./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f 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/ps2-ll_unwindbound10.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 111e613944cc7c4f40e73d8912198083d9e385bb8d4d44cecdc5062eedc235a0 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 17:37:48,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 17:37:49,020 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 17:37:49,025 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 17:37:49,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 17:37:49,050 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 17:37:49,050 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 17:37:49,051 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 17:37:49,051 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 17:37:49,052 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 17:37:49,052 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 17:37:49,052 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 17:37:49,053 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 17:37:49,053 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 17:37:49,054 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 17:37:49,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 17:37:49,055 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 17:37:49,055 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 17:37:49,055 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 17:37:49,055 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 17:37:49,056 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 17:37:49,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 17:37:49,059 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 17:37:49,059 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 17:37:49,059 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 17:37:49,059 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 17:37:49,060 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 17:37:49,060 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 17:37:49,060 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 17:37:49,060 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 17:37:49,060 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 17:37:49,060 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 17:37:49,061 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 17:37:49,061 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 17:37:49,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:37:49,061 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 17:37:49,061 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 17:37:49,061 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 17:37:49,062 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 17:37:49,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 17:37:49,067 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 17:37:49,068 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 17:37:49,068 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 17:37:49,069 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 17:37:49,069 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 111e613944cc7c4f40e73d8912198083d9e385bb8d4d44cecdc5062eedc235a0 [2024-11-12 17:37:49,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 17:37:49,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 17:37:49,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 17:37:49,271 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 17:37:49,272 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 17:37:49,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c [2024-11-12 17:37:50,427 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 17:37:50,564 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 17:37:50,564 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c [2024-11-12 17:37:50,569 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/772c1aa37/e58274b17a694597bf0b7c965e75fd40/FLAGb4e30f3a5 [2024-11-12 17:37:50,998 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/772c1aa37/e58274b17a694597bf0b7c965e75fd40 [2024-11-12 17:37:51,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 17:37:51,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 17:37:51,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 17:37:51,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 17:37:51,007 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 17:37:51,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:37:50" (1/1) ... [2024-11-12 17:37:51,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@116e9991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:37:51, skipping insertion in model container [2024-11-12 17:37:51,008 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:37:50" (1/1) ... [2024-11-12 17:37:51,021 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 17:37:51,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:37:51,162 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 17:37:51,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:37:51,192 INFO L204 MainTranslator]: Completed translation [2024-11-12 17:37:51,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:37:51 WrapperNode [2024-11-12 17:37:51,192 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 17:37:51,193 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 17:37:51,193 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 17:37:51,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 17:37:51,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:37:51" (1/1) ... [2024-11-12 17:37:51,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:37:51" (1/1) ... [2024-11-12 17:37:51,221 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2024-11-12 17:37:51,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 17:37:51,223 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 17:37:51,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 17:37:51,223 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 17:37:51,231 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:37:51" (1/1) ... [2024-11-12 17:37:51,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:37:51" (1/1) ... [2024-11-12 17:37:51,232 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:37:51" (1/1) ... [2024-11-12 17:37:51,249 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]. [2024-11-12 17:37:51,250 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:37:51" (1/1) ... [2024-11-12 17:37:51,250 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:37:51" (1/1) ... [2024-11-12 17:37:51,252 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:37:51" (1/1) ... [2024-11-12 17:37:51,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:37:51" (1/1) ... [2024-11-12 17:37:51,259 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:37:51" (1/1) ... [2024-11-12 17:37:51,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:37:51" (1/1) ... [2024-11-12 17:37:51,263 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 17:37:51,263 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 17:37:51,264 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 17:37:51,264 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 17:37:51,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:37:51" (1/1) ... [2024-11-12 17:37:51,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:37:51,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:37:51,289 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) [2024-11-12 17:37:51,291 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 [2024-11-12 17:37:51,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 17:37:51,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 17:37:51,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 17:37:51,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 17:37:51,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 17:37:51,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 17:37:51,375 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 17:37:51,376 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 17:37:51,541 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-12 17:37:51,541 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 17:37:51,552 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 17:37:51,552 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 17:37:51,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:37:51 BoogieIcfgContainer [2024-11-12 17:37:51,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 17:37:51,556 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 17:37:51,556 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 17:37:51,559 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 17:37:51,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:37:50" (1/3) ... [2024-11-12 17:37:51,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1696a4a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:37:51, skipping insertion in model container [2024-11-12 17:37:51,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:37:51" (2/3) ... [2024-11-12 17:37:51,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1696a4a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:37:51, skipping insertion in model container [2024-11-12 17:37:51,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:37:51" (3/3) ... [2024-11-12 17:37:51,563 INFO L112 eAbstractionObserver]: Analyzing ICFG ps2-ll_unwindbound10.c [2024-11-12 17:37:51,576 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 17:37:51,576 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-12 17:37:51,630 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 17:37:51,637 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;@7ee7995b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 17:37:51,637 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-12 17:37:51,641 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 61 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:37:51,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-12 17:37:51,645 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:51,646 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-12 17:37:51,646 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-12 17:37:51,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:51,651 INFO L85 PathProgramCache]: Analyzing trace with hash 927109, now seen corresponding path program 1 times [2024-11-12 17:37:51,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:51,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95878506] [2024-11-12 17:37:51,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:51,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:51,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:51,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:51,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95878506] [2024-11-12 17:37:51,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95878506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:37:51,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:37:51,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:37:51,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182704910] [2024-11-12 17:37:51,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:37:51,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 17:37:51,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:51,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 17:37:51,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 17:37:51,788 INFO L87 Difference]: Start difference. First operand has 65 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 61 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:37:51,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:51,809 INFO L93 Difference]: Finished difference Result 125 states and 137 transitions. [2024-11-12 17:37:51,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 17:37:51,811 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-12 17:37:51,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:51,816 INFO L225 Difference]: With dead ends: 125 [2024-11-12 17:37:51,816 INFO L226 Difference]: Without dead ends: 56 [2024-11-12 17:37:51,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 17:37:51,823 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:51,824 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:37:51,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-12 17:37:51,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-12 17:37:51,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 32 states have (on average 1.71875) internal successors, (55), 53 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:37:51,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 57 transitions. [2024-11-12 17:37:51,852 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 57 transitions. Word has length 4 [2024-11-12 17:37:51,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:51,852 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 57 transitions. [2024-11-12 17:37:51,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:37:51,853 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2024-11-12 17:37:51,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-12 17:37:51,854 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:51,855 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-12 17:37:51,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 17:37:51,855 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-12 17:37:51,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:51,856 INFO L85 PathProgramCache]: Analyzing trace with hash 925668, now seen corresponding path program 1 times [2024-11-12 17:37:51,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:51,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10424855] [2024-11-12 17:37:51,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:51,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:51,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:51,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:51,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10424855] [2024-11-12 17:37:51,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10424855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:37:51,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:37:51,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:37:51,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815569627] [2024-11-12 17:37:51,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:37:51,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:37:51,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:51,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:37:51,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:37:51,938 INFO L87 Difference]: Start difference. First operand 56 states and 57 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:37:51,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:51,983 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2024-11-12 17:37:51,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:37:51,984 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-12 17:37:51,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:51,985 INFO L225 Difference]: With dead ends: 56 [2024-11-12 17:37:51,986 INFO L226 Difference]: Without dead ends: 55 [2024-11-12 17:37:51,986 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:37:51,987 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 55 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:51,987 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 99 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:37:51,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-12 