./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/fermat1-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 4030584521f36b8dc597e2fe097d1241b197ec784cb344ca35f6903bd5f84f17 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:09:20,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:09:20,592 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:09:20,597 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:09:20,598 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:09:20,623 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:09:20,624 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:09:20,624 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:09:20,625 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:09:20,626 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:09:20,626 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:09:20,627 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:09:20,627 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:09:20,629 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:09:20,629 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:09:20,630 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:09:20,630 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:09:20,630 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:09:20,630 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:09:20,631 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:09:20,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:09:20,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:09:20,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:09:20,636 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:09:20,636 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:09:20,636 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:09:20,636 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:09:20,637 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:09:20,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:09:20,637 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:09:20,638 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:09:20,638 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:09:20,638 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:09:20,638 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:09:20,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:09:20,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:09:20,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:09:20,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:09:20,639 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:09:20,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:09:20,640 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:09:20,640 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:09:20,641 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:09:20,641 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:09:20,641 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4030584521f36b8dc597e2fe097d1241b197ec784cb344ca35f6903bd5f84f17 [2024-11-10 19:09:20,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:09:20,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:09:20,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:09:20,879 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:09:20,879 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:09:20,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound10.c [2024-11-10 19:09:22,238 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:09:22,433 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:09:22,433 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound10.c [2024-11-10 19:09:22,443 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f994773ec/77d75342dc44482097a6ef576700f545/FLAG9c64005e9 [2024-11-10 19:09:22,813 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f994773ec/77d75342dc44482097a6ef576700f545 [2024-11-10 19:09:22,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:09:22,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:09:22,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:09:22,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:09:22,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:09:22,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:09:22" (1/1) ... [2024-11-10 19:09:22,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e992bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:22, skipping insertion in model container [2024-11-10 19:09:22,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:09:22" (1/1) ... [2024-11-10 19:09:22,838 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:09:23,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:09:23,065 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:09:23,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:09:23,103 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:09:23,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:23 WrapperNode [2024-11-10 19:09:23,104 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:09:23,105 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:09:23,106 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:09:23,106 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:09:23,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:23" (1/1) ... [2024-11-10 19:09:23,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:23" (1/1) ... [2024-11-10 19:09:23,144 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 169 [2024-11-10 19:09:23,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:09:23,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:09:23,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:09:23,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:09:23,155 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:23" (1/1) ... [2024-11-10 19:09:23,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:23" (1/1) ... [2024-11-10 19:09:23,160 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:23" (1/1) ... [2024-11-10 19:09:23,177 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 19:09:23,177 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:23" (1/1) ... [2024-11-10 19:09:23,177 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:23" (1/1) ... [2024-11-10 19:09:23,181 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:23" (1/1) ... [2024-11-10 19:09:23,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:23" (1/1) ... [2024-11-10 19:09:23,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:23" (1/1) ... [2024-11-10 19:09:23,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:23" (1/1) ... [2024-11-10 19:09:23,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:09:23,187 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:09:23,187 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:09:23,187 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:09:23,188 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:23" (1/1) ... [2024-11-10 19:09:23,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:09:23,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:09:23,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 19:09:23,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 19:09:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:09:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 19:09:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 19:09:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:09:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:09:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:09:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:09:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:09:23,355 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:09:23,359 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:09:23,882 INFO L? ?]: Removed 137 outVars from TransFormulas that were not future-live. [2024-11-10 19:09:23,882 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:09:23,908 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:09:23,908 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:09:23,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:09:23 BoogieIcfgContainer [2024-11-10 19:09:23,908 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:09:23,910 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:09:23,911 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:09:23,914 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:09:23,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:09:22" (1/3) ... [2024-11-10 19:09:23,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b50be3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:09:23, skipping insertion in model container [2024-11-10 19:09:23,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:23" (2/3) ... [2024-11-10 19:09:23,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b50be3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:09:23, skipping insertion in model container [2024-11-10 19:09:23,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:09:23" (3/3) ... [2024-11-10 19:09:23,917 INFO L112 eAbstractionObserver]: Analyzing ICFG fermat1-ll_unwindbound10.c [2024-11-10 19:09:23,936 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:09:23,937 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 98 error locations. [2024-11-10 19:09:24,001 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:09:24,007 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;@28daa36a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:09:24,011 INFO L334 AbstractCegarLoop]: Starting to check reachability of 98 error locations. [2024-11-10 19:09:24,016 INFO L276 IsEmpty]: Start isEmpty. Operand has 236 states, 129 states have (on average 1.8449612403100775) internal successors, (238), 227 states have internal predecessors, (238), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:09:24,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-10 19:09:24,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:24,023 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-10 19:09:24,023 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-10 19:09:24,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:24,028 INFO L85 PathProgramCache]: Analyzing trace with hash 261127, now seen corresponding path program 1 times [2024-11-10 19:09:24,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:24,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389912415] [2024-11-10 19:09:24,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:24,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:24,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:09:24,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:24,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389912415] [2024-11-10 19:09:24,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389912415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:09:24,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:09:24,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:09:24,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186699933] [2024-11-10 19:09:24,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:09:24,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:09:24,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:24,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:09:24,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:09:24,230 INFO L87 Difference]: Start difference. First operand has 236 states, 129 states have (on average 1.8449612403100775) internal successors, (238), 227 states have internal predecessors, (238), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2024-11-10 19:09:24,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:24,328 INFO L93 Difference]: Finished difference Result 445 states and 489 transitions. [2024-11-10 19:09:24,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:09:24,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2024-11-10 19:09:24,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:24,340 INFO L225 Difference]: With dead ends: 445 [2024-11-10 19:09:24,340 INFO L226 Difference]: Without dead ends: 215 [2024-11-10 19:09:24,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:09:24,346 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 15 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:24,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 408 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:09:24,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-10 19:09:24,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2024-11-10 19:09:24,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 124 states have (on average 