./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/egcd.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc 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/egcd.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 01ca8c8e30ceefcd4f6e4832a31edd1224d925e8551df750bd60cc922035a838 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:26:47,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:26:47,879 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:26:47,883 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:26:47,884 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:26:47,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:26:47,907 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:26:47,907 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:26:47,907 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:26:47,908 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:26:47,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:26:47,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:26:47,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:26:47,913 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:26:47,913 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:26:47,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:26:47,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:26:47,918 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:26:47,919 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:26:47,919 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:26:47,919 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:26:47,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:26:47,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:26:47,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:26:47,921 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:26:47,921 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:26:47,922 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:26:47,922 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:26:47,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:26:47,923 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:26:47,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:26:47,923 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:26:47,924 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:26:47,924 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:26:47,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:26:47,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:26:47,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:26:47,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:26:47,926 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:26:47,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:26:47,926 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:26:47,927 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:26:47,927 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:26:47,927 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:26:47,927 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01ca8c8e30ceefcd4f6e4832a31edd1224d925e8551df750bd60cc922035a838 [2024-11-19 10:26:48,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:26:48,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:26:48,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:26:48,195 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:26:48,195 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:26:48,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/egcd.c [2024-11-19 10:26:49,612 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:26:49,798 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:26:49,799 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/egcd.c [2024-11-19 10:26:49,805 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7c440b83/561445bd3b3e4eef8d132329fbf19bb4/FLAGf1f20581a [2024-11-19 10:26:49,820 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7c440b83/561445bd3b3e4eef8d132329fbf19bb4 [2024-11-19 10:26:49,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:26:49,824 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:26:49,825 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:26:49,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:26:49,831 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:26:49,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:26:49" (1/1) ... [2024-11-19 10:26:49,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de20fcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:49, skipping insertion in model container [2024-11-19 10:26:49,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:26:49" (1/1) ... [2024-11-19 10:26:49,857 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:26:50,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:26:50,119 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:26:50,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:26:50,159 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:26:50,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:50 WrapperNode [2024-11-19 10:26:50,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:26:50,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:26:50,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:26:50,162 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:26:50,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:50" (1/1) ... [2024-11-19 10:26:50,177 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:50" (1/1) ... [2024-11-19 10:26:50,201 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 124 [2024-11-19 10:26:50,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:26:50,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:26:50,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:26:50,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:26:50,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:50" (1/1) ... [2024-11-19 10:26:50,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:50" (1/1) ... [2024-11-19 10:26:50,215 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:50" (1/1) ... [2024-11-19 10:26:50,227 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-19 10:26:50,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:50" (1/1) ... [2024-11-19 10:26:50,228 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:50" (1/1) ... [2024-11-19 10:26:50,231 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:50" (1/1) ... [2024-11-19 10:26:50,234 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:50" (1/1) ... [2024-11-19 10:26:50,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:50" (1/1) ... [2024-11-19 10:26:50,236 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:50" (1/1) ... [2024-11-19 10:26:50,238 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:26:50,239 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:26:50,239 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:26:50,239 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:26:50,240 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:50" (1/1) ... [2024-11-19 10:26:50,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:26:50,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:50,273 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) [2024-11-19 10:26:50,276 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 [2024-11-19 10:26:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:26:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 10:26:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 10:26:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:26:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 10:26:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:26:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:26:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 10:26:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 10:26:50,387 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:26:50,389 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:26:50,982 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-11-19 10:26:50,982 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:26:51,003 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:26:51,004 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 10:26:51,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:26:51 BoogieIcfgContainer [2024-11-19 10:26:51,004 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:26:51,006 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:26:51,007 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:26:51,011 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:26:51,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:26:49" (1/3) ... [2024-11-19 10:26:51,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@264968c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:26:51, skipping insertion in model container [2024-11-19 10:26:51,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:50" (2/3) ... [2024-11-19 10:26:51,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@264968c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:26:51, skipping insertion in model container [2024-11-19 10:26:51,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:26:51" (3/3) ... [2024-11-19 10:26:51,014 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd.c [2024-11-19 10:26:51,029 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:26:51,030 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2024-11-19 10:26:51,103 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:26:51,109 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;@215de557, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:26:51,109 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-19 10:26:51,113 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 73 states have (on average 1.8493150684931507) internal successors, (135), 129 states have internal predecessors, (135), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-19 10:26:51,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 10:26:51,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:51,119 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:51,120 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:26:51,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:51,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1636590720, now seen corresponding path program 1 times [2024-11-19 10:26:51,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:51,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307640197] [2024-11-19 10:26:51,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:51,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:51,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 10:26:51,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:51,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307640197] [2024-11-19 10:26:51,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307640197] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:26:51,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175563526] [2024-11-19 10:26:51,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:51,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:51,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:51,280 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) [2024-11-19 10:26:51,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:26:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:51,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 10:26:51,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:51,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 10:26:51,342 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:26:51,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175563526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:51,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:26:51,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 10:26:51,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132169132] [2024-11-19 10:26:51,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:51,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 10:26:51,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:51,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 10:26:51,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:26:51,380 INFO L87 Difference]: Start difference. First operand has 141 states, 73 states have (on average 1.8493150684931507) internal successors, (135), 129 states have internal predecessors, (135), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:26:51,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:51,418 INFO L93 Difference]: Finished difference Result 278 states and 310 transitions. [2024-11-19 10:26:51,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 10:26:51,420 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-19 10:26:51,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:51,427 INFO L225 Difference]: With dead ends: 278 [2024-11-19 10:26:51,427 INFO L226 Difference]: Without dead ends: 134 [2024-11-19 10:26:51,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:26:51,433 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:51,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:26:51,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-19 10:26:51,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2024-11-19 10:26:51,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 68 states have (on average 1.838235294117647) internal successors, (125), 123 states have internal predecessors, (125), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 10:26:51,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 141 transitions. [2024-11-19 10:26:51,474 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 141 transitions. Word has length 15 [2024-11-19 10:26:51,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:51,474 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 141 transitions. [2024-11-19 10:26:51,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:26:51,475 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 141 transitions. [2024-11-19 10:26:51,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 10:26:51,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:51,476 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:51,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 10:26:51,677 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 [2024-11-19 10:26:51,678 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:26:51,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:51,678 INFO L85 PathProgramCache]: Analyzing trace with hash -878270273, now seen corresponding path program 1 times [2024-11-19 10:26:51,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:51,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699377223] [2024-11-19 10:26:51,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:51,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:26:51,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1489144159] [2024-11-19 10:26:51,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:51,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:51,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:51,714 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) [2024-11-19 10:26:51,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:26:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:51,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:26:51,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:51,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:26:51,830 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:26:51,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:51,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699377223] [2024-11-19 10:26:51,832 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:26:51,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489144159] [2024-11-19 10:26:51,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489144159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:51,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:51,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:26:51,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227746323] [2024-11-19 10:26:51,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:51,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:26:51,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:51,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:26:51,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:26:51,835 INFO L87 Difference]: Start difference. First operand 134 states and 141 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:26:52,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:52,139 INFO L93 Difference]: Finished difference Result 219 states and 265 transitions. [2024-11-19 10:26:52,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:26:52,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-19 10:26:52,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:52,145 INFO L225 Difference]: With dead ends: 219 [2024-11-19 10:26:52,145 INFO L226 Difference]: Without dead ends: 215 [2024-11-19 10:26:52,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:26:52,147 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 73 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:52,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 138 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:26:52,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-19 10:26:52,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 173. [2024-11-19 10:26:52,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 102 states have (on average 1.8431372549019607) internal successors, (188), 157 states have internal predecessors, (188), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-19 10:26:52,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 214 transitions. [2024-11-19 10:26:52,173 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 214 transitions. Word has length 15 [2024-11-19 10:26:52,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:52,174 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 214 transitions. [2024-11-19 10:26:52,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:26:52,175 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 214 transitions. [2024-11-19 10:26:52,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-19 10:26:52,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:52,175 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:52,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 10:26:52,376 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 [2024-11-19 10:26:52,377 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:26:52,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:52,378 INFO L85 PathProgramCache]: Analyzing trace with hash 2090826497, now seen corresponding path program 1 times [2024-11-19 10:26:52,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:52,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836763633] [2024-11-19 10:26:52,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:52,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:26:52,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1227989695] [2024-11-19 10:26:52,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:52,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:52,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:52,428 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) [2024-11-19 10:26:52,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:26:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:52,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:26:52,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:52,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:26:52,502 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:26:52,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:52,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836763633] [2024-11-19 10:26:52,503 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:26:52,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227989695] [2024-11-19 10:26:52,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227989695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:52,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:52,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:26:52,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686107286] [2024-11-19 10:26:52,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:52,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:26:52,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:52,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:26:52,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:26:52,505 INFO L87 Difference]: Start difference. First operand 173 states and 214 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:26:52,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:52,765 INFO L93 Difference]: Finished difference Result 274 states and 338 transitions. [2024-11-19 10:26:52,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:26:52,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2024-11-19 10:26:52,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:52,768 INFO L225 Difference]: With dead ends: 274 [2024-11-19 10:26:52,771 INFO L226 Difference]: Without dead ends: 266 [2024-11-19 10:26:52,771 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 [2024-11-19 10:26:52,772 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 84 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:52,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 196 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:26:52,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-11-19 10:26:52,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 226. [2024-11-19 10:26:52,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 149 states have (on average 1.7919463087248322) internal successors, (267), 204 states have internal predecessors, (267), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-19 10:26:52,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 305 transitions. [2024-11-19 10:26:52,796 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 305 transitions. Word has length 17 [2024-11-19 10:26:52,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:52,797 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 305 transitions. [2024-11-19 10:26:52,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:26:52,797 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 305 transitions. [2024-11-19 10:26:52,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-19 10:26:52,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:52,798 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:52,812 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 10:26:53,002 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 [2024-11-19 10:26:53,003 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:26:53,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:53,003 INFO L85 PathProgramCache]: Analyzing trace with hash -760429245, now seen corresponding path program 1 times [2024-11-19 10:26:53,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:53,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428500901] [2024-11-19 10:26:53,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:53,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:26:53,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1783038455] [2024-11-19 10:26:53,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:53,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:53,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:53,032 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) [2024-11-19 10:26:53,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:26:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:53,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:26:53,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:53,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:26:53,159 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:26:53,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:53,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428500901] [2024-11-19 10:26:53,160 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:26:53,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783038455] [2024-11-19 10:26:53,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783038455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:53,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:53,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:26:53,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942273987] [2024-11-19 10:26:53,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:53,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:26:53,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:53,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:26:53,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:26:53,163 INFO L87 Difference]: Start difference. First operand 226 states and 305 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:26:53,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:53,443 INFO L93 Difference]: Finished difference Result 260 states and 324 transitions. [2024-11-19 10:26:53,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:26:53,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-19 10:26:53,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:53,445 INFO L225 Difference]: With dead ends: 260 [2024-11-19 10:26:53,445 INFO L226 Difference]: Without dead ends: 246 [2024-11-19 10:26:53,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:26:53,447 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 61 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:53,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 124 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:26:53,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-19 10:26:53,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 191. [2024-11-19 10:26:53,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 119 states have (on average 1.7142857142857142) internal successors, (204), 174 states have internal predecessors, (204), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-19 10:26:53,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 232 transitions. [2024-11-19 10:26:53,471 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 232 transitions. Word has length 19 [2024-11-19 10:26:53,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:53,472 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 232 transitions. [2024-11-19 10:26:53,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:26:53,472 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 232 transitions. [2024-11-19 10:26:53,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-19 10:26:53,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:53,473 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:53,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 10:26:53,673 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 [2024-11-19 10:26:53,674 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:26:53,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:53,674 INFO L85 PathProgramCache]: Analyzing trace with hash -2013228301, now seen corresponding path program 1 times [2024-11-19 10:26:53,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:53,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337346110] [2024-11-19 10:26:53,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:53,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:26:53,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1084242472] [2024-11-19 