17:37:51,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-12 17:37:51,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 32 states have (on average 1.6875) internal successors, (54), 52 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:37:51,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 56 transitions. [2024-11-12 17:37:51,994 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 56 transitions. Word has length 4 [2024-11-12 17:37:51,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:51,994 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 56 transitions. [2024-11-12 17:37:51,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:37:51,996 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2024-11-12 17:37:51,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-12 17:37:51,996 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:51,996 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-12 17:37:51,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 17:37:51,997 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-12 17:37:51,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:51,997 INFO L85 PathProgramCache]: Analyzing trace with hash 28695749, now seen corresponding path program 1 times [2024-11-12 17:37:51,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:51,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323161590] [2024-11-12 17:37:51,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:51,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:52,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:52,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:52,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323161590] [2024-11-12 17:37:52,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323161590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:37:52,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:37:52,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:37:52,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466369944] [2024-11-12 17:37:52,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:37:52,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:37:52,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:52,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:37:52,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:37:52,046 INFO L87 Difference]: Start difference. First operand 55 states and 56 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:37:52,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:52,085 INFO L93 Difference]: Finished difference Result 75 states and 76 transitions. [2024-11-12 17:37:52,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:37:52,086 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-12 17:37:52,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:52,087 INFO L225 Difference]: With dead ends: 75 [2024-11-12 17:37:52,087 INFO L226 Difference]: Without dead ends: 59 [2024-11-12 17:37:52,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:37:52,088 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 3 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:52,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 152 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:37:52,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-12 17:37:52,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-12 17:37:52,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 36 states have (on average 1.6111111111111112) internal successors, (58), 56 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:37:52,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2024-11-12 17:37:52,096 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 5 [2024-11-12 17:37:52,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:52,096 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2024-11-12 17:37:52,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:37:52,097 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2024-11-12 17:37:52,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-12 17:37:52,097 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:52,097 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:37:52,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 17:37:52,097 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-12 17:37:52,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:52,098 INFO L85 PathProgramCache]: Analyzing trace with hash 176612299, now seen corresponding path program 1 times [2024-11-12 17:37:52,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:52,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543528117] [2024-11-12 17:37:52,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:52,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:37:52,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [868381021] [2024-11-12 17:37:52,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:52,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:52,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:37:52,120 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) [2024-11-12 17:37:52,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 17:37:52,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:52,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:37:52,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:37:52,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:52,204 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:37:52,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:52,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543528117] [2024-11-12 17:37:52,207 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:37:52,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868381021] [2024-11-12 17:37:52,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868381021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:37:52,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:37:52,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:37:52,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16808434] [2024-11-12 17:37:52,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:37:52,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:37:52,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:52,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:37:52,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:37:52,209 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:37:52,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:52,270 INFO L93 Difference]: Finished difference Result 91 states and 101 transitions. [2024-11-12 17:37:52,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:37:52,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-12 17:37:52,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:52,272 INFO L225 Difference]: With dead ends: 91 [2024-11-12 17:37:52,272 INFO L226 Difference]: Without dead ends: 87 [2024-11-12 17:37:52,273 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:37:52,273 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 25 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:52,274 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 61 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:37:52,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-12 17:37:52,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 75. [2024-11-12 17:37:52,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 51 states have (on average 1.607843137254902) internal successors, (82), 71 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:37:52,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 86 transitions. [2024-11-12 17:37:52,279 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 86 transitions. Word has length 8 [2024-11-12 17:37:52,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:52,279 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 86 transitions. [2024-11-12 17:37:52,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:37:52,280 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2024-11-12 17:37:52,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-12 17:37:52,280 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:52,280 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:37:52,293 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 17:37:52,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:52,485 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-12 17:37:52,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:52,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1180014025, now seen corresponding path program 1 times [2024-11-12 17:37:52,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:52,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496354303] [2024-11-12 17:37:52,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:52,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:52,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:52,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:52,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496354303] [2024-11-12 17:37:52,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496354303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:37:52,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:37:52,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:37:52,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782291211] [2024-11-12 17:37:52,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:37:52,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:37:52,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:52,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:37:52,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:37:52,524 INFO L87 Difference]: Start difference. First operand 75 states and 86 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:37:52,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:52,594 INFO L93 Difference]: Finished difference Result 93 states and 101 transitions. [2024-11-12 17:37:52,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:37:52,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-12 17:37:52,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:52,595 INFO L225 Difference]: With dead ends: 93 [2024-11-12 17:37:52,595 INFO L226 Difference]: Without dead ends: 85 [2024-11-12 17:37:52,595 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:37:52,596 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 22 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:52,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 65 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:37:52,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-12 17:37:52,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 80. [2024-11-12 17:37:52,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 56 states have (on average 1.5) internal successors, (84), 76 states have internal predecessors, (84), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:37:52,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 88 transitions. [2024-11-12 17:37:52,606 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 88 transitions. Word has length 9 [2024-11-12 17:37:52,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:52,607 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 88 transitions. [2024-11-12 17:37:52,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:37:52,607 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2024-11-12 17:37:52,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-12 17:37:52,607 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:52,607 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:37:52,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 17:37:52,607 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-12 17:37:52,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:52,608 INFO L85 PathProgramCache]: Analyzing trace with hash -509445297, now seen corresponding path program 1 times [2024-11-12 17:37:52,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:52,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257642591] [2024-11-12 17:37:52,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:52,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:52,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:52,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:52,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257642591] [2024-11-12 17:37:52,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257642591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:37:52,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:37:52,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:37:52,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633693413] [2024-11-12 17:37:52,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:37:52,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:37:52,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:52,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:37:52,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:37:52,669 INFO L87 Difference]: Start difference. First operand 80 states and 88 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:37:52,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:52,725 INFO L93 Difference]: Finished difference Result 89 states and 93 transitions. [2024-11-12 17:37:52,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:37:52,726 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-12 17:37:52,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:52,726 INFO L225 Difference]: With dead ends: 89 [2024-11-12 17:37:52,726 INFO L226 Difference]: Without dead ends: 77 [2024-11-12 17:37:52,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:37:52,727 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 41 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:52,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 63 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:37:52,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-12 17:37:52,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 73. [2024-11-12 17:37:52,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 49 states have (on average 1.489795918367347) internal successors, (73), 69 states have internal predecessors, (73), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:37:52,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 77 transitions. [2024-11-12 17:37:52,732 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 77 transitions. Word has length 12 [2024-11-12 17:37:52,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:52,732 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 77 transitions. [2024-11-12 17:37:52,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:37:52,732 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2024-11-12 17:37:52,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-12 17:37:52,732 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:52,732 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:37:52,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 17:37:52,733 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-12 17:37:52,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:52,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1343722417, now seen corresponding path program 1 times [2024-11-12 17:37:52,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:52,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954262561] [2024-11-12 17:37:52,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:52,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:52,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:37:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:52,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:52,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:52,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954262561] [2024-11-12 