1.717741935483871) internal successors, (213), 207 states have internal predecessors, (213), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:09:24,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 223 transitions. [2024-11-10 19:09:24,443 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 223 transitions. Word has length 3 [2024-11-10 19:09:24,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:24,443 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 223 transitions. [2024-11-10 19:09:24,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2024-11-10 19:09:24,444 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 223 transitions. [2024-11-10 19:09:24,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-10 19:09:24,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:24,445 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-10 19:09:24,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:09:24,447 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr96ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-10 19:09:24,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:24,447 INFO L85 PathProgramCache]: Analyzing trace with hash 8095135, now seen corresponding path program 1 times [2024-11-10 19:09:24,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:24,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217425861] [2024-11-10 19:09:24,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:24,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:24,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:09:24,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:24,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217425861] [2024-11-10 19:09:24,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217425861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:09:24,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:09:24,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:09:24,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392438015] [2024-11-10 19:09:24,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:09:24,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:09:24,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:24,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:09:24,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:09:24,499 INFO L87 Difference]: Start difference. First operand 215 states and 223 transitions. Second operand has 3 states, 2 states have (on average 2.0) 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) [2024-11-10 19:09:24,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:24,562 INFO L93 Difference]: Finished difference Result 215 states and 223 transitions. [2024-11-10 19:09:24,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:09:24,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) 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 [2024-11-10 19:09:24,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:24,564 INFO L225 Difference]: With dead ends: 215 [2024-11-10 19:09:24,565 INFO L226 Difference]: Without dead ends: 211 [2024-11-10 19:09:24,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:09:24,566 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 14 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:24,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 395 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:09:24,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-10 19:09:24,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2024-11-10 19:09:24,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 124 states have (on average 1.685483870967742) internal successors, (209), 203 states have internal predecessors, (209), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:09:24,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 219 transitions. [2024-11-10 19:09:24,591 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 219 transitions. Word has length 4 [2024-11-10 19:09:24,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:24,591 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 219 transitions. [2024-11-10 19:09:24,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) 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) [2024-11-10 19:09:24,591 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 219 transitions. [2024-11-10 19:09:24,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 19:09:24,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:24,592 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:24,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:09:24,595 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr92ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-10 19:09:24,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:24,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1504860389, now seen corresponding path program 1 times [2024-11-10 19:09:24,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:24,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305882407] [2024-11-10 19:09:24,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:24,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:09:24,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [384791579] [2024-11-10 19:09:24,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:24,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:24,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:09:24,630 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:09:24,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 19:09:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:24,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:09:24,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:09:24,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:09:24,748 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:09:24,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:24,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305882407] [2024-11-10 19:09:24,749 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:09:24,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384791579] [2024-11-10 19:09:24,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384791579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:09:24,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:09:24,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:09:24,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180046242] [2024-11-10 19:09:24,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:09:24,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:09:24,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:24,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:09:24,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:09:24,753 INFO L87 Difference]: Start difference. First operand 211 states and 219 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) [2024-11-10 19:09:24,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:24,802 INFO L93 Difference]: Finished difference Result 211 states and 219 transitions. [2024-11-10 19:09:24,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:09:24,802 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 [2024-11-10 19:09:24,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:24,806 INFO L225 Difference]: With dead ends: 211 [2024-11-10 19:09:24,807 INFO L226 Difference]: Without dead ends: 209 [2024-11-10 19:09:24,807 INFO L431 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 [2024-11-10 19:09:24,809 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 10 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:24,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 395 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:09:24,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-10 19:09:24,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-11-10 19:09:24,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 124 states have (on average 1.6693548387096775) internal successors, (207), 201 states have internal predecessors, (207), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:09:24,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 217 transitions. [2024-11-10 19:09:24,830 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 217 transitions. Word has length 8 [2024-11-10 19:09:24,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:24,830 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 217 transitions. [2024-11-10 19:09:24,830 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) [2024-11-10 19:09:24,830 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 217 transitions. [2024-11-10 19:09:24,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-10 19:09:24,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:24,832 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:24,849 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 19:09:25,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:25,034 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-10 19:09:25,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:25,034 INFO L85 PathProgramCache]: Analyzing trace with hash 286219215, now seen corresponding path program 1 times [2024-11-10 19:09:25,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:25,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548987938] [2024-11-10 19:09:25,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:25,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:09:25,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [667132946] [2024-11-10 19:09:25,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:25,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:25,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:09:25,084 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:09:25,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 19:09:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:25,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 19:09:25,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:09:25,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:09:25,196 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:09:25,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:25,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548987938] [2024-11-10 19:09:25,197 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:09:25,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667132946] [2024-11-10 19:09:25,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667132946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:09:25,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:09:25,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:09:25,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299033699] [2024-11-10 19:09:25,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:09:25,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:09:25,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:25,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:09:25,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:09:25,201 INFO L87 Difference]: Start difference. First operand 209 states and 217 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:09:25,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:25,255 INFO L93 Difference]: Finished difference Result 209 states and 217 transitions. [2024-11-10 19:09:25,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:09:25,256 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2024-11-10 19:09:25,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:25,257 INFO L225 Difference]: With dead ends: 209 [2024-11-10 19:09:25,257 INFO L226 Difference]: Without dead ends: 207 [2024-11-10 19:09:25,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:09:25,259 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 170 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:25,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 196 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:09:25,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-10 19:09:25,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2024-11-10 19:09:25,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 124 states have (on average 1.653225806451613) internal successors, (205), 199 states have internal predecessors, (205), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:09:25,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 215 transitions. [2024-11-10 19:09:25,280 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 215 transitions. Word has length 26 [2024-11-10 19:09:25,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:25,282 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 215 transitions. [2024-11-10 19:09:25,282 