends: 757 [2024-11-10 19:06:12,636 INFO L226 Difference]: Without dead ends: 751 [2024-11-10 19:06:12,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:06:12,639 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 131 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:12,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 383 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:06:12,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2024-11-10 19:06:12,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 611. [2024-11-10 19:06:12,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 515 states have (on average 1.3223300970873786) internal successors, (681), 551 states have internal predecessors, (681), 57 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-10 19:06:12,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 795 transitions. [2024-11-10 19:06:12,673 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 795 transitions. Word has length 96 [2024-11-10 19:06:12,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:12,674 INFO L471 AbstractCegarLoop]: Abstraction has 611 states and 795 transitions. [2024-11-10 19:06:12,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:06:12,674 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 795 transitions. [2024-11-10 19:06:12,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-10 19:06:12,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:12,675 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:12,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:12,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-10 19:06:12,879 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:12,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:12,880 INFO L85 PathProgramCache]: Analyzing trace with hash -288500045, now seen corresponding path program 1 times [2024-11-10 19:06:12,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:12,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466801903] [2024-11-10 19:06:12,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:12,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:12,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:12,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:06:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:12,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:06:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:12,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:06:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:12,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:06:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:12,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:06:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:12,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:06:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:12,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 19:06:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:12,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 19:06:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:13,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 19:06:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:13,003 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-10 19:06:13,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:13,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466801903] [2024-11-10 19:06:13,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466801903] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:13,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054858108] [2024-11-10 19:06:13,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:13,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:13,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:13,006 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:13,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-10 19:06:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:13,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:06:13,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:13,235 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:13,235 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:06:13,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054858108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:06:13,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:13,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-10 19:06:13,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950784096] [2024-11-10 19:06:13,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:06:13,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:06:13,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:13,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:06:13,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:06:13,236 INFO L87 Difference]: Start difference. First operand 611 states and 795 transitions. Second operand has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-10 19:06:13,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:13,593 INFO L93 Difference]: Finished difference Result 614 states and 798 transitions. [2024-11-10 19:06:13,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:06:13,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 100 [2024-11-10 19:06:13,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:13,595 INFO L225 Difference]: With dead ends: 614 [2024-11-10 19:06:13,595 INFO L226 Difference]: Without dead ends: 613 [2024-11-10 19:06:13,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:06:13,596 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 15 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:13,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 107 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:06:13,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2024-11-10 19:06:13,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 612. [2024-11-10 19:06:13,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 516 states have (on average 1.321705426356589) internal successors, (682), 552 states have internal predecessors, (682), 57 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-10 19:06:13,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 796 transitions. [2024-11-10 19:06:13,653 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 796 transitions. Word has length 100 [2024-11-10 19:06:13,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:13,653 INFO L471 AbstractCegarLoop]: Abstraction has 612 states and 796 transitions. [2024-11-10 19:06:13,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-10 19:06:13,655 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 796 transitions. [2024-11-10 19:06:13,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-10 19:06:13,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:13,656 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:06:13,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:13,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:13,857 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:13,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:13,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1005193222, now seen corresponding path program 1 times [2024-11-10 19:06:13,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:13,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531338682] [2024-11-10 19:06:13,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:13,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:13,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [520182876] [2024-11-10 19:06:13,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:13,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:13,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:13,874 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:13,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-10 19:06:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:13,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-10 19:06:13,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:14,541 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-10 19:06:14,541 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:14,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:14,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531338682] [2024-11-10 19:06:14,804 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:14,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520182876] [2024-11-10 19:06:14,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520182876] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:14,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:14,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-10 19:06:14,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317012105] [2024-11-10 19:06:14,804 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:14,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:06:14,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:14,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:06:14,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:06:14,806 INFO L87 Difference]: Start difference. First operand 612 states and 796 transitions. Second operand has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 5 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:06:15,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:15,960 INFO L93 Difference]: Finished difference Result 808 states and 1072 transitions. [2024-11-10 19:06:15,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 19:06:15,961 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 5 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 5 states have call successors, (9) Word has length 99 [2024-11-10 19:06:15,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:15,963 INFO L225 Difference]: With dead ends: 808 [2024-11-10 19:06:15,963 INFO L226 Difference]: Without dead ends: 803 [2024-11-10 19:06:15,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:06:15,963 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 464 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 1767 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:15,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 322 Invalid, 1808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1767 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 19:06:15,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2024-11-10 19:06:15,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 622. [2024-11-10 19:06:15,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 525 states have (on average 1.339047619047619) internal successors, (703), 561 states have internal predecessors, (703), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-10 19:06:15,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 819 transitions. [2024-11-10 19:06:15,996 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 819 transitions. Word has length 99 [2024-11-10 19:06:15,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:15,996 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 819 transitions. [2024-11-10 19:06:15,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 5 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:06:15,997 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 819 transitions. [2024-11-10 19:06:15,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-10 19:06:15,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:15,998 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:16,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-10 19:06:16,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:16,198 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:16,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:16,199 INFO L85 PathProgramCache]: Analyzing trace with hash -353566829, now seen corresponding path program 1 times [2024-11-10 19:06:16,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:16,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220821265] [2024-11-10 