17:37:52,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954262561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:37:52,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:37:52,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:37:52,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020530306] [2024-11-12 17:37:52,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:37:52,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:37:52,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:52,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:37:52,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:37:52,806 INFO L87 Difference]: Start difference. First operand 73 states and 77 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:37:52,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:52,817 INFO L93 Difference]: Finished difference Result 75 states and 77 transitions. [2024-11-12 17:37:52,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:37:52,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2024-11-12 17:37:52,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:52,818 INFO L225 Difference]: With dead ends: 75 [2024-11-12 17:37:52,818 INFO L226 Difference]: Without dead ends: 73 [2024-11-12 17:37:52,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:37:52,819 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 1 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:52,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 102 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:37:52,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-12 17:37:52,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-12 17:37:52,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 49 states have (on average 1.4489795918367347) internal successors, (71), 69 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:37:52,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 75 transitions. [2024-11-12 17:37:52,824 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 75 transitions. Word has length 21 [2024-11-12 17:37:52,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:52,825 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 75 transitions. [2024-11-12 17:37:52,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:37:52,825 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions. [2024-11-12 17:37:52,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-12 17:37:52,826 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:52,826 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:37:52,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 17:37:52,826 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-12 17:37:52,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:52,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1913246411, now seen corresponding path program 1 times [2024-11-12 17:37:52,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:52,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819115570] [2024-11-12 17:37:52,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:52,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:52,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:37:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:52,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:52,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:52,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819115570] [2024-11-12 17:37:52,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819115570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:37:52,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:37:52,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:37:52,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828025730] [2024-11-12 17:37:52,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:37:52,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:37:52,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:52,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:37:52,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:37:52,908 INFO L87 Difference]: Start difference. First operand 73 states and 75 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:37:52,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:52,969 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2024-11-12 17:37:52,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:37:52,970 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-12 17:37:52,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:52,970 INFO L225 Difference]: With dead ends: 76 [2024-11-12 17:37:52,970 INFO L226 Difference]: Without dead ends: 75 [2024-11-12 17:37:52,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:37:52,971 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 1 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:52,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 78 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:37:52,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-12 17:37:52,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2024-11-12 17:37:52,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 50 states have (on average 1.44) internal successors, (72), 70 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:37:52,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 76 transitions. [2024-11-12 17:37:52,977 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 76 transitions. Word has length 25 [2024-11-12 17:37:52,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:52,978 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 76 transitions. [2024-11-12 17:37:52,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:37:52,978 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2024-11-12 17:37:52,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-12 17:37:52,982 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:52,982 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:37:52,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 17:37:52,983 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-12 17:37:52,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:52,983 INFO L85 PathProgramCache]: Analyzing trace with hash 818903483, now seen corresponding path program 1 times [2024-11-12 17:37:52,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:52,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695593271] [2024-11-12 17:37:52,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:52,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:53,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:37:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:53,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:53,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:53,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695593271] [2024-11-12 17:37:53,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695593271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:37:53,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:37:53,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:37:53,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128788709] [2024-11-12 17:37:53,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:37:53,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:37:53,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:53,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:37:53,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:37:53,060 INFO L87 Difference]: Start difference. First operand 74 states and 76 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:37:53,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:53,109 INFO L93 Difference]: Finished difference Result 76 states and 78 transitions. [2024-11-12 17:37:53,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:37:53,110 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2024-11-12 17:37:53,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:53,110 INFO L225 Difference]: With dead ends: 76 [2024-11-12 17:37:53,111 INFO L226 Difference]: Without dead ends: 75 [2024-11-12 17:37:53,111 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:37:53,111 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:53,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:37:53,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-12 17:37:53,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-12 17:37:53,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 51 states have (on average 1.4313725490196079) internal successors, (73), 71 states have internal predecessors, (73), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:37:53,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 77 transitions. [2024-11-12 17:37:53,120 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 77 transitions. Word has length 26 [2024-11-12 17:37:53,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:53,120 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 77 transitions. [2024-11-12 17:37:53,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:37:53,120 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 77 transitions. [2024-11-12 17:37:53,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-12 17:37:53,120 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:53,120 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:37:53,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 17:37:53,121 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-12 17:37:53,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:53,121 INFO L85 PathProgramCache]: Analyzing trace with hash 539457580, now seen corresponding path program 1 times [2024-11-12 17:37:53,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:53,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107435961] [2024-11-12 17:37:53,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:53,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:53,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:37:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:53,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:53,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:53,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107435961] [2024-11-12 17:37:53,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107435961] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:37:53,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367645734] [2024-11-12 17:37:53,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:53,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:53,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:37:53,191 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) [2024-11-12 17:37:53,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 17:37:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:53,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:37:53,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:37:53,315 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:53,315 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:37:53,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367645734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:37:53,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:37:53,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-12 17:37:53,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747317837] [2024-11-12 17:37:53,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:37:53,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:37:53,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:53,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:37:53,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:37:53,316 INFO L87 Difference]: Start difference. First operand 75 states and 77 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:37:53,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:53,348 INFO L93 Difference]: Finished difference Result 90 states and 91 transitions. [2024-11-12 17:37:53,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:37:53,348 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-11-12 17:37:53,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:53,349 INFO L225 Difference]: With dead ends: 90 [2024-11-12 17:37:53,349 INFO L226 Difference]: Without dead ends: 89 [2024-11-12 17:37:53,349 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:37:53,350 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 33 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:53,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 201 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:37:53,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-12 17:37:53,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 74. [2024-11-12 17:37:53,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.411764705882353) internal successors, (72), 70 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:37:53,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 76 transitions. [2024-11-12 17:37:53,354 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 76 transitions. Word has length 29 [2024-11-12 17:37:53,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:53,354 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 76 transitions. [2024-11-12 17:37:53,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:37:53,355 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2024-11-12 17:37:53,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-12 17:37:53,355 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:53,355 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:37:53,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 17:37:53,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-12 17:37:53,556 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-12 17:37:53,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:53,556 INFO L85 PathProgramCache]: Analyzing trace with hash -786810108, now seen corresponding path program 1 times [2024-11-12 17:37:53,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:53,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76265084] [2024-11-12 17:37:53,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:53,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:37:53,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [239252232] [2024-11-12 17:37:53,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:53,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:53,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:37:53,570 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) [2024-11-12 17:37:53,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 17:37:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:53,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:37:53,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:37:53,657 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:53,657 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:37:53,751 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:53,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:53,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76265084] [2024-11-12 17:37:53,752 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:37:53,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239252232] [2024-11-12 17:37:53,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239252232] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:37:53,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:37:53,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-12 