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:09:25,282 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 215 transitions. [2024-11-10 19:09:25,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-10 19:09:25,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:25,283 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:25,303 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 19:09:25,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-10 19:09:25,484 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-10 19:09:25,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:25,485 INFO L85 PathProgramCache]: Analyzing trace with hash 282861244, now seen corresponding path program 1 times [2024-11-10 19:09:25,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:25,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264291589] [2024-11-10 19:09:25,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:25,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:25,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:09:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:25,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:09:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:25,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:09:25,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:25,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264291589] [2024-11-10 19:09:25,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264291589] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:09:25,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756517137] [2024-11-10 19:09:25,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:25,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:25,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:09:25,695 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:09:25,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 19:09:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:25,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:09:25,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:09:26,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:09:26,304 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:09:26,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [756517137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:09:26,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:09:26,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-10 19:09:26,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576750982] [2024-11-10 19:09:26,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:09:26,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:09:26,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:26,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:09:26,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:09:26,306 INFO L87 Difference]: Start difference. First operand 207 states and 215 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:09:26,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:26,458 INFO L93 Difference]: Finished difference Result 207 states and 215 transitions. [2024-11-10 19:09:26,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:09:26,459 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-11-10 19:09:26,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:26,460 INFO L225 Difference]: With dead ends: 207 [2024-11-10 19:09:26,460 INFO L226 Difference]: Without dead ends: 205 [2024-11-10 19:09:26,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:09:26,461 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 170 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:26,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 706 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:09:26,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-10 19:09:26,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2024-11-10 19:09:26,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 124 states have (on average 1.6370967741935485) internal successors, (203), 197 states have internal predecessors, (203), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:09:26,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 213 transitions. [2024-11-10 19:09:26,469 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 213 transitions. Word has length 27 [2024-11-10 19:09:26,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:26,470 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 213 transitions. [2024-11-10 19:09:26,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:09:26,470 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 213 transitions. [2024-11-10 19:09:26,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-10 19:09:26,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:26,471 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:26,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 19:09:26,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:26,676 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-10 19:09:26,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:26,676 INFO L85 PathProgramCache]: Analyzing trace with hash -6346004, now seen corresponding path program 1 times [2024-11-10 19:09:26,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:26,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402917604] [2024-11-10 19:09:26,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:26,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:26,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:09:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:26,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:09:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:26,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:09:26,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:26,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402917604] [2024-11-10 19:09:26,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402917604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:09:26,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:09:26,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:09:26,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093746899] [2024-11-10 19:09:26,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:09:26,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:09:26,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:26,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:09:26,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:09:26,756 INFO L87 Difference]: Start difference. First operand 205 states and 213 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:09:26,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:26,792 INFO L93 Difference]: Finished difference Result 286 states and 295 transitions. [2024-11-10 19:09:26,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:09:26,793 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2024-11-10 19:09:26,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:26,794 INFO L225 Difference]: With dead ends: 286 [2024-11-10 19:09:26,794 INFO L226 Difference]: Without dead ends: 285 [2024-11-10 19:09:26,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:09:26,795 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 87 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:26,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 590 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:09:26,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-10 19:09:26,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 233. [2024-11-10 19:09:26,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 150 states have (on average 1.6466666666666667) internal successors, (247), 224 states have internal predecessors, (247), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:09:26,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 259 transitions. [2024-11-10 19:09:26,805 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 259 transitions. Word has length 30 [2024-11-10 19:09:26,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:26,806 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 259 transitions. [2024-11-10 19:09:26,806 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:09:26,806 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 259 transitions. [2024-11-10 19:09:26,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-10 19:09:26,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:26,807 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:26,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 19:09:26,807 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-10 19:09:26,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:26,808 INFO L85 PathProgramCache]: Analyzing trace with hash -196725960, now seen corresponding path program 1 times [2024-11-10 19:09:26,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:26,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430062241] [2024-11-10 19:09:26,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:26,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:26,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:09:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:26,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:09:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:26,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:09:26,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:26,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430062241] [2024-11-10 19:09:26,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430062241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:09:26,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:09:26,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:09:26,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591592294] [2024-11-10 19:09:26,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:09:26,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:09:26,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:26,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:09:26,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:09:26,874 INFO L87 Difference]: Start difference. First operand 233 states and 259 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:09:26,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:26,915 INFO L93 Difference]: Finished difference Result 262 states and 286 transitions. [2024-11-10 19:09:26,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:09:26,916 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-11-10 19:09:26,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:26,918 INFO L225 Difference]: With dead ends: 262 [2024-11-10 19:09:26,918 INFO L226 Difference]: Without dead ends: 233 [2024-11-10 19:09:26,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:09:26,919 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 10 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:26,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 593 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:09:26,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-10 19:09:26,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2024-11-10 19:09:26,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 150 states have (on average 1.6333333333333333) internal successors, (245), 224 states have internal predecessors, (245), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:09:26,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 257 transitions. [2024-11-10 19:09:26,929 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 257 transitions. Word has length 31 [2024-11-10 19:09:26,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:26,930 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 257 transitions. [2024-11-10 19:09:26,931 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:09:26,931 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 257 transitions. [2024-11-10 19:09:26,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-10 19:09:26,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:26,932 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:26,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 19:09:26,932 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-10 19:09:26,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:26,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1967446504, now seen corresponding path program 1 times [2024-11-10 19:09:26,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:26,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796178383] [2024-11-10 