19:06:16,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:16,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:16,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:16,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:06:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:16,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:06:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:16,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:06:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:16,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:06:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:16,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:06:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:16,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:06:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:16,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 19:06:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:16,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-10 19:06:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:16,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 19:06:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:16,381 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-10 19:06:16,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:16,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220821265] [2024-11-10 19:06:16,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220821265] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:16,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826423227] [2024-11-10 19:06:16,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:16,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:16,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:16,384 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:16,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-10 19:06:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:16,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:06:16,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:16,686 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:16,687 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:06:16,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826423227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:06:16,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:16,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-11-10 19:06:16,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353823034] [2024-11-10 19:06:16,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:06:16,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:06:16,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:16,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:06:16,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:06:16,688 INFO L87 Difference]: Start difference. First operand 622 states and 819 transitions. Second operand has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-10 19:06:16,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:16,986 INFO L93 Difference]: Finished difference Result 625 states and 821 transitions. [2024-11-10 19:06:16,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:06:16,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 101 [2024-11-10 19:06:16,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:16,989 INFO L225 Difference]: With dead ends: 625 [2024-11-10 19:06:16,989 INFO L226 Difference]: Without dead ends: 595 [2024-11-10 19:06:16,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:06:16,990 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 14 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:16,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 109 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:06:16,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2024-11-10 19:06:17,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 595. [2024-11-10 19:06:17,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 501 states have (on average 1.3512974051896207) internal successors, (677), 537 states have internal predecessors, (677), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-10 19:06:17,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 787 transitions. [2024-11-10 19:06:17,017 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 787 transitions. Word has length 101 [2024-11-10 19:06:17,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:17,017 INFO L471 AbstractCegarLoop]: Abstraction has 595 states and 787 transitions. [2024-11-10 19:06:17,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-10 19:06:17,017 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 787 transitions. [2024-11-10 19:06:17,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-10 19:06:17,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:17,018 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:06:17,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:17,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:17,218 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:17,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:17,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1096218874, now seen corresponding path program 1 times [2024-11-10 19:06:17,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:17,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389325055] [2024-11-10 19:06:17,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:17,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:17,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1598039716] [2024-11-10 19:06:17,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:17,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:17,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:17,238 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:17,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-10 19:06:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:17,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:06:17,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:17,570 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 25 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-10 19:06:17,570 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:17,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:17,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389325055] [2024-11-10 19:06:17,773 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:17,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598039716] [2024-11-10 19:06:17,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598039716] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:17,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:17,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:06:17,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609590678] [2024-11-10 19:06:17,773 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:17,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:06:17,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:17,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:06:17,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:06:17,774 INFO L87 Difference]: Start difference. First operand 595 states and 787 transitions. Second operand has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-10 19:06:18,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:18,778 INFO L93 Difference]: Finished difference Result 606 states and 798 transitions. [2024-11-10 19:06:18,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:06:18,778 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 100 [2024-11-10 19:06:18,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:18,780 INFO L225 Difference]: With dead ends: 606 [2024-11-10 19:06:18,780 INFO L226 Difference]: Without dead ends: 602 [2024-11-10 19:06:18,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:06:18,781 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 148 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:18,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 349 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 19:06:18,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-11-10 19:06:18,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 599. [2024-11-10 19:06:18,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 507 states have (on average 1.3214990138067062) internal successors, (670), 540 states have internal predecessors, (670), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-10 19:06:18,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 782 transitions. [2024-11-10 19:06:18,821 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 782 transitions. Word has length 100 [2024-11-10 19:06:18,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:18,822 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 782 transitions. [2024-11-10 19:06:18,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-10 19:06:18,822 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 782 transitions. [2024-11-10 19:06:18,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 19:06:18,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:18,823 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:06:18,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:19,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-10 19:06:19,028 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:19,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:19,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1031414978, now seen corresponding path program 1 times [2024-11-10 19:06:19,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:19,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631790985] [2024-11-10 19:06:19,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:19,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:06:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:06:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:06:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:06:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:06:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:06:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:06:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:06:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:06:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,137 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:19,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:19,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631790985] [2024-11-10 19:06:19,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631790985] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:19,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652169600] [2024-11-10 19:06:19,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:19,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:19,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:19,139 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:19,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-10 19:06:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:19,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:06:19,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:19,357 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:19,357 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:19,516 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:19,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652169600] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:06:19,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:06:19,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-10 19:06:19,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77250209] [2024-11-10 19:06:19,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:19,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:06:19,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:19,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:06:19,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:06:19,518 INFO L87 Difference]: Start difference. First operand 599 states and 782 transitions. Second operand has 14 states, 13 states have (on average 13.923076923076923) internal successors, (181), 14 states have internal predecessors, (181), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-10 19:06:20,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:20,558 INFO L93 Difference]: Finished difference Result 1007 states and 1300 transitions. [2024-11-10 19:06:20,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-10 19:06:20,559 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.923076923076923) internal successors, (181), 14 states have internal predecessors, (181), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 109 [2024-11-10 19:06:20,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:20,562 