17:37:53,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143713854] [2024-11-12 17:37:53,755 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:37:53,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:37:53,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:53,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:37:53,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:37:53,756 INFO L87 Difference]: Start difference. First operand 74 states and 76 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:37:53,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:53,881 INFO L93 Difference]: Finished difference Result 152 states and 187 transitions. [2024-11-12 17:37:53,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:37:53,882 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2024-11-12 17:37:53,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:53,883 INFO L225 Difference]: With dead ends: 152 [2024-11-12 17:37:53,883 INFO L226 Difference]: Without dead ends: 148 [2024-11-12 17:37:53,883 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:37:53,884 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 136 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:53,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 119 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:37:53,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-12 17:37:53,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 120. [2024-11-12 17:37:53,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 97 states have (on average 1.4536082474226804) internal successors, (141), 114 states have internal predecessors, (141), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:37:53,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 149 transitions. [2024-11-12 17:37:53,890 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 149 transitions. Word has length 32 [2024-11-12 17:37:53,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:53,890 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 149 transitions. [2024-11-12 17:37:53,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:37:53,891 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 149 transitions. [2024-11-12 17:37:53,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-12 17:37:53,891 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:53,891 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:37:53,908 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 17:37:54,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:54,093 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-12 17:37:54,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:54,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1378690480, now seen corresponding path program 1 times [2024-11-12 17:37:54,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:54,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410240612] [2024-11-12 17:37:54,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:54,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:54,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:37:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:54,155 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:54,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:54,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410240612] [2024-11-12 17:37:54,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410240612] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:37:54,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658893920] [2024-11-12 17:37:54,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:54,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:54,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:37:54,158 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) [2024-11-12 17:37:54,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 17:37:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:54,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:37:54,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:37:54,287 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:54,287 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:37:54,344 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:54,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658893920] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:37:54,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:37:54,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-12 17:37:54,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809906740] [2024-11-12 17:37:54,345 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:37:54,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 17:37:54,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:54,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 17:37:54,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:37:54,346 INFO L87 Difference]: Start difference. First operand 120 states and 149 transitions. Second operand has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:37:54,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:54,442 INFO L93 Difference]: Finished difference Result 120 states and 149 transitions. [2024-11-12 17:37:54,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:37:54,442 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 33 [2024-11-12 17:37:54,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:54,443 INFO L225 Difference]: With dead ends: 120 [2024-11-12 17:37:54,443 INFO L226 Difference]: Without dead ends: 117 [2024-11-12 17:37:54,444 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:37:54,444 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 65 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:54,444 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 88 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:37:54,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-12 17:37:54,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-12 17:37:54,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 97 states have (on average 1.3814432989690721) internal successors, (134), 111 states have internal predecessors, (134), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:37:54,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 142 transitions. [2024-11-12 17:37:54,452 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 142 transitions. Word has length 33 [2024-11-12 17:37:54,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:54,452 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 142 transitions. [2024-11-12 17:37:54,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:37:54,454 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 142 transitions. [2024-11-12 17:37:54,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-12 17:37:54,454 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:54,454 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:37:54,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 17:37:54,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:54,655 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-12 17:37:54,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:54,656 INFO L85 PathProgramCache]: Analyzing trace with hash -210268026, now seen corresponding path program 1 times [2024-11-12 17:37:54,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:54,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563305745] [2024-11-12 17:37:54,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:54,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:54,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:37:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:54,705 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:54,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:54,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563305745] [2024-11-12 17:37:54,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563305745] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:37:54,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738525082] [2024-11-12 17:37:54,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:54,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:54,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:37:54,708 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) [2024-11-12 17:37:54,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 17:37:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:54,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:37:54,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:37:54,811 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:54,811 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:37:54,878 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:54,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738525082] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:37:54,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:37:54,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-12 17:37:54,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748342833] [2024-11-12 17:37:54,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:37:54,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 17:37:54,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:54,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 17:37:54,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:37:54,880 INFO L87 Difference]: Start difference. First operand 117 states and 142 transitions. Second operand has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:37:55,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:55,009 INFO L93 Difference]: Finished difference Result 134 states and 159 transitions. [2024-11-12 17:37:55,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:37:55,009 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 34 [2024-11-12 17:37:55,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:55,010 INFO L225 Difference]: With dead ends: 134 [2024-11-12 17:37:55,010 INFO L226 Difference]: Without dead ends: 127 [2024-11-12 17:37:55,010 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:37:55,011 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 55 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:55,011 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 127 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:37:55,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-12 17:37:55,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 117. [2024-11-12 17:37:55,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 101 states have (on average 1.2574257425742574) internal successors, (127), 111 states have internal predecessors, (127), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:37:55,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2024-11-12 17:37:55,017 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 34 [2024-11-12 17:37:55,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:55,018 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2024-11-12 17:37:55,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:37:55,018 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2024-11-12 17:37:55,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-12 17:37:55,019 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:55,019 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:37:55,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-12 17:37:55,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-12 17:37:55,219 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-12 17:37:55,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:55,220 INFO L85 PathProgramCache]: Analyzing trace with hash -204108280, now seen corresponding path program 1 times [2024-11-12 17:37:55,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:55,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628206146] [2024-11-12 17:37:55,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:55,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:55,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:37:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:55,273 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:55,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:55,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628206146] [2024-11-12 17:37:55,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628206146] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:37:55,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828680233] [2024-11-12 17:37:55,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:55,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:55,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:37:55,275 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) [2024-11-12 17:37:55,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 17:37:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:55,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:37:55,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:37:55,418 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:55,418 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:37:55,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828680233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:37:55,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:37:55,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-12 17:37:55,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211322322] [2024-11-12 17:37:55,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:37:55,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:37:55,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:55,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:37:55,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:37:55,419 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:37:55,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:55,475 INFO L93 Difference]: Finished difference Result 119 states and 137 transitions. [2024-11-12 17:37:55,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:37:55,475 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-11-12 17:37:55,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:55,475 INFO L225 Difference]: With dead ends: 119 [2024-11-12 17:37:55,476 INFO L226 Difference]: Without dead ends: 105 [2024-11-12 17:37:55,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:37:55,476 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 31 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:55,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 52 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:37:55,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-12 17:37:55,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-11-12 17:37:55,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 93 states have (on average 1.1397849462365592) internal successors, (106), 99 states have internal predecessors, (106), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:37:55,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 114 transitions. [2024-11-12 17:37:55,480 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 114 transitions. Word has length 36 [2024-11-12 17:37:55,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:55,480 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 114 transitions. [2024-11-12 17:37:55,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:37:55,480 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 114 transitions. [2024-11-12 17:37:55,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-12 17:37:55,481 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:55,481 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:37:55,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-12 