./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30672bd579b7f25ffa685cb80d8a419cb542781c19afe0226ba5d9d3cf26984c --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 18:33:19,780 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 18:33:19,862 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 18:33:19,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 18:33:19,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 18:33:19,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 18:33:19,898 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 18:33:19,899 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 18:33:19,899 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 18:33:19,901 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 18:33:19,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 18:33:19,902 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 18:33:19,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 18:33:19,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 18:33:19,904 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 18:33:19,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 18:33:19,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 18:33:19,907 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 18:33:19,907 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 18:33:19,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 18:33:19,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 18:33:19,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 18:33:19,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 18:33:19,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 18:33:19,909 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 18:33:19,909 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 18:33:19,910 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 18:33:19,910 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 18:33:19,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 18:33:19,910 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 18:33:19,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 18:33:19,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 18:33:19,911 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 18:33:19,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 18:33:19,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:33:19,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 18:33:19,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 18:33:19,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 18:33:19,913 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 18:33:19,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 18:33:19,914 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 18:33:19,915 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 18:33:19,915 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 18:33:19,915 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 18:33:19,916 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30672bd579b7f25ffa685cb80d8a419cb542781c19afe0226ba5d9d3cf26984c [2024-11-20 18:33:20,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 18:33:20,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 18:33:20,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 18:33:20,183 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 18:33:20,183 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 18:33:20,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.c [2024-11-20 18:33:21,602 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 18:33:21,797 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 18:33:21,797 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.c [2024-11-20 18:33:21,805 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3995a9538/95ca6f1c8fb8453fa3bfdb95e75a85d0/FLAGd5316744b [2024-11-20 18:33:21,817 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3995a9538/95ca6f1c8fb8453fa3bfdb95e75a85d0 [2024-11-20 18:33:21,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 18:33:21,821 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 18:33:21,822 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 18:33:21,822 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 18:33:21,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 18:33:21,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:33:21" (1/1) ... [2024-11-20 18:33:21,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@539e1a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:33:21, skipping insertion in model container [2024-11-20 18:33:21,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:33:21" (1/1) ... [2024-11-20 18:33:21,854 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 18:33:22,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:33:22,047 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 18:33:22,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:33:22,083 INFO L204 MainTranslator]: Completed translation [2024-11-20 18:33:22,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:33:22 WrapperNode [2024-11-20 18:33:22,084 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 18:33:22,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 18:33:22,085 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 18:33:22,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 18:33:22,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:33:22" (1/1) ... [2024-11-20 18:33:22,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:33:22" (1/1) ... [2024-11-20 18:33:22,118 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 160 [2024-11-20 18:33:22,118 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 18:33:22,119 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 18:33:22,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 18:33:22,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 18:33:22,130 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:33:22" (1/1) ... [2024-11-20 18:33:22,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:33:22" (1/1) ... [2024-11-20 18:33:22,132 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:33:22" (1/1) ... [2024-11-20 18:33:22,142 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]. [2024-11-20 18:33:22,142 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:33:22" (1/1) ... [2024-11-20 18:33:22,143 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:33:22" (1/1) ... [2024-11-20 18:33:22,146 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:33:22" (1/1) ... [2024-11-20 18:33:22,149 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:33:22" (1/1) ... [2024-11-20 18:33:22,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:33:22" (1/1) ... [2024-11-20 18:33:22,151 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:33:22" (1/1) ... [2024-11-20 18:33:22,153 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 18:33:22,154 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 18:33:22,154 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 18:33:22,155 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 18:33:22,155 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:33:22" (1/1) ... [2024-11-20 18:33:22,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:33:22,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:22,193 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) [2024-11-20 18:33:22,198 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 [2024-11-20 18:33:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 18:33:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 18:33:22,241 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 18:33:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 18:33:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 18:33:22,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 18:33:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 18:33:22,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 18:33:22,292 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 18:33:22,293 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 18:33:22,882 INFO L? ?]: Removed 200 outVars from TransFormulas that were not future-live. [2024-11-20 18:33:22,882 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 18:33:22,907 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 18:33:22,909 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-20 18:33:22,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:33:22 BoogieIcfgContainer [2024-11-20 18:33:22,910 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 18:33:22,912 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 18:33:22,912 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 18:33:22,916 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 18:33:22,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:33:21" (1/3) ... [2024-11-20 18:33:22,918 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b980287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:33:22, skipping insertion in model container [2024-11-20 18:33:22,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:33:22" (2/3) ... [2024-11-20 18:33:22,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b980287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:33:22, skipping insertion in model container [2024-11-20 18:33:22,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:33:22" (3/3) ... [2024-11-20 18:33:22,921 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd2-ll_unwindbound100.c [2024-11-20 18:33:22,937 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 18:33:22,938 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 68 error locations. [2024-11-20 18:33:22,998 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 18:33:23,003 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;@3e2d108f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 18:33:23,004 INFO L334 AbstractCegarLoop]: Starting to check reachability of 68 error locations. [2024-11-20 18:33:23,008 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 89 states have (on average 1.853932584269663) internal successors, (165), 158 states have internal predecessors, (165), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-20 18:33:23,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-20 18:33:23,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:23,014 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:23,014 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:23,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:23,018 INFO L85 PathProgramCache]: Analyzing trace with hash -863715224, now seen corresponding path program 1 times [2024-11-20 18:33:23,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:23,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669619510] [2024-11-20 18:33:23,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:23,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:23,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:33:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:23,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:33:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:23,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:33:23,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:23,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669619510] [2024-11-20 18:33:23,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669619510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:23,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:33:23,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:33:23,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40361301] [2024-11-20 18:33:23,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:23,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 18:33:23,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:23,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 18:33:23,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 18:33:23,237 INFO L87 Difference]: Start difference. First operand has 170 states, 89 states have (on average 1.853932584269663) internal successors, (165), 158 states have internal predecessors, (165), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:33:23,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:23,276 INFO L93 Difference]: Finished difference Result 335 states and 375 transitions. [2024-11-20 18:33:23,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 18:33:23,278 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-11-20 18:33:23,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:23,288 INFO L225 Difference]: With dead ends: 335 [2024-11-20 18:33:23,288 INFO L226 Difference]: Without dead ends: 162 [2024-11-20 18:33:23,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 18:33:23,298 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:23,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:33:23,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-20 18:33:23,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-11-20 18:33:23,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 84 states have (on average 1.8333333333333333) internal successors, (154), 151 states have internal predecessors, (154), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-20 18:33:23,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 172 transitions. [2024-11-20 18:33:23,358 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 172 transitions. Word has length 14 [2024-11-20 18:33:23,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:23,359 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 172 transitions. [2024-11-20 18:33:23,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:33:23,360 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 172 transitions. [2024-11-20 18:33:23,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-20 18:33:23,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:23,362 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:23,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 18:33:23,362 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:23,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:23,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1254895192, now seen corresponding path program 1 times [2024-11-20 18:33:23,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:23,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521332260] [2024-11-20 18:33:23,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:23,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:33:23,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [617545098] [2024-11-20 18:33:23,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:23,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:23,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:23,424 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) [2024-11-20 18:33:23,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 18:33:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:23,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-20 18:33:23,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:23,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:33:23,617 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:33:23,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:23,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521332260] [2024-11-20 18:33:23,619 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:33:23,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617545098] [2024-11-20 18:33:23,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617545098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:23,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:33:23,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 18:33:23,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366345898] [2024-11-20 18:33:23,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:23,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 18:33:23,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:23,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 18:33:23,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:33:23,624 INFO L87 Difference]: Start difference. First operand 162 states and 172 transitions. Second operand has 7 states, 4 states have (on average 1.75) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:33:23,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:23,977 INFO L93 Difference]: Finished difference Result 162 states and 172 transitions. [2024-11-20 18:33:23,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:33:23,979 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 1.75) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-11-20 18:33:23,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:23,980 INFO L225 Difference]: With dead ends: 162 [2024-11-20 18:33:23,981 INFO L226 Difference]: Without dead ends: 160 [2024-11-20 18:33:23,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:33:23,982 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 220 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:23,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 256 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:33:23,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-20 18:33:23,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2024-11-20 18:33:23,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 84 states have (on average 1.8095238095238095) internal successors, (152), 149 states have internal predecessors, (152), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-20 18:33:23,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 170 transitions. [2024-11-20 18:33:24,000 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 170 transitions. Word has length 14 [2024-11-20 18:33:24,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:24,002 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 170 transitions. [2024-11-20 18:33:24,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 1.75) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:33:24,003 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 170 transitions. [2024-11-20 18:33:24,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-20 18:33:24,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:24,004 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:24,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 18:33:24,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:24,205 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:24,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:24,205 INFO L85 PathProgramCache]: Analyzing trace with hash -247045249, now seen corresponding path program 1 times [2024-11-20 18:33:24,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:24,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655033895] [2024-11-20 18:33:24,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:24,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:33:24,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [713547404] [2024-11-20 18:33:24,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:24,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:24,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:24,230 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) [2024-11-20 18:33:24,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 18:33:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:24,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 18:33:24,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:24,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 18:33:24,340 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:33:24,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:24,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655033895] [2024-11-20 18:33:24,341 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:33:24,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713547404] [2024-11-20 18:33:24,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713547404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:24,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:33:24,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 18:33:24,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168290332] [2024-11-20 18:33:24,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:24,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:33:24,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:24,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:33:24,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:33:24,343 INFO L87 Difference]: Start difference. First operand 160 states and 170 transitions. Second operand has 6 states, 4 states have (on average 2.75) internal successors, (11), 6 states have internal predecessors, (11), 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) [2024-11-20 18:33:24,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:24,611 INFO L93 Difference]: Finished difference Result 160 states and 170 transitions. [2024-11-20 18:33:24,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:33:24,612 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.75) internal successors, (11), 6 states have internal predecessors, (11), 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 15 [2024-11-20 18:33:24,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:24,613 INFO L225 Difference]: With dead ends: 160 [2024-11-20 18:33:24,613 INFO L226 Difference]: Without dead ends: 159 [2024-11-20 18:33:24,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:33:24,615 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 206 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:24,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 256 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:33:24,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-20 18:33:24,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-11-20 18:33:24,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 84 states have (on average 1.7976190476190477) internal successors, (151), 148 states have internal predecessors, (151), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-20 18:33:24,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 169 transitions. [2024-11-20 18:33:24,630 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 169 transitions. Word has length 15 [2024-11-20 18:33:24,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:24,630 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 169 transitions. [2024-11-20 18:33:24,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.75) internal successors, (11), 6 states have internal predecessors, (11), 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) [2024-11-20 18:33:24,631 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 169 transitions. [2024-11-20 18:33:24,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-20 18:33:24,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:24,632 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:24,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-20 18:33:24,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-20 18:33:24,833 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:24,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:24,833 INFO L85 PathProgramCache]: Analyzing trace with hash -403184857, now seen corresponding path program 1 times [2024-11-20 18:33:24,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:24,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308365812] [2024-11-20 18:33:24,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:24,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:24,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:33:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:24,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:33:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:24,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:33:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:24,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 18:33:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:24,974 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:33:24,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:24,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308365812] [2024-11-20 18:33:24,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308365812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:24,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:33:24,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:33:24,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573752432] [2024-11-20 18:33:24,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:24,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:33:24,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:24,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:33:24,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:33:24,977 INFO L87 Difference]: Start difference. First operand 159 states and 169 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 18:33:25,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:25,021 INFO L93 Difference]: Finished difference Result 200 states and 211 transitions. [2024-11-20 18:33:25,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:33:25,021 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2024-11-20 18:33:25,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:25,024 INFO L225 Difference]: With dead ends: 200 [2024-11-20 18:33:25,024 INFO L226 Difference]: Without dead ends: 199 [2024-11-20 18:33:25,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:33:25,026 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 48 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:25,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 469 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:33:25,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-20 18:33:25,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 175. [2024-11-20 18:33:25,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 98 states have (on average 1.7755102040816326) internal successors, (174), 162 states have internal predecessors, (174), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-20 18:33:25,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 194 transitions. [2024-11-20 18:33:25,051 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 194 transitions. Word has length 29 [2024-11-20 18:33:25,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:25,051 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 194 transitions. [2024-11-20 18:33:25,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 18:33:25,052 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 194 transitions. [2024-11-20 18:33:25,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-20 18:33:25,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:25,052 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:25,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 18:33:25,053 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:25,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:25,055 INFO L85 PathProgramCache]: Analyzing trace with hash 386171375, now seen corresponding path program 1 times [2024-11-20 18:33:25,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:25,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490373807] [2024-11-20 18:33:25,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:25,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:25,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:33:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:25,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:33:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:25,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:33:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:25,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 18:33:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:25,166 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:33:25,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:25,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490373807] [2024-11-20 18:33:25,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490373807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:25,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:33:25,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:33:25,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44528203] [2024-11-20 18:33:25,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:25,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:33:25,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:25,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:33:25,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:33:25,174 INFO L87 Difference]: Start difference. First operand 175 states and 194 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 18:33:25,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:25,211 INFO L93 Difference]: Finished difference Result 205 states and 222 transitions. [2024-11-20 18:33:25,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:33:25,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2024-11-20 18:33:25,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:25,214 INFO L225 Difference]: With dead ends: 205 [2024-11-20 18:33:25,214 INFO L226 Difference]: Without dead ends: 175 [2024-11-20 18:33:25,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:33:25,219 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 10 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:25,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 472 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:33:25,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-20 18:33:25,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2024-11-20 18:33:25,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 98 states have (on average 1.7551020408163265) internal successors, (172), 162 states have internal predecessors, (172), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-20 18:33:25,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 192 transitions. [2024-11-20 18:33:25,239 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 192 transitions. Word has length 30 [2024-11-20 18:33:25,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:25,239 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 192 transitions. [2024-11-20 18:33:25,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 18:33:25,239 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 192 transitions. [2024-11-20 18:33:25,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-20 18:33:25,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:25,240 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:25,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 18:33:25,240 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:25,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:25,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1785894546, now seen corresponding path program 1 times [2024-11-20 18:33:25,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:25,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531167726] [2024-11-20 18:33:25,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:25,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:25,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:33:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:25,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:33:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:25,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:33:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:25,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 18:33:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:25,380 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 18:33:25,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:25,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531167726] [2024-11-20 18:33:25,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531167726] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:33:25,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236571992] [2024-11-20 18:33:25,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:25,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:25,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:25,383 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) [2024-11-20 18:33:25,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 18:33:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:25,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 18:33:25,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:25,451 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:33:25,451 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:33:25,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236571992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:25,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:33:25,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-11-20 18:33:25,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122434538] [2024-11-20 