10:26:53,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:53,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:53,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:53,695 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) [2024-11-19 10:26:53,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:26:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:53,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:26:53,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:53,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:26:53,765 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:26:53,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:53,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337346110] [2024-11-19 10:26:53,765 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:26:53,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084242472] [2024-11-19 10:26:53,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084242472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:53,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:53,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:26:53,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479136659] [2024-11-19 10:26:53,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:53,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:26:53,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:53,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:26:53,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:26:53,767 INFO L87 Difference]: Start difference. First operand 191 states and 232 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:26:54,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:54,055 INFO L93 Difference]: Finished difference Result 353 states and 451 transitions. [2024-11-19 10:26:54,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:26:54,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2024-11-19 10:26:54,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:54,059 INFO L225 Difference]: With dead ends: 353 [2024-11-19 10:26:54,059 INFO L226 Difference]: Without dead ends: 345 [2024-11-19 10:26:54,059 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 [2024-11-19 10:26:54,060 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 84 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:54,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 192 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:26:54,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-19 10:26:54,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 270. [2024-11-19 10:26:54,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 189 states have (on average 1.693121693121693) internal successors, (320), 244 states have internal predecessors, (320), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:26:54,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 366 transitions. [2024-11-19 10:26:54,101 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 366 transitions. Word has length 26 [2024-11-19 10:26:54,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:54,102 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 366 transitions. [2024-11-19 10:26:54,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:26:54,102 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 366 transitions. [2024-11-19 10:26:54,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-19 10:26:54,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:54,103 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:54,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 10:26:54,303 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 [2024-11-19 10:26:54,304 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:26:54,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:54,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1977112107, now seen corresponding path program 1 times [2024-11-19 10:26:54,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:54,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351032282] [2024-11-19 10:26:54,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:54,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:26:54,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1000370592] [2024-11-19 10:26:54,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:54,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:54,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:54,324 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) [2024-11-19 10:26:54,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:26:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:54,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:26:54,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:54,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:26:54,442 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:26:54,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:54,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351032282] [2024-11-19 10:26:54,443 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:26:54,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000370592] [2024-11-19 10:26:54,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000370592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:54,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:54,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:26:54,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412426291] [2024-11-19 10:26:54,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:54,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:26:54,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:54,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:26:54,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:54,445 INFO L87 Difference]: Start difference. First operand 270 states and 366 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:26:54,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:54,719 INFO L93 Difference]: Finished difference Result 323 states and 431 transitions. [2024-11-19 10:26:54,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:26:54,720 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2024-11-19 10:26:54,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:54,722 INFO L225 Difference]: With dead ends: 323 [2024-11-19 10:26:54,723 INFO L226 Difference]: Without dead ends: 321 [2024-11-19 10:26:54,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:54,724 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 231 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:54,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 137 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:26:54,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-19 10:26:54,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 270. [2024-11-19 10:26:54,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 189 states have (on average 1.6719576719576719) internal successors, (316), 244 states have internal predecessors, (316), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:26:54,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 362 transitions. [2024-11-19 10:26:54,745 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 362 transitions. Word has length 28 [2024-11-19 10:26:54,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:54,745 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 362 transitions. [2024-11-19 10:26:54,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:26:54,745 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 362 transitions. [2024-11-19 10:26:54,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-19 10:26:54,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:54,746 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:54,763 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 10:26:54,947 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 [2024-11-19 10:26:54,947 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:26:54,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:54,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1160933108, now seen corresponding path program 1 times [2024-11-19 10:26:54,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:54,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462463001] [2024-11-19 10:26:54,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:54,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:26:54,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [531935538] [2024-11-19 10:26:54,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:54,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:54,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:54,970 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) [2024-11-19 10:26:54,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:26:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:55,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:26:55,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:55,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:26:55,082 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:26:55,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:55,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462463001] [2024-11-19 10:26:55,083 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:26:55,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531935538] [2024-11-19 10:26:55,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531935538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:55,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:55,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:26:55,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948643233] [2024-11-19 10:26:55,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:55,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:26:55,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:55,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:26:55,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:55,084 INFO L87 Difference]: Start difference. First operand 270 states and 362 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:26:55,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:55,415 INFO L93 Difference]: Finished difference Result 323 states and 427 transitions. [2024-11-19 10:26:55,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:26:55,416 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2024-11-19 10:26:55,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:55,418 INFO L225 Difference]: With dead ends: 323 [2024-11-19 10:26:55,418 INFO L226 Difference]: Without dead ends: 321 [2024-11-19 10:26:55,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:55,419 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 170 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:55,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 152 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:26:55,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-19 10:26:55,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 270. [2024-11-19 10:26:55,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 189 states have (on average 1.6507936507936507) internal successors, (312), 244 states have internal predecessors, (312), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:26:55,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 358 transitions. [2024-11-19 10:26:55,432 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 358 transitions. Word has length 29 [2024-11-19 10:26:55,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:55,432 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 358 transitions. [2024-11-19 10:26:55,433 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:26:55,433 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 358 transitions. [2024-11-19 10:26:55,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-19 10:26:55,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:55,434 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:55,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-19 10:26:55,634 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 [2024-11-19 10:26:55,635 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:26:55,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:55,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1629187913, now seen corresponding path program 1 times [2024-11-19 10:26:55,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:55,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490583077] [2024-11-19 10:26:55,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:55,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:26:55,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [443563989] [2024-11-19 10:26:55,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:55,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:55,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:55,654 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) [2024-11-19 10:26:55,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 10:26:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:55,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:26:55,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:55,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:26:55,737 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:26:55,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:55,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490583077] [2024-11-19 10:26:55,737 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:26:55,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443563989] [2024-11-19 10:26:55,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443563989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:55,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:55,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:26:55,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697527877] [2024-11-19 10:26:55,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:55,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:26:55,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:55,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:26:55,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:55,739 INFO L87 Difference]: Start difference. First operand 270 states and 358 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:26:56,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:56,607 INFO L93 Difference]: Finished difference Result 343 states and 431 transitions. [2024-11-19 10:26:56,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:26:56,608 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2024-11-19 10:26:56,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:56,609 INFO L225 Difference]: With dead ends: 343 [2024-11-19 10:26:56,609 INFO L226 Difference]: Without dead ends: 341 [2024-11-19 10:26:56,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:56,610 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 85 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:56,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 210 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 10:26:56,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-19 10:26:56,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 271. [2024-11-19 10:26:56,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 190 states have (on average 1.631578947368421) internal successors, (310), 245 states have internal predecessors, (310), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:26:56,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 356 transitions. [2024-11-19 10:26:56,624 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 356 transitions. Word has length 30 [2024-11-19 10:26:56,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:56,624 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 356 transitions. [2024-11-19 10:26:56,624 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:26:56,625 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 356 transitions. [2024-11-19 10:26:56,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-19 10:26:56,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:56,625 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:56,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-19 10:26:56,826 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 [2024-11-19 10:26:56,826 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:26:56,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:56,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1034782318, now seen corresponding path program 1 times [2024-11-19 10:26:56,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:56,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098326640] [2024-11-19 10:26:56,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:56,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:26:56,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1827627367] [2024-11-19 10:26:56,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:56,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:56,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:56,845 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) [2024-11-19 10:26:56,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 10:26:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:56,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:26:56,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:56,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:26:56,953 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:26:56,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:56,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098326640] [2024-11-19 10:26:56,953 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:26:56,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827627367] [2024-11-19 10:26:56,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827627367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:56,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:56,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:26:56,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234187442] [2024-11-19 10:26:56,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:56,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:26:56,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:56,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:26:56,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:56,955 INFO L87 Difference]: Start difference. First operand 271 states and 356 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:26:57,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:57,967 INFO L93 Difference]: Finished difference Result 343 states and 427 transitions. [2024-11-19 10:26:57,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:26:57,967 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2024-11-19 10:26:57,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:57,969 INFO L225 Difference]: With dead ends: 343 [2024-11-19 10:26:57,969 INFO L226 Difference]: Without dead ends: 341 [2024-11-19 10:26:57,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:57,970 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 85 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:57,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 213 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 10:26:57,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-19 10:26:57,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 272. [2024-11-19 10:26:57,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 191 states have (on average 1.612565445026178) internal successors, (308), 246 states have internal predecessors, (308), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:26:57,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 354 transitions. [2024-11-19 10:26:57,986 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 354 transitions. Word has length 31 [2024-11-19 10:26:57,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:57,988 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 354 transitions. [2024-11-19 10:26:57,988 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:26:57,988 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 354 transitions. [2024-11-19 10:26:57,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-19 10:26:57,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:57,991 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:58,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-19 10:26:58,191 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 [2024-11-19 10:26:58,192 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:26:58,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:58,192 INFO L85 PathProgramCache]: Analyzing trace with hash -787965737, now seen corresponding path program 1 times [2024-11-19 10:26:58,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:58,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468959134] [2024-11-19 10:26:58,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:58,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:26:58,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1346960995] [2024-11-19 10:26:58,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:58,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:58,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:58,212 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) [2024-11-19 10:26:58,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 10:26:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:58,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:26:58,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:58,342 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:26:58,343 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:26:58,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:58,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468959134] [2024-11-19 10:26:58,343 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:26:58,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346960995] [2024-11-19 10:26:58,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346960995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:58,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:58,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:26:58,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983833684] [2024-11-19 10:26:58,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:58,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:26:58,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:58,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:26:58,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:58,346 INFO L87 Difference]: Start difference. First operand 272 states and 354 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:26:58,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:58,622 INFO L93 Difference]: Finished difference Result 294 states and 373 transitions. [2024-11-19 10:26:58,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:26:58,623 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2024-11-19 10:26:58,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:58,624 INFO L225 Difference]: With dead ends: 294 [2024-11-19 10:26:58,625 INFO L226 Difference]: Without dead ends: 292 [2024-11-19 10:26:58,625 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 [2024-11-19 10:26:58,625 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 155 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:58,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 162 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:26:58,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-19 10:26:58,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 273. [2024-11-19 10:26:58,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 192 states have (on average 1.5989583333333333) internal successors, (307), 247 states have internal predecessors, (307), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:26:58,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 353 transitions. [2024-11-19 10:26:58,637 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 353 transitions. Word has length 39 [2024-11-19 10:26:58,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:58,637 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 353 transitions. [2024-11-19 10:26:58,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:26:58,637 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 353 transitions. [2024-11-19 10:26:58,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-19 10:26:58,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:58,638 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:58,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-19 10:26:58,839 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 [2024-11-19 10:26:58,839 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:26:58,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:58,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1342866007, now seen corresponding path program 1 times [2024-11-19 10:26:58,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:58,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737972529] [2024-11-19 10:26:58,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:58,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:26:58,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [410472454] [2024-11-19 10:26:58,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:58,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:58,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:58,857 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) [2024-11-19 10:26:58,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 10:26:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:58,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:26:58,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:58,987 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:26:58,987 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:26:58,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:58,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737972529] [2024-11-19 10:26:58,988 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:26:58,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410472454] [2024-11-19 10:26:58,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410472454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:58,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:58,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:26:58,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763340537] [2024-11-19 10:26:58,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:58,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:26:58,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:58,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:26:58,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:58,989 INFO L87 Difference]: Start difference. First operand 273 states and 353 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:26:59,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:26:59,302 INFO L93 Difference]: Finished difference Result 294 states and 370 transitions. [2024-11-19 10:26:59,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:26:59,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2024-11-19 10:26:59,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:26:59,305 INFO L225 Difference]: With dead ends: 294 [2024-11-19 10:26:59,305 INFO L226 Difference]: Without dead ends: 292 [2024-11-19 10:26:59,306 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 [2024-11-19 10:26:59,306 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 207 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:26:59,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 147 