17:37:55,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:55,682 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-12 17:37:55,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:55,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1169456872, now seen corresponding path program 1 times [2024-11-12 17:37:55,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:55,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227592470] [2024-11-12 17:37:55,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:55,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:55,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:37:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:55,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 17:37:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:55,723 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:37:55,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:55,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227592470] [2024-11-12 17:37:55,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227592470] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:37:55,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069493606] [2024-11-12 17:37:55,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:55,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:55,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:37:55,725 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) [2024-11-12 17:37:55,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-12 17:37:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:55,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:37:55,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:37:55,791 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:37:55,792 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:37:55,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069493606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:37:55,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:37:55,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-12 17:37:55,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510492920] [2024-11-12 17:37:55,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:37:55,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:37:55,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:55,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:37:55,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:37:55,793 INFO L87 Difference]: Start difference. First operand 105 states and 114 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:37:55,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:55,808 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2024-11-12 17:37:55,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:37:55,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2024-11-12 17:37:55,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:55,809 INFO L225 Difference]: With dead ends: 105 [2024-11-12 17:37:55,809 INFO L226 Difference]: Without dead ends: 104 [2024-11-12 17:37:55,809 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:37:55,809 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 10 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:55,811 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 70 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:37:55,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-12 17:37:55,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-12 17:37:55,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 93 states have (on average 1.10752688172043) internal successors, (103), 98 states have internal predecessors, (103), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:37:55,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 111 transitions. [2024-11-12 17:37:55,816 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 111 transitions. Word has length 45 [2024-11-12 17:37:55,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:55,817 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 111 transitions. [2024-11-12 17:37:55,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:37:55,817 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 111 transitions. [2024-11-12 17:37:55,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-12 17:37:55,817 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:55,817 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:37:55,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-12 17:37:56,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:56,018 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-12 17:37:56,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:56,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1893424592, now seen corresponding path program 1 times [2024-11-12 17:37:56,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:56,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319187756] [2024-11-12 17:37:56,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:56,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:56,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:37:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:56,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 17:37:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:56,070 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:37:56,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:56,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319187756] [2024-11-12 17:37:56,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319187756] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:37:56,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007473766] [2024-11-12 17:37:56,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:56,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:56,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:37:56,072 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) [2024-11-12 17:37:56,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-12 17:37:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:56,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:37:56,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:37:56,134 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:37:56,134 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:37:56,177 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:37:56,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007473766] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:37:56,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:37:56,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-12 17:37:56,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893956087] [2024-11-12 17:37:56,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:37:56,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:37:56,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:56,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:37:56,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:37:56,178 INFO L87 Difference]: Start difference. First operand 104 states and 111 transitions. Second operand has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-12 17:37:56,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:56,203 INFO L93 Difference]: Finished difference Result 120 states and 126 transitions. [2024-11-12 17:37:56,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:37:56,203 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 46 [2024-11-12 17:37:56,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:56,204 INFO L225 Difference]: With dead ends: 120 [2024-11-12 17:37:56,204 INFO L226 Difference]: Without dead ends: 119 [2024-11-12 17:37:56,204 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:37:56,205 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 11 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:56,205 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 133 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:37:56,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-12 17:37:56,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 114. [2024-11-12 17:37:56,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 102 states have (on average 1.088235294117647) internal successors, (111), 107 states have internal predecessors, (111), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-12 17:37:56,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 121 transitions. [2024-11-12 17:37:56,208 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 121 transitions. Word has length 46 [2024-11-12 17:37:56,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:56,209 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 121 transitions. [2024-11-12 17:37:56,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-12 17:37:56,209 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 121 transitions. [2024-11-12 17:37:56,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-12 17:37:56,209 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:56,209 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2024-11-12 17:37:56,221 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-12 17:37:56,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-12 17:37:56,410 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-12 17:37:56,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:56,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1909658797, now seen corresponding path program 1 times [2024-11-12 17:37:56,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:56,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65847536] [2024-11-12 17:37:56,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:56,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:56,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:37:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:56,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 17:37:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:56,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 17:37:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:56,515 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:37:56,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:56,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65847536] [2024-11-12 17:37:56,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65847536] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:37:56,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567518862] [2024-11-12 17:37:56,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:56,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:56,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:37:56,518 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) [2024-11-12 17:37:56,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-12 17:37:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:56,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 17:37:56,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:37:56,738 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:37:56,738 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:37:56,882 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:37:56,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567518862] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:37:56,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:37:56,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-12 17:37:56,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896680926] [2024-11-12 17:37:56,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:37:56,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-12 17:37:56,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:56,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-12 17:37:56,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-11-12 17:37:56,885 INFO L87 Difference]: Start difference. First operand 114 states and 121 transitions. Second operand has 20 states, 19 states have (on average 9.368421052631579) internal successors, (178), 20 states have internal predecessors, (178), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-12 17:37:57,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:57,089 INFO L93 Difference]: Finished difference Result 171 states and 190 transitions. [2024-11-12 17:37:57,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 17:37:57,089 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 9.368421052631579) internal successors, (178), 20 states have internal predecessors, (178), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 74 [2024-11-12 17:37:57,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:57,090 INFO L225 Difference]: With dead ends: 171 [2024-11-12 17:37:57,090 INFO L226 Difference]: Without dead ends: 170 [2024-11-12 17:37:57,090 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2024-11-12 17:37:57,091 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 47 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:57,091 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 125 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:37:57,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-12 17:37:57,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 158. [2024-11-12 17:37:57,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 144 states have (on average 1.1111111111111112) internal successors, (160), 149 states have internal predecessors, (160), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-12 17:37:57,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 174 transitions. [2024-11-12 17:37:57,098 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 174 transitions. Word has length 74 [2024-11-12 17:37:57,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:57,098 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 174 transitions. [2024-11-12 17:37:57,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 9.368421052631579) internal successors, (178), 20 states have internal predecessors, (178), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-12 17:37:57,099 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 174 transitions. [2024-11-12 17:37:57,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-12 17:37:57,099 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:57,099 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-12 17:37:57,112 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-12 17:37:57,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-12 17:37:57,300 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-12 17:37:57,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:57,300 INFO L85 PathProgramCache]: Analyzing trace with hash -722331272, now seen corresponding path program 2 times [2024-11-12 17:37:57,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:57,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740499165] [2024-11-12 17:37:57,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:57,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:57,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:37:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:57,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 17:37:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:57,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 17:37:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:57,417 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:37:57,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:57,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740499165] [2024-11-12 17:37:57,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740499165] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:37:57,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883222476] [2024-11-12 