18:33:25,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:25,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:33:25,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:25,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:33:25,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:33:25,454 INFO L87 Difference]: Start difference. First operand 175 states and 192 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-11-20 18:33:25,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:25,686 INFO L93 Difference]: Finished difference Result 277 states and 309 transitions. [2024-11-20 18:33:25,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:33:25,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 33 [2024-11-20 18:33:25,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:25,688 INFO L225 Difference]: With dead ends: 277 [2024-11-20 18:33:25,688 INFO L226 Difference]: Without dead ends: 267 [2024-11-20 18:33:25,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:33:25,689 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 95 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:25,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 234 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:33:25,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-11-20 18:33:25,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 227. [2024-11-20 18:33:25,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 146 states have (on average 1.7534246575342465) internal successors, (256), 210 states have internal predecessors, (256), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-20 18:33:25,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 284 transitions. [2024-11-20 18:33:25,710 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 284 transitions. Word has length 33 [2024-11-20 18:33:25,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:25,711 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 284 transitions. [2024-11-20 18:33:25,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-11-20 18:33:25,711 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 284 transitions. [2024-11-20 18:33:25,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-20 18:33:25,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:25,712 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:25,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 18:33:25,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:25,913 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:25,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:25,913 INFO L85 PathProgramCache]: Analyzing trace with hash 471842102, now seen corresponding path program 1 times [2024-11-20 18:33:25,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:25,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795797442] [2024-11-20 18:33:25,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:25,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:25,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:33:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:26,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:33:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:26,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:33:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:26,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 18:33:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:26,021 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:33:26,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:26,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795797442] [2024-11-20 18:33:26,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795797442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:26,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:33:26,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 18:33:26,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243095571] [2024-11-20 18:33:26,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:26,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:33:26,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:26,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:33:26,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:33:26,024 INFO L87 Difference]: Start difference. First operand 227 states and 284 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 18:33:26,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:26,103 INFO L93 Difference]: Finished difference Result 227 states and 284 transitions. [2024-11-20 18:33:26,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:33:26,104 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2024-11-20 18:33:26,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:26,105 INFO L225 Difference]: With dead ends: 227 [2024-11-20 18:33:26,105 INFO L226 Difference]: Without dead ends: 225 [2024-11-20 18:33:26,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:33:26,106 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 157 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:26,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 472 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:33:26,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-20 18:33:26,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2024-11-20 18:33:26,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 146 states have (on average 1.7328767123287672) internal successors, (253), 208 states have internal predecessors, (253), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-20 18:33:26,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 281 transitions. [2024-11-20 18:33:26,124 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 281 transitions. Word has length 34 [2024-11-20 18:33:26,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:26,124 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 281 transitions. [2024-11-20 18:33:26,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 18:33:26,124 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 281 transitions. [2024-11-20 18:33:26,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-20 18:33:26,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:26,128 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:26,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 18:33:26,129 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:26,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:26,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1742265904, now seen corresponding path program 1 times [2024-11-20 18:33:26,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:26,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536752284] [2024-11-20 18:33:26,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:26,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:26,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:33:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:26,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:33:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:26,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:33:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:26,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 18:33:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:26,239 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 18:33:26,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:26,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536752284] [2024-11-20 18:33:26,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536752284] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:33:26,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271558154] [2024-11-20 18:33:26,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:26,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:26,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:26,243 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) [2024-11-20 18:33:26,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 18:33:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:26,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:33:26,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:26,378 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:33:26,379 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:33:26,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271558154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:26,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:33:26,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-20 18:33:26,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481159264] [2024-11-20 18:33:26,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:26,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:33:26,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:26,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:33:26,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:33:26,381 INFO L87 Difference]: Start difference. First operand 225 states and 281 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-11-20 18:33:26,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:26,585 INFO L93 Difference]: Finished difference Result 255 states and 304 transitions. [2024-11-20 18:33:26,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:33:26,586 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 35 [2024-11-20 18:33:26,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:26,587 INFO L225 Difference]: With dead ends: 255 [2024-11-20 18:33:26,587 INFO L226 Difference]: Without dead ends: 252 [2024-11-20 18:33:26,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:33:26,588 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 281 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:26,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 170 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:33:26,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-20 18:33:26,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 225. [2024-11-20 18:33:26,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 146 states have (on average 1.7123287671232876) internal successors, (250), 208 states have internal predecessors, (250), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-20 18:33:26,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 278 transitions. [2024-11-20 18:33:26,598 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 278 transitions. Word has length 35 [2024-11-20 18:33:26,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:26,598 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 278 transitions. [2024-11-20 18:33:26,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-11-20 18:33:26,599 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 278 transitions. [2024-11-20 18:33:26,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-20 18:33:26,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:26,600 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:26,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 18:33:26,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:26,801 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:26,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:26,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1742203347, now seen corresponding path program 1 times [2024-11-20 18:33:26,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:26,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832032388] [2024-11-20 18:33:26,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:26,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:26,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:33:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:26,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:33:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:26,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:33:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:26,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 18:33:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:26,861 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:33:26,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:26,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832032388] [2024-11-20 18:33:26,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832032388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:26,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:33:26,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 18:33:26,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450603599] [2024-11-20 18:33:26,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:26,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:33:26,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:26,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:33:26,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:33:26,864 INFO L87 Difference]: Start difference. First operand 225 states and 278 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 18:33:26,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:26,925 INFO L93 Difference]: Finished difference Result 389 states and 447 transitions. [2024-11-20 18:33:26,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 18:33:26,926 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2024-11-20 18:33:26,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:26,927 INFO L225 Difference]: With dead ends: 389 [2024-11-20 18:33:26,927 INFO L226 Difference]: Without dead ends: 244 [2024-11-20 18:33:26,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:33:26,929 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 44 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:26,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 640 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:33:26,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-20 18:33:26,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 229. [2024-11-20 18:33:26,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 150 states have (on average 1.6933333333333334) internal successors, (254), 212 states have internal predecessors, (254), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-20 18:33:26,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 282 transitions. [2024-11-20 18:33:26,939 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 282 transitions. Word has length 35 [2024-11-20 18:33:26,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:26,940 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 282 transitions. [2024-11-20 18:33:26,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 18:33:26,940 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 282 transitions. [2024-11-20 18:33:26,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-20 18:33:26,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:26,941 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:26,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 18:33:26,941 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:26,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:26,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1824331626, now seen corresponding path program 1 times [2024-11-20 18:33:26,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:26,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114126704] [2024-11-20 18:33:26,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:26,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:27,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:33:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:27,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:33:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:27,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:33:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:27,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 18:33:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:27,037 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 18:33:27,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:27,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114126704] [2024-11-20 18:33:27,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114126704] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:33:27,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211338358] [2024-11-20 18:33:27,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:27,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:27,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:27,040 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) [2024-11-20 18:33:27,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 18:33:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:27,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:33:27,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:27,168 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:33:27,168 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:33:27,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211338358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:27,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:33:27,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-20 18:33:27,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270892548] [2024-11-20 18:33:27,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:27,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:33:27,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:27,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:33:27,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:33:27,170 INFO L87 Difference]: Start difference. First operand 229 states and 282 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-20 18:33:27,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:27,499 INFO L93 Difference]: Finished difference Result 243 states and 293 transitions. [2024-11-20 18:33:27,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:33:27,500 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 36 [2024-11-20 18:33:27,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:27,501 INFO L225 Difference]: With dead ends: 243 [2024-11-20 18:33:27,501 INFO L226 Difference]: Without dead ends: 242 [2024-11-20 18:33:27,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:33:27,502 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 63 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:27,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 223 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:33:27,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-20 18:33:27,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 229. [2024-11-20 18:33:27,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 150 states have (on average 1.6866666666666668) internal successors, (253), 212 states have internal predecessors, (253), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-20 18:33:27,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 281 transitions. [2024-11-20 18:33:27,512 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 281 transitions. Word has length 36 [2024-11-20 18:33:27,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:27,513 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 281 transitions. [2024-11-20 18:33:27,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-20 18:33:27,513 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 281 transitions. [2024-11-20 18:33:27,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-20 18:33:27,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:27,514 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:27,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 18:33:27,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-20 18:33:27,715 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:27,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:27,715 INFO L85 PathProgramCache]: Analyzing trace with hash -719705358, now seen corresponding path program 1 times [2024-11-20 18:33:27,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:27,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526378865] [2024-11-20 18:33:27,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:27,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:27,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:33:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:27,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:33:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:27,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:33:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:27,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 18:33:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:27,799 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 18:33:27,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:27,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526378865] [2024-11-20 18:33:27,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526378865] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:33:27,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742901374] [2024-11-20 18:33:27,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:27,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:27,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:27,802 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) [2024-11-20 18:33:27,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 18:33:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:27,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:33:27,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:27,904 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:33:27,905 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:33:27,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742901374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:27,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:33:27,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-20 18:33:27,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749351930] [2024-11-20 18:33:27,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:27,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:33:27,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:27,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:33:27,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:33:27,906 INFO L87 Difference]: Start difference. First operand 229 states and 281 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-20 18:33:28,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:28,257 INFO L93 Difference]: Finished difference Result 287 states and 323 transitions. [2024-11-20 18:33:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:33:28,258 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 37 [2024-11-20 18:33:28,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:28,259 INFO L225 Difference]: With dead ends: 287 [2024-11-20 18:33:28,259 INFO L226 Difference]: Without dead ends: 285 [2024-11-20 18:33:28,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:33:28,260 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 156 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:28,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 255 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:33:28,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-20 18:33:28,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 229. [2024-11-20 18:33:28,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 150 states have (on average 1.6733333333333333) internal successors, (251), 212 states have internal predecessors, (251), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-20 18:33:28,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 279 transitions. [2024-11-20 18:33:28,275 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 279 transitions. Word has length 37 [2024-11-20 18:33:28,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:28,275 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 279 transitions. [2024-11-20 18:33:28,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-20 18:33:28,275 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 279 transitions. [2024-11-20 18:33:28,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-20 18:33:28,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:28,277 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:28,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-20 18:33:28,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:28,478 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:28,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:28,479 INFO L85 PathProgramCache]: Analyzing trace with hash -779826475, now seen corresponding path program 1 times [2024-11-20 18:33:28,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:28,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381865934] [2024-11-20 18:33:28,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:28,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:33:28,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1028752568] [2024-11-20 18:33:28,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:28,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:28,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:28,494 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) [2024-11-20 18:33:28,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 18:33:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:28,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 18:33:28,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:28,547 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:33:28,547 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:33:28,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:28,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381865934] [2024-11-20 18:33:28,547 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:33:28,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028752568] [2024-11-20 18:33:28,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028752568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:28,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:33:28,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:33:28,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180210898] [2024-11-20 18:33:28,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:28,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:33:28,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:28,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:33:28,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:33:28,549 INFO L87 Difference]: Start difference. First operand 229 states and 279 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 18:33:28,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:28,653 INFO L93 Difference]: Finished difference Result 378 states and 476 transitions. [2024-11-20 18:33:28,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:33:28,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 37 [2024-11-20 18:33:28,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:28,656 INFO L225 Difference]: With dead ends: 378 [2024-11-20 18:33:28,656 INFO L226 Difference]: Without dead ends: 370 [2024-11-20 18:33:28,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:33:28,656 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 85 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:28,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 286 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:33:28,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-20 18:33:28,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 330. [2024-11-20 18:33:28,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.699588477366255) internal successors, (413), 305 states have internal predecessors, (413), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 18:33:28,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 457 transitions. [2024-11-20 18:33:28,673 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 457 transitions. Word has length 37 [2024-11-20 18:33:28,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:28,674 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 457 transitions. [2024-11-20 18:33:28,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 18:33:28,675 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 457 transitions. [2024-11-20 18:33:28,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-20 18:33:28,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:28,677 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:28,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-20 18:33:28,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:28,878 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:28,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:28,879 INFO L85 PathProgramCache]: Analyzing trace with hash -836029416, now seen corresponding path program 1 times [2024-11-20 18:33:28,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:28,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874598295] [2024-11-20 18:33:28,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:28,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:28,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:33:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:28,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:33:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:28,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:33:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:28,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 18:33:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:28,978 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 18:33:28,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:28,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874598295] [2024-11-20 18:33:28,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874598295] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:33:28,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056304693] [2024-11-20 18:33:28,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:28,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:28,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:28,982 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) [2024-11-20 18:33:28,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-20 18:33:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:29,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:33:29,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:29,151 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:33:29,151 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:33:29,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056304693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:29,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:33:29,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-20 18:33:29,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872810585] [2024-11-20 18:33:29,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:29,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:33:29,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:29,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:33:29,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:33:29,154 INFO L87 Difference]: Start difference. First operand 330 states and 457 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (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) [2024-11-20 18:33:29,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:29,773 INFO L93 Difference]: Finished difference Result 377 states and 479 transitions. [2024-11-20 18:33:29,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:33:29,773 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (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 38 [2024-11-20 18:33:29,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:29,775 INFO L225 Difference]: With dead ends: 377 [2024-11-20 18:33:29,775 INFO L226 Difference]: Without dead ends: 373 [2024-11-20 18:33:29,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:33:29,776 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 104 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:29,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 300 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 18:33:29,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-20 18:33:29,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 330. [2024-11-20 18:33:29,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.6748971193415638) internal successors, (407), 305 states have internal predecessors, (407), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 18:33:29,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 451 transitions. [2024-11-20 18:33:29,792 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 451 transitions. Word has length 38 [2024-11-20 18:33:29,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:29,793 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 451 transitions. [2024-11-20 18:33:29,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (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) [2024-11-20 18:33:29,793 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 451 transitions. [2024-11-20 