./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.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-scaling/cohencu-ll_valuebound10.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 4e2993d4b0d2c145cb6ebddb0d9f125eb6995ee629adf15e0b0f7e55a8d8a49a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:32:15,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:32:15,831 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:32:15,838 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:32:15,839 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:32:15,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:32:15,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:32:15,863 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:32:15,863 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:32:15,864 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:32:15,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:32:15,864 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:32:15,865 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:32:15,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:32:15,866 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:32:15,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:32:15,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:32:15,867 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:32:15,867 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:32:15,868 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:32:15,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:32:15,869 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:32:15,869 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:32:15,869 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:32:15,870 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:32:15,870 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:32:15,870 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:32:15,871 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:32:15,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:32:15,872 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:32:15,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:32:15,872 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:32:15,876 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:32:15,877 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:32:15,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:32:15,877 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:32:15,877 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:32:15,877 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:32:15,878 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:32:15,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:32:15,878 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:32:15,879 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:32:15,879 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:32:15,879 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:32:15,879 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e2993d4b0d2c145cb6ebddb0d9f125eb6995ee629adf15e0b0f7e55a8d8a49a [2024-11-19 10:32:16,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:32:16,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:32:16,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:32:16,151 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:32:16,151 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:32:16,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c [2024-11-19 10:32:17,575 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:32:17,769 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:32:17,769 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c [2024-11-19 10:32:17,777 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71b597f8c/a449d6e535354edb8099743bd9f3fbd1/FLAG5aa9db88b [2024-11-19 10:32:17,792 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71b597f8c/a449d6e535354edb8099743bd9f3fbd1 [2024-11-19 10:32:17,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:32:17,796 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:32:17,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:32:17,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:32:17,803 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:32:17,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:32:17" (1/1) ... [2024-11-19 10:32:17,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d67141c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:17, skipping insertion in model container [2024-11-19 10:32:17,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:32:17" (1/1) ... [2024-11-19 10:32:17,830 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:32:18,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:32:18,048 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:32:18,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:32:18,096 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:32:18,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:18 WrapperNode [2024-11-19 10:32:18,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:32:18,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:32:18,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:32:18,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:32:18,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:18" (1/1) ... [2024-11-19 10:32:18,113 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:18" (1/1) ... [2024-11-19 10:32:18,142 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 192 [2024-11-19 10:32:18,143 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:32:18,143 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:32:18,144 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:32:18,144 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:32:18,157 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:18" (1/1) ... [2024-11-19 10:32:18,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:18" (1/1) ... [2024-11-19 10:32:18,163 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:18" (1/1) ... [2024-11-19 10:32:18,177 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 10:32:18,177 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:18" (1/1) ... [2024-11-19 10:32:18,177 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:18" (1/1) ... [2024-11-19 10:32:18,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:18" (1/1) ... [2024-11-19 10:32:18,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:18" (1/1) ... [2024-11-19 10:32:18,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:18" (1/1) ... [2024-11-19 10:32:18,197 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:18" (1/1) ... [2024-11-19 10:32:18,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:32:18,203 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:32:18,204 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:32:18,204 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:32:18,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:18" (1/1) ... [2024-11-19 10:32:18,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:32:18,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:18,243 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 10:32:18,247 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 10:32:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:32:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:32:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:32:18,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:32:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 10:32:18,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 10:32:18,402 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:32:18,404 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:32:19,619 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2024-11-19 10:32:19,620 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:32:19,649 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:32:19,651 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 10:32:19,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:32:19 BoogieIcfgContainer [2024-11-19 10:32:19,652 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:32:19,654 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:32:19,654 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:32:19,657 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:32:19,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:32:17" (1/3) ... [2024-11-19 10:32:19,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64df66e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:32:19, skipping insertion in model container [2024-11-19 10:32:19,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:18" (2/3) ... [2024-11-19 10:32:19,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64df66e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:32:19, skipping insertion in model container [2024-11-19 10:32:19,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:32:19" (3/3) ... [2024-11-19 10:32:19,662 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu-ll_valuebound10.c [2024-11-19 10:32:19,680 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:32:19,681 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 138 error locations. [2024-11-19 10:32:19,760 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:32:19,768 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;@78cdea1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:32:19,771 INFO L334 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2024-11-19 10:32:19,776 INFO L276 IsEmpty]: Start isEmpty. Operand has 303 states, 152 states have (on average 1.9407894736842106) internal successors, (295), 290 states have internal predecessors, (295), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 10:32:19,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-19 10:32:19,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:19,784 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-19 10:32:19,785 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:19,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:19,791 INFO L85 PathProgramCache]: Analyzing trace with hash 889508963, now seen corresponding path program 1 times [2024-11-19 10:32:19,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:19,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13250233] [2024-11-19 