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:26:59,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-19 10:26:59,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 274. [2024-11-19 10:26:59,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 193 states have (on average 1.5854922279792747) internal successors, (306), 248 states have internal predecessors, (306), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:26:59,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 352 transitions. [2024-11-19 10:26:59,319 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 352 transitions. Word has length 40 [2024-11-19 10:26:59,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:26:59,321 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 352 transitions. [2024-11-19 10:26:59,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:26:59,321 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 352 transitions. [2024-11-19 10:26:59,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-19 10:26:59,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:26:59,322 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:26:59,338 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-19 10:26:59,526 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 [2024-11-19 10:26:59,527 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:26:59,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:26:59,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1320826663, now seen corresponding path program 1 times [2024-11-19 10:26:59,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:26:59,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625493821] [2024-11-19 10:26:59,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:59,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:26:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:26:59,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1416315713] [2024-11-19 10:26:59,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:26:59,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:26:59,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:26:59,546 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) [2024-11-19 10:26:59,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-19 10:26:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:26:59,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:26:59,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:26:59,643 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:26:59,644 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:26:59,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:26:59,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625493821] [2024-11-19 10:26:59,644 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:26:59,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416315713] [2024-11-19 10:26:59,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416315713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:26:59,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:26:59,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:26:59,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370137148] [2024-11-19 10:26:59,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:26:59,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:26:59,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:26:59,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:26:59,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:26:59,645 INFO L87 Difference]: Start difference. First operand 274 states and 352 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:27:00,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:00,170 INFO L93 Difference]: Finished difference Result 302 states and 359 transitions. [2024-11-19 10:27:00,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:27:00,171 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2024-11-19 10:27:00,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:00,172 INFO L225 Difference]: With dead ends: 302 [2024-11-19 10:27:00,172 INFO L226 Difference]: Without dead ends: 300 [2024-11-19 10:27:00,173 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 [2024-11-19 10:27:00,173 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 127 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:00,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 193 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:27:00,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-19 10:27:00,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 275. [2024-11-19 10:27:00,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 194 states have (on average 1.5721649484536082) internal successors, (305), 249 states have internal predecessors, (305), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:27:00,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 351 transitions. [2024-11-19 10:27:00,186 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 351 transitions. Word has length 41 [2024-11-19 10:27:00,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:00,186 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 351 transitions. [2024-11-19 10:27:00,186 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:27:00,186 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 351 transitions. [2024-11-19 10:27:00,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-19 10:27:00,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:00,187 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:00,203 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-19 10:27:00,387 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 [2024-11-19 10:27:00,388 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:00,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:00,388 INFO L85 PathProgramCache]: Analyzing trace with hash 2004046489, now seen corresponding path program 1 times [2024-11-19 10:27:00,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:00,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713608535] [2024-11-19 10:27:00,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:00,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:00,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:27:00,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1786920851] [2024-11-19 10:27:00,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:00,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:00,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:00,406 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) [2024-11-19 10:27:00,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-19 10:27:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:00,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:27:00,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:00,545 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:27:00,545 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:27:00,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:00,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713608535] [2024-11-19 10:27:00,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:00,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786920851] [2024-11-19 10:27:00,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786920851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:27:00,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:27:00,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:27:00,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702938608] [2024-11-19 10:27:00,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:27:00,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:27:00,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:00,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:27:00,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:27:00,548 INFO L87 Difference]: Start difference. First operand 275 states and 351 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:27:01,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:01,489 INFO L93 Difference]: Finished difference Result 302 states and 356 transitions. [2024-11-19 10:27:01,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:27:01,490 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2024-11-19 10:27:01,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:01,491 INFO L225 Difference]: With dead ends: 302 [2024-11-19 10:27:01,491 INFO L226 Difference]: Without dead ends: 300 [2024-11-19 10:27:01,492 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 [2024-11-19 10:27:01,492 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 77 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:01,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 241 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 10:27:01,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-19 10:27:01,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 276. [2024-11-19 10:27:01,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 195 states have (on average 1.558974358974359) internal successors, (304), 250 states have internal predecessors, (304), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:27:01,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 350 transitions. [2024-11-19 10:27:01,503 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 350 transitions. Word has length 42 [2024-11-19 10:27:01,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:01,504 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 350 transitions. [2024-11-19 10:27:01,504 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:27:01,504 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 350 transitions. [2024-11-19 10:27:01,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-19 10:27:01,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:01,505 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:01,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:01,705 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,SelfDestructingSolverStorable12 [2024-11-19 10:27:01,705 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:01,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:01,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1148688527, now seen corresponding path program 1 times [2024-11-19 10:27:01,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:01,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365635656] [2024-11-19 10:27:01,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:01,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:01,799 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-19 10:27:01,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:01,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365635656] [2024-11-19 10:27:01,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365635656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:27:01,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:27:01,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:27:01,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436586545] [2024-11-19 10:27:01,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:27:01,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:27:01,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:01,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:27:01,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:27:01,802 INFO L87 Difference]: Start difference. First operand 276 states and 350 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 10:27:01,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:01,838 INFO L93 Difference]: Finished difference Result 276 states and 350 transitions. [2024-11-19 10:27:01,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:27:01,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 49 [2024-11-19 10:27:01,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:01,840 INFO L225 Difference]: With dead ends: 276 [2024-11-19 10:27:01,840 INFO L226 Difference]: Without dead ends: 274 [2024-11-19 10:27:01,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:27:01,841 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 46 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 199 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 [2024-11-19 10:27:01,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 199 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:27:01,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-19 10:27:01,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2024-11-19 10:27:01,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 195 states have (on average 1.528205128205128) internal successors, (298), 248 states have internal predecessors, (298), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:27:01,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 344 transitions. [2024-11-19 10:27:01,852 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 344 transitions. Word has length 49 [2024-11-19 10:27:01,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:01,853 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 344 transitions. [2024-11-19 10:27:01,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 10:27:01,853 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 344 transitions. [2024-11-19 10:27:01,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-19 10:27:01,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:01,854 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:01,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 10:27:01,854 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:01,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:01,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1249605844, now seen corresponding path program 1 times [2024-11-19 10:27:01,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:01,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339487515] [2024-11-19 10:27:01,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:01,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:01,904 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-19 10:27:01,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:01,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339487515] [2024-11-19 10:27:01,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339487515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:27:01,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:27:01,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:27:01,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446335209] [2024-11-19 10:27:01,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:27:01,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:27:01,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:01,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:27:01,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:27:01,906 INFO L87 Difference]: Start difference. First operand 274 states and 344 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 10:27:01,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:01,971 INFO L93 Difference]: Finished difference Result 274 states and 344 transitions. [2024-11-19 10:27:01,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:27:01,971 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 50 [2024-11-19 10:27:01,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:01,973 INFO L225 Difference]: With dead ends: 274 [2024-11-19 10:27:01,973 INFO L226 Difference]: Without dead ends: 272 [2024-11-19 10:27:01,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:27:01,974 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 45 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:01,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 198 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:27:01,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-19 10:27:01,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2024-11-19 10:27:01,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 195 states have (on average 1.4871794871794872) internal successors, (290), 246 states have internal predecessors, (290), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:27:01,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 336 transitions. [2024-11-19 10:27:01,985 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 336 transitions. Word has length 50 [2024-11-19 10:27:01,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:01,985 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 336 transitions. [2024-11-19 10:27:01,985 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 10:27:01,986 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 336 transitions. [2024-11-19 10:27:01,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-19 10:27:01,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:01,986 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:01,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 10:27:01,987 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)] === [2024-11-19 10:27:01,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:01,987 INFO L85 PathProgramCache]: Analyzing trace with hash -83033665, now seen corresponding path program 1 times [2024-11-19 10:27:01,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:01,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730380815] [2024-11-19 10:27:01,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:01,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:02,172 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-19 10:27:02,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:02,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730380815] [2024-11-19 10:27:02,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730380815] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:02,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605446938] [2024-11-19 10:27:02,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:02,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:02,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:02,175 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) [2024-11-19 10:27:02,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-19 10:27:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:02,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:27:02,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:02,343 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-19 10:27:02,344 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:02,483 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-19 10:27:02,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605446938] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:27:02,483 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:27:02,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-19 10:27:02,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470451405] [2024-11-19 10:27:02,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:02,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 10:27:02,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:02,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 10:27:02,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:27:02,485 INFO L87 Difference]: Start difference. First operand 272 states and 336 transitions. Second operand has 13 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 8 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 6 states have call predecessors, (15), 8 states have call successors, (15) [2024-11-19 10:27:03,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:03,101 INFO L93 Difference]: Finished difference Result 336 states and 393 transitions. [2024-11-19 10:27:03,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:27:03,101 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 8 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 6 states have call predecessors, (15), 8 states have call successors, (15) Word has length 51 [2024-11-19 10:27:03,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:03,103 INFO L225 Difference]: With dead ends: 336 [2024-11-19 10:27:03,103 INFO L226 Difference]: Without dead ends: 335 [2024-11-19 10:27:03,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:27:03,104 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 486 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:03,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 421 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:27:03,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-19 10:27:03,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 272. [2024-11-19 10:27:03,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 195 states have (on average 1.476923076923077) internal successors, (288), 246 states have internal predecessors, (288), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:27:03,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 334 transitions. [2024-11-19 10:27:03,118 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 334 transitions. Word has length 51 [2024-11-19 10:27:03,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:03,119 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 334 transitions. [2024-11-19 10:27:03,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 8 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 6 states have call predecessors, (15), 8 states have call successors, (15) [2024-11-19 10:27:03,119 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 334 transitions. [2024-11-19 10:27:03,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-19 10:27:03,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:03,120 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:03,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:03,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:03,325 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:03,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:03,325 INFO L85 PathProgramCache]: Analyzing trace with hash -83047567, now seen corresponding path program 1 times [2024-11-19 10:27:03,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:03,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532580226] [2024-11-19 10:27:03,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:03,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:03,469 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-19 10:27:03,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:03,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532580226] [2024-11-19 10:27:03,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532580226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:27:03,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:27:03,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 10:27:03,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466558847] [2024-11-19 10:27:03,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:27:03,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:27:03,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:03,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:27:03,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:27:03,470 INFO L87 Difference]: Start difference. First operand 272 states and 334 transitions. Second operand has 7 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:27:04,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:04,000 INFO L93 Difference]: Finished difference Result 275 states and 337 transitions. [2024-11-19 10:27:04,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:27:04,001 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 51 [2024-11-19 10:27:04,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:04,003 INFO L225 Difference]: With dead ends: 275 [2024-11-19 10:27:04,003 INFO L226 Difference]: Without dead ends: 274 [2024-11-19 10:27:04,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:27:04,004 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 276 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:04,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 268 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:27:04,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-19 10:27:04,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2024-11-19 10:27:04,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 197 states have (on average 1.4720812182741116) internal successors, (290), 248 states have internal predecessors, (290), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:27:04,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 336 transitions. [2024-11-19 10:27:04,020 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 336 transitions. Word has length 51 [2024-11-19 10:27:04,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:04,021 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 336 transitions. [2024-11-19 10:27:04,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:27:04,021 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 336 transitions. [2024-11-19 10:27:04,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-19 10:27:04,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:04,022 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:04,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 10:27:04,022 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:04,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:04,022 INFO L85 PathProgramCache]: Analyzing trace with hash 245358770, now seen corresponding path program 1 times [2024-11-19 10:27:04,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:04,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18206246] [2024-11-19 10:27:04,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:04,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:04,080 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-19 10:27:04,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:04,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18206246] [2024-11-19 10:27:04,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18206246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:27:04,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:27:04,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:27:04,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065483988] [2024-11-19 10:27:04,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:27:04,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:27:04,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:04,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:27:04,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:27:04,082 INFO L87 Difference]: Start difference. First operand 274 states and 336 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-19 10:27:04,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:04,280 INFO L93 Difference]: Finished difference Result 330 states and 404 transitions. [2024-11-19 10:27:04,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:27:04,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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 54 [2024-11-19 10:27:04,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:04,283 INFO L225 Difference]: With dead ends: 330 [2024-11-19 10:27:04,283 INFO L226 Difference]: Without dead ends: 326 [2024-11-19 10:27:04,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:27:04,284 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 42 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:04,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 139 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:27:04,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-19 10:27:04,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 284. [2024-11-19 10:27:04,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 207 states have (on average 1.4541062801932367) internal successors, (301), 258 states have internal