INFO L225 Difference]: With dead ends: 1007 [2024-11-10 19:06:20,563 INFO L226 Difference]: Without dead ends: 1006 [2024-11-10 19:06:20,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=582, Invalid=1580, Unknown=0, NotChecked=0, Total=2162 [2024-11-10 19:06:20,564 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 1289 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1289 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:20,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1289 Valid, 630 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:06:20,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1006 states. [2024-11-10 19:06:20,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1006 to 791. [2024-11-10 19:06:20,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 681 states have (on average 1.3465491923641704) internal successors, (917), 714 states have internal predecessors, (917), 74 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-10 19:06:20,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1065 transitions. [2024-11-10 19:06:20,615 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1065 transitions. Word has length 109 [2024-11-10 19:06:20,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:20,615 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1065 transitions. [2024-11-10 19:06:20,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.923076923076923) internal successors, (181), 14 states have internal predecessors, (181), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-10 19:06:20,615 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1065 transitions. [2024-11-10 19:06:20,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 19:06:20,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:20,616 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:06:20,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-10 19:06:20,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-10 19:06:20,821 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:20,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:20,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1773845457, now seen corresponding path program 1 times [2024-11-10 19:06:20,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:20,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492524416] [2024-11-10 19:06:20,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:20,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:20,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:20,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:06:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:20,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:06:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:20,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:06:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:20,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:06:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:20,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:06:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:20,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:06:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:20,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:06:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:20,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:06:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:20,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:06:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:20,922 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:20,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:20,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492524416] [2024-11-10 19:06:20,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492524416] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:20,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644674060] [2024-11-10 19:06:20,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:20,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:20,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:20,924 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:20,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-10 19:06:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:20,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:06:20,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:21,161 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:21,161 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:21,335 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:21,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644674060] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:06:21,336 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:06:21,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 15 [2024-11-10 19:06:21,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009043979] [2024-11-10 19:06:21,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:21,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 19:06:21,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:21,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 19:06:21,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:06:21,337 INFO L87 Difference]: Start difference. First operand 791 states and 1065 transitions. Second operand has 16 states, 15 states have (on average 12.0) internal successors, (180), 16 states have internal predecessors, (180), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-10 19:06:22,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:22,422 INFO L93 Difference]: Finished difference Result 1225 states and 1608 transitions. [2024-11-10 19:06:22,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-10 19:06:22,422 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 12.0) internal successors, (180), 16 states have internal predecessors, (180), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) Word has length 109 [2024-11-10 19:06:22,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:22,425 INFO L225 Difference]: With dead ends: 1225 [2024-11-10 19:06:22,425 INFO L226 Difference]: Without dead ends: 1224 [2024-11-10 19:06:22,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 791 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=731, Invalid=2025, Unknown=0, NotChecked=0, Total=2756 [2024-11-10 19:06:22,427 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 1180 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:22,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 574 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:06:22,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2024-11-10 19:06:22,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 1035. [2024-11-10 19:06:22,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 903 states have (on average 1.3676633444075303) internal successors, (1235), 936 states have internal predecessors, (1235), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-10 19:06:22,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1427 transitions. [2024-11-10 19:06:22,485 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1427 transitions. Word has length 109 [2024-11-10 19:06:22,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:22,485 INFO L471 AbstractCegarLoop]: Abstraction has 1035 states and 1427 transitions. [2024-11-10 19:06:22,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 12.0) internal successors, (180), 16 states have internal predecessors, (180), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-10 19:06:22,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1427 transitions. [2024-11-10 19:06:22,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 19:06:22,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:22,486 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:22,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:22,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-10 19:06:22,687 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:22,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:22,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1773844016, now seen corresponding path program 1 times [2024-11-10 19:06:22,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:22,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656816099] [2024-11-10 19:06:22,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:22,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:22,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:22,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:06:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:22,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:06:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:22,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:06:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:22,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:06:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:22,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:06:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:22,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:06:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:22,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:06:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:22,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:06:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:22,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:06:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:22,805 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:22,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:22,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656816099] [2024-11-10 19:06:22,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656816099] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:22,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706942837] [2024-11-10 19:06:22,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:22,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:22,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:22,808 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:22,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-10 19:06:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:22,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:06:22,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:23,073 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:23,073 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:23,202 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:23,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706942837] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:06:23,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:06:23,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-10 19:06:23,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70640914] [2024-11-10 19:06:23,203 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:23,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:06:23,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:23,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:06:23,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:06:23,204 INFO L87 Difference]: Start difference. First operand 1035 states and 1427 transitions. Second operand has 13 states, 12 states have (on average 15.0) internal successors, (180), 13 states have internal predecessors, (180), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-11-10 19:06:23,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:23,870 INFO L93 Difference]: Finished difference Result 1284 states and 1702 transitions. [2024-11-10 19:06:23,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 19:06:23,871 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.0) internal successors, (180), 13 states have internal predecessors, (180), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) Word has length 109 [2024-11-10 19:06:23,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:23,874 INFO L225 Difference]: With dead ends: 1284 [2024-11-10 19:06:23,874 INFO L226 Difference]: Without dead ends: 1283 [2024-11-10 19:06:23,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2024-11-10 19:06:23,875 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 750 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 753 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:23,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [753 