10:32:19,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:19,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:19,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:32:19,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:19,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13250233] [2024-11-19 10:32:19,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13250233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:32:19,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:32:19,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:32:19,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026762096] [2024-11-19 10:32:19,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:32:19,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 10:32:19,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:19,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 10:32:19,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:32:19,972 INFO L87 Difference]: Start difference. First operand has 303 states, 152 states have (on average 1.9407894736842106) internal successors, (295), 290 states have internal predecessors, (295), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:32:20,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:20,022 INFO L93 Difference]: Finished difference Result 595 states and 640 transitions. [2024-11-19 10:32:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 10:32:20,028 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-19 10:32:20,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:20,039 INFO L225 Difference]: With dead ends: 595 [2024-11-19 10:32:20,040 INFO L226 Difference]: Without dead ends: 289 [2024-11-19 10:32:20,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:32:20,048 INFO L432 NwaCegarLoop]: 305 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, 305 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 10:32:20,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:32:20,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-19 10:32:20,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2024-11-19 10:32:20,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 147 states have (on average 1.8911564625850341) internal successors, (278), 277 states have internal predecessors, (278), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 10:32:20,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 298 transitions. [2024-11-19 10:32:20,101 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 298 transitions. Word has length 6 [2024-11-19 10:32:20,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:20,101 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 298 transitions. [2024-11-19 10:32:20,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:32:20,102 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 298 transitions. [2024-11-19 10:32:20,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-19 10:32:20,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:20,102 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-19 10:32:20,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:32:20,103 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:20,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:20,103 INFO L85 PathProgramCache]: Analyzing trace with hash 889568486, now seen corresponding path program 1 times [2024-11-19 10:32:20,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:20,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729189001] [2024-11-19 10:32:20,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:20,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:20,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:32:20,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:20,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729189001] [2024-11-19 10:32:20,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729189001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:32:20,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:32:20,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:32:20,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845449332] [2024-11-19 10:32:20,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:32:20,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:32:20,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:20,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:32:20,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:32:20,179 INFO L87 Difference]: Start difference. First operand 289 states and 298 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:32:20,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:20,352 INFO L93 Difference]: Finished difference Result 558 states and 577 transitions. [2024-11-19 10:32:20,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:32:20,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-19 10:32:20,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:20,359 INFO L225 Difference]: With dead ends: 558 [2024-11-19 10:32:20,359 INFO L226 Difference]: Without dead ends: 538 [2024-11-19 10:32:20,360 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 10:32:20,361 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 237 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:20,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 522 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:32:20,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-11-19 10:32:20,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 348. [2024-11-19 10:32:20,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 201 states have (on average 1.791044776119403) internal successors, (360), 331 states have internal predecessors, (360), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-19 10:32:20,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 390 transitions. [2024-11-19 10:32:20,398 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 390 transitions. Word has length 6 [2024-11-19 10:32:20,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:20,399 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 390 transitions. [2024-11-19 10:32:20,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:32:20,399 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 390 transitions. [2024-11-19 10:32:20,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-19 10:32:20,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:20,401 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:20,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 10:32:20,401 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:20,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:20,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1390848492, now seen corresponding path program 1 times [2024-11-19 10:32:20,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:20,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402938224] [2024-11-19 10:32:20,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:20,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:20,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [837299823] [2024-11-19 10:32:20,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:20,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:20,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:20,465 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 10:32:20,467 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 10:32:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:20,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:32:20,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:20,717 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:32:20,718 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:32:20,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:20,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402938224] [2024-11-19 10:32:20,719 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:20,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837299823] [2024-11-19 10:32:20,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837299823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:32:20,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:32:20,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:32:20,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150980851] [2024-11-19 10:32:20,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:32:20,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:32:20,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:20,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:32:20,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:32:20,724 INFO L87 Difference]: Start difference. First operand 348 states and 390 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:32:21,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:21,358 INFO L93 Difference]: Finished difference Result 508 states and 565 transitions. [2024-11-19 10:32:21,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:32:21,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2024-11-19 10:32:21,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:21,362 INFO L225 Difference]: With dead ends: 508 [2024-11-19 10:32:21,362 INFO L226 Difference]: Without dead ends: 453 [2024-11-19 10:32:21,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 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 10:32:21,365 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 134 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:21,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 269 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:32:21,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-19 10:32:21,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 433. [2024-11-19 10:32:21,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.6476868327402134) internal successors, (463), 411 states have internal predecessors, (463), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 10:32:21,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 503 transitions. [2024-11-19 10:32:21,398 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 503 transitions. Word has length 39 [2024-11-19 10:32:21,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:21,398 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 503 transitions. [2024-11-19 10:32:21,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:32:21,399 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 503 transitions. [2024-11-19 10:32:21,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-19 10:32:21,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:21,400 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:21,432 