predecessors, (301), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:27:04,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 347 transitions. [2024-11-19 10:27:04,299 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 347 transitions. Word has length 54 [2024-11-19 10:27:04,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:04,300 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 347 transitions. [2024-11-19 10:27:04,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-19 10:27:04,300 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 347 transitions. [2024-11-19 10:27:04,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-19 10:27:04,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:04,301 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-19 10:27:04,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 10:27:04,301 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:04,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:04,302 INFO L85 PathProgramCache]: Analyzing trace with hash -551106875, now seen corresponding path program 1 times [2024-11-19 10:27:04,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:04,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427044744] [2024-11-19 10:27:04,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:04,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:27:04,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1007035487] [2024-11-19 10:27:04,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:04,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:04,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:04,320 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) [2024-11-19 10:27:04,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-19 10:27:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:04,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:27:04,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:04,525 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-19 10:27:04,525 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:04,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:04,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427044744] [2024-11-19 10:27:04,650 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:04,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007035487] [2024-11-19 10:27:04,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007035487] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:04,650 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:04,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-19 10:27:04,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13564786] [2024-11-19 10:27:04,650 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:04,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:27:04,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:04,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:27:04,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:27:04,651 INFO L87 Difference]: Start difference. First operand 284 states and 347 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (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) [2024-11-19 10:27:04,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:04,949 INFO L93 Difference]: Finished difference Result 324 states and 398 transitions. [2024-11-19 10:27:04,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:27:04,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (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 57 [2024-11-19 10:27:04,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:04,952 INFO L225 Difference]: With dead ends: 324 [2024-11-19 10:27:04,952 INFO L226 Difference]: Without dead ends: 322 [2024-11-19 10:27:04,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:27:04,952 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 35 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:04,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 174 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:27:04,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-19 10:27:04,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 285. [2024-11-19 10:27:04,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 208 states have (on average 1.4471153846153846) internal successors, (301), 259 states have internal predecessors, (301), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:27:04,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 347 transitions. [2024-11-19 10:27:04,967 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 347 transitions. Word has length 57 [2024-11-19 10:27:04,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:04,968 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 347 transitions. [2024-11-19 10:27:04,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (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) [2024-11-19 10:27:04,968 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 347 transitions. [2024-11-19 10:27:04,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-19 10:27:04,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:04,969 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:27:04,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:05,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:05,170 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:05,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:05,170 INFO L85 PathProgramCache]: Analyzing trace with hash 95556107, now seen corresponding path program 1 times [2024-11-19 10:27:05,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:05,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797468161] [2024-11-19 10:27:05,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:05,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:27:05,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [233734640] [2024-11-19 10:27:05,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:05,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:05,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:05,185 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) [2024-11-19 10:27:05,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-19 10:27:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:05,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:27:05,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:05,401 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-19 10:27:05,402 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:05,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:05,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797468161] [2024-11-19 10:27:05,635 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:05,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233734640] [2024-11-19 10:27:05,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233734640] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:05,635 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:05,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-19 10:27:05,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689131358] [2024-11-19 10:27:05,635 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:05,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:27:05,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:05,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:27:05,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:27:05,636 INFO L87 Difference]: Start difference. First operand 285 states and 347 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, (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) [2024-11-19 10:27:05,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:05,999 INFO L93 Difference]: Finished difference Result 324 states and 396 transitions. [2024-11-19 10:27:05,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:27:06,000 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, (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 58 [2024-11-19 10:27:06,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:06,001 INFO L225 Difference]: With dead ends: 324 [2024-11-19 10:27:06,001 INFO L226 Difference]: Without dead ends: 322 [2024-11-19 10:27:06,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:27:06,002 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 35 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:06,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 177 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:27:06,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-19 10:27:06,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 286. [2024-11-19 10:27:06,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 209 states have (on average 1.4401913875598087) internal successors, (301), 260 states have internal predecessors, (301), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:27:06,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 347 transitions. [2024-11-19 10:27:06,024 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 347 transitions. Word has length 58 [2024-11-19 10:27:06,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:06,024 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 347 transitions. [2024-11-19 10:27:06,024 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, (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) [2024-11-19 10:27:06,024 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 347 transitions. [2024-11-19 10:27:06,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-19 10:27:06,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:06,025 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:06,041 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-19 10:27:06,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:06,230 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:06,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:06,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1661736759, now seen corresponding path program 1 times [2024-11-19 10:27:06,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:06,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137725770] [2024-11-19 10:27:06,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:06,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:06,359 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-19 10:27:06,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:06,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137725770] [2024-11-19 10:27:06,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137725770] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:06,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043114623] [2024-11-19 10:27:06,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:06,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:06,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:06,362 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) [2024-11-19 10:27:06,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-19 10:27:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:06,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:27:06,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:06,604 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 10:27:06,604 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:27:06,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043114623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:27:06,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:06,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-19 10:27:06,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692022100] [2024-11-19 10:27:06,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:27:06,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:27:06,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:06,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:27:06,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:27:06,606 INFO L87 Difference]: Start difference. First operand 286 states and 347 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-11-19 10:27:07,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:07,106 INFO L93 Difference]: Finished difference Result 322 states and 394 transitions. [2024-11-19 10:27:07,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:27:07,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 62 [2024-11-19 10:27:07,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:07,108 INFO L225 Difference]: With dead ends: 322 [2024-11-19 10:27:07,108 INFO L226 Difference]: Without dead ends: 321 [2024-11-19 10:27:07,109 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:27:07,109 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 62 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:07,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 124 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:27:07,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-19 10:27:07,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 287. [2024-11-19 10:27:07,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 210 states have (on average 1.4333333333333333) internal successors, (301), 261 states have internal predecessors, (301), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:27:07,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 347 transitions. [2024-11-19 10:27:07,124 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 347 transitions. Word has length 62 [2024-11-19 10:27:07,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:07,124 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 347 transitions. [2024-11-19 10:27:07,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-11-19 10:27:07,124 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 347 transitions. [2024-11-19 10:27:07,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-19 10:27:07,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:07,125 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-19 10:27:07,142 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-19 10:27:07,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:07,327 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:07,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:07,327 INFO L85 PathProgramCache]: Analyzing trace with hash -851283895, now seen corresponding path program 1 times [2024-11-19 10:27:07,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:07,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776337957] [2024-11-19 10:27:07,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:07,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:27:07,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1131078654] [2024-11-19 10:27:07,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:07,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:07,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:07,352 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) [2024-11-19 10:27:07,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-19 10:27:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:07,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:27:07,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:07,460 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-19 10:27:07,460 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:27:07,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:07,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776337957] [2024-11-19 10:27:07,461 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:07,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131078654] [2024-11-19 10:27:07,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131078654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:27:07,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:27:07,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:27:07,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121114468] [2024-11-19 10:27:07,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:27:07,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:27:07,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:07,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:27:07,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:27:07,463 INFO L87 Difference]: Start difference. First operand 287 states and 347 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (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) [2024-11-19 10:27:08,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:08,136 INFO L93 Difference]: Finished difference Result 337 states and 392 transitions. [2024-11-19 10:27:08,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:27:08,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (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 61 [2024-11-19 10:27:08,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:08,138 INFO L225 Difference]: With dead ends: 337 [2024-11-19 10:27:08,138 INFO L226 Difference]: Without dead ends: 336 [2024-11-19 10:27:08,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:27:08,138 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 73 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:08,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 204 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 10:27:08,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-19 10:27:08,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 287. [2024-11-19 10:27:08,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 210 states have (on average 1.4285714285714286) internal successors, (300), 261 states have internal predecessors, (300), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:27:08,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 346 transitions. [2024-11-19 10:27:08,152 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 346 transitions. Word has length 61 [2024-11-19 10:27:08,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:08,153 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 346 transitions. [2024-11-19 10:27:08,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (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) [2024-11-19 10:27:08,153 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 346 transitions. [2024-11-19 10:27:08,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-19 10:27:08,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:08,154 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:08,171 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-19 10:27:08,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:08,358 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:08,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:08,358 INFO L85 PathProgramCache]: Analyzing trace with hash 25768165, now seen corresponding path program 1 times [2024-11-19 10:27:08,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:08,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177980625] [2024-11-19 10:27:08,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:08,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:08,497 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-19 10:27:08,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:08,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177980625] [2024-11-19 10:27:08,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177980625] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:08,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310452243] [2024-11-19 10:27:08,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:08,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:08,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:08,499 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) [2024-11-19 10:27:08,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-19 10:27:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:08,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:27:08,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:08,742 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 10:27:08,742 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:27:08,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310452243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:27:08,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:08,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-19 10:27:08,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429420104] [2024-11-19 10:27:08,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:27:08,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:27:08,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:08,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:27:08,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:27:08,744 INFO L87 Difference]: Start difference. First operand 287 states and 346 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, (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) [2024-11-19 10:27:09,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:09,178 INFO L93 Difference]: Finished difference Result 322 states and 391 transitions. [2024-11-19 10:27:09,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:27:09,179 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, (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 63 [2024-11-19 10:27:09,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:09,180 INFO L225 Difference]: With dead ends: 322 [2024-11-19 10:27:09,180 INFO L226 Difference]: Without dead ends: 321 [2024-11-19 10:27:09,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:27:09,181 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 59 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:09,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 130 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:27:09,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-19 10:27:09,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 288. [2024-11-19 10:27:09,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 211 states have (on average 1.4218009478672986) internal successors, (300), 262 states have internal predecessors, (300), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:27:09,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 346 transitions. [2024-11-19 10:27:09,195 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 346 transitions. Word has length 63 [2024-11-19 10:27:09,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:09,196 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 346 transitions. [2024-11-19 10:27:09,196 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, (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) [2024-11-19 10:27:09,196 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 346 transitions. [2024-11-19 10:27:09,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-19 10:27:09,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:09,197 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-19 10:27:09,213 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-19 10:27:09,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:09,401 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:09,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:09,401 INFO L85 PathProgramCache]: Analyzing trace with hash -619996913, now seen corresponding path program 1 times [2024-11-19 10:27:09,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:09,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271560227] [2024-11-19 10:27:09,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:09,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:27:09,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1808512837] [2024-11-19 10:27:09,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:09,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:09,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:09,417 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) [2024-11-19 10:27:09,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-19 10:27:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:09,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:27:09,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:09,587 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-19 10:27:09,588 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:27:09,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:09,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271560227] [2024-11-19 10:27:09,588 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:09,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808512837] [2024-11-19 10:27:09,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808512837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:27:09,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:27:09,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:27:09,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662352050] [2024-11-19 10:27:09,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:27:09,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:27:09,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:09,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:27:09,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:27:09,590 INFO L87 Difference]: Start difference. First operand 288 states and 346 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (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) [2024-11-19 10:27:10,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:10,163 INFO L93 Difference]: Finished difference Result 339 states and 389 transitions. [2024-11-19 10:27:10,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:27:10,163 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (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 62 [2024-11-19 10:27:10,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:10,164 INFO L225 Difference]: With dead ends: 339 [2024-11-19 10:27:10,164 INFO L226 Difference]: Without dead ends: 336 [2024-11-19 10:27:10,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:27:10,165 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 73 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:10,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 207 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:27:10,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-19 10:27:10,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 291. [2024-11-19 10:27:10,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 214 states have (on average 1.4158878504672898) internal successors, (303), 265 states have internal predecessors, (303), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:27:10,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 349 transitions. [2024-11-19 10:27:10,181 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 349 transitions. Word has length 62 [2024-11-19 10:27:10,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:10,181 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 349 transitions. [2024-11-19 10:27:10,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (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) [2024-11-19 10:27:10,181 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 349 transitions. [2024-11-19 10:27:10,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-19 10:27:10,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:10,183 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:27:10,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:10,383 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,SelfDestructingSolverStorable23 [2024-11-19 10:27:10,384 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:10,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:10,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1769928389, now seen corresponding path program 1 times [2024-11-19 10:27:10,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:10,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788503519] [2024-11-19 