Valid, 547 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:06:23,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2024-11-10 19:06:23,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1105. [2024-11-10 19:06:23,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 967 states have (on average 1.3516028955532575) internal successors, (1307), 1000 states have internal predecessors, (1307), 102 states have call successors, (102), 2 states have call predecessors, (102), 2 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-10 19:06:23,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1511 transitions. [2024-11-10 19:06:23,934 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1511 transitions. Word has length 109 [2024-11-10 19:06:23,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:23,935 INFO L471 AbstractCegarLoop]: Abstraction has 1105 states and 1511 transitions. [2024-11-10 19:06:23,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.0) internal successors, (180), 13 states have internal predecessors, (180), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-11-10 19:06:23,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1511 transitions. [2024-11-10 19:06:23,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-10 19:06:23,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:23,936 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-10 19:06:23,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:24,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-10 19:06:24,136 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:24,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:24,137 INFO L85 PathProgramCache]: Analyzing trace with hash 437918862, now seen corresponding path program 1 times [2024-11-10 19:06:24,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:24,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194999239] [2024-11-10 19:06:24,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:24,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:24,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:24,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:06:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:24,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:06:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:24,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:06:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:24,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:06:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:24,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:06:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:24,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:06:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:24,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:06:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:24,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:06:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:24,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:06:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:24,227 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:24,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:24,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194999239] [2024-11-10 19:06:24,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194999239] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:24,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544790139] [2024-11-10 19:06:24,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:24,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:24,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:24,229 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:24,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-10 19:06:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:24,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:06:24,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:24,422 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:24,422 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:24,539 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:24,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544790139] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:06:24,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:06:24,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-10 19:06:24,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73983265] [2024-11-10 19:06:24,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:24,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:06:24,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:24,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:06:24,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:06:24,541 INFO L87 Difference]: Start difference. First operand 1105 states and 1511 transitions. Second operand has 8 states, 7 states have (on average 26.142857142857142) internal successors, (183), 8 states have internal predecessors, (183), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-10 19:06:25,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:25,085 INFO L93 Difference]: Finished difference Result 1609 states and 2205 transitions. [2024-11-10 19:06:25,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:06:25,086 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.142857142857142) internal successors, (183), 8 states have internal predecessors, (183), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 111 [2024-11-10 19:06:25,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:25,092 INFO L225 Difference]: With dead ends: 1609 [2024-11-10 19:06:25,092 INFO L226 Difference]: Without dead ends: 1607 [2024-11-10 19:06:25,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:06:25,093 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 255 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:25,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 315 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:06:25,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2024-11-10 19:06:25,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1327. [2024-11-10 19:06:25,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1327 states, 1171 states have (on average 1.3535439795046968) internal successors, (1585), 1204 states have internal predecessors, (1585), 120 states have call successors, (120), 2 states have call predecessors, (120), 2 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-10 19:06:25,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1825 transitions. [2024-11-10 19:06:25,189 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 1825 transitions. Word has length 111 [2024-11-10 19:06:25,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:25,190 INFO L471 AbstractCegarLoop]: Abstraction has 1327 states and 1825 transitions. [2024-11-10 19:06:25,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.142857142857142) internal successors, (183), 8 states have internal predecessors, (183), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-10 19:06:25,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1825 transitions. [2024-11-10 19:06:25,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-10 19:06:25,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:25,191 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:25,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:25,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-10 19:06:25,392 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:25,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:25,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1896410490, now seen corresponding path program 1 times [2024-11-10 19:06:25,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:25,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902386030] [2024-11-10 19:06:25,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:25,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:25,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:25,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:06:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:25,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:06:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:25,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:06:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:25,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:06:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:25,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:06:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:25,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:06:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:25,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:06:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:25,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:06:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:25,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:06:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:25,477 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:25,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:25,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902386030] [2024-11-10 19:06:25,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902386030] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:25,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471399435] [2024-11-10 19:06:25,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:25,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:25,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:25,480 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:25,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-10 19:06:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:25,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:06:25,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:25,680 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:25,680 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:25,794 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:25,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471399435] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:06:25,794 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:06:25,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-10 19:06:25,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295432616] [2024-11-10 19:06:25,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:25,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:06:25,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:25,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:06:25,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:06:25,796 INFO L87 Difference]: Start difference. First operand 1327 states and 1825 transitions. Second operand has 8 states, 7 states have (on average 27.428571428571427) internal successors, (192), 8 states have internal predecessors, (192), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-10 19:06:26,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:26,499 INFO L93 Difference]: Finished difference Result 1926 states and 2650 transitions. [2024-11-10 19:06:26,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:06:26,499 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 27.428571428571427) internal successors, (192), 8 states have internal predecessors, (192), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 114 [2024-11-10 19:06:26,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:26,505 INFO L225 Difference]: With dead ends: 1926 [2024-11-10 19:06:26,505 INFO L226 Difference]: Without dead ends: 1924 [2024-11-10 19:06:26,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:06:26,507 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 275 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:26,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 366 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:06:26,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1924 states. [2024-11-10 19:06:26,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1924 to 1634. [2024-11-10 19:06:26,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1634 states, 1454 states have (on average 1.342503438789546) internal successors, (1952), 1487 states have internal predecessors, (1952), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-10 