19:09:26,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:26,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:27,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:09:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:27,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:09:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:27,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:09:27,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:27,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796178383] [2024-11-10 19:09:27,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796178383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:09:27,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:09:27,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:09:27,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405078069] [2024-11-10 19:09:27,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:09:27,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:09:27,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:27,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:09:27,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:09:27,022 INFO L87 Difference]: Start difference. First operand 233 states and 257 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:09:27,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:27,101 INFO L93 Difference]: Finished difference Result 288 states and 314 transitions. [2024-11-10 19:09:27,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:09:27,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2024-11-10 19:09:27,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:27,104 INFO L225 Difference]: With dead ends: 288 [2024-11-10 19:09:27,104 INFO L226 Difference]: Without dead ends: 285 [2024-11-10 19:09:27,105 INFO L431 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 [2024-11-10 19:09:27,106 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 145 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:27,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 287 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:09:27,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-10 19:09:27,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 251. [2024-11-10 19:09:27,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 168 states have (on average 1.6130952380952381) internal successors, (271), 242 states have internal predecessors, (271), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:09:27,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 283 transitions. [2024-11-10 19:09:27,118 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 283 transitions. Word has length 34 [2024-11-10 19:09:27,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:27,119 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 283 transitions. [2024-11-10 19:09:27,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:09:27,119 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 283 transitions. [2024-11-10 19:09:27,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-10 19:09:27,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:27,120 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:27,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 19:09:27,120 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-10 19:09:27,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:27,122 INFO L85 PathProgramCache]: Analyzing trace with hash 861299637, now seen corresponding path program 1 times [2024-11-10 19:09:27,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:27,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882559609] [2024-11-10 19:09:27,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:27,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:27,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:09:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:27,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:09:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:27,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:09:27,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:27,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882559609] [2024-11-10 19:09:27,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882559609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:09:27,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:09:27,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:09:27,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633136726] [2024-11-10 19:09:27,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:09:27,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:09:27,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:27,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:09:27,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:09:27,190 INFO L87 Difference]: Start difference. First operand 251 states and 283 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:09:27,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:27,312 INFO L93 Difference]: Finished difference Result 291 states and 316 transitions. [2024-11-10 19:09:27,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:09:27,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2024-11-10 19:09:27,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:27,315 INFO L225 Difference]: With dead ends: 291 [2024-11-10 19:09:27,315 INFO L226 Difference]: Without dead ends: 288 [2024-11-10 19:09:27,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:09:27,317 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 156 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:27,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 446 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:09:27,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-10 19:09:27,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 254. [2024-11-10 19:09:27,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 171 states have (on average 1.5964912280701755) internal successors, (273), 245 states have internal predecessors, (273), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:09:27,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 285 transitions. [2024-11-10 19:09:27,330 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 285 transitions. Word has length 35 [2024-11-10 19:09:27,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:27,330 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 285 transitions. [2024-11-10 19:09:27,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:09:27,331 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 285 transitions. [2024-11-10 19:09:27,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-10 19:09:27,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:27,331 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:27,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 19:09:27,331 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-10 19:09:27,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:27,332 INFO L85 PathProgramCache]: Analyzing trace with hash 930485126, now seen corresponding path program 1 times [2024-11-10 19:09:27,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:27,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181240064] [2024-11-10 19:09:27,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:27,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:09:27,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [893843561] [2024-11-10 19:09:27,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:27,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:27,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:09:27,347 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:09:27,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 19:09:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:27,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 19:09:27,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:09:27,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:09:27,465 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:09:27,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:27,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181240064] [2024-11-10 19:09:27,465 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:09:27,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893843561] [2024-11-10 19:09:27,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893843561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:09:27,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:09:27,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:09:27,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838487582] [2024-11-10 19:09:27,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:09:27,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:09:27,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:27,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:09:27,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:09:27,467 INFO L87 Difference]: Start difference. First operand 254 states and 285 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:09:27,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:27,613 INFO L93 Difference]: Finished difference Result 408 states and 454 transitions. [2024-11-10 19:09:27,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:09:27,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2024-11-10 19:09:27,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:27,617 INFO L225 Difference]: With dead ends: 408 [2024-11-10 19:09:27,618 INFO L226 Difference]: Without dead ends: 405 [2024-11-10 19:09:27,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:09:27,619 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 143 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:27,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 374 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:09:27,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-10 19:09:27,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 329. [2024-11-10 19:09:27,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 243 states have (on average 1.625514403292181) internal successors, (395), 317 states have internal predecessors, (395), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:09:27,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 413 transitions. [2024-11-10 19:09:27,638 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 413 transitions. Word has length 36 [2024-11-10 19:09:27,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:27,639 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 413 transitions. [2024-11-10 19:09:27,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:09:27,639 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 413 transitions. [2024-11-10 19:09:27,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-10 19:09:27,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:27,640 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:27,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 19:09:27,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:27,841 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-10 19:09:27,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:27,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1219732013, now seen corresponding path program 1 times [2024-11-10 19:09:27,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:27,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654615633] [2024-11-10 19:09:27,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:27,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:27,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:09:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:28,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:09:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:28,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:09:28,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:28,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654615633] [2024-11-10 19:09:28,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654615633] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:09:28,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935561310] [2024-11-10 19:09:28,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:28,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:28,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:09:28,023 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:09:28,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 19:09:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:28,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:09:28,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:09:28,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:09:28,396 