10:27:10,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:10,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:27:10,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1404809598] [2024-11-19 10:27:10,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:10,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:10,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:10,403 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) [2024-11-19 10:27:10,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-19 10:27:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:10,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 10:27:10,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:10,734 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-19 10:27:10,735 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:10,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:10,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788503519] [2024-11-19 10:27:10,839 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:10,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404809598] [2024-11-19 10:27:10,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404809598] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:10,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:10,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-19 10:27:10,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727600307] [2024-11-19 10:27:10,840 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:10,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:27:10,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:10,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:27:10,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:27:10,841 INFO L87 Difference]: Start difference. First operand 291 states and 349 transitions. Second operand has 8 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:27:11,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:11,325 INFO L93 Difference]: Finished difference Result 474 states and 597 transitions. [2024-11-19 10:27:11,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:27:11,325 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 68 [2024-11-19 10:27:11,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:11,327 INFO L225 Difference]: With dead ends: 474 [2024-11-19 10:27:11,327 INFO L226 Difference]: Without dead ends: 470 [2024-11-19 10:27:11,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:27:11,328 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 469 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:11,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 289 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:27:11,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-11-19 10:27:11,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 367. [2024-11-19 10:27:11,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 281 states have (on average 1.4555160142348755) internal successors, (409), 332 states have internal predecessors, (409), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-19 10:27:11,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 473 transitions. [2024-11-19 10:27:11,351 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 473 transitions. Word has length 68 [2024-11-19 10:27:11,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:11,351 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 473 transitions. [2024-11-19 10:27:11,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:27:11,351 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 473 transitions. [2024-11-19 10:27:11,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-19 10:27:11,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:11,356 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:27:11,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-19 10:27:11,556 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,SelfDestructingSolverStorable24 [2024-11-19 10:27:11,557 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:11,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:11,557 INFO L85 PathProgramCache]: Analyzing trace with hash 966794850, now seen corresponding path program 1 times [2024-11-19 10:27:11,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:11,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777268921] [2024-11-19 10:27:11,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:11,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:27:11,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1700514920] [2024-11-19 10:27:11,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:11,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:11,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:11,569 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) [2024-11-19 10:27:11,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-19 10:27:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:11,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 10:27:11,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:11,884 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-19 10:27:11,885 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:12,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:12,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777268921] [2024-11-19 10:27:12,229 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:12,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700514920] [2024-11-19 10:27:12,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700514920] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:12,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:12,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-19 10:27:12,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240450926] [2024-11-19 10:27:12,229 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:12,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:27:12,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:12,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:27:12,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:27:12,231 INFO L87 Difference]: Start difference. First operand 367 states and 473 transitions. Second operand has 8 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:27:12,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:12,628 INFO L93 Difference]: Finished difference Result 396 states and 498 transitions. [2024-11-19 10:27:12,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:27:12,628 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 69 [2024-11-19 10:27:12,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:12,630 INFO L225 Difference]: With dead ends: 396 [2024-11-19 10:27:12,630 INFO L226 Difference]: Without dead ends: 390 [2024-11-19 10:27:12,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:27:12,631 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 182 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:12,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 368 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:27:12,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-19 10:27:12,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 361. [2024-11-19 10:27:12,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 281 states have (on average 1.402135231316726) internal successors, (394), 326 states have internal predecessors, (394), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-19 10:27:12,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 458 transitions. [2024-11-19 10:27:12,652 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 458 transitions. Word has length 69 [2024-11-19 10:27:12,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:12,652 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 458 transitions. [2024-11-19 10:27:12,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:27:12,652 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 458 transitions. [2024-11-19 10:27:12,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-19 10:27:12,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:12,653 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:12,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:12,854 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,SelfDestructingSolverStorable25 [2024-11-19 10:27:12,854 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:12,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:12,854 INFO L85 PathProgramCache]: Analyzing trace with hash -94130659, now seen corresponding path program 1 times [2024-11-19 10:27:12,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:12,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750107083] [2024-11-19 10:27:12,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:12,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:27:12,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [206677077] [2024-11-19 10:27:12,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:12,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:12,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:12,870 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) [2024-11-19 10:27:12,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-19 10:27:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:12,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 10:27:12,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:13,239 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-19 10:27:13,240 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:13,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:13,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750107083] [2024-11-19 10:27:13,354 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:13,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206677077] [2024-11-19 10:27:13,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206677077] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:13,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:13,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-19 10:27:13,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062813309] [2024-11-19 10:27:13,355 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:13,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 10:27:13,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:13,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 10:27:13,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:27:13,355 INFO L87 Difference]: Start difference. First operand 361 states and 458 transitions. Second operand has 9 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:27:14,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:14,122 INFO L93 Difference]: Finished difference Result 504 states and 663 transitions. [2024-11-19 10:27:14,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:27:14,122 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 70 [2024-11-19 10:27:14,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:14,124 INFO L225 Difference]: With dead ends: 504 [2024-11-19 10:27:14,124 INFO L226 Difference]: Without dead ends: 497 [2024-11-19 10:27:14,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:27:14,125 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 411 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:14,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 253 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 10:27:14,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-11-19 10:27:14,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 454. [2024-11-19 10:27:14,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 364 states have (on average 1.4505494505494505) internal successors, (528), 409 states have internal predecessors, (528), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-19 10:27:14,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 612 transitions. [2024-11-19 10:27:14,148 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 612 transitions. Word has length 70 [2024-11-19 10:27:14,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:14,149 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 612 transitions. [2024-11-19 10:27:14,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:27:14,149 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 612 transitions. [2024-11-19 10:27:14,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-19 10:27:14,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:14,150 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:14,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-19 10:27:14,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:14,355 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:14,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:14,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1376916932, now seen corresponding path program 1 times [2024-11-19 10:27:14,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:14,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692294109] [2024-11-19 10:27:14,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:14,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:27:14,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1116285782] [2024-11-19 10:27:14,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:14,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:14,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:14,379 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) [2024-11-19 10:27:14,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-19 10:27:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:14,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 10:27:14,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:14,761 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-19 10:27:14,761 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:15,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:15,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692294109] [2024-11-19 10:27:15,340 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:15,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116285782] [2024-11-19 10:27:15,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116285782] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:15,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:15,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-19 10:27:15,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283877557] [2024-11-19 10:27:15,340 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:15,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 10:27:15,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:15,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 10:27:15,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:27:15,341 INFO L87 Difference]: Start difference. First operand 454 states and 612 transitions. Second operand has 9 states, 7 states have (on average 7.142857142857143) internal successors, (50), 8 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:27:16,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:16,315 INFO L93 Difference]: Finished difference Result 556 states and 747 transitions. [2024-11-19 10:27:16,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:27:16,316 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.142857142857143) internal successors, (50), 8 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2024-11-19 10:27:16,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:16,318 INFO L225 Difference]: With dead ends: 556 [2024-11-19 10:27:16,318 INFO L226 Difference]: Without dead ends: 554 [2024-11-19 10:27:16,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:27:16,319 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 342 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:16,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 322 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 10:27:16,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2024-11-19 10:27:16,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 489. [2024-11-19 10:27:16,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 395 states have (on average 1.4455696202531645) internal successors, (571), 440 states have internal predecessors, (571), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-19 10:27:16,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 663 transitions. [2024-11-19 10:27:16,346 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 663 transitions. Word has length 71 [2024-11-19 10:27:16,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:16,346 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 663 transitions. [2024-11-19 10:27:16,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.142857142857143) internal successors, (50), 8 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:27:16,346 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 663 transitions. [2024-11-19 10:27:16,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-19 10:27:16,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:16,347 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:16,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:16,551 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,SelfDestructingSolverStorable27 [2024-11-19 10:27:16,552 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:16,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:16,552 INFO L85 PathProgramCache]: Analyzing trace with hash -265248001, now seen corresponding path program 1 times [2024-11-19 10:27:16,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:16,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221297764] [2024-11-19 10:27:16,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:16,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:27:16,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [758018036] [2024-11-19 10:27:16,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:16,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:16,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:16,575 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) [2024-11-19 10:27:16,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-19 10:27:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:16,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-19 10:27:16,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:17,025 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-19 10:27:17,025 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:17,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:17,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221297764] [2024-11-19 10:27:17,204 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:17,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758018036] [2024-11-19 10:27:17,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758018036] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:17,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:17,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-19 10:27:17,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532666864] [2024-11-19 10:27:17,205 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:17,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:27:17,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:17,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:27:17,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:27:17,205 INFO L87 Difference]: Start difference. First operand 489 states and 663 transitions. Second operand has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:27:18,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:18,521 INFO L93 Difference]: Finished difference Result 557 states and 741 transitions. [2024-11-19 10:27:18,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 10:27:18,522 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 72 [2024-11-19 10:27:18,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:18,524 INFO L225 Difference]: With dead ends: 557 [2024-11-19 10:27:18,524 INFO L226 Difference]: Without dead ends: 503 [2024-11-19 10:27:18,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-11-19 10:27:18,525 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 295 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 1787 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 1813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:18,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 347 Invalid, 1813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1787 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-19 10:27:18,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-19 10:27:18,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 405. [2024-11-19 10:27:18,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 321 states have (on average 1.4548286604361371) internal successors, (467), 366 states have internal predecessors, (467), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-19 10:27:18,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 539 transitions. [2024-11-19 10:27:18,546 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 539 transitions. Word has length 72 [2024-11-19 10:27:18,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:18,547 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 539 transitions. [2024-11-19 10:27:18,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:27:18,547 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 539 transitions. [2024-11-19 10:27:18,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-19 10:27:18,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:18,548 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:27:18,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:18,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-19 10:27:18,749 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:18,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:18,749 INFO L85 PathProgramCache]: Analyzing trace with hash 367246630, now seen corresponding path program 1 times [2024-11-19 10:27:18,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:18,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543947727] [2024-11-19 10:27:18,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:18,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:27:18,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [881321162] [2024-11-19 10:27:18,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:18,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:18,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:18,763 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) [2024-11-19 10:27:18,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-19 10:27:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:18,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 10:27:18,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:19,031 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-19 10:27:19,031 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:19,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:19,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543947727] [2024-11-19 10:27:19,316 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:19,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881321162] [2024-11-19 10:27:19,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881321162] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:19,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:19,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-19 10:27:19,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489307828] [2024-11-19 10:27:19,317 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:19,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:27:19,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:19,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:27:19,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:27:19,318 INFO L87 Difference]: Start difference. First operand 405 states and 539 transitions. Second operand has 8 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:27:20,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:20,053 INFO L93 Difference]: Finished difference Result 455 states and 610 transitions. [2024-11-19 10:27:20,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:27:20,053 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 73 [2024-11-19 10:27:20,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:20,055 INFO L225 Difference]: With dead ends: 455 [2024-11-19 10:27:20,055 INFO L226 Difference]: Without dead ends: 451 [2024-11-19 10:27:20,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:27:20,056 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 193 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:20,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 309 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 10:27:20,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-11-19 10:27:20,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 438. [2024-11-19 10:27:20,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 354 states have (on average 1.4435028248587571) internal successors, (511), 396 states have internal predecessors, (511), 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) [2024-11-19 10:27:20,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 589 transitions. [2024-11-19 10:27:20,078 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 589 transitions. Word has length 73 [2024-11-19 10:27:20,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:20,079 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 589 transitions. [2024-11-19 10:27:20,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:27:20,079 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 589 transitions. [2024-11-19 10:27:20,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-19 10:27:20,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:20,080 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-19 10:27:20,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-19 10:27:20,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:20,280 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:20,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:20,281 INFO L85 PathProgramCache]: Analyzing trace with hash 876652123, now seen corresponding path program 1 times [2024-11-19 10:27:20,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:20,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731456825] [2024-11-19 10:27:20,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:20,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:27:20,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1433435425] [2024-11-19 10:27:20,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:20,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:20,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:20,294 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) [2024-11-19 10:27:20,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-19 10:27:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:20,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 10:27:20,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:20,610 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-19 10:27:20,610 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:21,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:21,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731456825] [2024-11-19 10:27:21,998 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:21,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433435425] [2024-11-19 10:27:21,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433435425] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:21,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:21,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-19 10:27:21,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549082710] [2024-11-19 