17:37:57,417 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:37:57,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:57,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:37:57,419 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) [2024-11-12 17:37:57,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-12 17:37:57,454 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:37:57,454 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:37:57,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:37:57,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:37:57,640 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:37:57,640 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:37:57,787 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:37:57,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883222476] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:37:57,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:37:57,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-12 17:37:57,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180881446] [2024-11-12 17:37:57,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:37:57,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-12 17:37:57,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:57,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-12 17:37:57,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-11-12 17:37:57,789 INFO L87 Difference]: Start difference. First operand 158 states and 174 transitions. Second operand has 22 states, 21 states have (on average 9.238095238095237) internal successors, (194), 22 states have internal predecessors, (194), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-12 17:37:58,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:58,084 INFO L93 Difference]: Finished difference Result 186 states and 202 transitions. [2024-11-12 17:37:58,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 17:37:58,084 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 9.238095238095237) internal successors, (194), 22 states have internal predecessors, (194), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 82 [2024-11-12 17:37:58,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:58,085 INFO L225 Difference]: With dead ends: 186 [2024-11-12 17:37:58,085 INFO L226 Difference]: Without dead ends: 174 [2024-11-12 17:37:58,086 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=321, Invalid=549, Unknown=0, NotChecked=0, Total=870 [2024-11-12 17:37:58,086 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 106 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:58,086 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 197 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:37:58,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-12 17:37:58,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 166. [2024-11-12 17:37:58,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 152 states have (on average 1.0921052631578947) internal successors, (166), 157 states have internal predecessors, (166), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-12 17:37:58,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 180 transitions. [2024-11-12 17:37:58,091 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 180 transitions. Word has length 82 [2024-11-12 17:37:58,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:58,092 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 180 transitions. [2024-11-12 17:37:58,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 9.238095238095237) internal successors, (194), 22 states have internal predecessors, (194), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-12 17:37:58,092 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 180 transitions. [2024-11-12 17:37:58,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-12 17:37:58,094 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:58,094 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-12 17:37:58,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-12 17:37:58,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-12 17:37:58,294 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-12 17:37:58,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:58,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1306599087, now seen corresponding path program 2 times [2024-11-12 17:37:58,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:58,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591472132] [2024-11-12 17:37:58,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:58,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:37:58,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2036750079] [2024-11-12 17:37:58,323 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:37:58,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:58,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:37:58,325 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) [2024-11-12 17:37:58,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-12 17:37:58,366 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 17:37:58,366 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:37:58,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-12 17:37:58,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:37:58,460 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:37:58,460 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:37:58,656 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 17:37:58,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:58,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591472132] [2024-11-12 17:37:58,657 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:37:58,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036750079] [2024-11-12 17:37:58,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036750079] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:37:58,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:37:58,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-12 17:37:58,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099705245] [2024-11-12 17:37:58,657 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:37:58,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 17:37:58,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:58,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 17:37:58,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:37:58,659 INFO L87 Difference]: Start difference. First operand 166 states and 180 transitions. Second operand has 12 states, 11 states have (on average 15.454545454545455) internal successors, (170), 12 states have internal predecessors, (170), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-12 17:37:58,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:58,915 INFO L93 Difference]: Finished difference Result 249 states and 272 transitions. [2024-11-12 17:37:58,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 17:37:58,915 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 15.454545454545455) internal successors, (170), 12 states have internal predecessors, (170), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 104 [2024-11-12 17:37:58,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:58,916 INFO L225 Difference]: With dead ends: 249 [2024-11-12 17:37:58,916 INFO L226 Difference]: Without dead ends: 241 [2024-11-12 17:37:58,917 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-11-12 17:37:58,917 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 143 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:58,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 384 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:37:58,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-12 17:37:58,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 224. [2024-11-12 17:37:58,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 207 states have (on average 1.0917874396135265) internal successors, (226), 212 states have internal predecessors, (226), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:37:58,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 246 transitions. [2024-11-12 17:37:58,924 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 246 transitions. Word has length 104 [2024-11-12 17:37:58,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:58,924 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 246 transitions. [2024-11-12 17:37:58,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 15.454545454545455) internal successors, (170), 12 states have internal predecessors, (170), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-12 17:37:58,924 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 246 transitions. [2024-11-12 17:37:58,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-12 17:37:58,925 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:58,925 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-12 17:37:58,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-12 17:37:59,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:59,125 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-12 17:37:59,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:59,126 INFO L85 PathProgramCache]: Analyzing trace with hash -835567973, now seen corresponding path program 2 times [2024-11-12 17:37:59,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:59,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472343409] [2024-11-12 17:37:59,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:59,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:59,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:37:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:59,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 17:37:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:59,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 17:37:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:59,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 17:37:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:59,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 17:37:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:59,203 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-11-12 17:37:59,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:59,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472343409] [2024-11-12 17:37:59,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472343409] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:37:59,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833662390] [2024-11-12 17:37:59,203 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:37:59,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:59,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:37:59,205 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) [2024-11-12 17:37:59,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-12 17:37:59,235 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-12 17:37:59,235 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:37:59,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:37:59,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:37:59,321 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-11-12 17:37:59,321 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:37:59,416 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-11-12 17:37:59,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833662390] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:37:59,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:37:59,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-12 17:37:59,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720147243] [2024-11-12 17:37:59,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:37:59,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:37:59,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:59,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:37:59,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:37:59,418 INFO L87 Difference]: Start difference. First operand 224 states and 246 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:37:59,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:59,436 INFO L93 Difference]: Finished difference Result 224 states and 246 transitions. [2024-11-12 17:37:59,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:37:59,436 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 118 [2024-11-12 17:37:59,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:59,437 INFO L225 Difference]: With dead ends: 224 [2024-11-12 17:37:59,437 INFO L226 Difference]: Without dead ends: 223 [2024-11-12 17:37:59,437 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:37:59,438 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 55 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:59,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 72 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:37:59,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-12 17:37:59,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2024-11-12 17:37:59,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 207 states have (on average 1.0628019323671498) internal successors, (220), 211 states have internal predecessors, (220), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:37:59,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 240 transitions. [2024-11-12 17:37:59,448 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 240 transitions. Word has length 118 [2024-11-12 17:37:59,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:59,448 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 240 transitions. [2024-11-12 17:37:59,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:37:59,448 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 240 transitions. [2024-11-12 17:37:59,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-12 17:37:59,449 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:59,449 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1] [2024-11-12 17:37:59,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-12 17:37:59,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:59,653 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-12 17:37:59,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:59,653 INFO L85 PathProgramCache]: Analyzing trace with hash 84477585, now seen corresponding path program 2 times [2024-11-12 17:37:59,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:59,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27574834] [2024-11-12 17:37:59,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:59,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:59,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:37:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:59,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 17:37:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:59,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 17:37:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:59,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 17:37:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:59,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 17:37:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:59,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 17:37:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:59,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 17:37:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:59,965 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-12 17:37:59,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:59,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27574834] [2024-11-12 