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:09:28,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:09:28,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935561310] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:09:28,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:09:28,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-10 19:09:28,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294963901] [2024-11-10 19:09:28,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:09:28,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:09:28,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:28,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:09:28,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:09:28,627 INFO L87 Difference]: Start difference. First operand 329 states and 413 transitions. Second operand has 14 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 14 states have internal predecessors, (87), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:09:29,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:29,067 INFO L93 Difference]: Finished difference Result 448 states and 489 transitions. [2024-11-10 19:09:29,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:09:29,068 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 14 states have internal predecessors, (87), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) Word has length 37 [2024-11-10 19:09:29,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:29,069 INFO L225 Difference]: With dead ends: 448 [2024-11-10 19:09:29,070 INFO L226 Difference]: Without dead ends: 445 [2024-11-10 19:09:29,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:09:29,070 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 886 mSDsluCounter, 1125 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 889 SdHoareTripleChecker+Valid, 1302 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:29,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [889 Valid, 1302 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:09:29,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-10 19:09:29,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 335. [2024-11-10 19:09:29,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 249 states have (on average 1.606425702811245) internal successors, (400), 323 states have internal predecessors, (400), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:09:29,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 418 transitions. [2024-11-10 19:09:29,107 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 418 transitions. Word has length 37 [2024-11-10 19:09:29,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:29,107 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 418 transitions. [2024-11-10 19:09:29,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 14 states have internal predecessors, (87), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:09:29,107 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 418 transitions. [2024-11-10 19:09:29,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-10 19:09:29,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:29,108 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:29,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 19:09:29,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-10 19:09:29,313 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-10 19:09:29,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:29,314 INFO L85 PathProgramCache]: Analyzing trace with hash 363612145, now seen corresponding path program 1 times [2024-11-10 19:09:29,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:29,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565386266] [2024-11-10 19:09:29,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:29,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:09:29,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1319225887] [2024-11-10 19:09:29,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:29,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:29,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:09:29,327 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:09:29,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 19:09:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:29,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:09:29,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:09:29,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:09:29,573 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:09:29,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:29,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565386266] [2024-11-10 19:09:29,695 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:09:29,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319225887] [2024-11-10 19:09:29,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319225887] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:09:29,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:09:29,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 19:09:29,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63205737] [2024-11-10 19:09:29,695 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:09:29,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:09:29,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:29,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:09:29,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:09:29,696 INFO L87 Difference]: Start difference. First operand 335 states and 418 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:09:32,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:32,181 INFO L93 Difference]: Finished difference Result 525 states and 642 transitions. [2024-11-10 19:09:32,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:09:32,182 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 39 [2024-11-10 19:09:32,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:32,184 INFO L225 Difference]: With dead ends: 525 [2024-11-10 19:09:32,185 INFO L226 Difference]: Without dead ends: 498 [2024-11-10 19:09:32,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:09:32,186 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 451 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:32,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 545 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-10 19:09:32,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2024-11-10 19:09:32,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 463. [2024-11-10 19:09:32,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 374 states have (on average 1.5133689839572193) internal successors, (566), 448 states have internal predecessors, (566), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:09:32,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 590 transitions. [2024-11-10 19:09:32,215 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 590 transitions. Word has length 39 [2024-11-10 19:09:32,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:32,215 INFO L471 AbstractCegarLoop]: Abstraction has 463 states and 590 transitions. [2024-11-10 19:09:32,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:09:32,216 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 590 transitions. [2024-11-10 19:09:32,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-10 19:09:32,217 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:32,217 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:32,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-10 19:09:32,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:32,418 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-10 19:09:32,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:32,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1538925071, now seen corresponding path program 1 times [2024-11-10 19:09:32,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:32,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540968498] [2024-11-10 19:09:32,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:32,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:09:32,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1722948883] [2024-11-10 19:09:32,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:32,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:32,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:09:32,437 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:09:32,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 19:09:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:32,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:09:32,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:09:32,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:09:32,506 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:09:32,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:32,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540968498] [2024-11-10 19:09:32,506 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:09:32,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722948883] [2024-11-10 19:09:32,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722948883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:09:32,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:09:32,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:09:32,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478501768] [2024-11-10 19:09:32,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:09:32,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:09:32,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:32,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:09:32,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:09:32,508 INFO L87 Difference]: Start difference. First operand 463 states and 590 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:09:32,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:32,739 INFO L93 Difference]: Finished difference Result 667 states and 835 transitions. [2024-11-10 19:09:32,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:09:32,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2024-11-10 19:09:32,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:32,742 INFO L225 Difference]: With dead ends: 667 [2024-11-10 19:09:32,742 INFO L226 Difference]: Without dead ends: 626 [2024-11-10 19:09:32,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:09:32,745 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 123 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:32,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 320 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:09:32,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2024-11-10 19:09:32,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 592. [2024-11-10 19:09:32,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 500 states have (on average 1.456) internal successors, (728), 574 states have internal predecessors, (728), 15 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-10 19:09:32,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 758 transitions. [2024-11-10 19:09:32,798 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 758 transitions. Word has length 41 [2024-11-10 19:09:32,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:32,798 INFO L471 AbstractCegarLoop]: Abstraction has 592 states and 758 transitions. [2024-11-10 19:09:32,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:09:32,798 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 758 transitions. [2024-11-10 19:09:32,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-10 19:09:32,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:32,801 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:32,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 19:09:33,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:33,002 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-10 19:09:33,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:33,002 INFO L85 PathProgramCache]: Analyzing trace with hash -725034534, now seen corresponding path program 1 times [2024-11-10 19:09:33,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:33,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766758368] [2024-11-10 19:09:33,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:33,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:33,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:09:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:33,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:09:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:33,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:09:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:33,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:09:33,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:33,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766758368] [2024-11-10 