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 10:32:21,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:21,606 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:21,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:21,607 INFO L85 PathProgramCache]: Analyzing trace with hash 870574670, now seen corresponding path program 1 times [2024-11-19 10:32:21,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:21,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398495909] [2024-11-19 10:32:21,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:21,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:21,741 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:32:21,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:21,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398495909] [2024-11-19 10:32:21,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398495909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:32:21,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:32:21,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:32:21,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360072571] [2024-11-19 10:32:21,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:32:21,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:32:21,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:21,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:32:21,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:32:21,743 INFO L87 Difference]: Start difference. First operand 433 states and 503 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:32:22,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:22,234 INFO L93 Difference]: Finished difference Result 466 states and 510 transitions. [2024-11-19 10:32:22,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:32:22,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2024-11-19 10:32:22,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:22,237 INFO L225 Difference]: With dead ends: 466 [2024-11-19 10:32:22,237 INFO L226 Difference]: Without dead ends: 443 [2024-11-19 10:32:22,237 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 10:32:22,240 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 120 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:22,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 427 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:32:22,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-19 10:32:22,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2024-11-19 10:32:22,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.5658362989323844) internal successors, (440), 411 states have internal predecessors, (440), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 10:32:22,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 480 transitions. [2024-11-19 10:32:22,258 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 480 transitions. Word has length 41 [2024-11-19 10:32:22,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:22,259 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 480 transitions. [2024-11-19 10:32:22,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:32:22,260 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 480 transitions. [2024-11-19 10:32:22,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-19 10:32:22,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:22,262 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:22,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 10:32:22,263 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:22,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:22,264 INFO L85 PathProgramCache]: Analyzing trace with hash -896361808, now seen corresponding path program 1 times [2024-11-19 10:32:22,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:22,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802318387] [2024-11-19 10:32:22,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:22,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:22,397 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:32:22,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:22,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802318387] [2024-11-19 10:32:22,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802318387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:32:22,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:32:22,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:32:22,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558099691] [2024-11-19 10:32:22,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:32:22,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:32:22,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:22,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:32:22,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:32:22,401 INFO L87 Difference]: Start difference. First operand 433 states and 480 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:32:23,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:23,941 INFO L93 Difference]: Finished difference Result 445 states and 487 transitions. [2024-11-19 10:32:23,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:32:23,942 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2024-11-19 10:32:23,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:23,944 INFO L225 Difference]: With dead ends: 445 [2024-11-19 10:32:23,944 INFO L226 Difference]: Without dead ends: 443 [2024-11-19 10:32:23,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:32:23,947 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 137 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:23,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 449 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 10:32:23,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-19 10:32:23,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2024-11-19 10:32:23,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.5587188612099645) internal successors, (438), 411 states have internal predecessors, (438), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 10:32:23,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 478 transitions. [2024-11-19 10:32:23,968 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 478 transitions. Word has length 43 [2024-11-19 10:32:23,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:23,970 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 478 transitions. [2024-11-19 10:32:23,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:32:23,970 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 478 transitions. [2024-11-19 10:32:23,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-19 10:32:23,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:23,971 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:23,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 10:32:23,972 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:23,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:23,972 INFO L85 PathProgramCache]: Analyzing trace with hash -2017412173, now seen corresponding path program 1 times [2024-11-19 10:32:23,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:23,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902163391] [2024-11-19 10:32:23,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:23,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:24,075 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:32:24,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:24,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902163391] [2024-11-19 10:32:24,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902163391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:32:24,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:32:24,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:32:24,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198376263] [2024-11-19 10:32:24,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:32:24,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:32:24,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:24,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:32:24,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:32:24,078 INFO L87 Difference]: Start difference. First operand 433 states and 478 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:32:27,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:27,124 INFO L93 Difference]: Finished difference Result 445 states and 485 transitions. [2024-11-19 10:32:27,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:32:27,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2024-11-19 10:32:27,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:27,129 INFO L225 Difference]: With dead ends: 445 [2024-11-19 10:32:27,129 INFO L226 Difference]: Without dead ends: 443 [2024-11-19 10:32:27,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:32:27,131 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 137 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:27,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 451 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-19 10:32:27,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-19 10:32:27,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2024-11-19 10:32:27,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.5516014234875444) internal successors, (436), 411 states have internal predecessors, (436), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 10:32:27,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 476 transitions. [2024-11-19 10:32:27,151 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 476 transitions. Word has length 44 [2024-11-19 10:32:27,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:27,152 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 476 transitions. [2024-11-19 10:32:27,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:32:27,153 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 476 transitions. [2024-11-19 10:32:27,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-19 10:32:27,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:27,154 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:27,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 10:32:27,154 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:27,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:27,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1248572556, now seen corresponding path program 1 times [2024-11-19 