17:37:59,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27574834] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:37:59,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519515414] [2024-11-12 17:37:59,965 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 17:37:59,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:59,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:37:59,967 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) [2024-11-12 17:37:59,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-12 17:38:00,003 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-12 17:38:00,003 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:38:00,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 17:38:00,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:38:00,146 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2024-11-12 17:38:00,147 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:38:00,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519515414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:38:00,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:38:00,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 20 [2024-11-12 17:38:00,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086335275] [2024-11-12 17:38:00,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:38:00,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:38:00,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:38:00,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:38:00,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2024-11-12 17:38:00,148 INFO L87 Difference]: Start difference. First operand 223 states and 240 transitions. Second operand has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:38:00,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:38:00,233 INFO L93 Difference]: Finished difference Result 225 states and 242 transitions. [2024-11-12 17:38:00,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 17:38:00,233 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 170 [2024-11-12 17:38:00,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:38:00,234 INFO L225 Difference]: With dead ends: 225 [2024-11-12 17:38:00,234 INFO L226 Difference]: Without dead ends: 224 [2024-11-12 17:38:00,235 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2024-11-12 17:38:00,235 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 25 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:38:00,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 76 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:38:00,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-12 17:38:00,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 222. [2024-11-12 17:38:00,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 207 states have (on average 1.0434782608695652) internal successors, (216), 210 states have internal predecessors, (216), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:38:00,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 236 transitions. [2024-11-12 17:38:00,242 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 236 transitions. Word has length 170 [2024-11-12 17:38:00,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:38:00,243 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 236 transitions. [2024-11-12 17:38:00,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:38:00,243 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 236 transitions. [2024-11-12 17:38:00,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-12 17:38:00,244 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:38:00,244 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1] [2024-11-12 17:38:00,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-12 17:38:00,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-12 17:38:00,449 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-12 17:38:00,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:38:00,449 INFO L85 PathProgramCache]: Analyzing trace with hash -593893540, now seen corresponding path program 3 times [2024-11-12 17:38:00,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:38:00,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191296740] [2024-11-12 17:38:00,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:38:00,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:38:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:38:00,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:38:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:38:00,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 17:38:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:38:00,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 17:38:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:38:00,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 17:38:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:38:00,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 17:38:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:38:00,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 17:38:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:38:00,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 17:38:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:38:00,813 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 0 proven. 476 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-12 17:38:00,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:38:00,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191296740] [2024-11-12 17:38:00,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191296740] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:38:00,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603443266] [2024-11-12 17:38:00,813 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 17:38:00,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:38:00,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:38:00,815 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) [2024-11-12 17:38:00,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-12 17:38:00,851 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-12 17:38:00,851 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:38:00,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 17:38:00,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:38:57,743 WARN L873 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~y~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (and (= (mod (+ |ULTIMATE.start_main_~y~0#1| .cse0) 2) 0) (<= .cse0 9223372036854775807) (<= |c_ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~y~0#1| (div (+ (* (- 1) |ULTIMATE.start_main_~y~0#1|) .cse0) 2)))))) is different from true [2024-11-12 17:39:01,764 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2024-11-12 17:39:01,765 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:39:01,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603443266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:39:01,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:39:01,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [16] total 23 [2024-11-12 17:39:01,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171618167] [2024-11-12 17:39:01,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:39:01,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 17:39:01,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:01,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 17:39:01,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=418, Unknown=6, NotChecked=42, Total=552 [2024-11-12 17:39:01,766 INFO L87 Difference]: Start difference. First operand 222 states and 236 transitions. Second operand has 9 states, 8 states have (on average 5.875) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:39:14,448 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification. DAG size of input: 22 DAG size of output: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-12 17:39:23,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:23,173 INFO L93 Difference]: Finished difference Result 224 states and 238 transitions. [2024-11-12 17:39:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 17:39:23,174 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 178 [2024-11-12 17:39:23,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:23,175 INFO L225 Difference]: With dead ends: 224 [2024-11-12 17:39:23,175 INFO L226 Difference]: Without dead ends: 218 [2024-11-12 17:39:23,175 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 186 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 49.5s TimeCoverageRelationStatistics Valid=116, Invalid=636, Unknown=8, NotChecked=52, Total=812 [2024-11-12 17:39:23,175 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 65 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 51 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 17:39:23,176 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 47 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 95 Invalid, 0 Unknown, 51 Unchecked, 0.7s Time] [2024-11-12 17:39:23,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-12 17:39:23,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 216. [2024-11-12 17:39:23,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 203 states have (on average 1.0098522167487685) internal successors, (205), 204 states have internal predecessors, (205), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:39:23,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 225 transitions. [2024-11-12 17:39:23,186 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 225 transitions. Word has length 178 [2024-11-12 17:39:23,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:23,187 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 225 transitions. [2024-11-12 17:39:23,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:39:23,187 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 225 transitions. [2024-11-12 17:39:23,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-12 17:39:23,188 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:23,188 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1] [2024-11-12 17:39:23,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-12 17:39:23,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:39:23,393 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-12 17:39:23,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:23,394 INFO L85 PathProgramCache]: Analyzing trace with hash -633156347, now seen corresponding path program 3 times [2024-11-12 17:39:23,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:23,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715777702] [2024-11-12 17:39:23,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:23,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:23,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:39:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:23,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 17:39:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:23,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 17:39:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:23,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-12 17:39:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:23,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 17:39:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:23,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 17:39:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:23,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 17:39:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:23,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 17:39:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:23,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 17:39:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:23,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 17:39:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:23,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 950 proven. 10 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-12 17:39:23,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:39:23,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715777702] [2024-11-12 17:39:23,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715777702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:39:23,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045160189] [2024-11-12 17:39:23,923 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-12 17:39:23,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:39:23,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:39:23,925 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) [2024-11-12 17:39:23,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-12 17:39:24,031 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-12 17:39:24,032 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 17:39:24,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-12 17:39:24,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:39:24,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 1130 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:39:24,334 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:39:24,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 950 proven. 10 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-12 17:39:24,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045160189] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:39:24,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:39:24,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23, 24] total 24 [2024-11-12 17:39:24,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938032889] [2024-11-12 17:39:24,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:39:24,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-12 17:39:24,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:24,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-12 17:39:24,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-12 17:39:24,782 INFO L87 Difference]: Start difference. First operand 216 states and 225 transitions. Second operand has 24 states, 24 states have (on average 9.625) internal successors, (231), 24 states have internal predecessors, (231), 10 states have call successors, (20), 11 states have call predecessors, (20), 11 states have return successors, (20), 10 states have call predecessors, (20), 10 states have call successors, (20) [2024-11-12 17:39:25,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:25,196 INFO L93 Difference]: Finished difference Result 277 states and 277 transitions. [2024-11-12 17:39:25,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-12 17:39:25,196 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 9.625) internal successors, (231), 24 states have internal predecessors, (231), 10 states have call successors, (20), 11 states have call predecessors, (20), 11 states have return successors, (20), 10 states have call predecessors, (20), 10 states have call successors, (20) Word has length 248 [2024-11-12 17:39:25,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:25,198 INFO L225 Difference]: With dead ends: 277 [2024-11-12 17:39:25,198 INFO L226 Difference]: Without dead ends: 249 [2024-11-12 17:39:25,198 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 558 GetRequests, 494 SyntacticMatches, 21 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=659, Invalid=1321, Unknown=0, NotChecked=0, Total=1980 [2024-11-12 17:39:25,199 INFO L435 NwaCegarLoop]: 204 mSDtfsCounter, 38 mSDsluCounter, 1157 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 1361 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:39:25,199 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 