19:06:26,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1634 states and 2240 transitions. [2024-11-10 19:06:26,613 INFO L78 Accepts]: Start accepts. Automaton has 1634 states and 2240 transitions. Word has length 114 [2024-11-10 19:06:26,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:26,613 INFO L471 AbstractCegarLoop]: Abstraction has 1634 states and 2240 transitions. [2024-11-10 19:06:26,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 27.428571428571427) internal successors, (192), 8 states have internal predecessors, (192), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-10 19:06:26,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2240 transitions. [2024-11-10 19:06:26,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-10 19:06:26,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:26,614 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:26,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:26,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:26,819 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:26,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:26,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1009447841, now seen corresponding path program 1 times [2024-11-10 19:06:26,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:26,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655759750] [2024-11-10 19:06:26,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:26,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:26,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:26,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:06:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:26,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:06:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:26,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:06:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:26,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:06:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:26,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:06:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:26,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:06:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:26,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:06:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:26,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:06:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:26,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:06:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:26,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 19:06:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:26,951 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-10 19:06:26,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:26,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655759750] [2024-11-10 19:06:26,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655759750] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:26,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719570709] [2024-11-10 19:06:26,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:26,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:26,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:26,954 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:26,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-10 19:06:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:27,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:06:27,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:27,068 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-10 19:06:27,068 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:27,187 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-10 19:06:27,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719570709] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:06:27,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:06:27,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-11-10 19:06:27,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911619056] [2024-11-10 19:06:27,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:27,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:06:27,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:27,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:06:27,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:06:27,191 INFO L87 Difference]: Start difference. First operand 1634 states and 2240 transitions. Second operand has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-10 19:06:27,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:27,940 INFO L93 Difference]: Finished difference Result 1636 states and 2242 transitions. [2024-11-10 19:06:27,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:06:27,941 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) Word has length 120 [2024-11-10 19:06:27,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:27,945 INFO L225 Difference]: With dead ends: 1636 [2024-11-10 19:06:27,945 INFO L226 Difference]: Without dead ends: 1635 [2024-11-10 19:06:27,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:06:27,946 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 124 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:27,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 135 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:06:27,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2024-11-10 19:06:28,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1633. [2024-11-10 19:06:28,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1633 states, 1454 states have (on average 1.3397524071526823) internal successors, (1948), 1486 states have internal predecessors, (1948), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-10 19:06:28,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 1633 states and 2236 transitions. [2024-11-10 19:06:28,057 INFO L78 Accepts]: Start accepts. Automaton has 1633 states and 2236 transitions. Word has length 120 [2024-11-10 19:06:28,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:28,057 INFO L471 AbstractCegarLoop]: Abstraction has 1633 states and 2236 transitions. [2024-11-10 19:06:28,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-10 19:06:28,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1633 states and 2236 transitions. [2024-11-10 19:06:28,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-10 19:06:28,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:28,059 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:28,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:28,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:28,260 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:28,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:28,260 INFO L85 PathProgramCache]: Analyzing trace with hash 919036914, now seen corresponding path program 1 times [2024-11-10 19:06:28,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:28,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604166589] [2024-11-10 19:06:28,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:28,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:28,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [689358484] [2024-11-10 19:06:28,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:28,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:28,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:28,289 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:28,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-10 19:06:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:28,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:06:28,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:28,694 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:28,694 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:30,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:30,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604166589] [2024-11-10 19:06:30,125 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:30,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689358484] [2024-11-10 19:06:30,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689358484] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:30,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:30,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:06:30,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828924012] [2024-11-10 19:06:30,125 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:30,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:06:30,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:30,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:06:30,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=33, Unknown=1, NotChecked=0, Total=56 [2024-11-10 19:06:30,130 INFO L87 Difference]: Start difference. First operand 1633 states and 2236 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:06:31,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:31,092 INFO L93 Difference]: Finished difference Result 1698 states and 2323 transitions. [2024-11-10 19:06:31,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:06:31,092 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 119 [2024-11-10 19:06:31,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:31,098 INFO L225 Difference]: With dead ends: 1698 [2024-11-10 19:06:31,098 INFO L226 Difference]: Without dead ends: 1694 [2024-11-10 19:06:31,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=63, Invalid=92, Unknown=1, NotChecked=0, Total=156 [2024-11-10 19:06:31,099 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 154 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:31,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 333 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:06:31,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2024-11-10 19:06:31,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1629. [2024-11-10 19:06:31,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1629 states, 1454 states have (on average 1.2916093535075652) internal successors, (1878), 1482 states have internal predecessors, (1878), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-10 19:06:31,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1629 states and 2166 transitions. [2024-11-10 19:06:31,224 INFO L78 Accepts]: Start accepts. Automaton has 1629 states and 2166 transitions. Word has length 119 [2024-11-10 19:06:31,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:31,224 INFO L471 AbstractCegarLoop]: Abstraction has 1629 states and 2166 transitions. [2024-11-10 19:06:31,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:06:31,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1629 states and 2166 transitions. [2024-11-10 19:06:31,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-10 19:06:31,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:31,225 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:31,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-11-10 19:06:31,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:31,426 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:31,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:31,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1228111991, now seen corresponding path program 1 times [2024-11-10 19:06:31,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:31,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545887291] [2024-11-10 19:06:31,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:31,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:31,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:31,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:06:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:31,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:06:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:31,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:06:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:31,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:06:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:31,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:06:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:31,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:06:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:31,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 