19:09:33,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766758368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:09:33,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:09:33,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:09:33,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25844073] [2024-11-10 19:09:33,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:09:33,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:09:33,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:33,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:09:33,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:09:33,123 INFO L87 Difference]: Start difference. First operand 592 states and 758 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:09:33,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:33,215 INFO L93 Difference]: Finished difference Result 688 states and 867 transitions. [2024-11-10 19:09:33,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:09:33,216 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 59 [2024-11-10 19:09:33,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:33,218 INFO L225 Difference]: With dead ends: 688 [2024-11-10 19:09:33,219 INFO L226 Difference]: Without dead ends: 687 [2024-11-10 19:09:33,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:09:33,220 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 123 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:33,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 796 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:09:33,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2024-11-10 19:09:33,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 658. [2024-11-10 19:09:33,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 563 states have (on average 1.4440497335701599) internal successors, (813), 636 states have internal predecessors, (813), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:09:33,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 847 transitions. [2024-11-10 19:09:33,252 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 847 transitions. Word has length 59 [2024-11-10 19:09:33,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:33,253 INFO L471 AbstractCegarLoop]: Abstraction has 658 states and 847 transitions. [2024-11-10 19:09:33,253 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:09:33,253 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 847 transitions. [2024-11-10 19:09:33,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-10 19:09:33,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:33,254 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:33,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 19:09:33,254 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-10 19:09:33,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:33,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1001233958, now seen corresponding path program 1 times [2024-11-10 19:09:33,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:33,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261537606] [2024-11-10 19:09:33,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:33,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:33,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:09:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:33,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:09:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:33,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:09:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:33,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:09:33,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:33,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261537606] [2024-11-10 19:09:33,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261537606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:09:33,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:09:33,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:09:33,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563711589] [2024-11-10 19:09:33,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:09:33,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:09:33,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:33,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:09:33,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:09:33,358 INFO L87 Difference]: Start difference. First operand 658 states and 847 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:09:33,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:33,446 INFO L93 Difference]: Finished difference Result 1198 states and 1552 transitions. [2024-11-10 19:09:33,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:09:33,446 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 60 [2024-11-10 19:09:33,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:33,449 INFO L225 Difference]: With dead ends: 1198 [2024-11-10 19:09:33,449 INFO L226 Difference]: Without dead ends: 658 [2024-11-10 19:09:33,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:09:33,451 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 18 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 958 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:33,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 958 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:09:33,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-11-10 19:09:33,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 658. [2024-11-10 19:09:33,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 563 states have (on average 1.4404973357015987) internal successors, (811), 636 states have internal predecessors, (811), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:09:33,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 845 transitions. [2024-11-10 19:09:33,480 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 845 transitions. Word has length 60 [2024-11-10 19:09:33,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:33,481 INFO L471 AbstractCegarLoop]: Abstraction has 658 states and 845 transitions. [2024-11-10 19:09:33,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:09:33,481 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 845 transitions. [2024-11-10 19:09:33,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-10 19:09:33,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:33,482 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:33,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 19:09:33,482 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-10 19:09:33,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:33,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1954930230, now seen corresponding path program 1 times [2024-11-10 19:09:33,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:33,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605019333] [2024-11-10 19:09:33,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:33,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:33,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:09:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:33,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:09:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:33,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:09:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:33,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-10 19:09:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:33,576 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:09:33,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:33,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605019333] [2024-11-10 19:09:33,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605019333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:09:33,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:09:33,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:09:33,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18053030] [2024-11-10 19:09:33,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:09:33,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:09:33,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:33,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:09:33,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:09:33,578 INFO L87 Difference]: Start difference. First operand 658 states and 845 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:09:33,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:33,815 INFO L93 Difference]: Finished difference Result 694 states and 849 transitions. [2024-11-10 19:09:33,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:09:33,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 87 [2024-11-10 19:09:33,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:33,819 INFO L225 Difference]: With dead ends: 694 [2024-11-10 19:09:33,820 INFO L226 Difference]: Without dead ends: 693 [2024-11-10 19:09:33,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:09:33,821 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 89 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:33,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 366 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:09:33,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-11-10 19:09:33,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 658. [2024-11-10 19:09:33,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 563 states have (on average 1.4351687388987566) internal successors, (808), 636 states have internal predecessors, (808), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:09:33,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 842 transitions. [2024-11-10 19:09:33,851 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 842 transitions. Word has length 87 [2024-11-10 19:09:33,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:33,852 INFO L471 AbstractCegarLoop]: Abstraction has 658 states and 842 transitions. [2024-11-10 19:09:33,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:09:33,852 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 842 transitions. [2024-11-10 19:09:33,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-10 19:09:33,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:33,853 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:33,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 19:09:33,853 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-10 19:09:33,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:33,854 INFO L85 PathProgramCache]: Analyzing trace with hash 473293775, now seen corresponding path program 1 times [2024-11-10 19:09:33,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:33,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580382364] [2024-11-10 19:09:33,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:33,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:33,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:09:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:33,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:09:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:33,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:09:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:33,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-10 19:09:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:33,971 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:09:33,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:33,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580382364] [2024-11-10 19:09:33,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580382364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:09:33,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:09:33,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 19:09:33,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090733428] [2024-11-10 19:09:33,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:09:33,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:09:33,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:33,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:09:33,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:09:33,974 INFO L87 Difference]: Start difference. First operand 658 states and 842 transitions. Second operand has 8 states, 7 states have (on average 10.571428571428571) internal successors, (74), 8 states have internal predecessors, (74), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:09:34,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:34,123 