10:27:21,998 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:21,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:27:21,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:21,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:27:21,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-19 10:27:21,999 INFO L87 Difference]: Start difference. First operand 438 states and 589 transitions. Second operand has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-19 10:27:22,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:22,345 INFO L93 Difference]: Finished difference Result 709 states and 995 transitions. [2024-11-19 10:27:22,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:27:22,346 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 79 [2024-11-19 10:27:22,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:22,348 INFO L225 Difference]: With dead ends: 709 [2024-11-19 10:27:22,348 INFO L226 Difference]: Without dead ends: 707 [2024-11-19 10:27:22,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-19 10:27:22,349 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 428 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:22,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 260 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:27:22,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2024-11-19 10:27:22,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 661. [2024-11-19 10:27:22,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 551 states have (on average 1.4664246823956444) internal successors, (808), 593 states have internal predecessors, (808), 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) [2024-11-19 10:27:22,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 938 transitions. [2024-11-19 10:27:22,389 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 938 transitions. Word has length 79 [2024-11-19 10:27:22,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:22,390 INFO L471 AbstractCegarLoop]: Abstraction has 661 states and 938 transitions. [2024-11-19 10:27:22,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-19 10:27:22,390 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 938 transitions. [2024-11-19 10:27:22,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-19 10:27:22,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:22,391 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-19 10:27:22,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:22,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:22,596 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:22,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:22,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1406412111, now seen corresponding path program 1 times [2024-11-19 10:27:22,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:22,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517717108] [2024-11-19 10:27:22,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:22,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:27:22,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [376370779] [2024-11-19 10:27:22,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:22,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:22,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:22,611 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) [2024-11-19 10:27:22,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-19 10:27:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:22,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 10:27:22,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:22,905 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-19 10:27:22,905 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:24,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:24,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517717108] [2024-11-19 10:27:24,544 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:24,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376370779] [2024-11-19 10:27:24,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376370779] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:24,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:24,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-19 10:27:24,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154220840] [2024-11-19 10:27:24,545 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:24,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:27:24,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:24,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:27:24,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=64, Unknown=1, NotChecked=0, Total=90 [2024-11-19 10:27:24,546 INFO L87 Difference]: Start difference. First operand 661 states and 938 transitions. Second operand has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-19 10:27:24,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:24,815 INFO L93 Difference]: Finished difference Result 664 states and 938 transitions. [2024-11-19 10:27:24,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:27:24,816 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 80 [2024-11-19 10:27:24,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:24,818 INFO L225 Difference]: With dead ends: 664 [2024-11-19 10:27:24,818 INFO L226 Difference]: Without dead ends: 658 [2024-11-19 10:27:24,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=33, Invalid=76, Unknown=1, NotChecked=0, Total=110 [2024-11-19 10:27:24,819 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 136 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:24,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 306 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:27:24,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-11-19 10:27:24,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 532. [2024-11-19 10:27:24,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 441 states have (on average 1.3673469387755102) internal successors, (603), 477 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) [2024-11-19 10:27:24,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 707 transitions. [2024-11-19 10:27:24,850 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 707 transitions. Word has length 80 [2024-11-19 10:27:24,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:24,850 INFO L471 AbstractCegarLoop]: Abstraction has 532 states and 707 transitions. [2024-11-19 10:27:24,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-19 10:27:24,850 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 707 transitions. [2024-11-19 10:27:24,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-19 10:27:24,851 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:24,851 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-19 10:27:24,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-19 10:27:25,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:25,052 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)] === [2024-11-19 10:27:25,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:25,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1017301855, now seen corresponding path program 1 times [2024-11-19 10:27:25,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:25,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678662662] [2024-11-19 10:27:25,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:25,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:27:25,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [537801036] [2024-11-19 10:27:25,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:25,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:25,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:25,065 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) [2024-11-19 10:27:25,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-19 10:27:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:25,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-19 10:27:25,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:25,382 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 9 proven. 26 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-19 10:27:25,382 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:25,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:25,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678662662] [2024-11-19 10:27:25,480 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:25,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537801036] [2024-11-19 10:27:25,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537801036] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:25,480 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:25,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-19 10:27:25,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700562777] [2024-11-19 10:27:25,480 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:25,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:27:25,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:25,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:27:25,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:27:25,481 INFO L87 Difference]: Start difference. First operand 532 states and 707 transitions. Second operand has 11 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-19 10:27:26,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:26,181 INFO L93 Difference]: Finished difference Result 580 states and 757 transitions. [2024-11-19 10:27:26,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 10:27:26,182 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) Word has length 83 [2024-11-19 10:27:26,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:26,186 INFO L225 Difference]: With dead ends: 580 [2024-11-19 10:27:26,186 INFO L226 Difference]: Without dead ends: 578 [2024-11-19 10:27:26,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:27:26,187 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 268 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:26,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 190 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:27:26,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2024-11-19 10:27:26,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 539. [2024-11-19 10:27:26,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 448 states have (on average 1.3549107142857142) internal successors, (607), 484 states have internal predecessors, (607), 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) [2024-11-19 10:27:26,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 711 transitions. [2024-11-19 10:27:26,215 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 711 transitions. Word has length 83 [2024-11-19 10:27:26,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:26,217 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 711 transitions. [2024-11-19 10:27:26,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-19 10:27:26,217 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 711 transitions. [2024-11-19 10:27:26,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-19 10:27:26,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:26,218 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:26,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:26,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:26,419 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)] === [2024-11-19 10:27:26,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:26,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1471586515, now seen corresponding path program 1 times [2024-11-19 10:27:26,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:26,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085226293] [2024-11-19 10:27:26,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:26,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:27:26,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [381439359] [2024-11-19 10:27:26,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:26,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:26,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:26,437 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) [2024-11-19 10:27:26,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-19 10:27:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:26,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 10:27:26,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:26,875 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-19 10:27:26,876 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:27,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:27,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085226293] [2024-11-19 10:27:27,047 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:27,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381439359] [2024-11-19 10:27:27,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381439359] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:27,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:27,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-19 10:27:27,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113784163] [2024-11-19 10:27:27,048 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:27,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 10:27:27,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:27,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 10:27:27,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:27:27,048 INFO L87 Difference]: Start difference. First operand 539 states and 711 transitions. Second operand has 9 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-19 10:27:27,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:27,694 INFO L93 Difference]: Finished difference Result 557 states and 733 transitions. [2024-11-19 10:27:27,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:27:27,694 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 84 [2024-11-19 10:27:27,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:27,696 INFO L225 Difference]: With dead ends: 557 [2024-11-19 10:27:27,696 INFO L226 Difference]: Without dead ends: 553 [2024-11-19 10:27:27,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:27:27,696 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 182 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:27,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 307 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:27:27,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2024-11-19 10:27:27,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 538. [2024-11-19 10:27:27,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 450 states have (on average 1.3266666666666667) internal successors, (597), 483 states have internal predecessors, (597), 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) [2024-11-19 10:27:27,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 701 transitions. [2024-11-19 10:27:27,732 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 701 transitions. Word has length 84 [2024-11-19 10:27:27,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:27,732 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 701 transitions. [2024-11-19 10:27:27,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-19 10:27:27,733 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 701 transitions. [2024-11-19 10:27:27,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-19 10:27:27,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:27,734 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-19 10:27:27,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:27,934 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,SelfDestructingSolverStorable33 [2024-11-19 10:27:27,934 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:27,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:27,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1866784375, now seen corresponding path program 1 times [2024-11-19 10:27:27,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:27,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21129300] [2024-11-19 10:27:27,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:27,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-19 10:27:28,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:28,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21129300] [2024-11-19 10:27:28,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21129300] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:28,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534901161] [2024-11-19 10:27:28,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:28,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:28,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:28,028 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) [2024-11-19 10:27:28,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-19 10:27:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:28,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:27:28,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:28,261 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-19 10:27:28,261 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:28,403 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-19 10:27:28,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534901161] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:27:28,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:27:28,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 13 [2024-11-19 10:27:28,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180323243] [2024-11-19 10:27:28,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:28,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:27:28,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:28,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:27:28,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:27:28,405 INFO L87 Difference]: Start difference. First operand 538 states and 701 transitions. Second operand has 14 states, 13 states have (on average 10.307692307692308) internal successors, (134), 14 states have internal predecessors, (134), 8 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) [2024-11-19 10:27:29,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:29,033 INFO L93 Difference]: Finished difference Result 540 states and 701 transitions. [2024-11-19 10:27:29,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 10:27:29,033 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.307692307692308) internal successors, (134), 14 states have internal predecessors, (134), 8 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) Word has length 93 [2024-11-19 10:27:29,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:29,035 INFO L225 Difference]: With dead ends: 540 [2024-11-19 10:27:29,035 INFO L226 Difference]: Without dead ends: 539 [2024-11-19 10:27:29,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 176 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=268, Invalid=602, Unknown=0, NotChecked=0, Total=870 [2024-11-19 10:27:29,035 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 458 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:29,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 372 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:27:29,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2024-11-19 10:27:29,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 537. [2024-11-19 10:27:29,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 450 states have (on average 1.3177777777777777) internal successors, (593), 482 states have internal predecessors, (593), 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) [2024-11-19 10:27:29,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 697 transitions. [2024-11-19 10:27:29,069 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 697 transitions. Word has length 93 [2024-11-19 10:27:29,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:29,070 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 697 transitions. [2024-11-19 10:27:29,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.307692307692308) internal successors, (134), 14 states have internal predecessors, (134), 8 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) [2024-11-19 10:27:29,070 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 697 transitions. [2024-11-19 10:27:29,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-19 10:27:29,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:29,071 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-19 10:27:29,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-19 10:27:29,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:29,271 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:29,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:29,272 INFO L85 PathProgramCache]: Analyzing trace with hash -302207881, now seen corresponding path program 1 times [2024-11-19 10:27:29,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:29,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208033270] [2024-11-19 10:27:29,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:29,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:29,358 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-19 10:27:29,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:29,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208033270] [2024-11-19 10:27:29,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208033270] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:29,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416170620] [2024-11-19 10:27:29,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:29,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:29,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:29,361 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) [2024-11-19 10:27:29,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-19 10:27:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:29,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:27:29,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:29,571 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-19 10:27:29,571 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:29,705 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-19 10:27:29,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416170620] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:27:29,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:27:29,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-19 10:27:29,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900212120] [2024-11-19 10:27:29,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:29,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:27:29,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:29,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:27:29,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:27:29,708 INFO L87 Difference]: Start difference. First operand 537 states and 697 transitions. Second operand has 14 states, 13 states have (on average 12.538461538461538) internal successors, (163), 14 states have internal predecessors, (163), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-19 10:27:30,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:30,171 INFO L93 Difference]: Finished difference Result 561 states and 721 transitions. [2024-11-19 10:27:30,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-19 10:27:30,171 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.538461538461538) internal successors, (163), 14 states have internal predecessors, (163), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 93 [2024-11-19 10:27:30,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:30,173 INFO L225 Difference]: With dead ends: 561 [2024-11-19 10:27:30,174 INFO L226 Difference]: Without dead ends: 560 [2024-11-19 10:27:30,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=283, Invalid=647, Unknown=0, NotChecked=0, Total=930 [2024-11-19 10:27:30,175 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 509 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:30,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 471 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:27:30,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2024-11-19 10:27:30,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 536. [2024-11-19 10:27:30,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 450 states have (on average 1.308888888888889) internal successors, (589), 481 states have internal predecessors, (589), 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) [2024-11-19 10:27:30,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 693 transitions. [2024-11-19 10:27:30,220 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 693 transitions. Word has length 93 [2024-11-19 10:27:30,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:30,220 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 693 transitions. [2024-11-19 10:27:30,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.538461538461538) internal successors, (163), 14 states have internal predecessors, (163), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-19 10:27:30,221 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 693 transitions. [2024-11-19 10:27:30,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-19 10:27:30,221 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:30,222 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:30,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:30,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:30,422 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)] === [2024-11-19 10:27:30,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:30,423 INFO L85 PathProgramCache]: Analyzing trace with hash 2036171850, now seen corresponding path program 1 times [2024-11-19 10:27:30,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:30,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369545343] [2024-11-19 10:27:30,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:30,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:30,496 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-19 10:27:30,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:30,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369545343] [2024-11-19 10:27:30,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369545343] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:30,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602043681] [2024-11-19 10:27:30,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:30,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:30,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:30,499 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) [2024-11-19 10:27:30,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-19 10:27:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:30,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:27:30,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:30,697 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-19 10:27:30,697 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:30,797 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-19 10:27:30,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602043681] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:27:30,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:27:30,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-19 10:27:30,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918306779] [2024-11-19 10:27:30,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:30,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:27:30,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:30,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:27:30,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:27:30,799 