19:06:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:31,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:06:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:31,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 19:06:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:31,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 19:06:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:31,518 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-10 19:06:31,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:31,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545887291] [2024-11-10 19:06:31,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545887291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:06:31,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:06:31,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:06:31,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254337847] [2024-11-10 19:06:31,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:06:31,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:06:31,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:31,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:06:31,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:06:31,520 INFO L87 Difference]: Start difference. First operand 1629 states and 2166 transitions. Second operand has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-10 19:06:32,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:32,883 INFO L93 Difference]: Finished difference Result 1635 states and 2167 transitions. [2024-11-10 19:06:32,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:06:32,884 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 121 [2024-11-10 19:06:32,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:32,888 INFO L225 Difference]: With dead ends: 1635 [2024-11-10 19:06:32,888 INFO L226 Difference]: Without dead ends: 1623 [2024-11-10 19:06:32,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:06:32,889 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 159 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:32,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 221 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 19:06:32,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2024-11-10 19:06:32,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1617. [2024-11-10 19:06:32,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1617 states, 1444 states have (on average 1.2887811634349031) internal successors, (1861), 1471 states have internal predecessors, (1861), 143 states have call successors, (143), 2 states have call predecessors, (143), 2 states have return successors, (143), 143 states have call predecessors, (143), 143 states have call successors, (143) [2024-11-10 19:06:32,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1617 states and 2147 transitions. [2024-11-10 19:06:32,994 INFO L78 Accepts]: Start accepts. Automaton has 1617 states and 2147 transitions. Word has length 121 [2024-11-10 19:06:32,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:32,994 INFO L471 AbstractCegarLoop]: Abstraction has 1617 states and 2147 transitions. [2024-11-10 19:06:32,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-10 19:06:32,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 2147 transitions. [2024-11-10 19:06:32,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-10 19:06:32,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:32,995 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:32,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-10 19:06:32,995 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:32,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:32,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1574626640, now seen corresponding path program 1 times [2024-11-10 19:06:32,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:32,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474862074] [2024-11-10 19:06:32,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:32,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:33,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [673789009] [2024-11-10 19:06:33,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:33,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:33,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:33,012 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:33,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-10 19:06:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:33,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:06:33,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:33,440 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:33,440 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:33,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:33,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474862074] [2024-11-10 19:06:33,845 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:33,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673789009] [2024-11-10 19:06:33,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673789009] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:33,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:33,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:06:33,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431739119] [2024-11-10 19:06:33,845 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:33,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:06:33,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:33,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:06:33,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:06:33,846 INFO L87 Difference]: Start difference. First operand 1617 states and 2147 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:06:34,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:34,334 INFO L93 Difference]: Finished difference Result 1678 states and 2220 transitions. [2024-11-10 19:06:34,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:06:34,334 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 120 [2024-11-10 19:06:34,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:34,338 INFO L225 Difference]: With dead ends: 1678 [2024-11-10 19:06:34,338 INFO L226 Difference]: Without dead ends: 1676 [2024-11-10 19:06:34,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:06:34,339 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 90 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:34,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 191 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:06:34,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1676 states. [2024-11-10 19:06:34,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1676 to 1633. [2024-11-10 19:06:34,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1633 states, 1458 states have (on average 1.286008230452675) internal successors, (1875), 1485 states have internal predecessors, (1875), 145 states have call successors, (145), 2 states have call predecessors, (145), 2 states have return successors, (145), 145 states have call predecessors, (145), 145 states have call successors, (145) [2024-11-10 19:06:34,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 1633 states and 2165 transitions. [2024-11-10 19:06:34,433 INFO L78 Accepts]: Start accepts. Automaton has 1633 states and 2165 transitions. Word has length 120 [2024-11-10 19:06:34,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:34,433 INFO L471 AbstractCegarLoop]: Abstraction has 1633 states and 2165 transitions. [2024-11-10 19:06:34,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:06:34,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1633 states and 2165 transitions. [2024-11-10 19:06:34,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-10 19:06:34,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:34,434 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:34,450 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-11-10 19:06:34,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-10 19:06:34,634 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:34,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:34,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1231054288, now seen corresponding path program 2 times [2024-11-10 19:06:34,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:34,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297365822] [2024-11-10 19:06:34,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:34,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:34,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1782429175] [2024-11-10 19:06:34,650 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:06:34,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:34,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:34,652 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:34,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-10 19:06:34,713 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:06:34,713 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:06:34,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:06:34,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:35,095 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:35,096 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:35,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:35,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297365822] [2024-11-10 19:06:35,454 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:35,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782429175] [2024-11-10 19:06:35,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782429175] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:35,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:35,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:06:35,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111721770] [2024-11-10 19:06:35,455 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:35,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:06:35,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:35,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:06:35,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:06:35,455 INFO L87 Difference]: Start difference. First operand 1633 states and 2165 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:06:35,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:35,974 INFO L93 Difference]: Finished difference Result 1697 states and 2239 transitions. [2024-11-10 19:06:35,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:06:35,974 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 120 [2024-11-10 19:06:35,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:35,978 INFO L225 Difference]: With dead ends: 1697 [2024-11-10 19:06:35,978 INFO L226 Difference]: Without dead ends: 1693 [2024-11-10 19:06:35,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:06:35,979 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 126 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:35,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 236 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:06:35,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2024-11-10 19:06:36,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 1669. [2024-11-10 19:06:36,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1490 states have (on average 1.280536912751678) internal successors, (1908), 1517 states have internal predecessors, (1908), 149 states have call successors, (149), 2 states have call predecessors, (149), 2 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2024-11-10 19:06:36,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2206 transitions. [2024-11-10 19:06:36,107 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2206 transitions. Word has length 120 [2024-11-10 19:06:36,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:36,107 INFO L471 AbstractCegarLoop]: Abstraction has 1669 states and 2206 transitions. [2024-11-10 19:06:36,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:06:36,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2206 transitions. [2024-11-10 19:06:36,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-10 19:06:36,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:36,109 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:36,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-11-10 19:06:36,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-10 19:06:36,310 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:36,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:36,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1387709778, now seen corresponding path program 1 times [2024-11-10 19:06:36,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:36,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816647858] [2024-11-10 19:06:36,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:36,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:36,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [273462923] [2024-11-10 19:06:36,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:36,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:36,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:36,332 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:36,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-10 19:06:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:36,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:06:36,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:36,763 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:36,764 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:37,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:37,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816647858] [2024-11-10 19:06:37,374 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:37,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273462923] [2024-11-10 19:06:37,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273462923] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:37,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:37,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-10 19:06:37,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482858220] [2024-11-10 19:06:37,375 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:37,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:06:37,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:37,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:06:37,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:06:37,375 INFO L87 Difference]: Start difference. First operand 1669 states and 2206 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:06:37,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:37,860 INFO L93 Difference]: Finished difference Result 1685 states and 2226 transitions. [2024-11-10 19:06:37,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:06:37,861 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 122 [2024-11-10 19:06:37,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:37,864 INFO L225 Difference]: With dead ends: 1685 [2024-11-10 19:06:37,864 INFO L226 Difference]: Without dead ends: 1683 [2024-11-10 19:06:37,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:06:37,868 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 81 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:37,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 249 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:06:37,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1683 states. [2024-11-10 19:06:37,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1683 to 1669. [2024-11-10 19:06:37,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1490 states have (on average 1.2791946308724833) internal successors, (1906), 1517 states have internal predecessors, (1906), 149 states have call successors, (149), 2 states have call predecessors, (149), 2 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2024-11-10 19:06:37,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2204 transitions. [2024-11-10 19:06:37,967 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2204 transitions. Word has length 122 [2024-11-10 19:06:37,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:37,967 INFO L471 AbstractCegarLoop]: Abstraction has 1669 states and 2204 transitions. [2024-11-10 19:06:37,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:06:37,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2204 transitions. [2024-11-10 19:06:37,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-10 19:06:37,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:37,968 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:37,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:38,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-10 19:06:38,173 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:38,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:38,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1927161298, now seen corresponding path program 2 times [2024-11-10 19:06:38,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:38,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022454604] [2024-11-10 19:06:38,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:38,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:38,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [661466352] [2024-11-10 19:06:38,186 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:06:38,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:38,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:38,188 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:38,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-10 19:06:38,241 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:06:38,242 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:06:38,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:06:38,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:38,658 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:38,658 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:39,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:39,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022454604] [2024-11-10 19:06:39,267 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:39,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661466352] [2024-11-10 19:06:39,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661466352] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:39,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:39,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-10 19:06:39,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956712961] [2024-11-10 19:06:39,267 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:39,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:06:39,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:39,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:06:39,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:06:39,268 INFO L87 Difference]: Start difference. First operand 1669 states and 2204 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:06:39,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:39,800 INFO L93 Difference]: Finished difference Result 1694 states and 2233 transitions. [2024-11-10 19:06:39,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:06:39,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 122 [2024-11-10 19:06:39,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:39,804 INFO L225 Difference]: With dead ends: 1694 [2024-11-10 19:06:39,804 INFO L226 Difference]: Without dead ends: 1692 [2024-11-10 19:06:39,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:06:39,805 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 130 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:39,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 212 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:06:39,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1692 states. [2024-11-10 19:06:39,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1692 to 1669. [2024-11-10 19:06:39,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1490 states have (on average 1.2778523489932887) internal successors, (1904), 1517 states have internal predecessors, (1904), 149 states have call successors, (149), 2 states have call predecessors, (149), 2 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2024-11-10 19:06:39,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2202 transitions. [2024-11-10 19:06:39,905 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2202 transitions. Word has length 122 [2024-11-10 19:06:39,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:39,905 INFO L471 AbstractCegarLoop]: Abstraction has 1669 states and 2202 transitions. [2024-11-10 19:06:39,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:06:39,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2202 transitions. [2024-11-10 19:06:39,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-10 19:06:39,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:39,907 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:39,923 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-11-10 19:06:40,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-10 19:06:40,109 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:40,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:40,109 INFO L85 PathProgramCache]: Analyzing trace with hash -69330066, now seen corresponding path program 1 times [2024-11-10 19:06:40,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:40,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204905475] [2024-11-10 19:06:40,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:40,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:40,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1484879789] [2024-11-10 19:06:40,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:40,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:40,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:40,126 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:40,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-10 19:06:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:40,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 19:06:40,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:40,615 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:40,615 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:41,276 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-10 19:06:41,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:41,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204905475] [2024-11-10 19:06:41,276 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:41,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484879789] [2024-11-10 19:06:41,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484879789] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:41,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:41,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-10 19:06:41,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848893659] [2024-11-10 19:06:41,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:06:41,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:06:41,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:41,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:06:41,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:06:41,278 INFO L87 Difference]: Start difference. First operand 1669 states and 2202 transitions. Second operand has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:06:43,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:43,337 INFO L93 Difference]: Finished difference Result 1669 states and 2202 transitions. [2024-11-10 19:06:43,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:06:43,337 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 123 [2024-11-10 19:06:43,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:43,340 INFO L225 Difference]: With dead ends: 1669 [2024-11-10 19:06:43,340 INFO L226 Difference]: Without dead ends: 1668 [2024-11-10 19:06:43,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 235 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:06:43,340 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 94 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:43,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 144 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-10 19:06:43,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2024-11-10 19:06:43,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1668. [2024-11-10 19:06:43,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1668 states, 1490 states have (on average 1.2563758389261745) internal successors, (1872), 1516 states have internal predecessors, (1872), 149 states have call successors, (149), 2 states have call predecessors, (149), 2 