18:33:29,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-20 18:33:29,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:29,795 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:29,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-20 18:33:29,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-20 18:33:29,996 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:29,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:29,996 INFO L85 PathProgramCache]: Analyzing trace with hash -2088930345, now seen corresponding path program 1 times [2024-11-20 18:33:29,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:29,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094721548] [2024-11-20 18:33:29,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:29,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:30,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:33:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:30,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:33:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:30,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:33:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:30,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 18:33:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:30,141 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 18:33:30,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:30,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094721548] [2024-11-20 18:33:30,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094721548] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:33:30,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476989384] [2024-11-20 18:33:30,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:30,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:30,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:30,144 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) [2024-11-20 18:33:30,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-20 18:33:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:30,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 18:33:30,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:30,256 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:33:30,257 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:33:30,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476989384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:30,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:33:30,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-20 18:33:30,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204481781] [2024-11-20 18:33:30,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:30,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:33:30,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:30,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:33:30,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:33:30,259 INFO L87 Difference]: Start difference. First operand 330 states and 451 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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) [2024-11-20 18:33:30,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:30,732 INFO L93 Difference]: Finished difference Result 394 states and 463 transitions. [2024-11-20 18:33:30,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:33:30,733 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 39 [2024-11-20 18:33:30,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:30,734 INFO L225 Difference]: With dead ends: 394 [2024-11-20 18:33:30,734 INFO L226 Difference]: Without dead ends: 393 [2024-11-20 18:33:30,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-20 18:33:30,735 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 437 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:30,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 323 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:33:30,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-20 18:33:30,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 330. [2024-11-20 18:33:30,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.6707818930041152) internal successors, (406), 305 states have internal predecessors, (406), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 18:33:30,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 450 transitions. [2024-11-20 18:33:30,752 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 450 transitions. Word has length 39 [2024-11-20 18:33:30,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:30,753 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 450 transitions. [2024-11-20 18:33:30,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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) [2024-11-20 18:33:30,753 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 450 transitions. [2024-11-20 18:33:30,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-20 18:33:30,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:30,754 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:30,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-20 18:33:30,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-20 18:33:30,958 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:30,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:30,958 INFO L85 PathProgramCache]: Analyzing trace with hash -332331169, now seen corresponding path program 1 times [2024-11-20 18:33:30,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:30,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753030430] [2024-11-20 18:33:30,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:30,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:33:30,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [428991379] [2024-11-20 18:33:30,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:30,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:30,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:30,971 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) [2024-11-20 18:33:30,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-20 18:33:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:31,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 18:33:31,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:31,073 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:33:31,073 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:33:31,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:31,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753030430] [2024-11-20 18:33:31,074 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:33:31,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428991379] [2024-11-20 18:33:31,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428991379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:31,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:33:31,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:33:31,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630661877] [2024-11-20 18:33:31,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:31,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:33:31,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:31,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:33:31,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:33:31,076 INFO L87 Difference]: Start difference. First operand 330 states and 450 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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) [2024-11-20 18:33:31,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:31,438 INFO L93 Difference]: Finished difference Result 394 states and 462 transitions. [2024-11-20 18:33:31,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:33:31,439 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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 40 [2024-11-20 18:33:31,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:31,441 INFO L225 Difference]: With dead ends: 394 [2024-11-20 18:33:31,441 INFO L226 Difference]: Without dead ends: 393 [2024-11-20 18:33:31,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:33:31,441 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 442 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:31,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 317 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:33:31,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-20 18:33:31,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 330. [2024-11-20 18:33:31,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.6666666666666667) internal successors, (405), 305 states have internal predecessors, (405), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 18:33:31,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 449 transitions. [2024-11-20 18:33:31,458 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 449 transitions. Word has length 40 [2024-11-20 18:33:31,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:31,458 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 449 transitions. [2024-11-20 18:33:31,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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) [2024-11-20 18:33:31,459 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 449 transitions. [2024-11-20 18:33:31,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-20 18:33:31,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:31,459 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:31,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-20 18:33:31,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-20 18:33:31,664 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:31,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:31,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1088285335, now seen corresponding path program 1 times [2024-11-20 18:33:31,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:31,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7407287] [2024-11-20 18:33:31,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:31,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:31,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:33:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:31,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:33:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:31,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:33:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:31,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 18:33:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:31,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 18:33:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:31,770 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 18:33:31,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:31,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7407287] [2024-11-20 18:33:31,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7407287] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:33:31,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904920624] [2024-11-20 18:33:31,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:31,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:31,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:31,774 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:33:31,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-20 18:33:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:31,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:33:31,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:31,906 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:33:31,907 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:33:31,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904920624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:31,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:33:31,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-20 18:33:31,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410887846] [2024-11-20 18:33:31,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:31,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:33:31,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:31,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:33:31,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:33:31,911 INFO L87 Difference]: Start difference. First operand 330 states and 449 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:33:32,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:32,123 INFO L93 Difference]: Finished difference Result 359 states and 461 transitions. [2024-11-20 18:33:32,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:33:32,125 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2024-11-20 18:33:32,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:32,127 INFO L225 Difference]: With dead ends: 359 [2024-11-20 18:33:32,127 INFO L226 Difference]: Without dead ends: 357 [2024-11-20 18:33:32,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:33:32,128 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 184 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:32,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 228 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:33:32,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-20 18:33:32,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 331. [2024-11-20 18:33:32,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 244 states have (on average 1.6557377049180328) internal successors, (404), 305 states have internal predecessors, (404), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 18:33:32,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 448 transitions. [2024-11-20 18:33:32,146 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 448 transitions. Word has length 44 [2024-11-20 18:33:32,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:32,146 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 448 transitions. [2024-11-20 18:33:32,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:33:32,147 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 448 transitions. [2024-11-20 18:33:32,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-20 18:33:32,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:32,147 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:32,155 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-20 18:33:32,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-20 18:33:32,348 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:32,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:32,349 INFO L85 PathProgramCache]: Analyzing trace with hash 622893190, now seen corresponding path program 1 times [2024-11-20 18:33:32,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:32,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100043905] [2024-11-20 18:33:32,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:32,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:32,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:33:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:32,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:33:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:32,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:33:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:32,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 18:33:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:32,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 18:33:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:32,432 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 18:33:32,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:32,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100043905] [2024-11-20 18:33:32,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100043905] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:33:32,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157603050] [2024-11-20 18:33:32,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:32,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:32,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:32,435 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:33:32,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-20 18:33:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:32,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:33:32,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:32,553 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:33:32,553 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:33:32,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157603050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:32,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:33:32,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-20 18:33:32,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585902251] [2024-11-20 18:33:32,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:32,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:33:32,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:32,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:33:32,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:33:32,555 INFO L87 Difference]: Start difference. First operand 331 states and 448 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:33:32,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:32,706 INFO L93 Difference]: Finished difference Result 359 states and 458 transitions. [2024-11-20 18:33:32,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:33:32,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2024-11-20 18:33:32,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:32,709 INFO L225 Difference]: With dead ends: 359 [2024-11-20 18:33:32,709 INFO L226 Difference]: Without dead ends: 357 [2024-11-20 18:33:32,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:33:32,710 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 255 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:32,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 212 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:33:32,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-20 18:33:32,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 332. [2024-11-20 18:33:32,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 245 states have (on average 1.6448979591836734) internal successors, (403), 306 states have internal predecessors, (403), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 18:33:32,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 447 transitions. [2024-11-20 18:33:32,723 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 447 transitions. Word has length 45 [2024-11-20 18:33:32,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:32,723 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 447 transitions. [2024-11-20 18:33:32,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:33:32,724 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 447 transitions. [2024-11-20 18:33:32,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-20 18:33:32,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:32,724 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:32,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-20 18:33:32,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-20 18:33:32,925 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:32,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:32,925 INFO L85 PathProgramCache]: Analyzing trace with hash 2129819915, now seen corresponding path program 1 times [2024-11-20 18:33:32,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:32,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269317706] [2024-11-20 18:33:32,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:32,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:32,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:33:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:32,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:33:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:33,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:33:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:33,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 18:33:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:33,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 18:33:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:33,011 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 18:33:33,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:33,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269317706] [2024-11-20 18:33:33,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269317706] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:33:33,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338349837] [2024-11-20 18:33:33,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:33,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:33,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:33,014 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:33:33,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-20 18:33:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:33,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 18:33:33,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:33,085 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:33:33,085 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:33:33,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338349837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:33,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:33:33,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-11-20 18:33:33,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600968092] [2024-11-20 18:33:33,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:33,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:33:33,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:33,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:33:33,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:33:33,087 INFO L87 Difference]: Start difference. First operand 332 states and 447 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:33:33,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:33,167 INFO L93 Difference]: Finished difference Result 373 states and 465 transitions. [2024-11-20 18:33:33,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:33:33,167 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2024-11-20 18:33:33,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:33,169 INFO L225 Difference]: With dead ends: 373 [2024-11-20 18:33:33,169 INFO L226 Difference]: Without dead ends: 369 [2024-11-20 18:33:33,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:33:33,170 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 81 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:33,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 298 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:33:33,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-20 18:33:33,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 334. [2024-11-20 18:33:33,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 247 states have (on average 1.6234817813765183) internal successors, (401), 308 states have internal predecessors, (401), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 18:33:33,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 445 transitions. [2024-11-20 18:33:33,183 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 445 transitions. Word has length 46 [2024-11-20 18:33:33,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:33,183 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 445 transitions. [2024-11-20 18:33:33,183 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:33:33,184 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 445 transitions. [2024-11-20 18:33:33,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-20 18:33:33,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:33,184 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:33,194 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-20 18:33:33,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-20 18:33:33,385 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:33,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:33,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1942455123, now seen corresponding path program 1 times [2024-11-20 18:33:33,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:33,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464217455] [2024-11-20 18:33:33,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:33,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:33,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:33:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:33,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:33:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:33,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:33:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:33,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 18:33:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:33,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 18:33:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:33,458 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 18:33:33,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:33,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464217455] [2024-11-20 18:33:33,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464217455] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:33:33,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886399721] [2024-11-20 18:33:33,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:33,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:33,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:33,462 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:33:33,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-20 18:33:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:33,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:33:33,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:33,569 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:33:33,570 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:33:33,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886399721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:33,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:33:33,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-20 18:33:33,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950811880] [2024-11-20 18:33:33,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:33,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:33:33,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:33,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:33:33,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:33:33,572 INFO L87 Difference]: Start difference. First operand 334 states and 445 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:33:33,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:33,775 INFO L93 Difference]: Finished difference Result 371 states and 459 transitions. [2024-11-20 18:33:33,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:33:33,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 48 [2024-11-20 18:33:33,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:33,777 INFO L225 Difference]: With dead ends: 371 [2024-11-20 18:33:33,777 INFO L226 Difference]: Without dead ends: 369 [2024-11-20 18:33:33,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:33:33,777 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 88 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:33,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 385 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:33:33,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-20 18:33:33,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 335. [2024-11-20 18:33:33,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 248 states have (on average 1.6129032258064515) internal successors, (400), 309 states have internal predecessors, (400), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 18:33:33,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 444 transitions. [2024-11-20 18:33:33,791 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 444 transitions. Word has length 48 [2024-11-20 18:33:33,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:33,791 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 444 transitions. [2024-11-20 18:33:33,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:33:33,791 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 444 transitions. [2024-11-20 18:33:33,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-20 18:33:33,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:33,792 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:33,800 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-20 18:33:33,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:33,993 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:33,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:33,994 INFO L85 PathProgramCache]: Analyzing trace with hash -86566454, now seen corresponding path program 1 times [2024-11-20 18:33:33,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:33,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48356995] [2024-11-20 18:33:33,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:33,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:34,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:33:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:34,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:33:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:34,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:33:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:34,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 18:33:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:34,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 18:33:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:34,066 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 18:33:34,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:34,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48356995] [2024-11-20 18:33:34,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48356995] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:33:34,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953257358] [2024-11-20 18:33:34,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:34,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:34,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:34,069 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:33:34,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-20 18:33:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:34,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:33:34,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:34,234 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 18:33:34,235 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:33:34,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953257358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:34,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:33:34,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-20 18:33:34,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419476031] [2024-11-20 18:33:34,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:34,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:33:34,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:34,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:33:34,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:33:34,237 INFO L87 Difference]: Start difference. First operand 335 states and 444 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:33:34,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:34,495 INFO L93 Difference]: Finished difference Result 371 states and 456 transitions. [2024-11-20 18:33:34,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:33:34,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2024-11-20 18:33:34,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:34,498 INFO L225 Difference]: With dead ends: 371 [2024-11-20 18:33:34,498 INFO L226 Difference]: Without dead ends: 352 [2024-11-20 18:33:34,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:33:34,499 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 140 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:34,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 313 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:33:34,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-20 18:33:34,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 319. [2024-11-20 18:33:34,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.6367521367521367) internal successors, (383), 295 states have internal predecessors, (383), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 18:33:34,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 425 transitions. [2024-11-20 18:33:34,518 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 425 transitions. Word has length 49 [2024-11-20 18:33:34,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:34,518 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 425 transitions. [2024-11-20 18:33:34,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 18:33:34,518 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 425 transitions. [2024-11-20 18:33:34,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-20 18:33:34,519 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:34,519 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:34,528 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-20 18:33:34,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:34,720 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:34,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:34,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1104239039, now seen corresponding path program 1 times [2024-11-20 18:33:34,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:34,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133887447] [2024-11-20 18:33:34,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:34,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:33:34,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [63839339] [2024-11-20 18:33:34,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:34,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:34,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:34,739 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:33:34,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-20 18:33:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:34,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:33:34,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:34,891 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-20 18:33:34,891 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:33:34,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:34,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133887447] [2024-11-20 18:33:34,891 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:33:34,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63839339] [2024-11-20 18:33:34,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63839339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:34,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:33:34,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:33:34,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490265852] [2024-11-20 18:33:34,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:34,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:33:34,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:34,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:33:34,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:33:34,893 INFO L87 Difference]: Start difference. First operand 319 states and 425 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-20 18:33:35,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:35,066 INFO L93 Difference]: Finished difference Result 344 states and 446 transitions. [2024-11-20 18:33:35,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:33:35,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 60 [2024-11-20 18:33:35,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:35,068 INFO L225 Difference]: With dead ends: 344 [2024-11-20 18:33:35,068 INFO L226 Difference]: Without dead ends: 343 [2024-11-20 18:33:35,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:33:35,069 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 170 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:35,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 186 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:33:35,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-20 18:33:35,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 319. [2024-11-20 18:33:35,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.6324786324786325) internal successors, (382), 295 states have internal predecessors, (382), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 18:33:35,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 424 transitions. [2024-11-20 18:33:35,082 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 424 transitions. Word has length 60 [2024-11-20 18:33:35,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:35,083 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 424 transitions. [2024-11-20 18:33:35,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-20 18:33:35,083 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 424 transitions. [2024-11-20 18:33:35,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-20 18:33:35,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:35,084 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:35,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-20 18:33:35,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:35,286 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:35,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:35,286 INFO L85 PathProgramCache]: Analyzing trace with hash -344936540, now seen corresponding path program 1 times [2024-11-20 18:33:35,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:35,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838259373] [2024-11-20 18:33:35,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:35,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:33:35,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [880209055] [2024-11-20 18:33:35,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:35,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:35,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:35,300 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:33:35,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-20 18:33:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:35,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:33:35,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:35,512 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-20 18:33:35,512 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:33:35,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:35,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838259373] [2024-11-20 18:33:35,512 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:33:35,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880209055] [2024-11-20 18:33:35,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880209055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:35,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:33:35,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:33:35,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902773126] [2024-11-20 18:33:35,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:35,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:33:35,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:35,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:33:35,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:33:35,514 INFO L87 Difference]: Start difference. First operand 319 states and 424 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:33:35,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:35,714 INFO L93 Difference]: Finished difference Result 346 states and 445 transitions. [2024-11-20 18:33:35,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:33:35,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 70 [2024-11-20 18:33:35,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:35,717 INFO L225 Difference]: With dead ends: 346 [2024-11-20 18:33:35,717 INFO L226 Difference]: Without dead ends: 345 [2024-11-20 18:33:35,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:33:35,718 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 92 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:35,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 238 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:33:35,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-20 18:33:35,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 319. [2024-11-20 18:33:35,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.623931623931624) internal successors, (380), 295 states have internal predecessors, (380), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 18:33:35,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 422 transitions. [2024-11-20 18:33:35,733 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 422 transitions. Word has length 70 [2024-11-20 18:33:35,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:35,733 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 422 transitions. [2024-11-20 18:33:35,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:33:35,733 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 422 transitions. [2024-11-20 18:33:35,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-20 18:33:35,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:35,734 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:35,742 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-20 18:33:35,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:35,934 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:35,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:35,935 INFO L85 PathProgramCache]: Analyzing trace with hash -2103098027, now seen corresponding path program 1 times [2024-11-20 18:33:35,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:35,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064941454] [2024-11-20 18:33:35,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:35,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:33:35,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [256520050] [2024-11-20 18:33:35,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:35,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:35,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:35,949 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:33:35,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-20 18:33:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:36,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:33:36,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:37,260 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-20 18:33:37,260 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:33:37,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:37,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064941454] [2024-11-20 18:33:37,261 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:33:37,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256520050] [2024-11-20 18:33:37,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256520050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:37,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:33:37,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:33:37,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789572255] [2024-11-20 18:33:37,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:37,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:33:37,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:37,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:33:37,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-20 18:33:37,263 INFO L87 Difference]: Start difference. First operand 319 states and 422 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:33:41,268 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] [2024-11-20 18:33:44,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:44,300 INFO L93 Difference]: Finished difference Result 346 states and 443 transitions. [2024-11-20 18:33:44,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:33:44,300 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 71 [2024-11-20 18:33:44,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:44,302 INFO L225 Difference]: With dead ends: 346 [2024-11-20 18:33:44,302 INFO L226 Difference]: Without dead ends: 345 [2024-11-20 18:33:44,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-20 18:33:44,302 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 45 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:44,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 342 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 145 Invalid, 4 Unknown, 0 Unchecked, 7.0s Time] [2024-11-20 18:33:44,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-20 18:33:44,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 319. [2024-11-20 18:33:44,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.6153846153846154) internal successors, (378), 295 states have internal predecessors, (378), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 18:33:44,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 420 transitions. [2024-11-20 18:33:44,319 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 420 transitions. Word has length 71 [2024-11-20 18:33:44,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:44,319 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 420 transitions. [2024-11-20 18:33:44,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:33:44,319 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 420 transitions. [2024-11-20 18:33:44,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-20 18:33:44,320 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:44,320 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:44,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-20 18:33:44,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:44,521 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:44,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:44,521 INFO L85 PathProgramCache]: Analyzing trace with hash -771529274, now seen corresponding path program 1 times [2024-11-20 18:33:44,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:44,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499975602] [2024-11-20 18:33:44,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:44,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:33:44,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1558014685] [2024-11-20 18:33:44,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:44,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:44,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:44,536 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:33:44,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-20 18:33:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:44,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:33:44,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:44,661 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-20 18:33:44,661 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:33:44,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:44,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499975602] [2024-11-20 18:33:44,662 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:33:44,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558014685] [2024-11-20 18:33:44,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558014685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:44,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:33:44,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:33:44,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981426182] [2024-11-20 18:33:44,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:44,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:33:44,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:44,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:33:44,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:33:44,664 INFO L87 Difference]: Start difference. First operand 319 states and 420 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:33:44,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:44,852 INFO L93 Difference]: Finished difference Result 339 states and 431 transitions. [2024-11-20 18:33:44,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:33:44,853 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 72 [2024-11-20 18:33:44,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:44,855 INFO L225 Difference]: With dead ends: 339 [2024-11-20 18:33:44,855 INFO L226 Difference]: Without dead ends: 337 [2024-11-20 18:33:44,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:33:44,855 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 98 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:44,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 282 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:33:44,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-20 18:33:44,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 319. [2024-11-20 18:33:44,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5982905982905984) internal successors, (374), 295 states have internal predecessors, (374), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 18:33:44,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 416 transitions. [2024-11-20 18:33:44,873 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 416 transitions. Word has length 72 [2024-11-20 18:33:44,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:44,873 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 416 transitions. [2024-11-20 18:33:44,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:33:44,874 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 416 transitions. [2024-11-20 18:33:44,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-20 18:33:44,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:44,874 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:44,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-20 18:33:45,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:45,079 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:45,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:45,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1852396407, now seen corresponding path program 1 times [2024-11-20 18:33:45,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:45,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750509229] [2024-11-20 18:33:45,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:45,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:33:45,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [525318694] [2024-11-20 18:33:45,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:45,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:45,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:45,096 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:33:45,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-20 18:33:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:45,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:33:45,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:45,243 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-20 18:33:45,243 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:33:45,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:45,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750509229] [2024-11-20 18:33:45,243 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:33:45,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525318694] [2024-11-20 18:33:45,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525318694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:45,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:33:45,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:33:45,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292148046] [2024-11-20 18:33:45,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:45,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:33:45,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:45,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:33:45,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:33:45,245 INFO L87 Difference]: Start difference. First operand 319 states and 416 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:33:45,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:45,710 INFO L93 Difference]: Finished difference Result 339 states and 427 transitions. [2024-11-20 18:33:45,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:33:45,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 73 [2024-11-20 18:33:45,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:45,712 INFO L225 Difference]: With dead ends: 339 [2024-11-20 18:33:45,712 INFO L226 Difference]: Without dead ends: 337 [2024-11-20 18:33:45,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:33:45,713 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 60 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:45,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 348 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:33:45,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-20 18:33:45,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 319. [2024-11-20 18:33:45,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5811965811965811) internal successors, (370), 295 states have internal predecessors, (370), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 18:33:45,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 412 transitions. [2024-11-20 18:33:45,739 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 412 transitions. Word has length 73 [2024-11-20 18:33:45,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:45,739 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 412 transitions. [2024-11-20 18:33:45,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:33:45,740 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 412 transitions. [2024-11-20 18:33:45,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-20 18:33:45,740 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:45,740 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:45,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-20 18:33:45,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-20 18:33:45,941 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:45,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:45,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1614968788, now seen corresponding path program 1 times [2024-11-20 18:33:45,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:45,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382863766] [2024-11-20 18:33:45,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:45,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:33:45,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [359956119] [2024-11-20 18:33:45,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:45,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:45,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:45,963 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:33:45,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-20 18:33:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:46,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 18:33:46,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:46,182 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-20 18:33:46,183 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:33:46,377 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-20 18:33:46,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:46,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382863766] [2024-11-20 18:33:46,377 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:33:46,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359956119] [2024-11-20 18:33:46,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359956119] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:33:46,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:33:46,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-20 18:33:46,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554348339] [2024-11-20 18:33:46,378 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:33:46,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 18:33:46,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:46,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 18:33:46,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:33:46,380 INFO L87 Difference]: Start difference. First operand 319 states and 412 transitions. Second operand has 9 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-20 18:33:46,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:46,868 INFO L93 Difference]: Finished difference Result 340 states and 414 transitions. [2024-11-20 18:33:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:33:46,869 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) Word has length 78 [2024-11-20 18:33:46,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:46,870 INFO L225 Difference]: With dead ends: 340 [2024-11-20 18:33:46,872 INFO L226 Difference]: Without dead ends: 339 [2024-11-20 18:33:46,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 146 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:33:46,873 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 347 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:46,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 335 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 18:33:46,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-20 18:33:46,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 319. [2024-11-20 18:33:46,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5683760683760684) internal successors, (367), 295 states have internal predecessors, (367), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 18:33:46,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 409 transitions. [2024-11-20 18:33:46,891 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 409 transitions. Word has length 78 [2024-11-20 18:33:46,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:46,891 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 409 transitions. [2024-11-20 18:33:46,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-20 18:33:46,892 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 409 transitions. [2024-11-20 18:33:46,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-20 18:33:46,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:46,892 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:46,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-20 18:33:47,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-20 18:33:47,093 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:47,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:47,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1475575261, now seen corresponding path program 1 times [2024-11-20 18:33:47,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:47,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177406312] [2024-11-20 18:33:47,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:47,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:33:47,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1361295580] [2024-11-20 18:33:47,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:47,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:47,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:47,120 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:33:47,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-20 18:33:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:47,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:33:47,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:47,511 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-20 18:33:47,511 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:33:47,948 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-20 18:33:47,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:47,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177406312] [2024-11-20 18:33:47,948 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:33:47,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361295580] [2024-11-20 18:33:47,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361295580] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:33:47,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:33:47,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-20 18:33:47,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376646165] [2024-11-20 18:33:47,949 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:33:47,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 18:33:47,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:47,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 18:33:47,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:33:47,951 INFO L87 Difference]: Start difference. First operand 319 states and 409 transitions. Second operand has 11 states, 8 states have (on average 12.25) internal successors, (98), 9 states have internal predecessors, (98), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-20 18:33:48,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:48,836 INFO L93 Difference]: Finished difference Result 340 states and 411 transitions. [2024-11-20 18:33:48,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 18:33:48,837 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 12.25) internal successors, (98), 9 states have internal predecessors, (98), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) Word has length 79 [2024-11-20 18:33:48,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:48,838 INFO L225 Difference]: With dead ends: 340 [2024-11-20 18:33:48,838 INFO L226 Difference]: Without dead ends: 339 [2024-11-20 18:33:48,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 146 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:33:48,839 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 168 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:48,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 655 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 18:33:48,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-20 18:33:48,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 319. [2024-11-20 18:33:48,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5555555555555556) internal successors, (364), 295 states have internal predecessors, (364), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 18:33:48,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 406 transitions. [2024-11-20 18:33:48,855 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 406 transitions. Word has length 79 [2024-11-20 18:33:48,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:48,856 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 406 transitions. [2024-11-20 18:33:48,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 12.25) internal successors, (98), 9 states have internal predecessors, (98), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-20 18:33:48,856 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 406 transitions. [2024-11-20 18:33:48,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-20 18:33:48,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:48,857 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:48,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-20 18:33:49,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-20 18:33:49,061 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:49,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:49,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1501807026, now seen corresponding path program 1 times [2024-11-20 18:33:49,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:49,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795204474] [2024-11-20 18:33:49,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:49,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:33:49,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [623684244] [2024-11-20 18:33:49,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:49,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:49,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:49,076 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:33:49,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-20 18:33:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:49,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-20 18:33:49,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:49,521 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-20 18:33:49,521 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:33:53,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:53,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795204474] [2024-11-20 18:33:53,783 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:33:53,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623684244] [2024-11-20 18:33:53,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623684244] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:33:53,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:33:53,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-20 18:33:53,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360945418] [2024-11-20 18:33:53,784 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:33:53,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:33:53,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:53,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:33:53,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-20 18:33:53,785 INFO L87 Difference]: Start difference. First operand 319 states and 406 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:33:54,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:54,219 INFO L93 Difference]: Finished difference Result 338 states and 417 transitions. [2024-11-20 18:33:54,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 18:33:54,220 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2024-11-20 18:33:54,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:54,221 INFO L225 Difference]: With dead ends: 338 [2024-11-20 18:33:54,221 INFO L226 Difference]: Without dead ends: 335 [2024-11-20 18:33:54,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-20 18:33:54,222 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 190 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:54,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 382 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:33:54,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-20 18:33:54,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 319. [2024-11-20 18:33:54,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5299145299145298) internal successors, (358), 295 states have internal predecessors, (358), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 18:33:54,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 400 transitions. [2024-11-20 18:33:54,237 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 400 transitions. Word has length 80 [2024-11-20 18:33:54,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:54,237 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 400 transitions. [2024-11-20 18:33:54,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:33:54,238 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 400 transitions. [2024-11-20 18:33:54,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-20 18:33:54,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:54,238 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:54,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-20 18:33:54,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:54,439 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:54,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:54,440 INFO L85 PathProgramCache]: Analyzing trace with hash 688622591, now seen corresponding path program 1 times [2024-11-20 18:33:54,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:54,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602531829] [2024-11-20 18:33:54,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:54,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:33:54,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [21990383] [2024-11-20 18:33:54,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:54,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:54,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:54,453 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:33:54,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-20 18:33:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:54,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-20 18:33:54,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:55,070 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-20 18:33:55,071 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:33:55,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:55,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602531829] [2024-11-20 18:33:55,157 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:33:55,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21990383] [2024-11-20 18:33:55,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21990383] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:33:55,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:33:55,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-20 18:33:55,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595664296] [2024-11-20 18:33:55,157 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:33:55,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 18:33:55,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:55,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 18:33:55,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:33:55,159 INFO L87 Difference]: Start difference. First operand 319 states and 400 transitions. Second operand has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:33:55,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:55,532 INFO L93 Difference]: Finished difference Result 326 states and 401 transitions. [2024-11-20 18:33:55,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:33:55,532 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 81 [2024-11-20 18:33:55,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:55,533 INFO L225 Difference]: With dead ends: 326 [2024-11-20 18:33:55,533 INFO L226 Difference]: Without dead ends: 323 [2024-11-20 18:33:55,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:33:55,534 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 151 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:55,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 277 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:33:55,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-20 18:33:55,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 319. [2024-11-20 18:33:55,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5042735042735043) internal successors, (352), 295 states have internal predecessors, (352), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 18:33:55,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 394 transitions. [2024-11-20 18:33:55,560 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 394 transitions. Word has length 81 [2024-11-20 18:33:55,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:55,561 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 394 transitions. [2024-11-20 18:33:55,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-20 18:33:55,561 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 394 transitions. [2024-11-20 18:33:55,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-20 18:33:55,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:55,562 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:55,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-20 18:33:55,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-20 18:33:55,763 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:55,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:55,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1649290795, now seen corresponding path program 1 times [2024-11-20 18:33:55,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:55,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176352564] [2024-11-20 18:33:55,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:55,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:55,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:33:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:55,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:33:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:55,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:33:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:55,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 18:33:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:55,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 18:33:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:55,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 18:33:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:55,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 18:33:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:55,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 18:33:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:55,830 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 18:33:55,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:55,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176352564] [2024-11-20 18:33:55,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176352564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:55,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:33:55,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:33:55,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593811835] [2024-11-20 18:33:55,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:55,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:33:55,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:55,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:33:55,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:33:55,832 INFO L87 Difference]: Start difference. First operand 319 states and 394 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-20 18:33:55,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:55,913 INFO L93 Difference]: Finished difference Result 319 states and 394 transitions. [2024-11-20 18:33:55,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:33:55,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 94 [2024-11-20 18:33:55,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:55,915 INFO L225 Difference]: With dead ends: 319 [2024-11-20 18:33:55,915 INFO L226 Difference]: Without dead ends: 318 [2024-11-20 18:33:55,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:33:55,916 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 1 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:55,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 295 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:33:55,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-20 18:33:55,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2024-11-20 18:33:55,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 234 states have (on average 1.4871794871794872) internal successors, (348), 294 states have internal predecessors, (348), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 18:33:55,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 390 transitions. [2024-11-20 18:33:55,931 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 390 transitions. Word has length 94 [2024-11-20 18:33:55,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:55,931 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 390 transitions. [2024-11-20 18:33:55,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-20 18:33:55,932 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 390 transitions. [2024-11-20 18:33:55,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-20 18:33:55,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:55,933 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:55,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-20 18:33:55,933 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:55,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:55,933 INFO L85 PathProgramCache]: Analyzing trace with hash 411593070, now seen corresponding path program 1 times [2024-11-20 18:33:55,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:55,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551870041] [2024-11-20 18:33:55,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:55,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:56,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:33:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:56,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:33:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:56,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:33:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:56,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 18:33:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:56,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 18:33:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:56,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 18:33:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:56,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 18:33:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:56,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 18:33:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:56,032 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 18:33:56,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:56,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551870041] [2024-11-20 18:33:56,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551870041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:56,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:33:56,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:33:56,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63995881] [2024-11-20 18:33:56,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:56,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:33:56,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:56,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:33:56,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:33:56,034 INFO L87 Difference]: Start difference. First operand 318 states and 390 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-20 18:33:56,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:56,506 INFO L93 Difference]: Finished difference Result 326 states and 394 transitions. [2024-11-20 18:33:56,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:33:56,506 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 95 [2024-11-20 18:33:56,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:56,508 INFO L225 Difference]: With dead ends: 326 [2024-11-20 18:33:56,508 INFO L226 Difference]: Without dead ends: 325 [2024-11-20 18:33:56,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:33:56,509 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 278 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:56,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 225 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:33:56,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-20 18:33:56,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 318. [2024-11-20 18:33:56,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 234 states have (on average 1.482905982905983) internal successors, (347), 294 states have internal predecessors, (347), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 18:33:56,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 389 transitions. [2024-11-20 18:33:56,524 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 389 transitions. Word has length 95 [2024-11-20 18:33:56,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:56,526 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 389 transitions. [2024-11-20 18:33:56,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-20 18:33:56,526 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 389 transitions. [2024-11-20 18:33:56,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-20 18:33:56,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:56,527 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:56,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-20 18:33:56,527 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:56,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:56,528 INFO L85 PathProgramCache]: Analyzing trace with hash 402415118, now seen corresponding path program 1 times [2024-11-20 18:33:56,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:56,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809642679] [2024-11-20 18:33:56,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:56,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:56,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:33:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:56,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:33:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:56,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:33:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:56,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 18:33:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:56,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 18:33:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:56,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 18:33:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:56,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 18:33:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:56,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 18:33:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:56,650 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 18:33:56,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:56,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809642679] [2024-11-20 18:33:56,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809642679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:56,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:33:56,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:33:56,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113194344] [2024-11-20 18:33:56,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:56,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:33:56,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:56,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:33:56,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:33:56,652 INFO L87 Difference]: Start difference. First operand 318 states and 389 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-20 18:33:56,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:56,725 INFO L93 Difference]: Finished difference Result 334 states and 400 transitions. [2024-11-20 18:33:56,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:33:56,725 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 97 [2024-11-20 18:33:56,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:56,727 INFO L225 Difference]: With dead ends: 334 [2024-11-20 18:33:56,727 INFO L226 Difference]: Without dead ends: 333 [2024-11-20 18:33:56,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:33:56,729 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 16 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:56,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 451 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:33:56,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-11-20 18:33:56,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 323. [2024-11-20 18:33:56,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 239 states have (on average 1.4728033472803348) internal successors, (352), 299 states have internal predecessors, (352), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 18:33:56,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 394 transitions. [2024-11-20 18:33:56,744 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 394 transitions. Word has length 97 [2024-11-20 18:33:56,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:56,745 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 394 transitions. [2024-11-20 18:33:56,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-20 18:33:56,745 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 394 transitions. [2024-11-20 18:33:56,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-20 18:33:56,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:56,746 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:56,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-20 18:33:56,746 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:56,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:56,747 INFO L85 PathProgramCache]: Analyzing trace with hash -410033051, now seen corresponding path program 1 times [2024-11-20 18:33:56,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:56,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305300479] [2024-11-20 18:33:56,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:56,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:33:56,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2027129949] [2024-11-20 18:33:56,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:56,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:56,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:56,773 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:33:56,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-20 18:33:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:56,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:33:56,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:56,998 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 18:33:56,999 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:33:56,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:56,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305300479] [2024-11-20 18:33:56,999 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:33:56,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027129949] [2024-11-20 18:33:56,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027129949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:57,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:33:57,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:33:57,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935351926] [2024-11-20 18:33:57,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:57,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:33:57,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:57,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:33:57,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:33:57,002 INFO L87 Difference]: Start difference. First operand 323 states and 394 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-20 18:33:57,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:57,219 INFO L93 Difference]: Finished difference Result 334 states and 398 transitions. [2024-11-20 18:33:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:33:57,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 98 [2024-11-20 18:33:57,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:57,221 INFO L225 Difference]: With dead ends: 334 [2024-11-20 18:33:57,221 INFO L226 Difference]: Without dead ends: 333 [2024-11-20 18:33:57,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:33:57,222 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 17 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:57,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 326 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:33:57,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-11-20 18:33:57,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 325. [2024-11-20 18:33:57,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 241 states have (on average 1.4688796680497926) internal successors, (354), 301 states have internal predecessors, (354), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 18:33:57,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 396 transitions. [2024-11-20 18:33:57,241 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 396 transitions. Word has length 98 [2024-11-20 18:33:57,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:57,242 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 396 transitions. [2024-11-20 18:33:57,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-20 18:33:57,242 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 396 transitions. [2024-11-20 18:33:57,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-20 18:33:57,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:57,243 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-11-20 18:33:57,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-20 18:33:57,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-20 18:33:57,443 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:57,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:57,444 INFO L85 PathProgramCache]: Analyzing trace with hash -295147689, now seen corresponding path program 1 times [2024-11-20 18:33:57,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:57,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014640463] [2024-11-20 18:33:57,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:57,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:57,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:33:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:57,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:33:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:57,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:33:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:57,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 18:33:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:57,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 18:33:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:57,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 18:33:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:57,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 18:33:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:57,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 18:33:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:57,555 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 18:33:57,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:57,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014640463] [2024-11-20 18:33:57,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014640463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:33:57,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810808866] [2024-11-20 18:33:57,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:57,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:57,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:57,558 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:33:57,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-20 18:33:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:57,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 18:33:57,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:57,721 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 18:33:57,721 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:33:57,869 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 18:33:57,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810808866] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:33:57,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:33:57,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2024-11-20 18:33:57,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271705601] [2024-11-20 18:33:57,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:33:57,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 18:33:57,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:57,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 18:33:57,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:33:57,872 INFO L87 Difference]: Start difference. First operand 325 states and 396 transitions. Second operand has 14 states, 13 states have (on average 10.153846153846153) internal successors, (132), 14 states have internal predecessors, (132), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-20 18:33:58,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:58,099 INFO L93 Difference]: Finished difference Result 820 states and 966 transitions. [2024-11-20 18:33:58,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-20 18:33:58,100 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.153846153846153) internal successors, (132), 14 states have internal predecessors, (132), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 100 [2024-11-20 18:33:58,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:58,102 INFO L225 Difference]: With dead ends: 820 [2024-11-20 18:33:58,102 INFO L226 Difference]: Without dead ends: 618 [2024-11-20 18:33:58,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2024-11-20 18:33:58,103 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 253 mSDsluCounter, 1238 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 1394 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:58,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 1394 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:33:58,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-20 18:33:58,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 517. [2024-11-20 18:33:58,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 416 states have (on average 1.4302884615384615) internal successors, (595), 477 states have internal predecessors, (595), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-20 18:33:58,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 663 transitions. [2024-11-20 18:33:58,131 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 663 transitions. Word has length 100 [2024-11-20 18:33:58,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:58,131 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 663 transitions. [2024-11-20 18:33:58,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.153846153846153) internal successors, (132), 14 states have internal predecessors, (132), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-20 18:33:58,131 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 663 transitions. [2024-11-20 18:33:58,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-20 18:33:58,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:58,132 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:58,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-20 18:33:58,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-20 18:33:58,333 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:58,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:58,333 INFO L85 PathProgramCache]: Analyzing trace with hash -407452718, now seen corresponding path program 1 times [2024-11-20 18:33:58,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:58,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168548352] [2024-11-20 18:33:58,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:58,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:58,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:33:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:58,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:33:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:58,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:33:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:58,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 18:33:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:58,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 18:33:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:58,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 18:33:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:58,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 18:33:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:58,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 18:33:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:58,442 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 18:33:58,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:58,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168548352] [2024-11-20 18:33:58,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168548352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:58,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:33:58,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:33:58,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93628340] [2024-11-20 18:33:58,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:58,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:33:58,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:58,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:33:58,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:33:58,445 INFO L87 Difference]: Start difference. First operand 517 states and 663 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-20 18:33:58,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:58,540 INFO L93 Difference]: Finished difference Result 532 states and 671 transitions. [2024-11-20 18:33:58,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:33:58,540 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 101 [2024-11-20 18:33:58,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:58,542 INFO L225 Difference]: With dead ends: 532 [2024-11-20 18:33:58,542 INFO L226 Difference]: Without dead ends: 531 [2024-11-20 18:33:58,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:33:58,542 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 18 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:58,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 453 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:33:58,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-11-20 18:33:58,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 520. [2024-11-20 18:33:58,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 419 states have (on average 1.4295942720763724) internal successors, (599), 480 states have internal predecessors, (599), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-20 18:33:58,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 667 transitions. [2024-11-20 18:33:58,571 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 667 transitions. Word has length 101 [2024-11-20 18:33:58,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:58,571 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 667 transitions. [2024-11-20 18:33:58,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-20 18:33:58,572 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 667 transitions. [2024-11-20 18:33:58,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-20 18:33:58,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:58,573 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-11-20 18:33:58,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-20 18:33:58,573 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:58,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:58,574 INFO L85 PathProgramCache]: Analyzing trace with hash -169085095, now seen corresponding path program 1 times [2024-11-20 18:33:58,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:58,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630392992] [2024-11-20 18:33:58,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:58,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:33:58,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [349221467] [2024-11-20 18:33:58,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:58,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:58,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:58,593 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:33:58,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-20 18:33:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:58,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:33:58,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:58,839 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-20 18:33:58,839 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:33:58,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:58,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630392992] [2024-11-20 18:33:58,913 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:33:58,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349221467] [2024-11-20 18:33:58,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349221467] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:33:58,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:33:58,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-20 18:33:58,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690904494] [2024-11-20 18:33:58,914 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:33:58,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:33:58,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:58,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:33:58,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:33:58,915 INFO L87 Difference]: Start difference. First operand 520 states and 667 transitions. Second operand has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-20 18:33:59,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:59,321 INFO L93 Difference]: Finished difference Result 524 states and 667 transitions. [2024-11-20 18:33:59,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 18:33:59,321 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 102 [2024-11-20 18:33:59,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:59,323 INFO L225 Difference]: With dead ends: 524 [2024-11-20 18:33:59,323 INFO L226 Difference]: Without dead ends: 522 [2024-11-20 18:33:59,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:33:59,323 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 218 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:59,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 538 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:33:59,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-20 18:33:59,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 520. [2024-11-20 18:33:59,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 419 states have (on average 1.4152744630071599) internal successors, (593), 480 states have internal predecessors, (593), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-20 18:33:59,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 661 transitions. [2024-11-20 18:33:59,360 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 661 transitions. Word has length 102 [2024-11-20 18:33:59,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:33:59,360 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 661 transitions. [2024-11-20 18:33:59,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-20 18:33:59,360 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 661 transitions. [2024-11-20 18:33:59,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-20 18:33:59,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:33:59,361 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:33:59,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-20 18:33:59,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-20 18:33:59,566 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:33:59,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:33:59,566 INFO L85 PathProgramCache]: Analyzing trace with hash 253867817, now seen corresponding path program 1 times [2024-11-20 18:33:59,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:33:59,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027017104] [2024-11-20 18:33:59,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:59,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:33:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:33:59,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [643528403] [2024-11-20 18:33:59,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:33:59,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:33:59,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:33:59,593 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:33:59,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-20 18:33:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:33:59,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:33:59,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:33:59,812 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 18:33:59,813 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:33:59,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:33:59,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027017104] [2024-11-20 18:33:59,815 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:33:59,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643528403] [2024-11-20 18:33:59,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643528403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:33:59,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:33:59,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:33:59,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175156021] [2024-11-20 18:33:59,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:33:59,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:33:59,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:33:59,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:33:59,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:33:59,816 INFO L87 Difference]: Start difference. First operand 520 states and 661 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-20 18:33:59,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:33:59,971 INFO L93 Difference]: Finished difference Result 529 states and 664 transitions. [2024-11-20 18:33:59,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:33:59,971 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 102 [2024-11-20 18:33:59,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:33:59,973 INFO L225 Difference]: With dead ends: 529 [2024-11-20 18:33:59,973 INFO L226 Difference]: Without dead ends: 528 [2024-11-20 18:33:59,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:33:59,974 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 66 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:33:59,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 465 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:33:59,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-11-20 18:34:00,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 522. [2024-11-20 18:34:00,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 421 states have (on average 1.4133016627078385) internal successors, (595), 482 states have internal predecessors, (595), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-20 18:34:00,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 663 transitions. [2024-11-20 18:34:00,004 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 663 transitions. Word has length 102 [2024-11-20 18:34:00,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:34:00,005 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 663 transitions. [2024-11-20 18:34:00,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-20 18:34:00,005 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 663 transitions. [2024-11-20 18:34:00,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-20 18:34:00,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:34:00,006 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:34:00,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-20 18:34:00,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:00,207 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:34:00,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:34:00,208 INFO L85 PathProgramCache]: Analyzing trace with hash -946670567, now seen corresponding path program 1 times [2024-11-20 18:34:00,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:34:00,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533521213] [2024-11-20 18:34:00,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:00,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:34:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:34:00,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [440093944] [2024-11-20 18:34:00,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:00,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:00,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:34:00,235 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:34:00,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-20 18:34:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:00,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-20 18:34:00,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:34:00,578 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-20 18:34:00,578 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:34:00,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:34:00,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533521213] [2024-11-20 18:34:00,698 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:34:00,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440093944] [2024-11-20 18:34:00,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440093944] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:34:00,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:34:00,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-20 18:34:00,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064345710] [2024-11-20 18:34:00,698 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:34:00,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 18:34:00,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:34:00,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 18:34:00,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:34:00,699 INFO L87 Difference]: Start difference. First operand 522 states and 663 transitions. Second operand has 9 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-20 18:34:01,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:34:01,074 INFO L93 Difference]: Finished difference Result 526 states and 663 transitions. [2024-11-20 18:34:01,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 18:34:01,076 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 103 [2024-11-20 18:34:01,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:34:01,078 INFO L225 Difference]: With dead ends: 526 [2024-11-20 18:34:01,078 INFO L226 Difference]: Without dead ends: 524 [2024-11-20 18:34:01,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:34:01,079 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 348 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:34:01,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 470 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:34:01,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2024-11-20 18:34:01,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 522. [2024-11-20 18:34:01,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 421 states have (on average 1.4085510688836105) internal successors, (593), 482 states have internal predecessors, (593), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-20 18:34:01,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 661 transitions. [2024-11-20 18:34:01,108 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 661 transitions. Word has length 103 [2024-11-20 18:34:01,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:34:01,108 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 661 transitions. [2024-11-20 18:34:01,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-20 18:34:01,108 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 661 transitions. [2024-11-20 18:34:01,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-20 18:34:01,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:34:01,109 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-11-20 18:34:01,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-20 18:34:01,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-20 18:34:01,310 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:34:01,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:34:01,310 INFO L85 PathProgramCache]: Analyzing trace with hash 717983579, now seen corresponding path program 1 times [2024-11-20 18:34:01,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:34:01,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265841106] [2024-11-20 18:34:01,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:01,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:34:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:01,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:34:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:01,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:34:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:01,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:34:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:01,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 18:34:01,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:01,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 18:34:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:01,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 18:34:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:01,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 18:34:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:01,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 18:34:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:01,383 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 18:34:01,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:34:01,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265841106] [2024-11-20 18:34:01,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265841106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:34:01,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:34:01,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:34:01,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892490842] [2024-11-20 18:34:01,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:34:01,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:34:01,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:34:01,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:34:01,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:34:01,385 INFO L87 Difference]: Start difference. First operand 522 states and 661 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-20 18:34:01,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:34:01,703 INFO L93 Difference]: Finished difference Result 557 states and 664 transitions. [2024-11-20 18:34:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:34:01,703 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 104 [2024-11-20 18:34:01,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:34:01,705 INFO L225 Difference]: With dead ends: 557 [2024-11-20 18:34:01,705 INFO L226 Difference]: Without dead ends: 556 [2024-11-20 18:34:01,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:34:01,707 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 135 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:34:01,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 592 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:34:01,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2024-11-20 18:34:01,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 522. [2024-11-20 18:34:01,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 421 states have (on average 1.3990498812351544) internal successors, (589), 482 states have internal predecessors, (589), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-20 18:34:01,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 657 transitions. [2024-11-20 18:34:01,734 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 657 transitions. Word has length 104 [2024-11-20 18:34:01,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:34:01,735 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 657 transitions. [2024-11-20 18:34:01,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-20 18:34:01,735 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 657 transitions. [2024-11-20 18:34:01,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-20 18:34:01,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:34:01,736 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:34:01,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-20 18:34:01,736 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:34:01,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:34:01,736 INFO L85 PathProgramCache]: Analyzing trace with hash 782654555, now seen corresponding path program 1 times [2024-11-20 18:34:01,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:34:01,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159486403] [2024-11-20 18:34:01,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:01,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:34:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:34:01,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [355048224] [2024-11-20 18:34:01,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:01,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:01,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:34:01,759 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:34:01,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-20 18:34:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:01,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-20 18:34:01,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:34:02,011 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 18:34:02,012 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:34:02,177 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-20 18:34:02,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:34:02,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159486403] [2024-11-20 18:34:02,178 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:34:02,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355048224] [2024-11-20 18:34:02,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355048224] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-20 18:34:02,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:34:02,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-20 18:34:02,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240499067] [2024-11-20 18:34:02,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:34:02,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:34:02,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:34:02,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:34:02,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:34:02,180 INFO L87 Difference]: Start difference. First operand 522 states and 657 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-20 18:34:02,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:34:02,752 INFO L93 Difference]: Finished difference Result 529 states and 658 transitions. [2024-11-20 18:34:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 18:34:02,752 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 105 [2024-11-20 18:34:02,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:34:02,754 INFO L225 Difference]: With dead ends: 529 [2024-11-20 18:34:02,754 INFO L226 Difference]: Without dead ends: 528 [2024-11-20 18:34:02,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 198 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-20 18:34:02,755 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 250 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 18:34:02,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 319 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 18:34:02,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-11-20 18:34:02,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 522. [2024-11-20 18:34:02,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 421 states have (on average 1.3895486935866983) internal successors, (585), 482 states have internal predecessors, (585), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-20 18:34:02,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 653 transitions. [2024-11-20 18:34:02,784 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 653 transitions. Word has length 105 [2024-11-20 18:34:02,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:34:02,785 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 653 transitions. [2024-11-20 18:34:02,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-20 18:34:02,785 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 653 transitions. [2024-11-20 18:34:02,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-20 18:34:02,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:34:02,786 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:34:02,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-20 18:34:02,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-20 18:34:02,991 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:34:02,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:34:02,991 INFO L85 PathProgramCache]: Analyzing trace with hash -852990126, now seen corresponding path program 1 times [2024-11-20 18:34:02,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:34:02,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719869375] [2024-11-20 18:34:02,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:02,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:34:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:03,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:34:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:03,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:34:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:03,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:34:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:03,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 18:34:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:03,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 18:34:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:03,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 18:34:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:03,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 18:34:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:03,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 18:34:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:03,095 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 18:34:03,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:34:03,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719869375] [2024-11-20 18:34:03,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719869375] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:34:03,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38483517] [2024-11-20 18:34:03,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:03,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:03,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:34:03,098 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:34:03,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-20 18:34:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:03,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 18:34:03,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:34:03,265 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 18:34:03,266 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:34:03,412 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 18:34:03,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38483517] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:34:03,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:34:03,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2024-11-20 18:34:03,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436453356] [2024-11-20 18:34:03,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:34:03,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 18:34:03,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:34:03,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 18:34:03,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:34:03,415 INFO L87 Difference]: Start difference. First operand 522 states and 653 transitions. Second operand has 14 states, 14 states have (on average 10.357142857142858) internal successors, (145), 14 states have internal predecessors, (145), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-20 18:34:03,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:34:03,610 INFO L93 Difference]: Finished difference Result 874 states and 1064 transitions. [2024-11-20 18:34:03,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-20 18:34:03,611 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.357142857142858) internal successors, (145), 14 states have internal predecessors, (145), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 107 [2024-11-20 18:34:03,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:34:03,613 INFO L225 Difference]: With dead ends: 874 [2024-11-20 18:34:03,614 INFO L226 Difference]: Without dead ends: 666 [2024-11-20 18:34:03,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-20 18:34:03,630 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 159 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:34:03,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 1100 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:34:03,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2024-11-20 18:34:03,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 589. [2024-11-20 18:34:03,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 483 states have (on average 1.4202898550724639) internal successors, (686), 544 states have internal predecessors, (686), 38 states have call successors, (38), 7 states have call predecessors, (38), 7 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-20 18:34:03,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 762 transitions. [2024-11-20 18:34:03,662 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 762 transitions. Word has length 107 [2024-11-20 18:34:03,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:34:03,662 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 762 transitions. [2024-11-20 18:34:03,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.357142857142858) internal successors, (145), 14 states have internal predecessors, (145), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-20 18:34:03,663 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 762 transitions. [2024-11-20 18:34:03,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-20 18:34:03,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:34:03,664 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-11-20 18:34:03,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-20 18:34:03,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:03,864 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:34:03,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:34:03,865 INFO L85 PathProgramCache]: Analyzing trace with hash -672892046, now seen corresponding path program 1 times [2024-11-20 18:34:03,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:34:03,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572876231] [2024-11-20 18:34:03,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:03,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:34:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:03,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:34:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:03,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:34:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:03,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:34:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:03,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 18:34:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:03,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 18:34:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:03,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 18:34:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:03,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 18:34:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:03,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 18:34:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:03,997 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-20 18:34:03,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:34:03,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572876231] [2024-11-20 18:34:03,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572876231] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:34:03,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437463083] [2024-11-20 18:34:03,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:03,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:03,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:34:04,000 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:34:04,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-20 18:34:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:04,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 18:34:04,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:34:04,140 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-20 18:34:04,140 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:34:04,261 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-20 18:34:04,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437463083] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:34:04,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:34:04,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2024-11-20 18:34:04,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756646852] [2024-11-20 18:34:04,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:34:04,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 18:34:04,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:34:04,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 18:34:04,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:34:04,262 INFO L87 Difference]: Start difference. First operand 589 states and 762 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-20 18:34:05,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:34:05,087 INFO L93 Difference]: Finished difference Result 1225 states and 1514 transitions. [2024-11-20 18:34:05,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-20 18:34:05,088 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 108 [2024-11-20 18:34:05,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:34:05,092 INFO L225 Difference]: With dead ends: 1225 [2024-11-20 18:34:05,092 INFO L226 Difference]: Without dead ends: 1185 [2024-11-20 18:34:05,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 226 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2024-11-20 18:34:05,093 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 815 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 1015 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 1049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 18:34:05,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [820 Valid, 1143 Invalid, 1049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1015 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 18:34:05,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2024-11-20 18:34:05,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 833. [2024-11-20 18:34:05,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 711 states have (on average 1.5316455696202531) internal successors, (1089), 772 states have internal predecessors, (1089), 54 states have call successors, (54), 7 states have call predecessors, (54), 7 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-20 18:34:05,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1197 transitions. [2024-11-20 18:34:05,143 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1197 transitions. Word has length 108 [2024-11-20 18:34:05,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:34:05,144 INFO L471 AbstractCegarLoop]: Abstraction has 833 states and 1197 transitions. [2024-11-20 18:34:05,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-20 18:34:05,144 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1197 transitions. [2024-11-20 18:34:05,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-20 18:34:05,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:34:05,145 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:34:05,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-20 18:34:05,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:05,349 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:34:05,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:34:05,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1817703131, now seen corresponding path program 1 times [2024-11-20 18:34:05,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:34:05,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635791632] [2024-11-20 18:34:05,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:05,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:34:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:05,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 18:34:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:05,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 18:34:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:05,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 18:34:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:05,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 18:34:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:05,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 18:34:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:05,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 18:34:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:05,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 18:34:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:05,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 18:34:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:05,552 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-20 18:34:05,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:34:05,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635791632] [2024-11-20 18:34:05,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635791632] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:34:05,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91413644] [2024-11-20 18:34:05,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:05,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:05,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:34:05,555 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:34:05,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-20 18:34:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:05,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 18:34:05,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:34:05,796 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 18:34:05,796 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:34:05,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91413644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:34:05,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:34:05,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2024-11-20 18:34:05,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554339293] [2024-11-20 18:34:05,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:34:05,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:34:05,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:34:05,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:34:05,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-20 18:34:05,798 INFO L87 Difference]: Start difference. First operand 833 states and 1197 transitions. Second operand has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-20 18:34:07,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:34:07,048 INFO L93 Difference]: Finished difference Result 1476 states and 1986 transitions. [2024-11-20 18:34:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-20 18:34:07,049 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 114 [2024-11-20 18:34:07,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:34:07,053 INFO L225 Difference]: With dead ends: 1476 [2024-11-20 18:34:07,053 INFO L226 Difference]: Without dead ends: 1475 [2024-11-20 18:34:07,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=761, Unknown=0, NotChecked=0, Total=930 [2024-11-20 18:34:07,054 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 1066 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:34:07,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1071 Valid, 998 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 923 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 18:34:07,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2024-11-20 18:34:07,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1070. [2024-11-20 18:34:07,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1070 states, 932 states have (on average 1.590128755364807) internal successors, (1482), 993 states have internal predecessors, (1482), 70 states have call successors, (70), 7 states have call predecessors, (70), 7 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-20 18:34:07,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1622 transitions. [2024-11-20 18:34:07,110 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1622 transitions. Word has length 114 [2024-11-20 18:34:07,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:34:07,110 INFO L471 AbstractCegarLoop]: Abstraction has 1070 states and 1622 transitions. [2024-11-20 18:34:07,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-20 18:34:07,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1622 transitions. [2024-11-20 18:34:07,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-20 18:34:07,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:34:07,112 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:34:07,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-20 18:34:07,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-11-20 18:34:07,313 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:34:07,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:34:07,313 INFO L85 PathProgramCache]: Analyzing trace with hash 514222299, now seen corresponding path program 1 times [2024-11-20 18:34:07,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:34:07,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960501606] [2024-11-20 18:34:07,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:07,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:34:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:34:07,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [964482705] [2024-11-20 18:34:07,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:07,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:07,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:34:07,332 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:34:07,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-20 18:34:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:07,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 18:34:07,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:34:07,482 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 18:34:07,482 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:34:07,611 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-20 18:34:07,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:34:07,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960501606] [2024-11-20 18:34:07,611 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:34:07,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964482705] [2024-11-20 18:34:07,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964482705] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:34:07,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:34:07,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-20 18:34:07,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039210854] [2024-11-20 18:34:07,612 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:34:07,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 18:34:07,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:34:07,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 18:34:07,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:34:07,613 INFO L87 Difference]: Start difference. First operand 1070 states and 1622 transitions. Second operand has 10 states, 9 states have (on average 17.22222222222222) internal successors, (155), 10 states have internal predecessors, (155), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-20 18:34:08,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:34:08,105 INFO L93 Difference]: Finished difference Result 1535 states and 2281 transitions. [2024-11-20 18:34:08,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 18:34:08,106 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.22222222222222) internal successors, (155), 10 states have internal predecessors, (155), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 115 [2024-11-20 18:34:08,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:34:08,110 INFO L225 Difference]: With dead ends: 1535 [2024-11-20 18:34:08,110 INFO L226 Difference]: Without dead ends: 1534 [2024-11-20 18:34:08,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2024-11-20 18:34:08,111 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 1181 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1182 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:34:08,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1182 Valid, 544 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:34:08,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2024-11-20 18:34:08,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1247. [2024-11-20 18:34:08,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1097 states have (on average 1.6125797629899727) internal successors, (1769), 1158 states have internal predecessors, (1769), 82 states have call successors, (82), 7 states have call predecessors, (82), 7 states have return successors, (82), 81 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-20 18:34:08,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1933 transitions. [2024-11-20 18:34:08,176 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1933 transitions. Word has length 115 [2024-11-20 18:34:08,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:34:08,178 INFO L471 AbstractCegarLoop]: Abstraction has 1247 states and 1933 transitions. [2024-11-20 18:34:08,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.22222222222222) internal successors, (155), 10 states have internal predecessors, (155), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-20 18:34:08,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1933 transitions. [2024-11-20 18:34:08,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-20 18:34:08,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:34:08,179 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:34:08,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-20 18:34:08,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:08,380 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:34:08,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:34:08,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1994480248, now seen corresponding path program 1 times [2024-11-20 18:34:08,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:34:08,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121481756] [2024-11-20 18:34:08,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:08,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:34:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:34:08,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1973256434] [2024-11-20 18:34:08,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:08,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:08,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:34:08,399 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:34:08,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-20 18:34:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:08,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 18:34:08,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:34:08,931 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-20 18:34:08,931 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:34:09,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:34:09,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121481756] [2024-11-20 18:34:09,043 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:34:09,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973256434] [2024-11-20 18:34:09,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973256434] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:34:09,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:34:09,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-20 18:34:09,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520563203] [2024-11-20 18:34:09,043 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:34:09,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 18:34:09,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:34:09,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 18:34:09,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:34:09,044 INFO L87 Difference]: Start difference. First operand 1247 states and 1933 transitions. Second operand has 10 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-20 18:34:09,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:34:09,798 INFO L93 Difference]: Finished difference Result 1328 states and 2033 transitions. [2024-11-20 18:34:09,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 18:34:09,799 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 121 [2024-11-20 18:34:09,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:34:09,803 INFO L225 Difference]: With dead ends: 1328 [2024-11-20 18:34:09,803 INFO L226 Difference]: Without dead ends: 1327 [2024-11-20 18:34:09,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2024-11-20 18:34:09,804 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 455 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 18:34:09,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 608 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 18:34:09,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2024-11-20 18:34:09,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 1296. [2024-11-20 18:34:09,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1296 states, 1142 states have (on average 1.6199649737302977) internal successors, (1850), 1203 states have internal predecessors, (1850), 86 states have call successors, (86), 7 states have call predecessors, (86), 7 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-20 18:34:09,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 2022 transitions. [2024-11-20 18:34:09,867 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 2022 transitions. Word has length 121 [2024-11-20 18:34:09,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:34:09,868 INFO L471 AbstractCegarLoop]: Abstraction has 1296 states and 2022 transitions. [2024-11-20 18:34:09,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-20 18:34:09,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 2022 transitions. [2024-11-20 18:34:09,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-20 18:34:09,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:34:09,869 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:34:09,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-20 18:34:10,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-20 18:34:10,074 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:34:10,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:34:10,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1699345453, now seen corresponding path program 1 times [2024-11-20 18:34:10,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:34:10,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367609490] [2024-11-20 18:34:10,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:10,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:34:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:34:10,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2006308555] [2024-11-20 18:34:10,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:10,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:10,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:34:10,096 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:34:10,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-20 18:34:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:10,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 18:34:10,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:34:10,644 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-20 18:34:10,644 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:34:10,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:34:10,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367609490] [2024-11-20 18:34:10,888 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:34:10,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006308555] [2024-11-20 18:34:10,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006308555] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:34:10,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:34:10,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-20 18:34:10,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239808369] [2024-11-20 18:34:10,888 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:34:10,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 18:34:10,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:34:10,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 18:34:10,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:34:10,889 INFO L87 Difference]: Start difference. First operand 1296 states and 2022 transitions. Second operand has 10 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-20 18:34:11,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:34:11,498 INFO L93 Difference]: Finished difference Result 1328 states and 2031 transitions. [2024-11-20 18:34:11,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 18:34:11,499 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 122 [2024-11-20 18:34:11,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:34:11,504 INFO L225 Difference]: With dead ends: 1328 [2024-11-20 18:34:11,504 INFO L226 Difference]: Without dead ends: 1327 [2024-11-20 18:34:11,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2024-11-20 18:34:11,505 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 612 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 921 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 617 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 18:34:11,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [617 Valid, 532 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 921 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 18:34:11,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2024-11-20 18:34:11,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 1296. [2024-11-20 18:34:11,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1296 states, 1142 states have (on average 1.618213660245184) internal successors, (1848), 1203 states have internal predecessors, (1848), 86 states have call successors, (86), 7 states have call predecessors, (86), 7 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-20 18:34:11,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 2020 transitions. [2024-11-20 18:34:11,577 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 2020 transitions. Word has length 122 [2024-11-20 18:34:11,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:34:11,578 INFO L471 AbstractCegarLoop]: Abstraction has 1296 states and 2020 transitions. [2024-11-20 18:34:11,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-20 18:34:11,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 2020 transitions. [2024-11-20 18:34:11,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-20 18:34:11,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:34:11,581 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:34:11,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-20 18:34:11,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:11,783 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:34:11,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:34:11,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1140101398, now seen corresponding path program 1 times [2024-11-20 18:34:11,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:34:11,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119790746] [2024-11-20 18:34:11,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:11,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:34:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:34:11,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [60178618] [2024-11-20 18:34:11,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:11,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:11,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:34:11,799 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:34:11,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-20 18:34:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:11,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 18:34:11,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:34:12,182 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-20 18:34:12,182 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:34:12,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:34:12,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119790746] [2024-11-20 18:34:12,245 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:34:12,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60178618] [2024-11-20 18:34:12,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60178618] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:34:12,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:34:12,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-20 18:34:12,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821995926] [2024-11-20 18:34:12,245 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:34:12,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:34:12,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:34:12,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:34:12,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:34:12,247 INFO L87 Difference]: Start difference. First operand 1296 states and 2020 transitions. Second operand has 8 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-20 18:34:12,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:34:12,572 INFO L93 Difference]: Finished difference Result 1451 states and 2239 transitions. [2024-11-20 18:34:12,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 18:34:12,573 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 123 [2024-11-20 18:34:12,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:34:12,578 INFO L225 Difference]: With dead ends: 1451 [2024-11-20 18:34:12,578 INFO L226 Difference]: Without dead ends: 1449 [2024-11-20 18:34:12,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:34:12,579 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 357 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:34:12,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 481 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:34:12,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1449 states. [2024-11-20 18:34:12,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1449 to 1408. [2024-11-20 18:34:12,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1408 states, 1245 states have (on average 1.6313253012048192) internal successors, (2031), 1306 states have internal predecessors, (2031), 95 states have call successors, (95), 7 states have call predecessors, (95), 7 states have return successors, (95), 94 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-20 18:34:12,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1408 states and 2221 transitions. [2024-11-20 18:34:12,646 INFO L78 Accepts]: Start accepts. Automaton has 1408 states and 2221 transitions. Word has length 123 [2024-11-20 18:34:12,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:34:12,646 INFO L471 AbstractCegarLoop]: Abstraction has 1408 states and 2221 transitions. [2024-11-20 18:34:12,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-20 18:34:12,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 2221 transitions. [2024-11-20 18:34:12,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-20 18:34:12,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:34:12,648 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:34:12,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-20 18:34:12,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-20 18:34:12,848 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:34:12,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:34:12,849 INFO L85 PathProgramCache]: Analyzing trace with hash -983404875, now seen corresponding path program 1 times [2024-11-20 18:34:12,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:34:12,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621333669] [2024-11-20 18:34:12,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:12,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:34:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:34:12,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [104225866] [2024-11-20 18:34:12,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:12,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:12,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:34:12,871 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:34:12,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-20 18:34:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:12,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 18:34:12,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:34:13,217 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-20 18:34:13,217 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:34:13,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:34:13,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621333669] [2024-11-20 18:34:13,451 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:34:13,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104225866] [2024-11-20 18:34:13,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104225866] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:34:13,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:34:13,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-20 18:34:13,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894556243] [2024-11-20 18:34:13,451 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:34:13,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:34:13,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:34:13,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:34:13,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:34:13,452 INFO L87 Difference]: Start difference. First operand 1408 states and 2221 transitions. Second operand has 8 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-20 18:34:13,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:34:13,789 INFO L93 Difference]: Finished difference Result 1451 states and 2233 transitions. [2024-11-20 18:34:13,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 18:34:13,789 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 124 [2024-11-20 18:34:13,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:34:13,794 INFO L225 Difference]: With dead ends: 1451 [2024-11-20 18:34:13,794 INFO L226 Difference]: Without dead ends: 1449 [2024-11-20 18:34:13,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:34:13,795 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 289 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:34:13,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 608 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:34:13,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1449 states. [2024-11-20 18:34:13,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1449 to 1409. [2024-11-20 18:34:13,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1409 states, 1246 states have (on average 1.6268057784911718) internal successors, (2027), 1307 states have internal predecessors, (2027), 95 states have call successors, (95), 7 states have call predecessors, (95), 7 states have return successors, (95), 94 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-20 18:34:13,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1409 states and 2217 transitions. [2024-11-20 18:34:13,869 INFO L78 Accepts]: Start accepts. Automaton has 1409 states and 2217 transitions. Word has length 124 [2024-11-20 18:34:13,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:34:13,870 INFO L471 AbstractCegarLoop]: Abstraction has 1409 states and 2217 transitions. [2024-11-20 18:34:13,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-20 18:34:13,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 2217 transitions. [2024-11-20 18:34:13,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-20 18:34:13,870 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:34:13,871 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:34:13,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-20 18:34:14,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-20 18:34:14,071 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:34:14,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:34:14,072 INFO L85 PathProgramCache]: Analyzing trace with hash -420779956, now seen corresponding path program 1 times [2024-11-20 18:34:14,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:34:14,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687960569] [2024-11-20 18:34:14,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:14,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:34:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:34:14,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [27163900] [2024-11-20 18:34:14,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:14,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:14,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:34:14,087 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:34:14,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-20 18:34:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:14,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 18:34:14,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:34:14,348 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-20 18:34:14,348 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:34:14,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:34:14,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687960569] [2024-11-20 18:34:14,427 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:34:14,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27163900] [2024-11-20 18:34:14,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27163900] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:34:14,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:34:14,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-20 18:34:14,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924178006] [2024-11-20 18:34:14,428 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:34:14,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:34:14,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:34:14,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:34:14,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:34:14,429 INFO L87 Difference]: Start difference. First operand 1409 states and 2217 transitions. Second operand has 8 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-20 18:34:14,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:34:14,806 INFO L93 Difference]: Finished difference Result 1467 states and 2250 transitions. [2024-11-20 18:34:14,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 