INFO L87 Difference]: Start difference. First operand 536 states and 693 transitions. Second operand has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-19 10:27:31,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:31,214 INFO L93 Difference]: Finished difference Result 950 states and 1270 transitions. [2024-11-19 10:27:31,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:27:31,215 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 94 [2024-11-19 10:27:31,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:31,218 INFO L225 Difference]: With dead ends: 950 [2024-11-19 10:27:31,218 INFO L226 Difference]: Without dead ends: 948 [2024-11-19 10:27:31,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:27:31,219 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 295 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:31,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 226 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:27:31,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2024-11-19 10:27:31,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 758. [2024-11-19 10:27:31,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 651 states have (on average 1.3210445468509984) internal successors, (860), 682 states have internal predecessors, (860), 73 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-19 10:27:31,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 1006 transitions. [2024-11-19 10:27:31,268 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 1006 transitions. Word has length 94 [2024-11-19 10:27:31,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:31,269 INFO L471 AbstractCegarLoop]: Abstraction has 758 states and 1006 transitions. [2024-11-19 10:27:31,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-19 10:27:31,269 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 1006 transitions. [2024-11-19 10:27:31,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 10:27:31,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:31,270 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:31,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:31,471 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,SelfDestructingSolverStorable36 [2024-11-19 10:27:31,471 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)] === [2024-11-19 10:27:31,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:31,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1237588550, now seen corresponding path program 1 times [2024-11-19 10:27:31,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:31,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059147617] [2024-11-19 10:27:31,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:31,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:31,550 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-19 10:27:31,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:31,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059147617] [2024-11-19 10:27:31,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059147617] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:31,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691965990] [2024-11-19 10:27:31,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:31,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:31,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:31,552 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) [2024-11-19 10:27:31,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-19 10:27:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:31,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:27:31,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:31,753 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-19 10:27:31,753 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:31,858 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-19 10:27:31,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691965990] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:27:31,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:27:31,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-19 10:27:31,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69485327] [2024-11-19 10:27:31,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:31,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:27:31,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:31,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:27:31,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:27:31,859 INFO L87 Difference]: Start difference. First operand 758 states and 1006 transitions. Second operand has 8 states, 7 states have (on average 24.285714285714285) internal successors, (170), 8 states have internal predecessors, (170), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-19 10:27:32,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:32,252 INFO L93 Difference]: Finished difference Result 1349 states and 1834 transitions. [2024-11-19 10:27:32,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:27:32,252 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.285714285714285) internal successors, (170), 8 states have internal predecessors, (170), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 96 [2024-11-19 10:27:32,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:32,257 INFO L225 Difference]: With dead ends: 1349 [2024-11-19 10:27:32,257 INFO L226 Difference]: Without dead ends: 1347 [2024-11-19 10:27:32,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:27:32,258 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 350 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:32,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 241 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:27:32,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2024-11-19 10:27:32,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1063. [2024-11-19 10:27:32,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1063 states, 926 states have (on average 1.3304535637149029) internal successors, (1232), 957 states have internal predecessors, (1232), 103 states have call successors, (103), 2 states have call predecessors, (103), 2 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-19 10:27:32,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1438 transitions. [2024-11-19 10:27:32,328 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1438 transitions. Word has length 96 [2024-11-19 10:27:32,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:32,329 INFO L471 AbstractCegarLoop]: Abstraction has 1063 states and 1438 transitions. [2024-11-19 10:27:32,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.285714285714285) internal successors, (170), 8 states have internal predecessors, (170), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-19 10:27:32,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1438 transitions. [2024-11-19 10:27:32,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-19 10:27:32,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:32,330 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:32,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:32,530 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,SelfDestructingSolverStorable37 [2024-11-19 10:27:32,531 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)] === [2024-11-19 10:27:32,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:32,531 INFO L85 PathProgramCache]: Analyzing trace with hash -707492355, now seen corresponding path program 1 times [2024-11-19 10:27:32,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:32,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347743198] [2024-11-19 10:27:32,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:32,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:27:32,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [26476743] [2024-11-19 10:27:32,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:32,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:32,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:32,552 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) [2024-11-19 10:27:32,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-19 10:27:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:32,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-19 10:27:32,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:33,099 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-19 10:27:33,099 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:33,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:33,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347743198] [2024-11-19 10:27:33,226 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:33,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26476743] [2024-11-19 10:27:33,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26476743] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:33,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:33,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-19 10:27:33,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292359586] [2024-11-19 10:27:33,227 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:33,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 10:27:33,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:33,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 10:27:33,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:27:33,228 INFO L87 Difference]: Start difference. First operand 1063 states and 1438 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-19 10:27:34,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:34,295 INFO L93 Difference]: Finished difference Result 1139 states and 1541 transitions. [2024-11-19 10:27:34,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 10:27:34,296 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 99 [2024-11-19 10:27:34,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:34,300 INFO L225 Difference]: With dead ends: 1139 [2024-11-19 10:27:34,300 INFO L226 Difference]: Without dead ends: 1135 [2024-11-19 10:27:34,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2024-11-19 10:27:34,301 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 350 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:34,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 464 Invalid, 1474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 10:27:34,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2024-11-19 10:27:34,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1089. [2024-11-19 10:27:34,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1089 states, 949 states have (on average 1.3287671232876712) internal successors, (1261), 980 states have internal predecessors, (1261), 106 states have call successors, (106), 2 states have call predecessors, (106), 2 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-19 10:27:34,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1473 transitions. [2024-11-19 10:27:34,366 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1473 transitions. Word has length 99 [2024-11-19 10:27:34,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:34,366 INFO L471 AbstractCegarLoop]: Abstraction has 1089 states and 1473 transitions. [2024-11-19 10:27:34,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-19 10:27:34,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1473 transitions. [2024-11-19 10:27:34,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-19 10:27:34,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:34,367 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:34,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-19 10:27:34,567 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,SelfDestructingSolverStorable38 [2024-11-19 10:27:34,568 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:34,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:34,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1951824003, now seen corresponding path program 2 times [2024-11-19 10:27:34,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:34,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566615762] [2024-11-19 10:27:34,569 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:27:34,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:34,583 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:27:34,587 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:27:34,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [442954872] [2024-11-19 10:27:34,588 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:27:34,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:34,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:34,590 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) [2024-11-19 10:27:34,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-19 10:27:34,635 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:27:34,635 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:34,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 10:27:34,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:34,910 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-19 10:27:34,910 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:35,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:35,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566615762] [2024-11-19 10:27:35,437 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:35,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442954872] [2024-11-19 10:27:35,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442954872] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:35,438 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:35,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-19 10:27:35,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601684140] [2024-11-19 10:27:35,438 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:35,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:27:35,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:35,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:27:35,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:27:35,439 INFO L87 Difference]: Start difference. First operand 1089 states and 1473 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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) [2024-11-19 10:27:35,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:35,964 INFO L93 Difference]: Finished difference Result 1223 states and 1650 transitions. [2024-11-19 10:27:35,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:27:35,964 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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 99 [2024-11-19 10:27:35,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:35,968 INFO L225 Difference]: With dead ends: 1223 [2024-11-19 10:27:35,968 INFO L226 Difference]: Without dead ends: 1221 [2024-11-19 10:27:35,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:27:35,969 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 159 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:35,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 292 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:27:35,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2024-11-19 10:27:36,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 1097. [2024-11-19 10:27:36,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 956 states have (on average 1.3232217573221758) internal successors, (1265), 987 states have internal predecessors, (1265), 107 states have call successors, (107), 2 states have call predecessors, (107), 2 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2024-11-19 10:27:36,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1479 transitions. [2024-11-19 10:27:36,028 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1479 transitions. Word has length 99 [2024-11-19 10:27:36,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:36,029 INFO L471 AbstractCegarLoop]: Abstraction has 1097 states and 1479 transitions. [2024-11-19 10:27:36,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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) [2024-11-19 10:27:36,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1479 transitions. [2024-11-19 10:27:36,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-19 10:27:36,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:36,030 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:36,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:36,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-19 10:27:36,231 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)] === [2024-11-19 10:27:36,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:36,231 INFO L85 PathProgramCache]: Analyzing trace with hash -457426477, now seen corresponding path program 1 times [2024-11-19 10:27:36,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:36,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465431679] [2024-11-19 10:27:36,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:36,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:27:36,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2075992149] [2024-11-19 10:27:36,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:36,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:36,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:36,254 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) [2024-11-19 10:27:36,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-19 10:27:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:36,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-19 10:27:36,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:36,695 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-19 10:27:36,695 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:37,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:37,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465431679] [2024-11-19 10:27:37,016 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:37,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075992149] [2024-11-19 10:27:37,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075992149] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:37,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:37,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-19 10:27:37,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159215072] [2024-11-19 10:27:37,016 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:37,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 10:27:37,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:37,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 10:27:37,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:27:37,017 INFO L87 Difference]: Start difference. First operand 1097 states and 1479 transitions. Second operand has 13 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-19 10:27:37,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:37,664 INFO L93 Difference]: Finished difference Result 1144 states and 1535 transitions. [2024-11-19 10:27:37,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:27:37,664 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 100 [2024-11-19 10:27:37,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:37,667 INFO L225 Difference]: With dead ends: 1144 [2024-11-19 10:27:37,667 INFO L226 Difference]: Without dead ends: 1142 [2024-11-19 10:27:37,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2024-11-19 10:27:37,667 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 339 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:37,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 266 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:27:37,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2024-11-19 10:27:37,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 1105. [2024-11-19 10:27:37,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 963 states have (on average 1.32398753894081) internal successors, (1275), 994 states have internal predecessors, (1275), 108 states have call successors, (108), 2 states have call predecessors, (108), 2 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-19 10:27:37,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1491 transitions. [2024-11-19 10:27:37,726 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1491 transitions. Word has length 100 [2024-11-19 10:27:37,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:37,727 INFO L471 AbstractCegarLoop]: Abstraction has 1105 states and 1491 transitions. [2024-11-19 10:27:37,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-19 10:27:37,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1491 transitions. [2024-11-19 10:27:37,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-19 10:27:37,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:37,727 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:37,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:37,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:37,928 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:37,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:37,928 INFO L85 PathProgramCache]: Analyzing trace with hash -377001901, now seen corresponding path program 2 times [2024-11-19 10:27:37,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:37,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863740980] [2024-11-19 10:27:37,929 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:27:37,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:37,943 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:27:37,943 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:27:37,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [667468258] [2024-11-19 10:27:37,944 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:27:37,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:37,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:37,946 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) [2024-11-19 10:27:37,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-19 10:27:38,004 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:27:38,004 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:38,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 10:27:38,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:38,239 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-19 10:27:38,239 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:38,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:38,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863740980] [2024-11-19 10:27:38,512 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:38,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667468258] [2024-11-19 10:27:38,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667468258] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:38,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:38,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-19 10:27:38,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64111904] [2024-11-19 10:27:38,512 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:38,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:27:38,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:38,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:27:38,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:27:38,513 INFO L87 Difference]: Start difference. First operand 1105 states and 1491 transitions. Second operand has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-19 10:27:39,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:39,072 INFO L93 Difference]: Finished difference Result 1162 states and 1552 transitions. [2024-11-19 10:27:39,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:27:39,072 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 100 [2024-11-19 10:27:39,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:39,075 INFO L225 Difference]: With dead ends: 1162 [2024-11-19 10:27:39,075 INFO L226 Difference]: Without dead ends: 1160 [2024-11-19 10:27:39,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:27:39,076 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 132 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:39,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 318 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:27:39,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-11-19 10:27:39,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1098. [2024-11-19 10:27:39,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 957 states have (on average 1.3207941483803554) internal successors, (1264), 988 states have internal predecessors, (1264), 107 states have call successors, (107), 2 states have call predecessors, (107), 2 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2024-11-19 10:27:39,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1478 transitions. [2024-11-19 10:27:39,127 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1478 transitions. Word has length 100 [2024-11-19 10:27:39,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:39,127 INFO L471 AbstractCegarLoop]: Abstraction has 1098 states and 1478 transitions. [2024-11-19 10:27:39,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-19 10:27:39,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1478 transitions. [2024-11-19 10:27:39,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-19 10:27:39,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:39,128 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:39,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-11-19 10:27:39,328 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,SelfDestructingSolverStorable41 [2024-11-19 10:27:39,328 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:39,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:39,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1295318849, now seen corresponding path program 1 times [2024-11-19 10:27:39,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:39,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750195319] [2024-11-19 10:27:39,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:39,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:27:39,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [376400429] [2024-11-19 10:27:39,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:39,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:39,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:39,343 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) [2024-11-19 10:27:39,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-19 10:27:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:39,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:27:39,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:39,664 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-19 10:27:39,664 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:41,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:41,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750195319] [2024-11-19 10:27:41,040 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:41,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376400429] [2024-11-19 10:27:41,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376400429] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:41,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:41,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-19 10:27:41,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142163588] [2024-11-19 10:27:41,041 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:41,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:27:41,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:41,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:27:41,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=34, Unknown=1, NotChecked=0, Total=56 [2024-11-19 10:27:41,042 INFO L87 Difference]: Start difference. First operand 1098 states and 1478 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, (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) [2024-11-19 10:27:41,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:41,757 INFO L93 Difference]: Finished difference Result 1221 states and 1666 transitions. [2024-11-19 10:27:41,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:27:41,758 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, (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 101 [2024-11-19 10:27:41,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:41,761 INFO L225 Difference]: With dead ends: 1221 [2024-11-19 10:27:41,761 INFO L226 Difference]: Without dead ends: 1217 [2024-11-19 10:27:41,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=62, Invalid=93, Unknown=1, NotChecked=0, Total=156 [2024-11-19 10:27:41,762 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 202 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:41,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 287 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:27:41,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2024-11-19 10:27:41,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1079. [2024-11-19 10:27:41,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1079 states, 944 states have (on average 1.277542372881356) internal successors, (1206), 971 states have internal predecessors, (1206), 105 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 10:27:41,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1416 transitions. [2024-11-19 10:27:41,820 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1416 transitions. Word has length 101 [2024-11-19 10:27:41,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:41,821 INFO L471 AbstractCegarLoop]: Abstraction has 1079 states and 1416 transitions. [2024-11-19 10:27:41,821 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, (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) [2024-11-19 10:27:41,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1416 transitions. [2024-11-19 10:27:41,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-19 10:27:41,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:41,822 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:41,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:42,022 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,SelfDestructingSolverStorable42 [2024-11-19 10:27:42,023 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:42,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:42,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1500178603, now seen corresponding path program 1 times [2024-11-19 10:27:42,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:42,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098430376] [2024-11-19 10:27:42,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:42,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:27:42,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [942022024] [2024-11-19 10:27:42,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:42,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:42,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:42,038 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) [2024-11-19 10:27:42,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-19 10:27:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:42,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 10:27:42,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:42,445 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-19 10:27:42,446 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:42,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:42,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098430376] [2024-11-19 10:27:42,733 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:42,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942022024] [2024-11-19 10:27:42,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942022024] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:42,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:42,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-19 10:27:42,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88189666] [2024-11-19 10:27:42,733 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:42,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:27:42,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:42,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:27:42,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:27:42,734 INFO L87 Difference]: Start difference. First operand 1079 states and 1416 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-19 10:27:43,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:43,161 INFO L93 Difference]: Finished difference Result 1112 states and 1458 transitions. [2024-11-19 10:27:43,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:27:43,161 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 102 [2024-11-19 10:27:43,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:43,165 INFO L225 Difference]: With dead ends: 1112 [2024-11-19 10:27:43,165 INFO L226 Difference]: Without dead ends: 1110 [2024-11-19 10:27:43,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:27:43,166 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 88 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:43,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 229 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:27:43,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2024-11-19 10:27:43,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1085. [2024-11-19 10:27:43,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 949 states have (on average 1.2771338250790305) internal successors, (1212), 976 states have internal predecessors, (1212), 106 states have call successors, (106), 2 states have call predecessors, (106), 2 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-19 10:27:43,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1424 transitions. [2024-11-19 10:27:43,234 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1424 transitions. Word has length 102 [2024-11-19 10:27:43,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:43,234 INFO L471 AbstractCegarLoop]: Abstraction has 1085 states and 1424 transitions. [2024-11-19 10:27:43,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-19 10:27:43,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1424 transitions. [2024-11-19 10:27:43,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-19 10:27:43,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:43,236 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:43,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:43,436 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,SelfDestructingSolverStorable43 [2024-11-19 10:27:43,436 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:43,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:43,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1521572395, now seen corresponding path program 2 times [2024-11-19 10:27:43,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:43,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279364296] [2024-11-19 10:27:43,437 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:27:43,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:43,450 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:27:43,450 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:27:43,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [975355634] [2024-11-19 10:27:43,451 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:27:43,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:43,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:43,453 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:27:43,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-19 10:27:43,508 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:27:43,508 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:43,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-19 10:27:43,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:43,835 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-19 10:27:43,835 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:44,615 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-19 10:27:44,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:44,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279364296] [2024-11-19 10:27:44,615 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:44,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975355634] [2024-11-19 10:27:44,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975355634] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:27:44,615 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:27:44,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2024-11-19 10:27:44,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807449750] [2024-11-19 10:27:44,616 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:44,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 10:27:44,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:44,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 10:27:44,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:27:44,617 INFO L87 Difference]: Start difference. First operand 1085 states and 1424 transitions. Second operand has 9 states, 8 states have (on average 16.0) internal successors, (128), 9 states have internal predecessors, (128), 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) [2024-11-19 10:27:50,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:50,363 INFO L93 Difference]: Finished difference Result 1157 states and 1508 transitions. [2024-11-19 10:27:50,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:27:50,364 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 16.0) internal successors, (128), 9 states have internal predecessors, (128), 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 102 [2024-11-19 10:27:50,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:50,368 INFO L225 Difference]: With dead ends: 1157 [2024-11-19 10:27:50,369 INFO L226 Difference]: Without dead ends: 1155 [2024-11-19 10:27:50,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:27:50,370 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 279 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:50,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 330 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2024-11-19 10:27:50,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2024-11-19 10:27:50,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1100. [2024-11-19 10:27:50,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1100 states, 966 states have (on average 1.2701863354037266) internal successors, (1227), 992 states have internal predecessors, (1227), 105 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 10:27:50,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1437 transitions. [2024-11-19 10:27:50,458 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1437 transitions. Word has length 102 [2024-11-19 10:27:50,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:50,458 INFO L471 AbstractCegarLoop]: Abstraction has 1100 states and 1437 transitions. [2024-11-19 10:27:50,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 16.0) internal successors, (128), 9 states have internal predecessors, (128), 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) [2024-11-19 10:27:50,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1437 transitions. [2024-11-19 10:27:50,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-19 10:27:50,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:50,459 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:50,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:50,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:50,660 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:50,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:50,660 INFO L85 PathProgramCache]: Analyzing trace with hash 739103617, now seen corresponding path program 1 times [2024-11-19 10:27:50,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:50,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397020493] [2024-11-19 10:27:50,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:50,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:27:50,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [476546502] [2024-11-19 10:27:50,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:50,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:50,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:50,675 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:27:50,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-19 10:27:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:50,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-19 10:27:50,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:51,078 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-19 10:27:51,079 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:51,710 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-19 10:27:51,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:51,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397020493] [2024-11-19 10:27:51,711 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:51,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476546502] [2024-11-19 10:27:51,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476546502] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:51,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:51,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-19 10:27:51,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323594590] [2024-11-19 10:27:51,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:27:51,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:27:51,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:51,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:27:51,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:27:51,712 INFO L87 Difference]: Start difference. First operand 1100 states and 1437 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 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) [2024-11-19 10:27:53,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:53,423 INFO L93 Difference]: Finished difference Result 1100 states and 1437 transitions. [2024-11-19 10:27:53,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:27:53,423 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 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 103 [2024-11-19 10:27:53,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:53,427 INFO L225 Difference]: With dead ends: 1100 [2024-11-19 10:27:53,427 INFO L226 Difference]: Without dead ends: 1099 [2024-11-19 10:27:53,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 195 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:27:53,428 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 82 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:53,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 109 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-19 10:27:53,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2024-11-19 10:27:53,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 1099. [2024-11-19 10:27:53,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 966 states have (on average 1.2494824016563146) internal successors, (1207), 991 states have internal predecessors, (1207), 105 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 10:27:53,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 1417 transitions. [2024-11-19 10:27:53,512 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 1417 transitions. Word has length 103 [2024-11-19 10:27:53,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:53,513 INFO L471 AbstractCegarLoop]: Abstraction has 1099 states and 1417 transitions. [2024-11-19 10:27:53,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 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) [2024-11-19 10:27:53,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1417 transitions. [2024-11-19 10:27:53,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-19 10:27:53,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:53,514 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:53,530 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:53,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:53,714 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:53,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:53,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1437375703, now seen corresponding path program 1 times [2024-11-19 10:27:53,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:53,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539507428] [2024-11-19 10:27:53,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:53,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:27:53,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1063731431] [2024-11-19 10:27:53,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:53,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:53,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:53,729 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:27:53,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-19 10:27:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:53,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-19 10:27:53,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:54,176 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-19 10:27:54,176 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:54,693 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-19 10:27:54,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:54,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539507428] [2024-11-19 10:27:54,694 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:54,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063731431] [2024-11-19 10:27:54,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063731431] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:54,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:54,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-19 10:27:54,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764096296] [2024-11-19 10:27:54,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:27:54,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:27:54,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:54,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:27:54,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:27:54,695 INFO L87 Difference]: Start difference. First operand 1099 states and 1417 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 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) [2024-11-19 10:27:56,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:56,625 INFO L93 Difference]: Finished difference Result 1099 states and 1417 transitions. [2024-11-19 10:27:56,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:27:56,625 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 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 104 [2024-11-19 10:27:56,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:56,628 INFO L225 Difference]: With dead ends: 1099 [2024-11-19 10:27:56,629 INFO L226 Difference]: Without dead ends: 1096 [2024-11-19 10:27:56,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 197 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:27:56,630 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 82 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:56,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 109 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-19 10:27:56,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2024-11-19 10:27:56,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1096. [2024-11-19 10:27:56,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1096 states, 966 states have (on average 1.2246376811594204) internal successors, (1183), 988 states have internal predecessors, (1183), 105 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 10:27:56,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 1393 transitions. [2024-11-19 10:27:56,688 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 1393 transitions. Word has length 104 [2024-11-19 10:27:56,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:56,688 INFO L471 AbstractCegarLoop]: Abstraction has 1096 states and 1393 transitions. [2024-11-19 10:27:56,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 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) [2024-11-19 10:27:56,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1393 transitions. [2024-11-19 10:27:56,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-19 10:27:56,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:56,689 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:56,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2024-11-19 10:27:56,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-19 10:27:56,890 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:56,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:56,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1987479453, now seen corresponding path program 1 times [2024-11-19 10:27:56,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:56,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751826410] [2024-11-19 10:27:56,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:27:56,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:27:56,971 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-19 10:27:56,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:56,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751826410] [2024-11-19 10:27:56,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751826410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:27:56,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:27:56,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:27:56,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970419318] [2024-11-19 10:27:56,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:27:56,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:27:56,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:56,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:27:56,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:27:56,974 INFO L87 Difference]: Start difference. First operand 1096 states and 1393 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-19 10:27:58,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:27:58,067 INFO L93 Difference]: Finished difference Result 1118 states and 1413 transitions. [2024-11-19 10:27:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:27:58,068 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), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 105 [2024-11-19 10:27:58,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:27:58,071 INFO L225 Difference]: With dead ends: 1118 [2024-11-19 10:27:58,071 INFO L226 Difference]: Without dead ends: 1106 [2024-11-19 10:27:58,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:27:58,072 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 141 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:27:58,072 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 187 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 10:27:58,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2024-11-19 10:27:58,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 1084. [2024-11-19 10:27:58,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 956 states have (on average 1.2196652719665273) internal successors, (1166), 977 states have internal predecessors, (1166), 104 states have call successors, (104), 2 states have call predecessors, (104), 2 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-19 10:27:58,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1374 transitions. [2024-11-19 10:27:58,155 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1374 transitions. Word has length 105 [2024-11-19 10:27:58,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:27:58,155 INFO L471 AbstractCegarLoop]: Abstraction has 1084 states and 1374 transitions. [2024-11-19 10:27:58,155 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), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-19 10:27:58,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1374 transitions. [2024-11-19 10:27:58,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-19 10:27:58,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:27:58,156 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:27:58,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-19 10:27:58,156 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-19 10:27:58,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:27:58,157 INFO L85 PathProgramCache]: Analyzing trace with hash 678765955, now seen corresponding path program 2 times [2024-11-19 10:27:58,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:27:58,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939837374] [2024-11-19 10:27:58,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:27:58,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:27:58,170 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:27:58,170 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:27:58,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [322758295] [2024-11-19 10:27:58,171 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:27:58,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:27:58,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:27:58,173 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:27:58,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-19 10:27:58,232 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:27:58,232 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:27:58,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-19 10:27:58,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:27:58,898 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-19 10:27:58,899 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:27:59,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:27:59,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939837374] [2024-11-19 10:27:59,267 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:27:59,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322758295] [2024-11-19 10:27:59,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322758295] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:27:59,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:27:59,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-19 10:27:59,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578220411] [2024-11-19 10:27:59,267 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:27:59,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:27:59,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:27:59,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:27:59,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:27:59,268 INFO L87 Difference]: Start difference. First operand 1084 states and 1374 transitions. Second operand has 11 states, 10 states have (on average 7.4) internal successors, (74), 11 states have internal predecessors, (74), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-19 10:28:02,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:28:04,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:28:05,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:28:08,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:28:13,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:28:17,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]