1361 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:39:25,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-12 17:39:25,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2024-11-12 17:39:25,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 228 states have (on average 1.0) internal successors, (228), 228 states have internal predecessors, (228), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:39:25,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 248 transitions. [2024-11-12 17:39:25,213 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 248 transitions. Word has length 248 [2024-11-12 17:39:25,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:25,213 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 248 transitions. [2024-11-12 17:39:25,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.625) internal successors, (231), 24 states have internal predecessors, (231), 10 states have call successors, (20), 11 states have call predecessors, (20), 11 states have return successors, (20), 10 states have call predecessors, (20), 10 states have call successors, (20) [2024-11-12 17:39:25,214 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 248 transitions. [2024-11-12 17:39:25,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-12 17:39:25,215 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:39:25,215 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2024-11-12 17:39:25,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-12 17:39:25,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:39:25,416 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-12 17:39:25,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:39:25,416 INFO L85 PathProgramCache]: Analyzing trace with hash -633157085, now seen corresponding path program 1 times [2024-11-12 17:39:25,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:39:25,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367076415] [2024-11-12 17:39:25,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:25,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:39:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:39:25,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1027738531] [2024-11-12 17:39:25,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:39:25,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:39:25,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:39:25,450 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) [2024-11-12 17:39:25,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-12 17:39:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:39:25,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-12 17:39:25,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:39:25,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 0 proven. 940 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-12 17:39:25,808 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:39:26,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 0 proven. 940 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-12 17:39:26,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:39:26,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367076415] [2024-11-12 17:39:26,445 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:39:26,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027738531] [2024-11-12 17:39:26,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027738531] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:39:26,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:39:26,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-11-12 17:39:26,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72918804] [2024-11-12 17:39:26,445 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:39:26,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-12 17:39:26,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:39:26,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-12 17:39:26,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2024-11-12 17:39:26,447 INFO L87 Difference]: Start difference. First operand 249 states and 248 transitions. Second operand has 24 states, 23 states have (on average 17.304347826086957) internal successors, (398), 24 states have internal predecessors, (398), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-12 17:39:26,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:39:26,984 INFO L93 Difference]: Finished difference Result 249 states and 248 transitions. [2024-11-12 17:39:26,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 17:39:26,987 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 17.304347826086957) internal successors, (398), 24 states have internal predecessors, (398), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Word has length 248 [2024-11-12 17:39:26,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:39:26,988 INFO L225 Difference]: With dead ends: 249 [2024-11-12 17:39:26,988 INFO L226 Difference]: Without dead ends: 0 [2024-11-12 17:39:26,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 472 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2024-11-12 17:39:26,989 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 1221 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 1221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:39:26,989 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1255 Invalid, 1221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1221 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:39:26,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-12 17:39:26,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-12 17:39:26,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:39:26,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-12 17:39:26,990 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 248 [2024-11-12 17:39:26,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:39:26,990 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 17:39:26,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 17.304347826086957) internal successors, (398), 24 states have internal predecessors, (398), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-12 17:39:26,990 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-12 17:39:26,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-12 17:39:26,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2024-11-12 17:39:26,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2024-11-12 17:39:26,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2024-11-12 17:39:26,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2024-11-12 17:39:26,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2024-11-12 17:39:26,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2024-11-12 17:39:26,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2024-11-12 17:39:26,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2024-11-12 17:39:26,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2024-11-12 17:39:26,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2024-11-12 17:39:26,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2024-11-12 17:39:26,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2024-11-12 17:39:26,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2024-11-12 17:39:26,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2024-11-12 17:39:26,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2024-11-12 17:39:26,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2024-11-12 17:39:26,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2024-11-12 17:39:26,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2024-11-12 17:39:26,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2024-11-12 17:39:26,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2024-11-12 17:39:26,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2024-11-12 17:39:26,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2024-11-12 17:39:26,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2024-11-12 17:39:26,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2024-11-12 17:39:27,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-12 17:39:27,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-12 17:39:27,201 INFO L421 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:39:27,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-12 17:39:27,603 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 17:39:27,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 05:39:27 BoogieIcfgContainer [2024-11-12 17:39:27,629 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 17:39:27,629 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 17:39:27,629 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 17:39:27,629 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 17:39:27,630 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:37:51" (3/4) ... [2024-11-12 17:39:27,631 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 17:39:27,634 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-12 17:39:27,637 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-12 17:39:27,637 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-12 17:39:27,637 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-12 17:39:27,637 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-12 17:39:27,702 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 17:39:27,702 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 17:39:27,702 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 17:39:27,703 INFO L158 Benchmark]: Toolchain (without parser) took 96701.76ms. Allocated memory was 169.9MB in the beginning and 226.5MB in the end (delta: 56.6MB). Free memory was 114.6MB in the beginning and 186.7MB in the end (delta: -72.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 17:39:27,703 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 169.9MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 17:39:27,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.43ms. Allocated memory is still 169.9MB. Free memory was 114.6MB in the beginning and 102.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-12 17:39:27,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.97ms. Allocated memory is still 169.9MB. Free memory was 102.0MB in the beginning and 100.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 17:39:27,703 INFO L158 Benchmark]: Boogie Preprocessor took 40.35ms. Allocated memory is still 169.9MB. Free memory was 100.7MB in the beginning and 99.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 17:39:27,704 INFO L158 Benchmark]: RCFGBuilder took 291.03ms. Allocated memory is still 169.9MB. Free memory was 98.7MB in the beginning and 84.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-12 17:39:27,704 INFO L158 Benchmark]: TraceAbstraction took 96072.83ms. Allocated memory was 169.9MB in the beginning and 226.5MB in the end (delta: 56.6MB). Free memory was 83.9MB in the beginning and 191.9MB in the end (delta: -108.0MB). Peak memory consumption was 76.6MB. Max. memory is 16.1GB. [2024-11-12 17:39:27,704 INFO L158 Benchmark]: Witness Printer took 73.18ms. Allocated memory is still 226.5MB. Free memory was 191.9MB in the beginning and 186.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-12 17:39:27,705 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 169.9MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.43ms. Allocated memory is still 169.9MB. Free memory was 114.6MB in the beginning and 102.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.97ms. Allocated memory is still 169.9MB. Free memory was 102.0MB in the beginning and 100.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.35ms. Allocated memory is still 169.9MB. Free memory was 100.7MB in the beginning and 99.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 291.03ms. Allocated memory is still 169.9MB. Free memory was 98.7MB in the beginning and 84.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 96072.83ms. Allocated memory was 169.9MB in the beginning and 226.5MB in the end (delta: 56.6MB). Free memory was 83.9MB in the beginning and 191.9MB in the end (delta: -108.0MB). Peak memory consumption was 76.6MB. Max. memory is 16.1GB. * Witness Printer took 73.18ms. Allocated memory is still 226.5MB. Free memory was 191.9MB in the beginning and 186.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 95.6s, OverallIterations: 24, TraceHistogramMax: 11, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 24.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 978 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 968 mSDsluCounter, 5053 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 51 IncrementalHoareTripleChecker+Unchecked, 3894 mSDsCounter, 114 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3397 IncrementalHoareTripleChecker+Invalid, 3562 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 114 mSolverCounterUnsat, 1159 mSDtfsCounter, 3397 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2742 GetRequests, 2471 SyntacticMatches, 23 SemanticMatches, 248 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1253 ImplicationChecksByTransitivity, 51.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=249occurred in iteration=23, InterpolantAutomatonStates: 184, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 24 MinimizatonAttempts, 121 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 66.7s InterpolantComputationTime, 3076 NumberOfCodeBlocks, 2692 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 3657 ConstructedInterpolants, 4 QuantifiedInterpolants, 14621 SizeOfPredicates, 28 NumberOfNonLiveVariables, 2120 ConjunctsInSsa, 132 ConjunctsInUnsatCore, 46 InterpolantComputations, 14 PerfectInterpolantSequences, 5798/9481 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 24 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((((((((((((((((counter <= 10) && (c == 1)) && (k <= 2147483647)) && (x == 1)) && (1 <= counter)) && (y == 1)) || ((((((((counter <= 10) && (c <= 9223372036854775806)) && (x <= 28)) && (7 <= x)) && (7 == y)) && (1 <= c)) && (k <= 2147483647)) && (7 <= counter))) || ((((((((counter <= 10) && (5 <= x)) && (5 == y)) && (c <= 9223372036854775806)) && (1 <= c)) && (k <= 2147483647)) && (x <= 15)) && (5 <= counter))) || ((((((((counter <= 10) && (y == 4)) && (c <= 9223372036854775806)) && (1 <= c)) && (k <= 2147483647)) && (x <= 10)) && (4 <= counter)) && (4 <= x))) || ((((((((counter <= 10) && (c <= 9223372036854775806)) && (1 <= c)) && (k <= 2147483647)) && (3 == y)) && (x <= 6)) && (3 <= x)) && (3 <= counter))) || (((((((counter == 10) && (c <= 9223372036854775806)) && (1 <= c)) && (x <= 55)) && (k <= 2147483647)) && (y == 10)) && (10 <= x))) || ((((((((counter <= 10) && (8 <= x)) && (c <= 9223372036854775806)) && (x <= 36)) && (1 <= c)) && (k <= 2147483647)) && (8 <= counter)) && (y == 8))) || (((((c == 0) && (k <= 2147483647)) && (y == 0)) && (counter == 0)) && (x == 0))) || ((((((((counter <= 10) && (c <= 9223372036854775806)) && (1 <= c)) && (k <= 2147483647)) && (9 <= counter)) && (x <= 45)) && (9 <= x)) && (9 == y))) || ((((((((2 <= x) && (2 <= counter)) && (counter <= 10)) && (1 <= c)) && (k <= 2147483647)) && (2 == y)) && (x <= 3)) && (c <= 9223372036854775805))) || ((((((((6 == y) && (counter <= 10)) && (6 <= x)) && (c <= 9223372036854775806)) && (1 <= c)) && (k <= 2147483647)) && (x <= 21)) && (6 <= counter))) - ProcedureContractResult [Line: 9]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: ((((cond != 0) || (10 < counter)) || (counter < 1)) && (counter == \old(counter))) RESULT: Ultimate proved your program to be correct! [2024-11-12 17:39:27,918 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-12 17:39:27,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE