./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.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 20f9ce6814caacb533e5bf2143ac3e067387f11238548a0b9b41e2de8e2cc436 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:39:55,801 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:39:55,874 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:39:55,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:39:55,882 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:39:55,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:39:55,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:39:55,917 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:39:55,918 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:39:55,918 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:39:55,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:39:55,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:39:55,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:39:55,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:39:55,922 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:39:55,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:39:55,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:39:55,923 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:39:55,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:39:55,924 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:39:55,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:39:55,924 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:39:55,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:39:55,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:39:55,925 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:39:55,926 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:39:55,926 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:39:55,927 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:39:55,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:39:55,927 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:39:55,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:39:55,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:39:55,928 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:39:55,933 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:39:55,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:39:55,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:39:55,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:39:55,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:39:55,935 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:39:55,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:39:55,935 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:39:55,936 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:39:55,936 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:39:55,937 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:39:55,937 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20f9ce6814caacb533e5bf2143ac3e067387f11238548a0b9b41e2de8e2cc436 [2024-11-09 11:39:56,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:39:56,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:39:56,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:39:56,229 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:39:56,229 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:39:56,230 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c [2024-11-09 11:39:57,641 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:39:57,821 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:39:57,822 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c [2024-11-09 11:39:57,831 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c28aab6fa/3db38886279b4def8a9d805014ab3ec4/FLAG44fcbf158 [2024-11-09 11:39:57,844 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c28aab6fa/3db38886279b4def8a9d805014ab3ec4 [2024-11-09 11:39:57,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:39:57,847 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:39:57,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:39:57,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:39:57,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:39:57,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:39:57" (1/1) ... [2024-11-09 11:39:57,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7603c2d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:57, skipping insertion in model container [2024-11-09 11:39:57,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:39:57" (1/1) ... [2024-11-09 11:39:57,878 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:39:58,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:39:58,065 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:39:58,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:39:58,095 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:39:58,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:58 WrapperNode [2024-11-09 11:39:58,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:39:58,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:39:58,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:39:58,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:39:58,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:58" (1/1) ... [2024-11-09 11:39:58,110 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:58" (1/1) ... [2024-11-09 11:39:58,137 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2024-11-09 11:39:58,138 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:39:58,138 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:39:58,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:39:58,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:39:58,147 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:58" (1/1) ... [2024-11-09 11:39:58,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:58" (1/1) ... [2024-11-09 11:39:58,149 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:58" (1/1) ... [2024-11-09 11:39:58,161 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]. [2024-11-09 11:39:58,161 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:58" (1/1) ... [2024-11-09 11:39:58,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:58" (1/1) ... [2024-11-09 11:39:58,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:58" (1/1) ... [2024-11-09 11:39:58,169 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:58" (1/1) ... [2024-11-09 11:39:58,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:58" (1/1) ... [2024-11-09 11:39:58,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:58" (1/1) ... [2024-11-09 11:39:58,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:39:58,174 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:39:58,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:39:58,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:39:58,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:58" (1/1) ... [2024-11-09 11:39:58,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:39:58,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:58,206 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) [2024-11-09 11:39:58,208 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 [2024-11-09 11:39:58,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:39:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 11:39:58,249 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 11:39:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:39:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:39:58,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:39:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:39:58,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:39:58,303 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:39:58,305 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:39:58,941 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-11-09 11:39:58,942 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:39:58,963 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:39:58,964 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 11:39:58,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:39:58 BoogieIcfgContainer [2024-11-09 11:39:58,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:39:58,969 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:39:58,970 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:39:58,973 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:39:58,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:39:57" (1/3) ... [2024-11-09 11:39:58,975 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d8be8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:39:58, skipping insertion in model container [2024-11-09 11:39:58,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:58" (2/3) ... [2024-11-09 11:39:58,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d8be8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:39:58, skipping insertion in model container [2024-11-09 11:39:58,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:39:58" (3/3) ... [2024-11-09 11:39:58,977 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd-ll_valuebound20.c [2024-11-09 11:39:58,995 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:39:58,996 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2024-11-09 11:39:59,074 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:39:59,080 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;@7034a2f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:39:59,080 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-09 11:39:59,085 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 74 states have (on average 1.837837837837838) internal successors, (136), 130 states have internal predecessors, (136), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 11:39:59,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 11:39:59,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:59,093 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:39:59,094 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:39:59,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:59,100 INFO L85 PathProgramCache]: Analyzing trace with hash -2137283996, now seen corresponding path program 1 times [2024-11-09 11:39:59,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:59,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106232393] [2024-11-09 11:39:59,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:59,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:39:59,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1687886357] [2024-11-09 11:39:59,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:59,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:59,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:59,266 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) [2024-11-09 11:39:59,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:39:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:59,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:39:59,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:59,399 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:39:59,399 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:39:59,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:59,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106232393] [2024-11-09 11:39:59,401 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:39:59,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687886357] [2024-11-09 11:39:59,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687886357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:59,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:59,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:39:59,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642321280] [2024-11-09 11:39:59,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:59,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:39:59,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:59,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:39:59,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:39:59,437 INFO L87 Difference]: Start difference. First operand has 144 states, 74 states have (on average 1.837837837837838) internal successors, (136), 130 states have internal predecessors, (136), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-09 11:39:59,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:59,868 INFO L93 Difference]: Finished difference Result 368 states and 460 transitions. [2024-11-09 11:39:59,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:39:59,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 26 [2024-11-09 11:39:59,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:59,884 INFO L225 Difference]: With dead ends: 368 [2024-11-09 11:39:59,884 INFO L226 Difference]: Without dead ends: 218 [2024-11-09 11:39:59,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:39:59,892 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 75 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:59,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 159 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:39:59,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-09 11:39:59,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 176. [2024-11-09 11:39:59,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 103 states have (on average 1.8349514563106797) internal successors, (189), 158 states have internal predecessors, (189), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 11:39:59,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 219 transitions. [2024-11-09 11:39:59,980 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 219 transitions. Word has length 26 [2024-11-09 11:39:59,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:59,981 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 219 transitions. [2024-11-09 11:39:59,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-09 11:39:59,981 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 219 transitions. [2024-11-09 11:39:59,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 11:39:59,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:59,983 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:39:59,997 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 11:40:00,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 11:40:00,184 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:00,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:00,185 INFO L85 PathProgramCache]: Analyzing trace with hash -935551034, now seen corresponding path program 1 times [2024-11-09 11:40:00,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:00,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026255413] [2024-11-09 11:40:00,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:00,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:00,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [956852893] [2024-11-09 11:40:00,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:00,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:00,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:00,226 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) [2024-11-09 11:40:00,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:40:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:00,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:40:00,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:00,296 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:40:00,297 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:00,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:00,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026255413] [2024-11-09 11:40:00,297 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:00,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956852893] [2024-11-09 11:40:00,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956852893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:00,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:00,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:40:00,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991433139] [2024-11-09 11:40:00,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:00,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:40:00,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:00,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:40:00,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:00,302 INFO L87 Difference]: Start difference. First operand 176 states and 219 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-09 11:40:00,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:00,702 INFO L93 Difference]: Finished difference Result 277 states and 343 transitions. [2024-11-09 11:40:00,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:00,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 28 [2024-11-09 11:40:00,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:00,704 INFO L225 Difference]: With dead ends: 277 [2024-11-09 11:40:00,704 INFO L226 Difference]: Without dead ends: 269 [2024-11-09 11:40:00,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:00,706 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 84 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:00,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 206 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:40:00,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-09 11:40:00,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 229. [2024-11-09 11:40:00,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 150 states have (on average 1.7866666666666666) internal successors, (268), 205 states have internal predecessors, (268), 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) [2024-11-09 11:40:00,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 310 transitions. [2024-11-09 11:40:00,725 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 310 transitions. Word has length 28 [2024-11-09 11:40:00,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:00,726 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 310 transitions. [2024-11-09 11:40:00,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-09 11:40:00,726 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 310 transitions. [2024-11-09 11:40:00,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 11:40:00,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:00,727 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] [2024-11-09 11:40:00,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 11:40:00,931 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,SelfDestructingSolverStorable1 [2024-11-09 11:40:00,932 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:00,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:00,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1416377048, now seen corresponding path program 1 times [2024-11-09 11:40:00,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:00,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060756203] [2024-11-09 11:40:00,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:00,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:00,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [292914422] [2024-11-09 11:40:00,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:00,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:00,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:00,960 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) [2024-11-09 11:40:00,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:40:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:01,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:40:01,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:01,094 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:40:01,095 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:01,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:01,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060756203] [2024-11-09 11:40:01,095 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:01,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292914422] [2024-11-09 11:40:01,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292914422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:01,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:01,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:40:01,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151367436] [2024-11-09 11:40:01,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:01,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:40:01,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:01,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:40:01,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:01,098 INFO L87 Difference]: Start difference. First operand 229 states and 310 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 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) [2024-11-09 11:40:01,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:01,311 INFO L93 Difference]: Finished difference Result 263 states and 329 transitions. [2024-11-09 11:40:01,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:01,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 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 [2024-11-09 11:40:01,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:01,314 INFO L225 Difference]: With dead ends: 263 [2024-11-09 11:40:01,314 INFO L226 Difference]: Without dead ends: 249 [2024-11-09 11:40:01,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:01,315 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 61 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:01,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 134 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:40:01,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-09 11:40:01,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 194. [2024-11-09 11:40:01,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 120 states have (on average 1.7083333333333333) internal successors, (205), 175 states have internal predecessors, (205), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 11:40:01,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 237 transitions. [2024-11-09 11:40:01,328 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 237 transitions. Word has length 30 [2024-11-09 11:40:01,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:01,329 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 237 transitions. [2024-11-09 11:40:01,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 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) [2024-11-09 11:40:01,329 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 237 transitions. [2024-11-09 11:40:01,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 11:40:01,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:01,330 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] [2024-11-09 11:40:01,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:40:01,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:01,531 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:01,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:01,532 INFO L85 PathProgramCache]: Analyzing trace with hash -323936951, now seen corresponding path program 1 times [2024-11-09 11:40:01,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:01,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903165420] [2024-11-09 11:40:01,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:01,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:01,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [472233246] [2024-11-09 11:40:01,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:01,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:01,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:01,572 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) [2024-11-09 11:40:01,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:40:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:01,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:40:01,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:01,650 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:40:01,651 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:01,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:01,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903165420] [2024-11-09 11:40:01,651 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:01,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472233246] [2024-11-09 11:40:01,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472233246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:01,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:01,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:40:01,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859543508] [2024-11-09 11:40:01,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:01,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:40:01,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:01,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:40:01,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:01,653 INFO L87 Difference]: Start difference. First operand 194 states and 237 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-09 11:40:01,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:01,910 INFO L93 Difference]: Finished difference Result 356 states and 456 transitions. [2024-11-09 11:40:01,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:01,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 37 [2024-11-09 11:40:01,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:01,913 INFO L225 Difference]: With dead ends: 356 [2024-11-09 11:40:01,913 INFO L226 Difference]: Without dead ends: 348 [2024-11-09 11:40:01,914 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 [2024-11-09 11:40:01,915 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 84 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:01,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 202 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:40:01,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-09 11:40:01,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 273. [2024-11-09 11:40:01,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 190 states have (on average 1.6894736842105262) internal successors, (321), 245 states have internal predecessors, (321), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:01,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 371 transitions. [2024-11-09 11:40:01,932 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 371 transitions. Word has length 37 [2024-11-09 11:40:01,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:01,932 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 371 transitions. [2024-11-09 11:40:01,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-09 11:40:01,933 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 371 transitions. [2024-11-09 11:40:01,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 11:40:01,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:01,933 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] [2024-11-09 11:40:01,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:40:02,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:02,134 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:02,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:02,135 INFO L85 PathProgramCache]: Analyzing trace with hash -2065762549, now seen corresponding path program 1 times [2024-11-09 11:40:02,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:02,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251617449] [2024-11-09 11:40:02,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:02,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:02,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1027918714] [2024-11-09 11:40:02,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:02,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:02,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:02,159 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) [2024-11-09 11:40:02,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:40:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:02,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:02,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:02,301 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:40:02,302 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:02,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:02,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251617449] [2024-11-09 11:40:02,302 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:02,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027918714] [2024-11-09 11:40:02,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027918714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:02,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:02,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:02,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133885477] [2024-11-09 11:40:02,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:02,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:02,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:02,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:02,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:02,304 INFO L87 Difference]: Start difference. First operand 273 states and 371 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, (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) [2024-11-09 11:40:02,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:02,664 INFO L93 Difference]: Finished difference Result 326 states and 436 transitions. [2024-11-09 11:40:02,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:02,665 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, (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 39 [2024-11-09 11:40:02,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:02,668 INFO L225 Difference]: With dead ends: 326 [2024-11-09 11:40:02,670 INFO L226 Difference]: Without dead ends: 324 [2024-11-09 11:40:02,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:02,671 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 171 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:02,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 162 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:40:02,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-09 11:40:02,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 273. [2024-11-09 11:40:02,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 190 states have (on average 1.668421052631579) internal successors, (317), 245 states have internal predecessors, (317), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:02,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 367 transitions. [2024-11-09 11:40:02,695 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 367 transitions. Word has length 39 [2024-11-09 11:40:02,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:02,695 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 367 transitions. [2024-11-09 11:40:02,696 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, (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) [2024-11-09 11:40:02,696 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 367 transitions. [2024-11-09 11:40:02,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 11:40:02,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:02,697 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] [2024-11-09 11:40:02,710 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 11:40:02,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:02,899 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:02,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:02,899 INFO L85 PathProgramCache]: Analyzing trace with hash 385870489, now seen corresponding path program 1 times [2024-11-09 11:40:02,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:02,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745869431] [2024-11-09 11:40:02,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:02,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:02,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1445756480] [2024-11-09 11:40:02,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:02,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:02,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:02,923 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) [2024-11-09 11:40:02,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:40:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:02,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:02,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:03,098 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:40:03,098 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:03,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:03,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745869431] [2024-11-09 11:40:03,099 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:03,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445756480] [2024-11-09 11:40:03,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445756480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:03,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:03,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:03,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866461685] [2024-11-09 11:40:03,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:03,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:03,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:03,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:03,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:03,100 INFO L87 Difference]: Start difference. First operand 273 states and 367 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:40:03,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:03,435 INFO L93 Difference]: Finished difference Result 326 states and 432 transitions. [2024-11-09 11:40:03,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:03,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 40 [2024-11-09 11:40:03,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:03,440 INFO L225 Difference]: With dead ends: 326 [2024-11-09 11:40:03,440 INFO L226 Difference]: Without dead ends: 324 [2024-11-09 11:40:03,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:03,441 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 170 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:03,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 162 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:40:03,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-09 11:40:03,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 273. [2024-11-09 11:40:03,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 190 states have (on average 1.6473684210526316) internal successors, (313), 245 states have internal predecessors, (313), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:03,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 363 transitions. [2024-11-09 11:40:03,467 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 363 transitions. Word has length 40 [2024-11-09 11:40:03,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:03,467 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 363 transitions. [2024-11-09 11:40:03,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:40:03,467 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 363 transitions. [2024-11-09 11:40:03,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 11:40:03,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:03,468 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:03,487 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 11:40:03,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:03,669 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:03,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:03,670 INFO L85 PathProgramCache]: Analyzing trace with hash -922916659, now seen corresponding path program 1 times [2024-11-09 11:40:03,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:03,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231415101] [2024-11-09 11:40:03,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:03,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:03,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [970017459] [2024-11-09 11:40:03,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:03,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:03,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:03,708 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) [2024-11-09 11:40:03,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:40:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:03,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:03,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:03,806 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:40:03,806 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:03,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:03,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231415101] [2024-11-09 11:40:03,807 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:03,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970017459] [2024-11-09 11:40:03,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970017459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:03,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:03,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:03,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709659052] [2024-11-09 11:40:03,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:03,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:03,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:03,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:03,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:03,809 INFO L87 Difference]: Start difference. First operand 273 states and 363 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:40:04,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:04,582 INFO L93 Difference]: Finished difference Result 346 states and 436 transitions. [2024-11-09 11:40:04,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:04,582 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2024-11-09 11:40:04,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:04,584 INFO L225 Difference]: With dead ends: 346 [2024-11-09 11:40:04,584 INFO L226 Difference]: Without dead ends: 344 [2024-11-09 11:40:04,585 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:04,588 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 141 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:04,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 173 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:40:04,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-09 11:40:04,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 274. [2024-11-09 11:40:04,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 191 states have (on average 1.6282722513089005) internal successors, (311), 246 states have internal predecessors, (311), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:04,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 361 transitions. [2024-11-09 11:40:04,607 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 361 transitions. Word has length 41 [2024-11-09 11:40:04,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:04,608 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 361 transitions. [2024-11-09 11:40:04,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:40:04,609 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 361 transitions. [2024-11-09 11:40:04,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 11:40:04,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:04,611 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:04,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:04,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:04,812 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:04,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:04,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1454354715, now seen corresponding path program 1 times [2024-11-09 11:40:04,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:04,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207267108] [2024-11-09 11:40:04,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:04,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:04,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1431775063] [2024-11-09 11:40:04,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:04,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:04,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:04,846 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) [2024-11-09 11:40:04,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:40:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:04,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:04,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:05,062 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:40:05,062 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:05,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:05,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207267108] [2024-11-09 11:40:05,063 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:05,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431775063] [2024-11-09 11:40:05,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431775063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:05,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:05,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:05,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752151433] [2024-11-09 11:40:05,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:05,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:05,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:05,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:05,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:05,064 INFO L87 Difference]: Start difference. First operand 274 states and 361 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:40:06,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:06,013 INFO L93 Difference]: Finished difference Result 346 states and 432 transitions. [2024-11-09 11:40:06,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:06,014 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2024-11-09 11:40:06,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:06,016 INFO L225 Difference]: With dead ends: 346 [2024-11-09 11:40:06,016 INFO L226 Difference]: Without dead ends: 344 [2024-11-09 11:40:06,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:06,017 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 140 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:06,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 176 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 11:40:06,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-09 11:40:06,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 275. [2024-11-09 11:40:06,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 192 states have (on average 1.609375) internal successors, (309), 247 states have internal predecessors, (309), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:06,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 359 transitions. [2024-11-09 11:40:06,037 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 359 transitions. Word has length 42 [2024-11-09 11:40:06,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:06,038 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 359 transitions. [2024-11-09 11:40:06,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:40:06,038 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 359 transitions. [2024-11-09 11:40:06,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 11:40:06,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:06,039 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] [2024-11-09 11:40:06,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 11:40:06,239 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,SelfDestructingSolverStorable7 [2024-11-09 11:40:06,240 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:06,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:06,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1348027140, now seen corresponding path program 1 times [2024-11-09 11:40:06,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:06,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521918770] [2024-11-09 11:40:06,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:06,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:06,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2082788327] [2024-11-09 11:40:06,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:06,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:06,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:06,273 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) [2024-11-09 11:40:06,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:40:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:06,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:06,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:06,397 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:40:06,397 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:06,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:06,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521918770] [2024-11-09 11:40:06,397 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:06,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082788327] [2024-11-09 11:40:06,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082788327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:06,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:06,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:06,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425037594] [2024-11-09 11:40:06,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:06,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:06,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:06,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:06,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:06,400 INFO L87 Difference]: Start difference. First operand 275 states and 359 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:06,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:06,762 INFO L93 Difference]: Finished difference Result 297 states and 378 transitions. [2024-11-09 11:40:06,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:06,763 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), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 50 [2024-11-09 11:40:06,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:06,764 INFO L225 Difference]: With dead ends: 297 [2024-11-09 11:40:06,765 INFO L226 Difference]: Without dead ends: 295 [2024-11-09 11:40:06,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:06,766 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 155 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:06,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 173 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:40:06,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-09 11:40:06,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 276. [2024-11-09 11:40:06,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 193 states have (on average 1.5958549222797926) internal successors, (308), 248 states have internal predecessors, (308), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:06,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 358 transitions. [2024-11-09 11:40:06,778 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 358 transitions. Word has length 50 [2024-11-09 11:40:06,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:06,778 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 358 transitions. [2024-11-09 11:40:06,779 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), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:06,779 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 358 transitions. [2024-11-09 11:40:06,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 11:40:06,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:06,780 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:06,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 11:40:06,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:06,984 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:06,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:06,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1160831701, now seen corresponding path program 1 times [2024-11-09 11:40:06,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:06,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050838706] [2024-11-09 11:40:06,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:06,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:07,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [467441109] [2024-11-09 11:40:07,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:07,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:07,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:07,013 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) [2024-11-09 11:40:07,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:40:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:07,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:07,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:07,141 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:40:07,142 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:07,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:07,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050838706] [2024-11-09 11:40:07,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:07,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467441109] [2024-11-09 11:40:07,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467441109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:07,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:07,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:07,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090340881] [2024-11-09 11:40:07,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:07,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:07,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:07,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:07,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:07,145 INFO L87 Difference]: Start difference. First operand 276 states and 358 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:07,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:07,420 INFO L93 Difference]: Finished difference Result 297 states and 375 transitions. [2024-11-09 11:40:07,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:07,421 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 51 [2024-11-09 11:40:07,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:07,422 INFO L225 Difference]: With dead ends: 297 [2024-11-09 11:40:07,423 INFO L226 Difference]: Without dead ends: 295 [2024-11-09 11:40:07,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:07,424 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 207 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:07,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 155 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:40:07,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-09 11:40:07,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 277. [2024-11-09 11:40:07,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 194 states have (on average 1.5824742268041236) internal successors, (307), 249 states have internal predecessors, (307), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:07,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 357 transitions. [2024-11-09 11:40:07,441 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 357 transitions. Word has length 51 [2024-11-09 11:40:07,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:07,442 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 357 transitions. [2024-11-09 11:40:07,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:07,442 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 357 transitions. [2024-11-09 11:40:07,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 11:40:07,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:07,443 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:07,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 11:40:07,644 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,SelfDestructingSolverStorable9 [2024-11-09 11:40:07,645 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:07,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:07,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1626044446, now seen corresponding path program 1 times [2024-11-09 11:40:07,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:07,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892668418] [2024-11-09 11:40:07,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:07,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:07,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1036248429] [2024-11-09 11:40:07,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:07,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:07,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:07,673 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) [2024-11-09 11:40:07,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:40:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:07,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:07,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:07,757 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:40:07,760 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:07,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:07,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892668418] [2024-11-09 11:40:07,761 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:07,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036248429] [2024-11-09 11:40:07,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036248429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:07,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:07,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:07,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699760680] [2024-11-09 11:40:07,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:07,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:07,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:07,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:07,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:07,763 INFO L87 Difference]: Start difference. First operand 277 states and 357 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-11-09 11:40:08,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:08,478 INFO L93 Difference]: Finished difference Result 305 states and 364 transitions. [2024-11-09 11:40:08,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:08,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 52 [2024-11-09 11:40:08,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:08,480 INFO L225 Difference]: With dead ends: 305 [2024-11-09 11:40:08,480 INFO L226 Difference]: Without dead ends: 303 [2024-11-09 11:40:08,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:08,481 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 77 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:08,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 252 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:40:08,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-09 11:40:08,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 278. [2024-11-09 11:40:08,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 195 states have (on average 1.5692307692307692) internal successors, (306), 250 states have internal predecessors, (306), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:08,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 356 transitions. [2024-11-09 11:40:08,493 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 356 transitions. Word has length 52 [2024-11-09 11:40:08,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:08,493 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 356 transitions. [2024-11-09 11:40:08,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-11-09 11:40:08,494 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 356 transitions. [2024-11-09 11:40:08,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 11:40:08,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:08,494 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:08,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:08,698 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,SelfDestructingSolverStorable10 [2024-11-09 11:40:08,699 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:08,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:08,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1132229641, now seen corresponding path program 1 times [2024-11-09 11:40:08,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:08,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006886215] [2024-11-09 11:40:08,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:08,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:08,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [230519230] [2024-11-09 11:40:08,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:08,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:08,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:08,716 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) [2024-11-09 11:40:08,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:40:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:08,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:08,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:08,879 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:40:08,879 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:08,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:08,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006886215] [2024-11-09 11:40:08,880 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:08,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230519230] [2024-11-09 11:40:08,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230519230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:08,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:08,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:08,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032156709] [2024-11-09 11:40:08,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:08,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:08,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:08,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:08,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:08,881 INFO L87 Difference]: Start difference. First operand 278 states and 356 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:40:10,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:10,290 INFO L93 Difference]: Finished difference Result 305 states and 361 transitions. [2024-11-09 11:40:10,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:10,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 53 [2024-11-09 11:40:10,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:10,292 INFO L225 Difference]: With dead ends: 305 [2024-11-09 11:40:10,292 INFO L226 Difference]: Without dead ends: 303 [2024-11-09 11:40:10,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:10,293 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 77 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:10,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 255 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 11:40:10,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-09 11:40:10,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 279. [2024-11-09 11:40:10,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 196 states have (on average 1.5561224489795917) internal successors, (305), 251 states have internal predecessors, (305), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:10,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 355 transitions. [2024-11-09 11:40:10,305 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 355 transitions. Word has length 53 [2024-11-09 11:40:10,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:10,306 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 355 transitions. [2024-11-09 11:40:10,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:40:10,306 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 355 transitions. [2024-11-09 11:40:10,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 11:40:10,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:10,309 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] [2024-11-09 11:40:10,327 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 11:40:10,509 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,SelfDestructingSolverStorable11 [2024-11-09 11:40:10,509 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:10,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:10,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1673162558, now seen corresponding path program 1 times [2024-11-09 11:40:10,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:10,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532629968] [2024-11-09 11:40:10,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:10,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:40:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:40:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:40:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:40:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:40:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,633 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:40:10,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:10,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532629968] [2024-11-09 11:40:10,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532629968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:10,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:10,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:40:10,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035056153] [2024-11-09 11:40:10,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:10,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:40:10,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:10,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:40:10,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:10,637 INFO L87 Difference]: Start difference. First operand 279 states and 355 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-09 11:40:10,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:10,677 INFO L93 Difference]: Finished difference Result 279 states and 355 transitions. [2024-11-09 11:40:10,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:10,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 60 [2024-11-09 11:40:10,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:10,679 INFO L225 Difference]: With dead ends: 279 [2024-11-09 11:40:10,679 INFO L226 Difference]: Without dead ends: 277 [2024-11-09 11:40:10,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:10,681 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 46 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:10,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 209 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:40:10,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-09 11:40:10,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2024-11-09 11:40:10,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 196 states have (on average 1.5255102040816326) internal successors, (299), 249 states have internal predecessors, (299), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:10,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 349 transitions. [2024-11-09 11:40:10,694 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 349 transitions. Word has length 60 [2024-11-09 11:40:10,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:10,694 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 349 transitions. [2024-11-09 11:40:10,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-09 11:40:10,695 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 349 transitions. [2024-11-09 11:40:10,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 11:40:10,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:10,696 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:10,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 11:40:10,696 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:10,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:10,696 INFO L85 PathProgramCache]: Analyzing trace with hash 328431874, now seen corresponding path program 1 times [2024-11-09 11:40:10,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:10,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497907135] [2024-11-09 11:40:10,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:10,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:40:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:40:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:40:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:40:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:40:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,762 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:40:10,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:10,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497907135] [2024-11-09 11:40:10,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497907135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:10,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:10,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:40:10,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69557832] [2024-11-09 11:40:10,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:10,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:40:10,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:10,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:40:10,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:10,764 INFO L87 Difference]: Start difference. First operand 277 states and 349 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-09 11:40:10,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:10,817 INFO L93 Difference]: Finished difference Result 277 states and 349 transitions. [2024-11-09 11:40:10,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:10,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 61 [2024-11-09 11:40:10,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:10,819 INFO L225 Difference]: With dead ends: 277 [2024-11-09 11:40:10,819 INFO L226 Difference]: Without dead ends: 275 [2024-11-09 11:40:10,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:10,819 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 45 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:10,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 208 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:40:10,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-09 11:40:10,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2024-11-09 11:40:10,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 196 states have (on average 1.4846938775510203) internal successors, (291), 247 states have internal predecessors, (291), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:10,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 341 transitions. [2024-11-09 11:40:10,831 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 341 transitions. Word has length 61 [2024-11-09 11:40:10,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:10,832 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 341 transitions. [2024-11-09 11:40:10,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-09 11:40:10,832 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 341 transitions. [2024-11-09 11:40:10,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 11:40:10,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:10,833 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:10,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 11:40:10,834 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:10,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:10,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1591481438, now seen corresponding path program 1 times [2024-11-09 11:40:10,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:10,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167259002] [2024-11-09 11:40:10,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:10,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:40:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:40:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:40:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:40:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:40:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,988 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:40:10,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:10,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167259002] [2024-11-09 11:40:10,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167259002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:10,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:10,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:40:10,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120629810] [2024-11-09 11:40:10,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:10,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:40:10,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:10,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:40:10,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:40:10,990 INFO L87 Difference]: Start difference. First operand 275 states and 341 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 11:40:11,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:11,642 INFO L93 Difference]: Finished difference Result 278 states and 344 transitions. [2024-11-09 11:40:11,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:40:11,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 62 [2024-11-09 11:40:11,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:11,644 INFO L225 Difference]: With dead ends: 278 [2024-11-09 11:40:11,644 INFO L226 Difference]: Without dead ends: 277 [2024-11-09 11:40:11,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:40:11,645 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 277 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:11,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 163 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:40:11,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-09 11:40:11,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2024-11-09 11:40:11,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 198 states have (on average 1.47979797979798) internal successors, (293), 249 states have internal predecessors, (293), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:11,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 343 transitions. [2024-11-09 11:40:11,658 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 343 transitions. Word has length 62 [2024-11-09 11:40:11,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:11,658 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 343 transitions. [2024-11-09 11:40:11,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 11:40:11,659 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 343 transitions. [2024-11-09 11:40:11,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 11:40:11,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:11,660 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:11,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 11:40:11,660 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:11,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:11,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1591495340, now seen corresponding path program 1 times [2024-11-09 11:40:11,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:11,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066717643] [2024-11-09 11:40:11,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:11,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:11,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:11,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:40:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:11,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:40:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:11,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:40:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:11,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:40:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:11,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:40:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:11,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:11,763 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:40:11,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:11,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066717643] [2024-11-09 11:40:11,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066717643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:11,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:11,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:40:11,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912823407] [2024-11-09 11:40:11,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:11,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:40:11,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:11,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:40:11,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:40:11,765 INFO L87 Difference]: Start difference. First operand 277 states and 343 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 11:40:12,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:12,317 INFO L93 Difference]: Finished difference Result 278 states and 343 transitions. [2024-11-09 11:40:12,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:40:12,318 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 62 [2024-11-09 11:40:12,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:12,319 INFO L225 Difference]: With dead ends: 278 [2024-11-09 11:40:12,319 INFO L226 Difference]: Without dead ends: 277 [2024-11-09 11:40:12,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:40:12,320 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 277 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:12,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 163 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:40:12,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-09 11:40:12,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2024-11-09 11:40:12,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 198 states have (on average 1.4747474747474747) internal successors, (292), 249 states have internal predecessors, (292), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:12,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 342 transitions. [2024-11-09 11:40:12,336 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 342 transitions. Word has length 62 [2024-11-09 11:40:12,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:12,337 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 342 transitions. [2024-11-09 11:40:12,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 11:40:12,337 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 342 transitions. [2024-11-09 11:40:12,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 11:40:12,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:12,338 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] [2024-11-09 11:40:12,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 11:40:12,338 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:12,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:12,339 INFO L85 PathProgramCache]: Analyzing trace with hash -320361720, now seen corresponding path program 1 times [2024-11-09 11:40:12,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:12,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635155045] [2024-11-09 11:40:12,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:12,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:12,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:12,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:40:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:12,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:40:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:12,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:40:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:12,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:40:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:12,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:40:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:12,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:12,424 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:40:12,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:12,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635155045] [2024-11-09 11:40:12,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635155045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:12,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:12,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:40:12,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811789980] [2024-11-09 11:40:12,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:12,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:40:12,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:12,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:40:12,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:12,432 INFO L87 Difference]: Start difference. First operand 277 states and 342 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-11-09 11:40:12,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:12,757 INFO L93 Difference]: Finished difference Result 334 states and 410 transitions. [2024-11-09 11:40:12,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:12,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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 65 [2024-11-09 11:40:12,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:12,759 INFO L225 Difference]: With dead ends: 334 [2024-11-09 11:40:12,759 INFO L226 Difference]: Without dead ends: 330 [2024-11-09 11:40:12,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:12,760 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 43 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:12,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 148 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:40:12,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-09 11:40:12,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 287. [2024-11-09 11:40:12,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 208 states have (on average 1.4567307692307692) internal successors, (303), 259 states have internal predecessors, (303), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:12,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 353 transitions. [2024-11-09 11:40:12,774 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 353 transitions. Word has length 65 [2024-11-09 11:40:12,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:12,774 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 353 transitions. [2024-11-09 11:40:12,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-11-09 11:40:12,775 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 353 transitions. [2024-11-09 11:40:12,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 11:40:12,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:12,775 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:12,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 11:40:12,776 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:12,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:12,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1429265646, now seen corresponding path program 1 times [2024-11-09 11:40:12,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:12,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521633474] [2024-11-09 11:40:12,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:12,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:12,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [453928627] [2024-11-09 11:40:12,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:12,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:12,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:12,792 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) [2024-11-09 11:40:12,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 11:40:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:12,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:40:12,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:13,010 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:40:13,010 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:13,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:13,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521633474] [2024-11-09 11:40:13,165 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:13,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453928627] [2024-11-09 11:40:13,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453928627] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:13,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:13,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-09 11:40:13,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796388048] [2024-11-09 11:40:13,166 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:13,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:13,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:13,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:13,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:40:13,167 INFO L87 Difference]: Start difference. First operand 287 states and 353 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:40:13,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:13,589 INFO L93 Difference]: Finished difference Result 328 states and 404 transitions. [2024-11-09 11:40:13,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:13,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 68 [2024-11-09 11:40:13,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:13,592 INFO L225 Difference]: With dead ends: 328 [2024-11-09 11:40:13,592 INFO L226 Difference]: Without dead ends: 326 [2024-11-09 11:40:13,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:40:13,593 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 36 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:13,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 189 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:40:13,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-09 11:40:13,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 288. [2024-11-09 11:40:13,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 209 states have (on average 1.4497607655502391) internal successors, (303), 260 states have internal predecessors, (303), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:13,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 353 transitions. [2024-11-09 11:40:13,606 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 353 transitions. Word has length 68 [2024-11-09 11:40:13,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:13,607 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 353 transitions. [2024-11-09 11:40:13,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:40:13,607 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 353 transitions. [2024-11-09 11:40:13,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 11:40:13,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:13,608 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:13,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 11:40:13,811 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 [2024-11-09 11:40:13,812 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:13,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:13,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1357562015, now seen corresponding path program 1 times [2024-11-09 11:40:13,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:13,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007923117] [2024-11-09 11:40:13,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:13,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:13,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [120683739] [2024-11-09 11:40:13,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:13,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:13,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:13,829 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) [2024-11-09 11:40:13,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 11:40:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:40:13,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:14,059 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:40:14,060 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:14,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:14,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007923117] [2024-11-09 11:40:14,434 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:14,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120683739] [2024-11-09 11:40:14,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120683739] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:14,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:14,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-09 11:40:14,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604741555] [2024-11-09 11:40:14,435 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:14,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:14,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:14,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:14,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:40:14,436 INFO L87 Difference]: Start difference. First operand 288 states and 353 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2024-11-09 11:40:14,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:14,802 INFO L93 Difference]: Finished difference Result 328 states and 402 transitions. [2024-11-09 11:40:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:14,802 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 69 [2024-11-09 11:40:14,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:14,804 INFO L225 Difference]: With dead ends: 328 [2024-11-09 11:40:14,804 INFO L226 Difference]: Without dead ends: 326 [2024-11-09 11:40:14,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:40:14,804 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 72 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:14,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 142 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:40:14,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-09 11:40:14,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 289. [2024-11-09 11:40:14,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 210 states have (on average 1.4428571428571428) internal successors, (303), 261 states have internal predecessors, (303), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:14,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 353 transitions. [2024-11-09 11:40:14,819 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 353 transitions. Word has length 69 [2024-11-09 11:40:14,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:14,819 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 353 transitions. [2024-11-09 11:40:14,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2024-11-09 11:40:14,819 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 353 transitions. [2024-11-09 11:40:14,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 11:40:14,820 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:14,820 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] [2024-11-09 11:40:14,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-09 11:40:15,020 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 [2024-11-09 11:40:15,021 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:15,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:15,022 INFO L85 PathProgramCache]: Analyzing trace with hash 436284631, now seen corresponding path program 1 times [2024-11-09 11:40:15,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:15,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832093571] [2024-11-09 11:40:15,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:15,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:15,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:15,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:40:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:15,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:40:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:15,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:40:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:15,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:40:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:15,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:40:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:15,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:15,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 11:40:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:15,202 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 11:40:15,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:15,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832093571] [2024-11-09 11:40:15,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832093571] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:15,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748405000] [2024-11-09 11:40:15,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:15,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:15,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:15,204 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) [2024-11-09 11:40:15,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 11:40:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:15,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:40:15,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:15,439 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:40:15,440 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:15,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748405000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:15,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:15,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:40:15,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572957509] [2024-11-09 11:40:15,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:15,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:15,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:15,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:15,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:40:15,442 INFO L87 Difference]: Start difference. First operand 289 states and 353 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-09 11:40:16,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:16,115 INFO L93 Difference]: Finished difference Result 325 states and 400 transitions. [2024-11-09 11:40:16,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:40:16,116 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 73 [2024-11-09 11:40:16,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:16,118 INFO L225 Difference]: With dead ends: 325 [2024-11-09 11:40:16,118 INFO L226 Difference]: Without dead ends: 324 [2024-11-09 11:40:16,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:40:16,119 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 62 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:16,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 137 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:40:16,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-09 11:40:16,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 290. [2024-11-09 11:40:16,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 211 states have (on average 1.4360189573459716) internal successors, (303), 262 states have internal predecessors, (303), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:16,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 353 transitions. [2024-11-09 11:40:16,146 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 353 transitions. Word has length 73 [2024-11-09 11:40:16,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:16,147 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 353 transitions. [2024-11-09 11:40:16,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-09 11:40:16,147 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 353 transitions. [2024-11-09 11:40:16,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 11:40:16,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:16,148 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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] [2024-11-09 11:40:16,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 11:40:16,348 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 [2024-11-09 11:40:16,349 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:16,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:16,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1717877034, now seen corresponding path program 1 times [2024-11-09 11:40:16,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:16,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198564292] [2024-11-09 11:40:16,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:16,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:16,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2035776905] [2024-11-09 11:40:16,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:16,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:16,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:16,375 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) [2024-11-09 11:40:16,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 11:40:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:16,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:16,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:16,479 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-09 11:40:16,479 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:16,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:16,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198564292] [2024-11-09 11:40:16,480 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:16,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035776905] [2024-11-09 11:40:16,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035776905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:16,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:16,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:16,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285404370] [2024-11-09 11:40:16,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:16,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:16,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:16,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:16,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:16,482 INFO L87 Difference]: Start difference. First operand 290 states and 353 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) [2024-11-09 11:40:17,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:17,163 INFO L93 Difference]: Finished difference Result 341 states and 398 transitions. [2024-11-09 11:40:17,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:17,164 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 72 [2024-11-09 11:40:17,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:17,165 INFO L225 Difference]: With dead ends: 341 [2024-11-09 11:40:17,165 INFO L226 Difference]: Without dead ends: 340 [2024-11-09 11:40:17,165 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 [2024-11-09 11:40:17,167 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 110 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:17,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 171 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:40:17,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-09 11:40:17,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 290. [2024-11-09 11:40:17,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 211 states have (on average 1.4312796208530805) internal successors, (302), 262 states have internal predecessors, (302), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:17,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 352 transitions. [2024-11-09 11:40:17,183 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 352 transitions. Word has length 72 [2024-11-09 11:40:17,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:17,184 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 352 transitions. [2024-11-09 11:40:17,184 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) [2024-11-09 11:40:17,184 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 352 transitions. [2024-11-09 11:40:17,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 11:40:17,185 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:17,186 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:17,202 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-09 11:40:17,386 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 [2024-11-09 11:40:17,387 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:17,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:17,388 INFO L85 PathProgramCache]: Analyzing trace with hash 639921818, now seen corresponding path program 1 times [2024-11-09 11:40:17,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:17,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234643282] [2024-11-09 11:40:17,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:17,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:17,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:17,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:40:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:17,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:40:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:17,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:40:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:17,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:40:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:17,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:40:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:17,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:17,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 11:40:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:17,548 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 11:40:17,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:17,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234643282] [2024-11-09 11:40:17,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234643282] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:17,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787321741] [2024-11-09 11:40:17,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:17,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:17,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:17,551 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) [2024-11-09 11:40:17,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 11:40:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:17,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:40:17,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:17,796 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:40:17,796 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:17,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787321741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:17,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:17,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:40:17,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776307283] [2024-11-09 11:40:17,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:17,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:17,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:17,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:17,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:40:17,799 INFO L87 Difference]: Start difference. First operand 290 states and 352 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:40:18,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:18,390 INFO L93 Difference]: Finished difference Result 325 states and 397 transitions. [2024-11-09 11:40:18,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:18,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 74 [2024-11-09 11:40:18,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:18,392 INFO L225 Difference]: With dead ends: 325 [2024-11-09 11:40:18,392 INFO L226 Difference]: Without dead ends: 324 [2024-11-09 11:40:18,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:40:18,393 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 59 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:18,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 143 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:40:18,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-09 11:40:18,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 291. [2024-11-09 11:40:18,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 212 states have (on average 1.4245283018867925) internal successors, (302), 263 states have internal predecessors, (302), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:18,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 352 transitions. [2024-11-09 11:40:18,408 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 352 transitions. Word has length 74 [2024-11-09 11:40:18,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:18,408 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 352 transitions. [2024-11-09 11:40:18,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:40:18,409 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 352 transitions. [2024-11-09 11:40:18,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 11:40:18,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:18,410 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:18,427 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-09 11:40:18,610 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 [2024-11-09 11:40:18,610 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:18,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:18,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1714580443, now seen corresponding path program 1 times [2024-11-09 11:40:18,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:18,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984186570] [2024-11-09 11:40:18,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:18,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:18,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [83559673] [2024-11-09 11:40:18,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:18,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:18,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:18,628 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) [2024-11-09 11:40:18,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 11:40:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:18,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:18,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:18,902 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 11:40:18,902 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:18,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:18,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984186570] [2024-11-09 11:40:18,902 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:18,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83559673] [2024-11-09 11:40:18,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83559673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:18,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:18,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:18,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516662520] [2024-11-09 11:40:18,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:18,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:18,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:18,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:18,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:18,904 INFO L87 Difference]: Start difference. First operand 291 states and 352 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) [2024-11-09 11:40:19,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:19,980 INFO L93 Difference]: Finished difference Result 343 states and 395 transitions. [2024-11-09 11:40:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:19,981 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 73 [2024-11-09 11:40:19,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:19,982 INFO L225 Difference]: With dead ends: 343 [2024-11-09 11:40:19,982 INFO L226 Difference]: Without dead ends: 340 [2024-11-09 11:40:19,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:19,983 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 74 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:19,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 224 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 11:40:19,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-09 11:40:19,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 294. [2024-11-09 11:40:19,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 215 states have (on average 1.4186046511627908) internal successors, (305), 266 states have internal predecessors, (305), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:40:19,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 355 transitions. [2024-11-09 11:40:19,998 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 355 transitions. Word has length 73 [2024-11-09 11:40:19,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:19,998 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 355 transitions. [2024-11-09 11:40:19,998 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) [2024-11-09 11:40:19,998 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 355 transitions. [2024-11-09 11:40:19,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 11:40:19,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:19,999 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:20,016 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-09 11:40:20,200 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 [2024-11-09 11:40:20,200 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:20,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:20,200 INFO L85 PathProgramCache]: Analyzing trace with hash -729712663, now seen corresponding path program 1 times [2024-11-09 11:40:20,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:20,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877454508] [2024-11-09 11:40:20,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:20,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:20,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1811071689] [2024-11-09 11:40:20,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:20,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:20,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:20,221 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) [2024-11-09 11:40:20,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 11:40:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:20,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 11:40:20,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:20,670 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:40:20,670 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:20,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:20,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877454508] [2024-11-09 11:40:20,821 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:20,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811071689] [2024-11-09 11:40:20,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1811071689] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:20,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:20,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:40:20,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006548496] [2024-11-09 11:40:20,822 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:20,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:40:20,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:20,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:40:20,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:40:20,823 INFO L87 Difference]: Start difference. First operand 294 states and 355 transitions. Second operand has 9 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:21,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:21,680 INFO L93 Difference]: Finished difference Result 458 states and 587 transitions. [2024-11-09 11:40:21,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:40:21,680 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 79 [2024-11-09 11:40:21,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:21,682 INFO L225 Difference]: With dead ends: 458 [2024-11-09 11:40:21,682 INFO L226 Difference]: Without dead ends: 456 [2024-11-09 11:40:21,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:40:21,683 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 417 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 1065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:21,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 411 Invalid, 1065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:40:21,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-11-09 11:40:21,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 364. [2024-11-09 11:40:21,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 277 states have (on average 1.4548736462093863) internal successors, (403), 328 states have internal predecessors, (403), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-09 11:40:21,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 469 transitions. [2024-11-09 11:40:21,703 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 469 transitions. Word has length 79 [2024-11-09 11:40:21,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:21,703 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 469 transitions. [2024-11-09 11:40:21,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:21,704 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 469 transitions. [2024-11-09 11:40:21,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 11:40:21,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:21,704 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:21,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-09 11:40:21,908 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 [2024-11-09 11:40:21,909 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:21,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:21,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1146256009, now seen corresponding path program 1 times [2024-11-09 11:40:21,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:21,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143722323] [2024-11-09 11:40:21,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:21,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:21,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [396749450] [2024-11-09 11:40:21,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:21,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:21,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:21,926 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) [2024-11-09 11:40:21,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-09 11:40:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:21,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 11:40:21,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:22,350 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:40:22,350 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:23,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:23,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143722323] [2024-11-09 11:40:23,176 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:23,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396749450] [2024-11-09 11:40:23,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396749450] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:23,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:23,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:40:23,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845103145] [2024-11-09 11:40:23,177 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:23,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:40:23,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:23,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:40:23,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:40:23,178 INFO L87 Difference]: Start difference. First operand 364 states and 469 transitions. Second operand has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:24,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:24,158 INFO L93 Difference]: Finished difference Result 478 states and 617 transitions. [2024-11-09 11:40:24,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:40:24,159 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 80 [2024-11-09 11:40:24,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:24,161 INFO L225 Difference]: With dead ends: 478 [2024-11-09 11:40:24,161 INFO L226 Difference]: Without dead ends: 471 [2024-11-09 11:40:24,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:40:24,162 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 445 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:24,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 332 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:40:24,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-09 11:40:24,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 424. [2024-11-09 11:40:24,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 331 states have (on average 1.486404833836858) internal successors, (492), 382 states have internal predecessors, (492), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-09 11:40:24,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 570 transitions. [2024-11-09 11:40:24,197 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 570 transitions. Word has length 80 [2024-11-09 11:40:24,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:24,197 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 570 transitions. [2024-11-09 11:40:24,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:24,198 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 570 transitions. [2024-11-09 11:40:24,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 11:40:24,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:24,198 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] [2024-11-09 11:40:24,218 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-09 11:40:24,399 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 [2024-11-09 11:40:24,399 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:24,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:24,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1174197845, now seen corresponding path program 1 times [2024-11-09 11:40:24,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:24,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506713218] [2024-11-09 11:40:24,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:24,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:24,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1683435407] [2024-11-09 11:40:24,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:24,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:24,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:24,418 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) [2024-11-09 11:40:24,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-09 11:40:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:24,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 11:40:24,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:24,856 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:40:24,856 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:24,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:24,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506713218] [2024-11-09 11:40:24,987 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:24,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683435407] [2024-11-09 11:40:24,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683435407] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:24,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:24,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:40:24,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986570438] [2024-11-09 11:40:24,987 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:24,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:40:24,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:24,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:40:24,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:40:24,988 INFO L87 Difference]: Start difference. First operand 424 states and 570 transitions. Second operand has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:25,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:25,812 INFO L93 Difference]: Finished difference Result 470 states and 603 transitions. [2024-11-09 11:40:25,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:40:25,812 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 81 [2024-11-09 11:40:25,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:25,814 INFO L225 Difference]: With dead ends: 470 [2024-11-09 11:40:25,814 INFO L226 Difference]: Without dead ends: 464 [2024-11-09 11:40:25,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:40:25,815 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 520 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 858 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:25,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 280 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 858 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:40:25,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-11-09 11:40:25,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 422. [2024-11-09 11:40:25,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 329 states have (on average 1.446808510638298) internal successors, (476), 380 states have internal predecessors, (476), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-09 11:40:25,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 554 transitions. [2024-11-09 11:40:25,839 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 554 transitions. Word has length 81 [2024-11-09 11:40:25,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:25,839 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 554 transitions. [2024-11-09 11:40:25,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:25,839 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 554 transitions. [2024-11-09 11:40:25,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 11:40:25,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:25,840 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] [2024-11-09 11:40:25,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-09 11:40:26,044 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 [2024-11-09 11:40:26,045 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:26,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:26,045 INFO L85 PathProgramCache]: Analyzing trace with hash -2040394759, now seen corresponding path program 1 times [2024-11-09 11:40:26,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:26,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182798138] [2024-11-09 11:40:26,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:26,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:26,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [876011609] [2024-11-09 11:40:26,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:26,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:26,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:26,061 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) [2024-11-09 11:40:26,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-09 11:40:26,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:26,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 11:40:26,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:26,476 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:40:26,477 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:26,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:26,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182798138] [2024-11-09 11:40:26,997 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:26,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876011609] [2024-11-09 11:40:26,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [876011609] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:26,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:26,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:40:26,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926310797] [2024-11-09 11:40:26,998 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:26,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:40:26,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:26,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:40:26,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:40:26,999 INFO L87 Difference]: Start difference. First operand 422 states and 554 transitions. Second operand has 9 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:27,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:27,971 INFO L93 Difference]: Finished difference Result 524 states and 689 transitions. [2024-11-09 11:40:27,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:40:27,971 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 82 [2024-11-09 11:40:27,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:27,973 INFO L225 Difference]: With dead ends: 524 [2024-11-09 11:40:27,973 INFO L226 Difference]: Without dead ends: 522 [2024-11-09 11:40:27,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:40:27,973 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 425 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:27,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 324 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 11:40:27,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-09 11:40:27,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 457. [2024-11-09 11:40:27,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 360 states have (on average 1.4416666666666667) internal successors, (519), 411 states have internal predecessors, (519), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-09 11:40:27,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 605 transitions. [2024-11-09 11:40:27,999 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 605 transitions. Word has length 82 [2024-11-09 11:40:27,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:27,999 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 605 transitions. [2024-11-09 11:40:27,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:27,999 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 605 transitions. [2024-11-09 11:40:28,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 11:40:28,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:28,000 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:28,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:28,201 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 [2024-11-09 11:40:28,201 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:28,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:28,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1172271981, now seen corresponding path program 1 times [2024-11-09 11:40:28,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:28,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590520374] [2024-11-09 11:40:28,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:28,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:28,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1242757406] [2024-11-09 11:40:28,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:28,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:28,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:28,225 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) [2024-11-09 11:40:28,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-09 11:40:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:28,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 11:40:28,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:28,918 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:40:28,919 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:29,853 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:40:29,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:29,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590520374] [2024-11-09 11:40:29,854 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:29,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242757406] [2024-11-09 11:40:29,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242757406] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:40:29,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:40:29,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 13 [2024-11-09 11:40:29,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429603656] [2024-11-09 11:40:29,855 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:29,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:40:29,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:29,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:40:29,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:40:29,856 INFO L87 Difference]: Start difference. First operand 457 states and 605 transitions. Second operand has 14 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-09 11:40:32,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:32,814 INFO L93 Difference]: Finished difference Result 578 states and 777 transitions. [2024-11-09 11:40:32,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 11:40:32,815 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) Word has length 83 [2024-11-09 11:40:32,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:32,817 INFO L225 Difference]: With dead ends: 578 [2024-11-09 11:40:32,817 INFO L226 Difference]: Without dead ends: 572 [2024-11-09 11:40:32,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=149, Invalid=357, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:40:32,818 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 809 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 1319 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 811 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 1415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:32,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [811 Valid, 277 Invalid, 1415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1319 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-09 11:40:32,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-11-09 11:40:32,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 530. [2024-11-09 11:40:32,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 429 states have (on average 1.4055944055944056) internal successors, (603), 479 states have internal predecessors, (603), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-09 11:40:32,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 699 transitions. [2024-11-09 11:40:32,851 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 699 transitions. Word has length 83 [2024-11-09 11:40:32,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:32,851 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 699 transitions. [2024-11-09 11:40:32,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-09 11:40:32,852 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 699 transitions. [2024-11-09 11:40:32,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 11:40:32,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:32,853 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] [2024-11-09 11:40:32,870 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-09 11:40:33,056 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 [2024-11-09 11:40:33,057 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:33,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:33,057 INFO L85 PathProgramCache]: Analyzing trace with hash 14248968, now seen corresponding path program 1 times [2024-11-09 11:40:33,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:33,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693691021] [2024-11-09 11:40:33,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:33,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:33,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1430671761] [2024-11-09 11:40:33,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:33,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:33,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:33,079 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) [2024-11-09 11:40:33,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-09 11:40:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:33,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 11:40:33,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:33,514 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-09 11:40:33,514 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:35,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:35,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693691021] [2024-11-09 11:40:35,028 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:35,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430671761] [2024-11-09 11:40:35,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430671761] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:35,029 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:35,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 11:40:35,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405684194] [2024-11-09 11:40:35,029 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:35,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:40:35,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:35,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:40:35,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=139, Unknown=1, NotChecked=0, Total=182 [2024-11-09 11:40:35,030 INFO L87 Difference]: Start difference. First operand 530 states and 699 transitions. Second operand has 10 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-09 11:40:35,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:35,842 INFO L93 Difference]: Finished difference Result 666 states and 893 transitions. [2024-11-09 11:40:35,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:40:35,843 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 90 [2024-11-09 11:40:35,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:35,845 INFO L225 Difference]: With dead ends: 666 [2024-11-09 11:40:35,845 INFO L226 Difference]: Without dead ends: 664 [2024-11-09 11:40:35,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=95, Invalid=246, Unknown=1, NotChecked=0, Total=342 [2024-11-09 11:40:35,845 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 446 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:35,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 336 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:40:35,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2024-11-09 11:40:35,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 633. [2024-11-09 11:40:35,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 633 states, 521 states have (on average 1.4299424184261036) internal successors, (745), 571 states have internal predecessors, (745), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-09 11:40:35,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 863 transitions. [2024-11-09 11:40:35,889 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 863 transitions. Word has length 90 [2024-11-09 11:40:35,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:35,889 INFO L471 AbstractCegarLoop]: Abstraction has 633 states and 863 transitions. [2024-11-09 11:40:35,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-09 11:40:35,890 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 863 transitions. [2024-11-09 11:40:35,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-09 11:40:35,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:35,890 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] [2024-11-09 11:40:35,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-09 11:40:36,094 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 [2024-11-09 11:40:36,095 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:36,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:36,095 INFO L85 PathProgramCache]: Analyzing trace with hash 441718085, now seen corresponding path program 1 times [2024-11-09 11:40:36,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:36,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917071793] [2024-11-09 11:40:36,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:36,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:36,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1877554895] [2024-11-09 11:40:36,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:36,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:36,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:36,109 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) [2024-11-09 11:40:36,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-09 11:40:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:36,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 11:40:36,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:36,520 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-09 11:40:36,521 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:38,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:38,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917071793] [2024-11-09 11:40:38,336 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:38,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877554895] [2024-11-09 11:40:38,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877554895] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:38,336 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:38,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 11:40:38,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460869976] [2024-11-09 11:40:38,336 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:38,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:40:38,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:38,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:40:38,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=138, Unknown=1, NotChecked=0, Total=182 [2024-11-09 11:40:38,337 INFO L87 Difference]: Start difference. First operand 633 states and 863 transitions. Second operand has 10 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-09 11:40:39,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:39,143 INFO L93 Difference]: Finished difference Result 668 states and 896 transitions. [2024-11-09 11:40:39,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 11:40:39,144 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 91 [2024-11-09 11:40:39,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:39,146 INFO L225 Difference]: With dead ends: 668 [2024-11-09 11:40:39,146 INFO L226 Difference]: Without dead ends: 661 [2024-11-09 11:40:39,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=162, Invalid=389, Unknown=1, NotChecked=0, Total=552 [2024-11-09 11:40:39,146 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 438 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 1098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:39,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 309 Invalid, 1098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:40:39,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-11-09 11:40:39,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 627. [2024-11-09 11:40:39,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 521 states have (on average 1.3973128598848368) internal successors, (728), 565 states have internal predecessors, (728), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-09 11:40:39,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 846 transitions. [2024-11-09 11:40:39,189 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 846 transitions. Word has length 91 [2024-11-09 11:40:39,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:39,189 INFO L471 AbstractCegarLoop]: Abstraction has 627 states and 846 transitions. [2024-11-09 11:40:39,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-09 11:40:39,189 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 846 transitions. [2024-11-09 11:40:39,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 11:40:39,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:39,190 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] [2024-11-09 11:40:39,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:39,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:39,395 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:39,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:39,395 INFO L85 PathProgramCache]: Analyzing trace with hash 808358826, now seen corresponding path program 1 times [2024-11-09 11:40:39,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:39,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703726206] [2024-11-09 11:40:39,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:39,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:39,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1309184877] [2024-11-09 11:40:39,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:39,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:39,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:39,411 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) [2024-11-09 11:40:39,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-09 11:40:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:39,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:40:39,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:39,729 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-09 11:40:39,730 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:39,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:39,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703726206] [2024-11-09 11:40:39,831 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:39,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309184877] [2024-11-09 11:40:39,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309184877] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:39,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:39,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-09 11:40:39,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504367324] [2024-11-09 11:40:39,832 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:39,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:40:39,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:39,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:40:39,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:40:39,833 INFO L87 Difference]: Start difference. First operand 627 states and 846 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-09 11:40:40,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:40,128 INFO L93 Difference]: Finished difference Result 627 states and 846 transitions. [2024-11-09 11:40:40,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:40:40,128 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 92 [2024-11-09 11:40:40,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:40,130 INFO L225 Difference]: With dead ends: 627 [2024-11-09 11:40:40,130 INFO L226 Difference]: Without dead ends: 621 [2024-11-09 11:40:40,131 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:40:40,131 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 97 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:40,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 186 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:40:40,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2024-11-09 11:40:40,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 546. [2024-11-09 11:40:40,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 453 states have (on average 1.3311258278145695) internal successors, (603), 491 states have internal predecessors, (603), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-09 11:40:40,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 707 transitions. [2024-11-09 11:40:40,168 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 707 transitions. Word has length 92 [2024-11-09 11:40:40,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:40,169 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 707 transitions. [2024-11-09 11:40:40,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-09 11:40:40,169 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 707 transitions. [2024-11-09 11:40:40,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 11:40:40,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:40,170 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] [2024-11-09 11:40:40,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:40,370 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,SelfDestructingSolverStorable30 [2024-11-09 11:40:40,370 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:40,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:40,371 INFO L85 PathProgramCache]: Analyzing trace with hash -710680089, now seen corresponding path program 1 times [2024-11-09 11:40:40,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:40,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663534013] [2024-11-09 11:40:40,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:40,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:40,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1092810575] [2024-11-09 11:40:40,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:40,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:40,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:40,386 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) [2024-11-09 11:40:40,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-09 11:40:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:40,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:40:40,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:40,660 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-09 11:40:40,660 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:41,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:41,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663534013] [2024-11-09 11:40:41,238 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:41,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092810575] [2024-11-09 11:40:41,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092810575] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:41,238 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:41,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-09 11:40:41,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14085645] [2024-11-09 11:40:41,238 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:41,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:40:41,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:41,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:40:41,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:40:41,239 INFO L87 Difference]: Start difference. First operand 546 states and 707 transitions. Second operand has 7 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-09 11:40:41,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:41,806 INFO L93 Difference]: Finished difference Result 651 states and 850 transitions. [2024-11-09 11:40:41,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:40:41,806 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 93 [2024-11-09 11:40:41,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:41,808 INFO L225 Difference]: With dead ends: 651 [2024-11-09 11:40:41,809 INFO L226 Difference]: Without dead ends: 649 [2024-11-09 11:40:41,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:40:41,810 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 219 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:41,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 304 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:40:41,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2024-11-09 11:40:41,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 601. [2024-11-09 11:40:41,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 502 states have (on average 1.3565737051792828) internal successors, (681), 540 states have internal predecessors, (681), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-09 11:40:41,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 797 transitions. [2024-11-09 11:40:41,852 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 797 transitions. Word has length 93 [2024-11-09 11:40:41,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:41,852 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 797 transitions. [2024-11-09 11:40:41,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-09 11:40:41,852 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 797 transitions. [2024-11-09 11:40:41,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-09 11:40:41,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:41,853 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:41,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:42,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:42,054 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:42,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:42,054 INFO L85 PathProgramCache]: Analyzing trace with hash -556246196, now seen corresponding path program 1 times [2024-11-09 11:40:42,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:42,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95324408] [2024-11-09 11:40:42,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:42,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:42,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [445696310] [2024-11-09 11:40:42,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:42,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:42,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:42,066 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) [2024-11-09 11:40:42,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-09 11:40:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:42,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 11:40:42,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:42,554 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:40:42,555 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:43,657 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:40:43,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:43,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95324408] [2024-11-09 11:40:43,657 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:43,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445696310] [2024-11-09 11:40:43,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445696310] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:40:43,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:40:43,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-09 11:40:43,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593138830] [2024-11-09 11:40:43,658 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:43,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:40:43,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:43,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:40:43,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:40:43,659 INFO L87 Difference]: Start difference. First operand 601 states and 797 transitions. Second operand has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 12 states have internal predecessors, (101), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-09 11:40:47,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:47,165 INFO L93 Difference]: Finished difference Result 676 states and 897 transitions. [2024-11-09 11:40:47,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 11:40:47,166 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 12 states have internal predecessors, (101), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 94 [2024-11-09 11:40:47,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:47,168 INFO L225 Difference]: With dead ends: 676 [2024-11-09 11:40:47,168 INFO L226 Difference]: Without dead ends: 645 [2024-11-09 11:40:47,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2024-11-09 11:40:47,169 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 650 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 868 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:47,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 218 Invalid, 957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 868 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-09 11:40:47,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2024-11-09 11:40:47,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 624. [2024-11-09 11:40:47,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 525 states have (on average 1.361904761904762) internal successors, (715), 562 states have internal predecessors, (715), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-09 11:40:47,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 833 transitions. [2024-11-09 11:40:47,220 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 833 transitions. Word has length 94 [2024-11-09 11:40:47,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:47,222 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 833 transitions. [2024-11-09 11:40:47,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 12 states have internal predecessors, (101), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-09 11:40:47,222 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 833 transitions. [2024-11-09 11:40:47,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 11:40:47,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:47,225 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:47,242 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:47,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:47,426 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:47,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:47,427 INFO L85 PathProgramCache]: Analyzing trace with hash -63762807, now seen corresponding path program 1 times [2024-11-09 11:40:47,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:47,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075915119] [2024-11-09 11:40:47,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:47,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:47,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1796096658] [2024-11-09 11:40:47,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:47,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:47,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:47,441 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) [2024-11-09 11:40:47,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-09 11:40:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:47,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 11:40:47,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:48,127 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 6 proven. 39 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:40:48,127 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:49,138 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 6 proven. 39 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:40:49,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:49,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075915119] [2024-11-09 11:40:49,138 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:49,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796096658] [2024-11-09 11:40:49,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796096658] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:40:49,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:40:49,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 18 [2024-11-09 11:40:49,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363933412] [2024-11-09 11:40:49,139 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:49,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-09 11:40:49,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:49,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-09 11:40:49,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:40:49,140 INFO L87 Difference]: Start difference. First operand 624 states and 833 transitions. Second operand has 19 states, 16 states have (on average 7.0625) internal successors, (113), 15 states have internal predecessors, (113), 10 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (17), 9 states have call predecessors, (17), 10 states have call successors, (17) [2024-11-09 11:40:55,549 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 [] [2024-11-09 11:40:59,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:59,128 INFO L93 Difference]: Finished difference Result 782 states and 1063 transitions. [2024-11-09 11:40:59,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 11:40:59,128 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 7.0625) internal successors, (113), 15 states have internal predecessors, (113), 10 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (17), 9 states have call predecessors, (17), 10 states have call successors, (17) Word has length 95 [2024-11-09 11:40:59,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:59,130 INFO L225 Difference]: With dead ends: 782 [2024-11-09 11:40:59,130 INFO L226 Difference]: Without dead ends: 780 [2024-11-09 11:40:59,131 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=181, Invalid=575, Unknown=0, NotChecked=0, Total=756 [2024-11-09 11:40:59,131 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 998 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 1584 mSolverCounterSat, 94 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1004 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 1679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1584 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:59,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1004 Valid, 396 Invalid, 1679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1584 Invalid, 1 Unknown, 0 Unchecked, 9.5s Time] [2024-11-09 11:40:59,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2024-11-09 11:40:59,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 693. [2024-11-09 11:40:59,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 589 states have (on average 1.3769100169779287) internal successors, (811), 625 states have internal predecessors, (811), 65 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-09 11:40:59,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 941 transitions. [2024-11-09 11:40:59,177 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 941 transitions. Word has length 95 [2024-11-09 11:40:59,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:59,177 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 941 transitions. [2024-11-09 11:40:59,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 7.0625) internal successors, (113), 15 states have internal predecessors, (113), 10 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (17), 9 states have call predecessors, (17), 10 states have call successors, (17) [2024-11-09 11:40:59,178 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 941 transitions. [2024-11-09 11:40:59,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 11:40:59,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:59,178 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] [2024-11-09 11:40:59,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:59,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:59,379 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:40:59,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:59,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1880695820, now seen corresponding path program 1 times [2024-11-09 11:40:59,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:59,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27647774] [2024-11-09 11:40:59,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:59,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:59,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:59,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:40:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:59,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:40:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:59,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:40:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:59,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:40:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:59,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:40:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:59,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:59,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 11:40:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:59,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 11:40:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:59,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 11:40:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:59,498 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:40:59,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:59,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27647774] [2024-11-09 11:40:59,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27647774] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:59,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275094414] [2024-11-09 11:40:59,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:59,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:59,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:59,500 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) [2024-11-09 11:40:59,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-09 11:40:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:59,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:40:59,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:59,709 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:40:59,710 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:59,861 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:40:59,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275094414] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:40:59,861 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:40:59,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-09 11:40:59,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891737270] [2024-11-09 11:40:59,862 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:59,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:40:59,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:59,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:40:59,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:40:59,863 INFO L87 Difference]: Start difference. First operand 693 states and 941 transitions. Second operand has 14 states, 13 states have (on average 12.76923076923077) internal successors, (166), 14 states have internal predecessors, (166), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-09 11:41:00,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:00,949 INFO L93 Difference]: Finished difference Result 1027 states and 1379 transitions. [2024-11-09 11:41:00,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-09 11:41:00,949 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.76923076923077) internal successors, (166), 14 states have internal predecessors, (166), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 104 [2024-11-09 11:41:00,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:00,953 INFO L225 Difference]: With dead ends: 1027 [2024-11-09 11:41:00,953 INFO L226 Difference]: Without dead ends: 1026 [2024-11-09 11:41:00,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 574 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=572, Invalid=1498, Unknown=0, NotChecked=0, Total=2070 [2024-11-09 11:41:00,955 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 1117 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1117 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:00,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1117 Valid, 607 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:41:00,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2024-11-09 11:41:01,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 804. [2024-11-09 11:41:01,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 688 states have (on average 1.4026162790697674) internal successors, (965), 724 states have internal predecessors, (965), 77 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-09 11:41:01,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1119 transitions. [2024-11-09 11:41:01,039 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1119 transitions. Word has length 104 [2024-11-09 11:41:01,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:01,040 INFO L471 AbstractCegarLoop]: Abstraction has 804 states and 1119 transitions. [2024-11-09 11:41:01,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.76923076923077) internal successors, (166), 14 states have internal predecessors, (166), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-09 11:41:01,040 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1119 transitions. [2024-11-09 11:41:01,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 11:41:01,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:01,041 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] [2024-11-09 11:41:01,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:01,241 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,SelfDestructingSolverStorable34 [2024-11-09 11:41:01,241 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:01,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:01,242 INFO L85 PathProgramCache]: Analyzing trace with hash -245279220, now seen corresponding path program 1 times [2024-11-09 11:41:01,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:01,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218372285] [2024-11-09 11:41:01,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:01,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:01,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:01,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:41:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:01,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:41:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:01,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:41:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:01,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:41:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:01,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:41:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:01,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:41:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:01,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 11:41:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:01,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 11:41:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:01,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 11:41:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:01,359 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:41:01,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:01,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218372285] [2024-11-09 11:41:01,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218372285] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:01,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565884538] [2024-11-09 11:41:01,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:01,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:01,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:01,362 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) [2024-11-09 11:41:01,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-09 11:41:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:01,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:41:01,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:01,617 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:41:01,617 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:01,785 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:41:01,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565884538] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:41:01,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:41:01,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-09 11:41:01,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769367936] [2024-11-09 11:41:01,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:01,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:41:01,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:01,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:41:01,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:41:01,787 INFO L87 Difference]: Start difference. First operand 804 states and 1119 transitions. Second operand has 13 states, 12 states have (on average 13.75) internal successors, (165), 13 states have internal predecessors, (165), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-09 11:41:03,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:03,170 INFO L93 Difference]: Finished difference Result 1328 states and 1812 transitions. [2024-11-09 11:41:03,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-09 11:41:03,170 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.75) internal successors, (165), 13 states have internal predecessors, (165), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) Word has length 104 [2024-11-09 11:41:03,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:03,174 INFO L225 Difference]: With dead ends: 1328 [2024-11-09 11:41:03,174 INFO L226 Difference]: Without dead ends: 1327 [2024-11-09 11:41:03,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 11:41:03,175 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 710 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 713 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:03,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [713 Valid, 589 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 11:41:03,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2024-11-09 11:41:03,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 1023. [2024-11-09 11:41:03,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1023 states, 886 states have (on average 1.4345372460496615) internal successors, (1271), 922 states have internal predecessors, (1271), 98 states have call successors, (98), 2 states have call predecessors, (98), 2 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-09 11:41:03,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1467 transitions. [2024-11-09 11:41:03,247 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1467 transitions. Word has length 104 [2024-11-09 11:41:03,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:03,248 INFO L471 AbstractCegarLoop]: Abstraction has 1023 states and 1467 transitions. [2024-11-09 11:41:03,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.75) internal successors, (165), 13 states have internal predecessors, (165), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-09 11:41:03,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1467 transitions. [2024-11-09 11:41:03,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 11:41:03,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:03,249 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:03,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:03,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-09 11:41:03,450 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:03,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:03,450 INFO L85 PathProgramCache]: Analyzing trace with hash 986709848, now seen corresponding path program 1 times [2024-11-09 11:41:03,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:03,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421277616] [2024-11-09 11:41:03,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:03,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:03,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:03,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:41:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:03,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:41:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:03,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:41:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:03,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:41:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:03,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:41:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:03,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:41:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:03,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 11:41:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:03,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 11:41:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:03,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 11:41:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:03,552 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:41:03,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:03,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421277616] [2024-11-09 11:41:03,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421277616] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:03,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134492259] [2024-11-09 11:41:03,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:03,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:03,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:03,555 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) [2024-11-09 11:41:03,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-09 11:41:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:03,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:03,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:03,765 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:41:03,766 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:03,887 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:41:03,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134492259] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:41:03,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:41:03,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-09 11:41:03,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798275555] [2024-11-09 11:41:03,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:03,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:41:03,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:03,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:41:03,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:03,889 INFO L87 Difference]: Start difference. First operand 1023 states and 1467 transitions. Second operand has 8 states, 7 states have (on average 23.571428571428573) internal successors, (165), 8 states have internal predecessors, (165), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-09 11:41:04,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:04,697 INFO L93 Difference]: Finished difference Result 1568 states and 2255 transitions. [2024-11-09 11:41:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:41:04,697 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 23.571428571428573) internal successors, (165), 8 states have internal predecessors, (165), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 105 [2024-11-09 11:41:04,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:04,702 INFO L225 Difference]: With dead ends: 1568 [2024-11-09 11:41:04,702 INFO L226 Difference]: Without dead ends: 1566 [2024-11-09 11:41:04,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:41:04,703 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 218 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:04,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 342 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:41:04,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1566 states. [2024-11-09 11:41:04,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1566 to 1298. [2024-11-09 11:41:04,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1298 states, 1134 states have (on average 1.4462081128747795) internal successors, (1640), 1170 states have internal predecessors, (1640), 125 states have call successors, (125), 2 states have call predecessors, (125), 2 states have return successors, (125), 125 states have call predecessors, (125), 125 states have call successors, (125) [2024-11-09 11:41:04,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1298 states and 1890 transitions. [2024-11-09 11:41:04,800 INFO L78 Accepts]: Start accepts. Automaton has 1298 states and 1890 transitions. Word has length 105 [2024-11-09 11:41:04,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:04,801 INFO L471 AbstractCegarLoop]: Abstraction has 1298 states and 1890 transitions. [2024-11-09 11:41:04,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 23.571428571428573) internal successors, (165), 8 states have internal predecessors, (165), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-09 11:41:04,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1890 transitions. [2024-11-09 11:41:04,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 11:41:04,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:04,802 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:04,818 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-09 11:41:05,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:05,003 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:05,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:05,003 INFO L85 PathProgramCache]: Analyzing trace with hash -453257816, now seen corresponding path program 1 times [2024-11-09 11:41:05,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:05,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526323698] [2024-11-09 11:41:05,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:05,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:05,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:05,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:41:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:05,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:41:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:05,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:41:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:05,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:41:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:05,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:41:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:05,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:41:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:05,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 11:41:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:05,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 11:41:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:05,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 11:41:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:05,112 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:41:05,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:05,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526323698] [2024-11-09 11:41:05,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526323698] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:05,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999654737] [2024-11-09 11:41:05,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:05,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:05,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:05,115 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) [2024-11-09 11:41:05,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-09 11:41:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:05,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:05,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:05,318 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:41:05,318 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:05,433 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:41:05,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999654737] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:41:05,433 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:41:05,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-09 11:41:05,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888040436] [2024-11-09 11:41:05,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:05,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:41:05,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:05,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:41:05,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:05,434 INFO L87 Difference]: Start difference. First operand 1298 states and 1890 transitions. Second operand has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-09 11:41:06,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:06,171 INFO L93 Difference]: Finished difference Result 1840 states and 2687 transitions. [2024-11-09 11:41:06,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:41:06,172 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 107 [2024-11-09 11:41:06,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:06,177 INFO L225 Difference]: With dead ends: 1840 [2024-11-09 11:41:06,177 INFO L226 Difference]: Without dead ends: 1838 [2024-11-09 11:41:06,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:41:06,177 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 221 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:06,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 347 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:41:06,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2024-11-09 11:41:06,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1491. [2024-11-09 11:41:06,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1491 states, 1308 states have (on average 1.4418960244648318) internal successors, (1886), 1344 states have internal predecessors, (1886), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-09 11:41:06,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 2174 transitions. [2024-11-09 11:41:06,307 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 2174 transitions. Word has length 107 [2024-11-09 11:41:06,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:06,307 INFO L471 AbstractCegarLoop]: Abstraction has 1491 states and 2174 transitions. [2024-11-09 11:41:06,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-09 11:41:06,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 2174 transitions. [2024-11-09 11:41:06,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-09 11:41:06,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:06,308 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:06,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-09 11:41:06,509 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,SelfDestructingSolverStorable37 [2024-11-09 11:41:06,509 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:06,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:06,509 INFO L85 PathProgramCache]: Analyzing trace with hash -577014670, now seen corresponding path program 1 times [2024-11-09 11:41:06,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:06,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959008951] [2024-11-09 11:41:06,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:06,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:06,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1500144908] [2024-11-09 11:41:06,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:06,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:06,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:06,540 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) [2024-11-09 11:41:06,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-09 11:41:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:06,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:41:06,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:06,914 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:41:06,914 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:06,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:06,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959008951] [2024-11-09 11:41:06,980 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:06,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500144908] [2024-11-09 11:41:06,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500144908] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:06,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:06,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 11:41:06,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532826721] [2024-11-09 11:41:06,981 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:06,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:41:06,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:06,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:41:06,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:06,982 INFO L87 Difference]: Start difference. First operand 1491 states and 2174 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:41:07,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:07,538 INFO L93 Difference]: Finished difference Result 1577 states and 2284 transitions. [2024-11-09 11:41:07,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:41:07,538 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 110 [2024-11-09 11:41:07,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:07,542 INFO L225 Difference]: With dead ends: 1577 [2024-11-09 11:41:07,542 INFO L226 Difference]: Without dead ends: 1573 [2024-11-09 11:41:07,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:41:07,543 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 195 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:07,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 230 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:41:07,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2024-11-09 11:41:07,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1487. [2024-11-09 11:41:07,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1487 states, 1308 states have (on average 1.3868501529051989) internal successors, (1814), 1340 states have internal predecessors, (1814), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-09 11:41:07,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1487 states and 2102 transitions. [2024-11-09 11:41:07,641 INFO L78 Accepts]: Start accepts. Automaton has 1487 states and 2102 transitions. Word has length 110 [2024-11-09 11:41:07,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:07,641 INFO L471 AbstractCegarLoop]: Abstraction has 1487 states and 2102 transitions. [2024-11-09 11:41:07,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:41:07,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 2102 transitions. [2024-11-09 11:41:07,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 11:41:07,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:07,642 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:07,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-09 11:41:07,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-09 11:41:07,843 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:07,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:07,844 INFO L85 PathProgramCache]: Analyzing trace with hash -707585535, now seen corresponding path program 1 times [2024-11-09 11:41:07,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:07,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122759019] [2024-11-09 11:41:07,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:07,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:07,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [853126857] [2024-11-09 11:41:07,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:07,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:07,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:07,870 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) [2024-11-09 11:41:07,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-09 11:41:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:07,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:41:07,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:08,184 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:41:08,185 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:08,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:08,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122759019] [2024-11-09 11:41:08,594 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:08,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853126857] [2024-11-09 11:41:08,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853126857] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:08,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:08,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 11:41:08,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175136092] [2024-11-09 11:41:08,594 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:08,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:41:08,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:08,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:41:08,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:08,595 INFO L87 Difference]: Start difference. First operand 1487 states and 2102 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:41:09,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:09,271 INFO L93 Difference]: Finished difference Result 1548 states and 2178 transitions. [2024-11-09 11:41:09,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:41:09,272 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 111 [2024-11-09 11:41:09,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:09,276 INFO L225 Difference]: With dead ends: 1548 [2024-11-09 11:41:09,276 INFO L226 Difference]: Without dead ends: 1546 [2024-11-09 11:41:09,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:09,277 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 99 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:09,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 186 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:41:09,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2024-11-09 11:41:09,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1503. [2024-11-09 11:41:09,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1503 states, 1322 states have (on average 1.384266263237519) internal successors, (1830), 1354 states have internal predecessors, (1830), 146 states have call successors, (146), 2 states have call predecessors, (146), 2 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-09 11:41:09,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 2122 transitions. [2024-11-09 11:41:09,402 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 2122 transitions. Word has length 111 [2024-11-09 11:41:09,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:09,402 INFO L471 AbstractCegarLoop]: Abstraction has 1503 states and 2122 transitions. [2024-11-09 11:41:09,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:41:09,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 2122 transitions. [2024-11-09 11:41:09,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 11:41:09,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:09,403 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:09,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:09,604 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,SelfDestructingSolverStorable39 [2024-11-09 11:41:09,604 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:09,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:09,605 INFO L85 PathProgramCache]: Analyzing trace with hash -788010111, now seen corresponding path program 2 times [2024-11-09 11:41:09,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:09,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82353825] [2024-11-09 11:41:09,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:09,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:09,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [847678462] [2024-11-09 11:41:09,620 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:41:09,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:09,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:09,622 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) [2024-11-09 11:41:09,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-09 11:41:09,678 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:41:09,678 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:41:09,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:41:09,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:09,959 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:41:09,959 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:10,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:10,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82353825] [2024-11-09 11:41:10,256 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:10,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847678462] [2024-11-09 11:41:10,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847678462] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:10,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:10,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 11:41:10,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98118589] [2024-11-09 11:41:10,256 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:10,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:41:10,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:10,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:41:10,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:10,257 INFO L87 Difference]: Start difference. First operand 1503 states and 2122 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:41:10,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:10,772 INFO L93 Difference]: Finished difference Result 1561 states and 2193 transitions. [2024-11-09 11:41:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:41:10,773 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 111 [2024-11-09 11:41:10,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:10,778 INFO L225 Difference]: With dead ends: 1561 [2024-11-09 11:41:10,778 INFO L226 Difference]: Without dead ends: 1557 [2024-11-09 11:41:10,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:10,779 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 121 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:10,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 225 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:41:10,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1557 states. [2024-11-09 11:41:10,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1557 to 1511. [2024-11-09 11:41:10,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1511 states, 1329 states have (on average 1.3852520692249812) internal successors, (1841), 1361 states have internal predecessors, (1841), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-09 11:41:10,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1511 states and 2135 transitions. [2024-11-09 11:41:10,905 INFO L78 Accepts]: Start accepts. Automaton has 1511 states and 2135 transitions. Word has length 111 [2024-11-09 11:41:10,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:10,906 INFO L471 AbstractCegarLoop]: Abstraction has 1511 states and 2135 transitions. [2024-11-09 11:41:10,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:41:10,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 2135 transitions. [2024-11-09 11:41:10,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 11:41:10,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:10,907 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:10,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-09 11:41:11,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:11,108 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:11,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:11,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1384864669, now seen corresponding path program 1 times [2024-11-09 11:41:11,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:11,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73755102] [2024-11-09 11:41:11,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:11,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:11,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [780452111] [2024-11-09 11:41:11,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:11,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:11,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:11,138 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) [2024-11-09 11:41:11,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-09 11:41:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:11,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:41:11,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:11,472 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:41:11,472 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:13,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:13,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73755102] [2024-11-09 11:41:13,280 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:13,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780452111] [2024-11-09 11:41:13,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780452111] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:13,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:13,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 11:41:13,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139986597] [2024-11-09 11:41:13,281 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:13,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:41:13,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:13,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:41:13,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2024-11-09 11:41:13,281 INFO L87 Difference]: Start difference. First operand 1511 states and 2135 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:41:13,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:13,853 INFO L93 Difference]: Finished difference Result 1548 states and 2181 transitions. [2024-11-09 11:41:13,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:41:13,853 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 113 [2024-11-09 11:41:13,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:13,858 INFO L225 Difference]: With dead ends: 1548 [2024-11-09 11:41:13,858 INFO L226 Difference]: Without dead ends: 1546 [2024-11-09 11:41:13,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2024-11-09 11:41:13,859 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 121 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:13,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 217 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:41:13,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2024-11-09 11:41:13,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1511. [2024-11-09 11:41:13,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1511 states, 1329 states have (on average 1.3837471783295712) internal successors, (1839), 1361 states have internal predecessors, (1839), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-09 11:41:13,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1511 states and 2133 transitions. [2024-11-09 11:41:13,956 INFO L78 Accepts]: Start accepts. Automaton has 1511 states and 2133 transitions. Word has length 113 [2024-11-09 11:41:13,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:13,956 INFO L471 AbstractCegarLoop]: Abstraction has 1511 states and 2133 transitions. [2024-11-09 11:41:13,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:41:13,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 2133 transitions. [2024-11-09 11:41:13,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 11:41:13,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:13,956 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:13,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:14,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:14,157 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:14,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:14,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1363470877, now seen corresponding path program 2 times [2024-11-09 11:41:14,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:14,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666723967] [2024-11-09 11:41:14,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:14,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:14,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [512314273] [2024-11-09 11:41:14,170 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:41:14,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:14,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:14,175 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) [2024-11-09 11:41:14,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-09 11:41:14,236 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:41:14,236 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:41:14,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:41:14,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:14,544 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:41:14,544 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:14,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:14,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666723967] [2024-11-09 11:41:14,768 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:14,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512314273] [2024-11-09 11:41:14,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512314273] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:14,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:14,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 11:41:14,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374015344] [2024-11-09 11:41:14,768 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:14,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:41:14,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:14,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:41:14,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:41:14,769 INFO L87 Difference]: Start difference. First operand 1511 states and 2133 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:41:15,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:15,321 INFO L93 Difference]: Finished difference Result 1546 states and 2173 transitions. [2024-11-09 11:41:15,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:41:15,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 113 [2024-11-09 11:41:15,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:15,329 INFO L225 Difference]: With dead ends: 1546 [2024-11-09 11:41:15,329 INFO L226 Difference]: Without dead ends: 1544 [2024-11-09 11:41:15,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:41:15,330 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 119 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:15,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 219 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:41:15,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2024-11-09 11:41:15,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1511. [2024-11-09 11:41:15,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1511 states, 1329 states have (on average 1.382242287434161) internal successors, (1837), 1361 states have internal predecessors, (1837), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-09 11:41:15,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1511 states and 2131 transitions. [2024-11-09 11:41:15,433 INFO L78 Accepts]: Start accepts. Automaton has 1511 states and 2131 transitions. Word has length 113 [2024-11-09 11:41:15,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:15,433 INFO L471 AbstractCegarLoop]: Abstraction has 1511 states and 2131 transitions. [2024-11-09 11:41:15,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:41:15,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 2131 transitions. [2024-11-09 11:41:15,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 11:41:15,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:15,434 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:15,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-11-09 11:41:15,635 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,SelfDestructingSolverStorable42 [2024-11-09 11:41:15,635 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:15,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:15,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1559185545, now seen corresponding path program 1 times [2024-11-09 11:41:15,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:15,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433185541] [2024-11-09 11:41:15,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:15,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:15,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:15,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:41:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:15,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:41:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:15,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:41:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:15,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:41:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:15,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:41:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:15,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:41:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:15,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 11:41:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:15,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 11:41:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:15,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 11:41:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:15,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 11:41:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:15,770 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-09 11:41:15,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:15,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433185541] [2024-11-09 11:41:15,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433185541] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:15,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150072291] [2024-11-09 11:41:15,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:15,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:15,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:15,773 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) [2024-11-09 11:41:15,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-09 11:41:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:15,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:41:15,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:15,867 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-09 11:41:15,867 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:15,973 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-09 11:41:15,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150072291] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:41:15,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:41:15,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-11-09 11:41:15,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781489550] [2024-11-09 11:41:15,973 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:15,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:41:15,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:15,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:41:15,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:41:15,975 INFO L87 Difference]: Start difference. First operand 1511 states and 2131 transitions. Second operand has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 10 states have internal predecessors, (77), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-09 11:41:17,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:17,161 INFO L93 Difference]: Finished difference Result 1513 states and 2133 transitions. [2024-11-09 11:41:17,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:41:17,161 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 10 states have internal predecessors, (77), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) Word has length 115 [2024-11-09 11:41:17,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:17,166 INFO L225 Difference]: With dead ends: 1513 [2024-11-09 11:41:17,166 INFO L226 Difference]: Without dead ends: 1512 [2024-11-09 11:41:17,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:41:17,167 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 94 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:17,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 181 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 11:41:17,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2024-11-09 11:41:17,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 1510. [2024-11-09 11:41:17,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 1329 states have (on average 1.3777276147479307) internal successors, (1831), 1360 states have internal predecessors, (1831), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-09 11:41:17,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 2125 transitions. [2024-11-09 11:41:17,288 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 2125 transitions. Word has length 115 [2024-11-09 11:41:17,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:17,289 INFO L471 AbstractCegarLoop]: Abstraction has 1510 states and 2125 transitions. [2024-11-09 11:41:17,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 10 states have internal predecessors, (77), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-09 11:41:17,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 2125 transitions. [2024-11-09 11:41:17,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 11:41:17,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:17,290 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:17,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:17,494 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,SelfDestructingSolverStorable43 [2024-11-09 11:41:17,495 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:17,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:17,495 INFO L85 PathProgramCache]: Analyzing trace with hash 18868278, now seen corresponding path program 1 times [2024-11-09 11:41:17,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:17,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765492732] [2024-11-09 11:41:17,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:17,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:17,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1408704803] [2024-11-09 11:41:17,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:17,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:17,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:17,513 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) [2024-11-09 11:41:17,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-09 11:41:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:17,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 11:41:17,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:17,945 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 11:41:17,945 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:18,550 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-09 11:41:18,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:18,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765492732] [2024-11-09 11:41:18,550 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:18,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408704803] [2024-11-09 11:41:18,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408704803] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:18,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:18,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-09 11:41:18,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222334528] [2024-11-09 11:41:18,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:18,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:41:18,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:18,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:41:18,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:41:18,551 INFO L87 Difference]: Start difference. First operand 1510 states and 2125 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:21,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:21,341 INFO L93 Difference]: Finished difference Result 1510 states and 2125 transitions. [2024-11-09 11:41:21,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:41:21,342 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 114 [2024-11-09 11:41:21,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:21,345 INFO L225 Difference]: With dead ends: 1510 [2024-11-09 11:41:21,345 INFO L226 Difference]: Without dead ends: 1509 [2024-11-09 11:41:21,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 217 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:41:21,347 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 84 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:21,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 135 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-09 11:41:21,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1509 states. [2024-11-09 11:41:21,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1509 to 1509. [2024-11-09 11:41:21,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1509 states, 1329 states have (on average 1.3528969149736645) internal successors, (1798), 1359 states have internal predecessors, (1798), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-09 11:41:21,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 2092 transitions. [2024-11-09 11:41:21,454 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 2092 transitions. Word has length 114 [2024-11-09 11:41:21,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:21,454 INFO L471 AbstractCegarLoop]: Abstraction has 1509 states and 2092 transitions. [2024-11-09 11:41:21,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:21,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 2092 transitions. [2024-11-09 11:41:21,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-09 11:41:21,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:21,455 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:21,472 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-09 11:41:21,656 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,SelfDestructingSolverStorable44 [2024-11-09 11:41:21,657 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-09 11:41:21,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:21,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1090111494, now seen corresponding path program 1 times [2024-11-09 11:41:21,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:21,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034044450] [2024-11-09 11:41:21,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:21,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:41:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:41:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:41:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:41:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 11:41:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:41:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 11:41:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 11:41:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 11:41:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 11:41:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,744 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-09 11:41:21,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:21,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034044450] [2024-11-09 11:41:21,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034044450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:21,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:21,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:41:21,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191326098] [2024-11-09 11:41:21,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:21,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:41:21,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:21,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:41:21,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:41:21,746 INFO L87 Difference]: Start difference. First operand 1509 states and 2092 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11)