18:34:14,807 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 125 [2024-11-20 18:34:14,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:34:14,811 INFO L225 Difference]: With dead ends: 1467 [2024-11-20 18:34:14,811 INFO L226 Difference]: Without dead ends: 1463 [2024-11-20 18:34:14,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:34:14,812 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 266 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:34:14,812 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 633 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:34:14,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2024-11-20 18:34:14,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 1412. [2024-11-20 18:34:14,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1412 states, 1249 states have (on average 1.6196957566052843) internal successors, (2023), 1310 states have internal predecessors, (2023), 95 states have call successors, (95), 7 states have call predecessors, (95), 7 states have return successors, (95), 94 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-20 18:34:14,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1412 states and 2213 transitions. [2024-11-20 18:34:14,883 INFO L78 Accepts]: Start accepts. Automaton has 1412 states and 2213 transitions. Word has length 125 [2024-11-20 18:34:14,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:34:14,884 INFO L471 AbstractCegarLoop]: Abstraction has 1412 states and 2213 transitions. [2024-11-20 18:34:14,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-20 18:34:14,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 2213 transitions. [2024-11-20 18:34:14,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-20 18:34:14,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:34:14,885 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:34:14,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-11-20 18:34:15,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-20 18:34:15,086 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:34:15,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:34:15,086 INFO L85 PathProgramCache]: Analyzing trace with hash -159276649, now seen corresponding path program 1 times [2024-11-20 18:34:15,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:34:15,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631262267] [2024-11-20 18:34:15,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:15,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:34:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:34:15,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1998542282] [2024-11-20 18:34:15,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:15,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:15,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:34:15,101 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:34:15,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-20 18:34:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:15,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-20 18:34:15,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:34:15,443 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-20 18:34:15,443 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:34:15,635 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-20 18:34:15,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:34:15,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631262267] [2024-11-20 18:34:15,635 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:34:15,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998542282] [2024-11-20 18:34:15,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998542282] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-20 18:34:15,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:34:15,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-20 18:34:15,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213209554] [2024-11-20 18:34:15,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:34:15,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:34:15,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:34:15,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:34:15,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:34:15,636 INFO L87 Difference]: Start difference. First operand 1412 states and 2213 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-20 18:34:17,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:34:17,673 INFO L93 Difference]: Finished difference Result 1677 states and 2610 transitions. [2024-11-20 18:34:17,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 18:34:17,673 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 126 [2024-11-20 18:34:17,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:34:17,678 INFO L225 Difference]: With dead ends: 1677 [2024-11-20 18:34:17,678 INFO L226 Difference]: Without dead ends: 1672 [2024-11-20 18:34:17,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:34:17,679 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 119 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-20 18:34:17,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 277 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-20 18:34:17,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2024-11-20 18:34:17,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1655. [2024-11-20 18:34:17,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1483 states have (on average 1.5974376264329062) internal successors, (2369), 1544 states have internal predecessors, (2369), 104 states have call successors, (104), 7 states have call predecessors, (104), 7 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-20 18:34:17,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2577 transitions. [2024-11-20 18:34:17,766 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2577 transitions. Word has length 126 [2024-11-20 18:34:17,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:34:17,766 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 2577 transitions. [2024-11-20 18:34:17,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-20 18:34:17,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2577 transitions. [2024-11-20 18:34:17,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-20 18:34:17,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:34:17,767 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:34:17,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-20 18:34:17,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-20 18:34:17,968 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:34:17,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:34:17,968 INFO L85 PathProgramCache]: Analyzing trace with hash 170726093, now seen corresponding path program 1 times [2024-11-20 18:34:17,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:34:17,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765673676] [2024-11-20 18:34:17,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:17,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:34:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:34:17,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [269771850] [2024-11-20 18:34:17,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:17,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:17,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:34:17,992 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:34:17,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-20 18:34:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:18,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-20 18:34:18,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:34:18,606 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 3 proven. 43 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-20 18:34:18,606 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:34:18,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:34:18,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765673676] [2024-11-20 18:34:18,738 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:34:18,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269771850] [2024-11-20 18:34:18,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269771850] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:34:18,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:34:18,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-20 18:34:18,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855822732] [2024-11-20 18:34:18,738 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:34:18,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 18:34:18,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:34:18,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 18:34:18,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-20 18:34:18,739 INFO L87 Difference]: Start difference. First operand 1655 states and 2577 transitions. Second operand has 12 states, 10 states have (on average 9.4) internal successors, (94), 11 states have internal predecessors, (94), 5 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-20 18:34:19,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:34:19,362 INFO L93 Difference]: Finished difference Result 1713 states and 2617 transitions. [2024-11-20 18:34:19,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 18:34:19,363 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 9.4) internal successors, (94), 11 states have internal predecessors, (94), 5 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 132 [2024-11-20 18:34:19,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:34:19,367 INFO L225 Difference]: With dead ends: 1713 [2024-11-20 18:34:19,367 INFO L226 Difference]: Without dead ends: 1710 [2024-11-20 18:34:19,367 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-20 18:34:19,368 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 345 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 18:34:19,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 923 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 18:34:19,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2024-11-20 18:34:19,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 1655. [2024-11-20 18:34:19,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1483 states have (on average 1.5893459204315576) internal successors, (2357), 1544 states have internal predecessors, (2357), 104 states have call successors, (104), 7 states have call predecessors, (104), 7 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-20 18:34:19,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2565 transitions. [2024-11-20 18:34:19,458 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2565 transitions. Word has length 132 [2024-11-20 18:34:19,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:34:19,458 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 2565 transitions. [2024-11-20 18:34:19,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 9.4) internal successors, (94), 11 states have internal predecessors, (94), 5 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-20 18:34:19,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2565 transitions. [2024-11-20 18:34:19,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-20 18:34:19,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:34:19,459 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:34:19,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-20 18:34:19,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:19,660 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:34:19,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:34:19,660 INFO L85 PathProgramCache]: Analyzing trace with hash 997541691, now seen corresponding path program 1 times [2024-11-20 18:34:19,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:34:19,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609706867] [2024-11-20 18:34:19,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:19,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:34:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:34:19,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [392149251] [2024-11-20 18:34:19,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:19,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:19,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:34:19,674 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:34:19,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-20 18:34:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:19,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-20 18:34:19,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:34:20,143 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-20 18:34:20,143 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:34:33,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:34:33,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609706867] [2024-11-20 18:34:33,408 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:34:33,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392149251] [2024-11-20 18:34:33,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392149251] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:34:33,409 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:34:33,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-20 18:34:33,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349889217] [2024-11-20 18:34:33,409 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:34:33,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 18:34:33,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:34:33,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 18:34:33,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=94, Unknown=3, NotChecked=0, Total=132 [2024-11-20 18:34:33,410 INFO L87 Difference]: Start difference. First operand 1655 states and 2565 transitions. Second operand has 9 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-20 18:34:33,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:34:33,772 INFO L93 Difference]: Finished difference Result 1705 states and 2597 transitions. [2024-11-20 18:34:33,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 18:34:33,773 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 133 [2024-11-20 18:34:33,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:34:33,776 INFO L225 Difference]: With dead ends: 1705 [2024-11-20 18:34:33,776 INFO L226 Difference]: Without dead ends: 1702 [2024-11-20 18:34:33,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=45, Invalid=108, Unknown=3, NotChecked=0, Total=156 [2024-11-20 18:34:33,777 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 459 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:34:33,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 507 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:34:33,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2024-11-20 18:34:33,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 1655. [2024-11-20 18:34:33,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1483 states have (on average 1.581254214430209) internal successors, (2345), 1544 states have internal predecessors, (2345), 104 states have call successors, (104), 7 states have call predecessors, (104), 7 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-20 18:34:33,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2553 transitions. [2024-11-20 18:34:33,857 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2553 transitions. Word has length 133 [2024-11-20 18:34:33,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:34:33,857 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 2553 transitions. [2024-11-20 18:34:33,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-20 18:34:33,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2553 transitions. [2024-11-20 18:34:33,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-20 18:34:33,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:34:33,858 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:34:33,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-11-20 18:34:34,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:34,059 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:34:34,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:34:34,059 INFO L85 PathProgramCache]: Analyzing trace with hash 859021455, now seen corresponding path program 1 times [2024-11-20 18:34:34,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:34:34,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671347891] [2024-11-20 18:34:34,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:34,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:34:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:34:34,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1551990815] [2024-11-20 18:34:34,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:34,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:34,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:34:34,084 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:34:34,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-20 18:34:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:34,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-20 18:34:34,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:34:34,826 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-20 18:34:34,827 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:34:35,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:34:35,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671347891] [2024-11-20 18:34:35,010 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:34:35,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551990815] [2024-11-20 18:34:35,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551990815] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:34:35,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:34:35,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-20 18:34:35,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144793603] [2024-11-20 18:34:35,010 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:34:35,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 18:34:35,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:34:35,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 18:34:35,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-20 18:34:35,011 INFO L87 Difference]: Start difference. First operand 1655 states and 2553 transitions. Second operand has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-20 18:34:35,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:34:35,785 INFO L93 Difference]: Finished difference Result 1680 states and 2570 transitions. [2024-11-20 18:34:35,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 18:34:35,786 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 134 [2024-11-20 18:34:35,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:34:35,789 INFO L225 Difference]: With dead ends: 1680 [2024-11-20 18:34:35,789 INFO L226 Difference]: Without dead ends: 1678 [2024-11-20 18:34:35,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2024-11-20 18:34:35,790 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 631 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 18:34:35,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 478 Invalid, 1217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 18:34:35,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2024-11-20 18:34:35,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1655. [2024-11-20 18:34:35,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1483 states have (on average 1.5785569790964262) internal successors, (2341), 1544 states have internal predecessors, (2341), 104 states have call successors, (104), 7 states have call predecessors, (104), 7 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-20 18:34:35,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2549 transitions. [2024-11-20 18:34:35,856 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2549 transitions. Word has length 134 [2024-11-20 18:34:35,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:34:35,856 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 2549 transitions. [2024-11-20 18:34:35,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-20 18:34:35,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2549 transitions. [2024-11-20 18:34:35,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-20 18:34:35,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:34:35,857 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:34:35,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-11-20 18:34:36,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2024-11-20 18:34:36,057 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:34:36,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:34:36,058 INFO L85 PathProgramCache]: Analyzing trace with hash 859861437, now seen corresponding path program 1 times [2024-11-20 18:34:36,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:34:36,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803204140] [2024-11-20 18:34:36,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:36,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:34:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:34:36,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1631521820] [2024-11-20 18:34:36,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:36,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:36,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:34:36,073 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:34:36,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-20 18:34:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:36,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-20 18:34:36,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:34:36,743 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-20 18:34:36,744 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:34:37,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:34:37,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803204140] [2024-11-20 18:34:37,204 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:34:37,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631521820] [2024-11-20 18:34:37,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631521820] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:34:37,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:34:37,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-20 18:34:37,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573294798] [2024-11-20 18:34:37,204 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:34:37,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 18:34:37,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:34:37,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 18:34:37,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-20 18:34:37,205 INFO L87 Difference]: Start difference. First operand 1655 states and 2549 transitions. Second operand has 11 states, 9 states have (on average 10.444444444444445) internal successors, (94), 10 states have internal predecessors, (94), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-20 18:34:38,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:34:38,028 INFO L93 Difference]: Finished difference Result 1680 states and 2566 transitions. [2024-11-20 18:34:38,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 18:34:38,028 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 10.444444444444445) internal successors, (94), 10 states have internal predecessors, (94), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 135 [2024-11-20 18:34:38,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:34:38,031 INFO L225 Difference]: With dead ends: 1680 [2024-11-20 18:34:38,031 INFO L226 Difference]: Without dead ends: 1678 [2024-11-20 18:34:38,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2024-11-20 18:34:38,032 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 436 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 1289 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 18:34:38,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 554 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1289 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 18:34:38,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2024-11-20 18:34:38,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1655. [2024-11-20 18:34:38,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1483 states have (on average 1.5758597437626434) internal successors, (2337), 1544 states have internal predecessors, (2337), 104 states have call successors, (104), 7 states have call predecessors, (104), 7 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-20 18:34:38,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2545 transitions. [2024-11-20 18:34:38,115 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2545 transitions. Word has length 135 [2024-11-20 18:34:38,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:34:38,115 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 2545 transitions. [2024-11-20 18:34:38,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 10.444444444444445) internal successors, (94), 10 states have internal predecessors, (94), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-20 18:34:38,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2545 transitions. [2024-11-20 18:34:38,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-20 18:34:38,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:34:38,117 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:34:38,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2024-11-20 18:34:38,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:38,321 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:34:38,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:34:38,321 INFO L85 PathProgramCache]: Analyzing trace with hash 885900881, now seen corresponding path program 1 times [2024-11-20 18:34:38,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:34:38,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713485172] [2024-11-20 18:34:38,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:38,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:34:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:34:38,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [479059867] [2024-11-20 18:34:38,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:38,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:38,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:34:38,340 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:34:38,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-20 18:34:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:38,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-20 18:34:38,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:34:39,010 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 18:34:39,011 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:34:43,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:34:43,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713485172] [2024-11-20 18:34:43,166 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:34:43,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479059867] [2024-11-20 18:34:43,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479059867] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:34:43,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:34:43,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-20 18:34:43,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601621215] [2024-11-20 18:34:43,166 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:34:43,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:34:43,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:34:43,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:34:43,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=106, Unknown=1, NotChecked=0, Total=132 [2024-11-20 18:34:43,167 INFO L87 Difference]: Start difference. First operand 1655 states and 2545 transitions. Second operand has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-20 18:34:43,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:34:43,923 INFO L93 Difference]: Finished difference Result 1673 states and 2554 transitions. [2024-11-20 18:34:43,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 18:34:43,923 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 136 [2024-11-20 18:34:43,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:34:43,925 INFO L225 Difference]: With dead ends: 1673 [2024-11-20 18:34:43,925 INFO L226 Difference]: Without dead ends: 1670 [2024-11-20 18:34:43,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=42, Invalid=167, Unknown=1, NotChecked=0, Total=210 [2024-11-20 18:34:43,926 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 178 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 1046 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 18:34:43,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 491 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1046 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 18:34:43,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2024-11-20 18:34:43,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1655. [2024-11-20 18:34:43,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1483 states have (on average 1.571813890761969) internal successors, (2331), 1544 states have internal predecessors, (2331), 104 states have call successors, (104), 7 states have call predecessors, (104), 7 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-20 18:34:43,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2539 transitions. [2024-11-20 18:34:43,992 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2539 transitions. Word has length 136 [2024-11-20 18:34:43,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:34:43,992 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 2539 transitions. [2024-11-20 18:34:43,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-20 18:34:43,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2539 transitions. [2024-11-20 18:34:43,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-20 18:34:43,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:34:43,993 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:34:44,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2024-11-20 18:34:44,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2024-11-20 18:34:44,194 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-20 18:34:44,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:34:44,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1693123647, now seen corresponding path program 1 times [2024-11-20 18:34:44,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:34:44,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165124089] [2024-11-20 18:34:44,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:44,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:34:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:34:44,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1792677328] [2024-11-20 18:34:44,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:34:44,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:34:44,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:34:44,209 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:34:44,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-11-20 18:34:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:34:44,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-20 18:34:44,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:34:44,873 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 18:34:44,874 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:34:45,333 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 18:34:45,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:34:45,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165124089] [2024-11-20 18:34:45,333 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:34:45,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792677328] [2024-11-20 18:34:45,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792677328] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:34:45,333 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:34:45,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-20 18:34:45,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105777771] [2024-11-20 18:34:45,333 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:34:45,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 18:34:45,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:34:45,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 18:34:45,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:34:45,335 INFO L87 Difference]: Start difference. First operand 1655 states and 2539 transitions. Second operand has 14 states, 13 states have (on average 13.76923076923077) internal successors, (179), 14 states have internal predecessors, (179), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20)