INFO L93 Difference]: Finished difference Result 663 states and 845 transitions. [2024-11-10 19:09:34,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:09:34,124 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.571428571428571) internal successors, (74), 8 states have internal predecessors, (74), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 88 [2024-11-10 19:09:34,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:34,126 INFO L225 Difference]: With dead ends: 663 [2024-11-10 19:09:34,126 INFO L226 Difference]: Without dead ends: 660 [2024-11-10 19:09:34,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:09:34,127 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 294 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:34,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 871 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:09:34,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2024-11-10 19:09:34,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 659. [2024-11-10 19:09:34,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 566 states have (on average 1.3975265017667844) internal successors, (791), 636 states have internal predecessors, (791), 17 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:09:34,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 825 transitions. [2024-11-10 19:09:34,178 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 825 transitions. Word has length 88 [2024-11-10 19:09:34,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:34,179 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 825 transitions. [2024-11-10 19:09:34,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.571428571428571) internal successors, (74), 8 states have internal predecessors, (74), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:09:34,179 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 825 transitions. [2024-11-10 19:09:34,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-10 19:09:34,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:34,180 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:34,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 19:09:34,180 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-10 19:09:34,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:34,180 INFO L85 PathProgramCache]: Analyzing trace with hash 473295056, now seen corresponding path program 1 times [2024-11-10 19:09:34,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:34,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351364613] [2024-11-10 19:09:34,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:34,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:34,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:09:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:34,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:09:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:34,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:09:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:34,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-10 19:09:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:34,272 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:09:34,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:34,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351364613] [2024-11-10 19:09:34,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351364613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:09:34,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:09:34,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:09:34,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588468827] [2024-11-10 19:09:34,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:09:34,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:09:34,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:34,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:09:34,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:09:34,274 INFO L87 Difference]: Start difference. First operand 659 states and 825 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:09:34,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:34,697 INFO L93 Difference]: Finished difference Result 704 states and 850 transitions. [2024-11-10 19:09:34,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:09:34,699 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 88 [2024-11-10 19:09:34,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:34,702 INFO L225 Difference]: With dead ends: 704 [2024-11-10 19:09:34,703 INFO L226 Difference]: Without dead ends: 703 [2024-11-10 19:09:34,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:09:34,704 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 376 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:34,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 337 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:09:34,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2024-11-10 19:09:34,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 659. [2024-11-10 19:09:34,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 566 states have (on average 1.392226148409894) internal successors, (788), 636 states have internal predecessors, (788), 17 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:09:34,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 822 transitions. [2024-11-10 19:09:34,736 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 822 transitions. Word has length 88 [2024-11-10 19:09:34,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:34,736 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 822 transitions. [2024-11-10 19:09:34,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:09:34,737 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 822 transitions. [2024-11-10 19:09:34,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-10 19:09:34,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:34,737 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:34,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 19:09:34,738 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-10 19:09:34,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:34,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1787205195, now seen corresponding path program 1 times [2024-11-10 19:09:34,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:34,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150430059] [2024-11-10 19:09:34,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:34,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:34,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:09:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:34,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:09:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:34,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:09:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:34,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-10 19:09:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:34,854 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:09:34,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:34,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150430059] [2024-11-10 19:09:34,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150430059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:09:34,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:09:34,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 19:09:34,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825211824] [2024-11-10 19:09:34,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:09:34,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:09:34,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:34,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:09:34,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:09:34,857 INFO L87 Difference]: Start difference. First operand 659 states and 822 transitions. Second operand has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:09:35,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:35,005 INFO L93 Difference]: Finished difference Result 1215 states and 1522 transitions. [2024-11-10 19:09:35,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:09:35,006 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 89 [2024-11-10 19:09:35,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:35,008 INFO L225 Difference]: With dead ends: 1215 [2024-11-10 19:09:35,008 INFO L226 Difference]: Without dead ends: 674 [2024-11-10 19:09:35,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:09:35,010 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 37 mSDsluCounter, 1095 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 1290 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:35,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 1290 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:09:35,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2024-11-10 19:09:35,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 668. [2024-11-10 19:09:35,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 574 states have (on average 1.386759581881533) internal successors, (796), 644 states have internal predecessors, (796), 17 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:09:35,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 830 transitions. [2024-11-10 19:09:35,039 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 830 transitions. Word has length 89 [2024-11-10 19:09:35,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:35,039 INFO L471 AbstractCegarLoop]: Abstraction has 668 states and 830 transitions. [2024-11-10 19:09:35,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:09:35,040 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 830 transitions. [2024-11-10 19:09:35,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-10 19:09:35,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:35,040 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:35,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 19:09:35,041 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-10 19:09:35,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:35,041 INFO L85 PathProgramCache]: Analyzing trace with hash -572581879, now seen corresponding path program 1 times [2024-11-10 19:09:35,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:35,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244971406] [2024-11-10 19:09:35,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:35,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:35,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:09:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:35,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:09:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:35,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:09:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:35,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-10 19:09:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:35,137 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:09:35,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:35,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244971406] [2024-11-10 19:09:35,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244971406] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:09:35,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586124757] [2024-11-10 19:09:35,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:35,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:35,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:09:35,140 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:09:35,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:09:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:35,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:09:35,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:09:35,295 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:09:35,296 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:09:35,446 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:09:35,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586124757] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:09:35,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:09:35,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2024-11-10 19:09:35,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808203115] [2024-11-10 19:09:35,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:09:35,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:09:35,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:35,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:09:35,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:09:35,449 