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2024-11-10 19:06:43,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2170 transitions. [2024-11-10 19:06:43,441 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2170 transitions. Word has length 123 [2024-11-10 19:06:43,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:43,441 INFO L471 AbstractCegarLoop]: Abstraction has 1668 states and 2170 transitions. [2024-11-10 19:06:43,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:06:43,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2170 transitions. [2024-11-10 19:06:43,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-10 19:06:43,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:43,443 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:43,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:43,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:43,643 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:43,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:43,644 INFO L85 PathProgramCache]: Analyzing trace with hash 2145735340, now seen corresponding path program 1 times [2024-11-10 19:06:43,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:43,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187611550] [2024-11-10 19:06:43,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:43,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:43,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [795167227] [2024-11-10 19:06:43,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:43,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:43,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:43,660 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:43,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-10 19:06:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:43,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:06:43,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:44,083 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:44,083 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:44,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:44,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187611550] [2024-11-10 19:06:44,598 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:44,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795167227] [2024-11-10 19:06:44,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795167227] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:44,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:44,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 19:06:44,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487896886] [2024-11-10 19:06:44,599 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:44,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:06:44,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:44,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:06:44,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:06:44,600 INFO L87 Difference]: Start difference. First operand 1668 states and 2170 transitions. Second operand has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:06:45,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:45,338 INFO L93 Difference]: Finished difference Result 1717 states and 2236 transitions. [2024-11-10 19:06:45,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:06:45,339 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 124 [2024-11-10 19:06:45,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:45,342 INFO L225 Difference]: With dead ends: 1717 [2024-11-10 19:06:45,342 INFO L226 Difference]: Without dead ends: 1713 [2024-11-10 19:06:45,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:06:45,343 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 240 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:45,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 324 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:06:45,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2024-11-10 19:06:45,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1696. [2024-11-10 19:06:45,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1696 states, 1515 states have (on average 1.2455445544554455) internal successors, (1887), 1541 states have internal predecessors, (1887), 152 states have call successors, (152), 2 states have call predecessors, (152), 2 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-10 19:06:45,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2191 transitions. [2024-11-10 19:06:45,496 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2191 transitions. Word has length 124 [2024-11-10 19:06:45,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:45,496 INFO L471 AbstractCegarLoop]: Abstraction has 1696 states and 2191 transitions. [2024-11-10 19:06:45,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:06:45,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2191 transitions. [2024-11-10 19:06:45,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-10 19:06:45,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:45,497 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:45,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:45,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-10 19:06:45,698 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:45,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:45,698 INFO L85 PathProgramCache]: Analyzing trace with hash -871099860, now seen corresponding path program 2 times [2024-11-10 19:06:45,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:45,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799631452] [2024-11-10 19:06:45,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:45,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:45,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [608286558] [2024-11-10 19:06:45,715 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:06:45,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:45,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:45,719 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:45,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-10 19:06:45,780 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:06:45,780 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:06:45,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 19:06:45,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:46,214 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:06:46,214 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:46,851 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-11-10 19:06:46,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:46,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799631452] [2024-11-10 19:06:46,852 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:46,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608286558] [2024-11-10 19:06:46,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [608286558] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:46,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:46,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-10 19:06:46,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436524907] [2024-11-10 19:06:46,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:06:46,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:06:46,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:46,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:06:46,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:06:46,853 INFO L87 Difference]: Start difference. First operand 1696 states and 2191 transitions. Second operand has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:06:49,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:49,181 INFO L93 Difference]: Finished difference Result 1696 states and 2191 transitions. [2024-11-10 19:06:49,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:06:49,182 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 124 [2024-11-10 19:06:49,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:49,185 INFO L225 Difference]: With dead ends: 1696 [2024-11-10 19:06:49,185 INFO L226 Difference]: Without dead ends: 1693 [2024-11-10 19:06:49,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 237 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:06:49,185 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 94 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:49,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 144 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-10 19:06:49,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2024-11-10 19:06:49,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 1687. [2024-11-10 19:06:49,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1687 states, 1509 states have (on average 1.2306163021868788) internal successors, (1857), 1532 states have internal predecessors, (1857), 152 states have call successors, (152), 2 states have call predecessors, (152), 2 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-10 19:06:49,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2161 transitions. [2024-11-10 19:06:49,286 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2161 transitions. Word has length 124 [2024-11-10 19:06:49,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:49,287 INFO L471 AbstractCegarLoop]: Abstraction has 1687 states and 2161 transitions. [2024-11-10 19:06:49,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:06:49,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2161 transitions. [2024-11-10 19:06:49,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-10 19:06:49,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:49,288 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:49,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:49,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:49,488 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-10 19:06:49,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:49,489 INFO L85 PathProgramCache]: Analyzing trace with hash 763465823, now seen corresponding path program 2 times [2024-11-10 19:06:49,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:49,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063472147] [2024-11-10 19:06:49,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:49,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:49,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1974650674] [2024-11-10 19:06:49,507 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:06:49,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:49,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:49,509 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:49,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-10 19:06:49,570 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:06:49,570 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:06:49,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 19:06:49,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:50,047 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-10 19:06:50,047 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:51,577 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-10 19:06:51,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:51,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063472147] [2024-11-10 19:06:51,578 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:51,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974650674] [2024-11-10 19:06:51,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974650674] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:06:51,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:06:51,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-10 19:06:51,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180024599] [2024-11-10 19:06:51,579 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:51,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 19:06:51,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:51,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 19:06:51,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:06:51,580 INFO L87 Difference]: Start difference. First operand 1687 states and 2161 transitions. Second operand has 17 states, 16 states have (on average 9.9375) internal successors, (159), 17 states have internal predecessors, (159), 9 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 8 states have call predecessors, (22), 9 states have call successors, (22)