INFO L87 Difference]: Start difference. First operand 668 states and 830 transitions. Second operand has 14 states, 13 states have (on average 12.692307692307692) internal successors, (165), 14 states have internal predecessors, (165), 6 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-10 19:09:35,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:35,692 INFO L93 Difference]: Finished difference Result 1122 states and 1369 transitions. [2024-11-10 19:09:35,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 19:09:35,693 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.692307692307692) internal successors, (165), 14 states have internal predecessors, (165), 6 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 95 [2024-11-10 19:09:35,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:35,698 INFO L225 Difference]: With dead ends: 1122 [2024-11-10 19:09:35,698 INFO L226 Difference]: Without dead ends: 785 [2024-11-10 19:09:35,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:09:35,700 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 118 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 1666 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:35,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 1666 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:09:35,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2024-11-10 19:09:35,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 742. [2024-11-10 19:09:35,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 644 states have (on average 1.3928571428571428) internal successors, (897), 714 states have internal predecessors, (897), 19 states have call successors, (19), 8 states have call predecessors, (19), 8 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 19:09:35,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 935 transitions. [2024-11-10 19:09:35,751 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 935 transitions. Word has length 95 [2024-11-10 19:09:35,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:35,752 INFO L471 AbstractCegarLoop]: Abstraction has 742 states and 935 transitions. [2024-11-10 19:09:35,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.692307692307692) internal successors, (165), 14 states have internal predecessors, (165), 6 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-10 19:09:35,752 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 935 transitions. [2024-11-10 19:09:35,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-10 19:09:35,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:35,754 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:35,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 19:09:35,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:35,957 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-10 19:09:35,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:35,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1823456583, now seen corresponding path program 1 times [2024-11-10 19:09:35,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:35,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707503442] [2024-11-10 19:09:35,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:35,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:36,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:09:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:36,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:09:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:36,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:09:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:36,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-10 19:09:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:36,097 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:09:36,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:36,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707503442] [2024-11-10 19:09:36,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707503442] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:09:36,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16337051] [2024-11-10 19:09:36,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:36,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:36,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:09:36,100 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:09:36,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:09:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:36,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:09:36,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:09:36,406 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:09:36,406 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:09:36,567 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:09:36,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16337051] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:09:36,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:09:36,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-10 19:09:36,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435877809] [2024-11-10 19:09:36,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:09:36,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:09:36,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:36,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:09:36,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:09:36,570 INFO L87 Difference]: Start difference. First operand 742 states and 935 transitions. Second operand has 14 states, 13 states have (on average 17.46153846153846) internal successors, (227), 14 states have internal predecessors, (227), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-10 19:09:37,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:09:37,943 INFO L93 Difference]: Finished difference Result 1958 states and 2424 transitions. [2024-11-10 19:09:37,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 19:09:37,944 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 17.46153846153846) internal successors, (227), 14 states have internal predecessors, (227), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 98 [2024-11-10 19:09:37,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:09:37,949 INFO L225 Difference]: With dead ends: 1958 [2024-11-10 19:09:37,949 INFO L226 Difference]: Without dead ends: 1417 [2024-11-10 19:09:37,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=209, Invalid=391, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:09:37,950 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 2132 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 1415 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2132 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:09:37,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2132 Valid, 1022 Invalid, 1499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1415 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 19:09:37,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1417 states. [2024-11-10 19:09:37,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1417 to 1079. [2024-11-10 19:09:37,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1079 states, 971 states have (on average 1.3861997940267765) internal successors, (1346), 1040 states have internal predecessors, (1346), 30 states have call successors, (30), 8 states have call predecessors, (30), 8 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-10 19:09:37,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1406 transitions. [2024-11-10 19:09:37,997 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1406 transitions. Word has length 98 [2024-11-10 19:09:37,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:09:37,998 INFO L471 AbstractCegarLoop]: Abstraction has 1079 states and 1406 transitions. [2024-11-10 19:09:37,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 17.46153846153846) internal successors, (227), 14 states have internal predecessors, (227), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-10 19:09:37,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1406 transitions. [2024-11-10 19:09:37,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-10 19:09:37,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:09:37,999 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:09:38,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-10 19:09:38,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:38,203 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-10 19:09:38,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:09:38,203 INFO L85 PathProgramCache]: Analyzing trace with hash 692579334, now seen corresponding path program 1 times [2024-11-10 19:09:38,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:09:38,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691557490] [2024-11-10 19:09:38,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:38,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:09:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:38,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:09:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:38,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:09:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:38,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:09:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:38,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-10 19:09:38,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:38,330 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:09:38,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:09:38,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691557490] [2024-11-10 19:09:38,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691557490] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:09:38,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861613524] [2024-11-10 19:09:38,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:09:38,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:09:38,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:09:38,332 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:09:38,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 19:09:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:09:38,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:09:38,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:09:52,727 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~R~0#1_46| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~R~0#1_46| |v_ULTIMATE.start_main_~R~0#1_46|))) (and (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1) .cse0) (<= .cse0 9223372036854775807)))) is different from true [2024-11-10 19:09:52,774 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 7 not checked. [2024-11-10 19:09:52,774 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:09:56,946 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:09:56,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861613524] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:09:56,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:09:56,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-10 19:09:56,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404803063] [2024-11-10 19:09:56,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:09:56,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:09:56,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:09:56,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:09:56,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=105, Unknown=6, NotChecked=22, Total=182 [2024-11-10 19:09:56,948 INFO L87 Difference]: Start difference. First operand 1079 states and 1406 transitions. Second operand has 14 states, 13 states have (on average 16.846153846153847) internal successors, (219), 14 states have internal predecessors, (219), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:10:26,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-10 19:10:30,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-10 19:10:34,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-10 19:10:38,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-10 19:10:40,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-10 19:10:46,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-10 19:10:50,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-10 19:10:51,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-10 19:10:52,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-10 19:10:56,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-10 19:11:00,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]