10:32:27,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:27,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211322887] [2024-11-19 10:32:27,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:27,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:27,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [230947903] [2024-11-19 10:32:27,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:27,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:27,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:27,180 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 10:32:27,183 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 10:32:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:27,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:32:27,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:27,465 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:32:27,465 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:32:27,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:27,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211322887] [2024-11-19 10:32:27,466 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:27,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230947903] [2024-11-19 10:32:27,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230947903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:32:27,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:32:27,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:32:27,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065046946] [2024-11-19 10:32:27,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:32:27,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:32:27,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:27,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:32:27,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:32:27,468 INFO L87 Difference]: Start difference. First operand 433 states and 476 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:32:28,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:28,009 INFO L93 Difference]: Finished difference Result 450 states and 483 transitions. [2024-11-19 10:32:28,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:32:28,010 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2024-11-19 10:32:28,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:28,012 INFO L225 Difference]: With dead ends: 450 [2024-11-19 10:32:28,012 INFO L226 Difference]: Without dead ends: 441 [2024-11-19 10:32:28,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 10:32:28,013 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 112 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:28,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 259 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:32:28,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-19 10:32:28,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 436. [2024-11-19 10:32:28,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 284 states have (on average 1.5246478873239437) internal successors, (433), 414 states have internal predecessors, (433), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 10:32:28,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 473 transitions. [2024-11-19 10:32:28,026 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 473 transitions. Word has length 47 [2024-11-19 10:32:28,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:28,026 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 473 transitions. [2024-11-19 10:32:28,026 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:32:28,026 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 473 transitions. [2024-11-19 10:32:28,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-19 10:32:28,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:28,027 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:28,044 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 10:32:28,231 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,SelfDestructingSolverStorable6 [2024-11-19 10:32:28,232 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:28,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:28,232 INFO L85 PathProgramCache]: Analyzing trace with hash -51043465, now seen corresponding path program 1 times [2024-11-19 10:32:28,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:28,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226305546] [2024-11-19 10:32:28,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:28,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:28,337 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:32:28,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:28,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226305546] [2024-11-19 10:32:28,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226305546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:32:28,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:32:28,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:32:28,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432967106] [2024-11-19 10:32:28,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:32:28,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:32:28,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:28,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:32:28,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:32:28,339 INFO L87 Difference]: Start difference. First operand 436 states and 473 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:32:29,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:29,240 INFO L93 Difference]: Finished difference Result 449 states and 474 transitions. [2024-11-19 10:32:29,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:32:29,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2024-11-19 10:32:29,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:29,243 INFO L225 Difference]: With dead ends: 449 [2024-11-19 10:32:29,243 INFO L226 Difference]: Without dead ends: 443 [2024-11-19 10:32:29,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:32:29,244 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 244 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:29,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 307 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 10:32:29,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-19 10:32:29,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 436. [2024-11-19 10:32:29,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 284 states have (on average 1.5035211267605635) internal successors, (427), 414 states have internal predecessors, (427), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 10:32:29,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 467 transitions. [2024-11-19 10:32:29,263 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 467 transitions. Word has length 48 [2024-11-19 10:32:29,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:29,264 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 467 transitions. [2024-11-19 10:32:29,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:32:29,266 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 467 transitions. [2024-11-19 10:32:29,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-19 10:32:29,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:29,267 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:29,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 10:32:29,267 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:29,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:29,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1852558139, now seen corresponding path program 1 times [2024-11-19 10:32:29,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:29,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014090683] [2024-11-19 10:32:29,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:29,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:29,422 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:32:29,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:29,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014090683] [2024-11-19 10:32:29,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014090683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:32:29,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:32:29,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:32:29,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510884383] [2024-11-19 10:32:29,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:32:29,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:32:29,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:29,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:32:29,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:32:29,425 INFO L87 Difference]: Start difference. First operand 436 states and 467 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:32:30,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:30,232 INFO L93 Difference]: Finished difference Result 447 states and 468 transitions. [2024-11-19 10:32:30,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:32:30,233 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 52 [2024-11-19 10:32:30,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:30,234 INFO L225 Difference]: With dead ends: 447 [2024-11-19 10:32:30,234 INFO L226 Difference]: Without dead ends: 374 [2024-11-19 10:32:30,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:32:30,236 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 119 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:30,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 351 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 10:32:30,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-19 10:32:30,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 370. [2024-11-19 10:32:30,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 221 states have (on average 1.6199095022624435) internal successors, (358), 351 states have internal predecessors, (358), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-19 10:32:30,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 392 transitions. [2024-11-19 10:32:30,248 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 392 transitions. Word has length 52 [2024-11-19 10:32:30,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:30,248 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 392 transitions. [2024-11-19 10:32:30,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:32:30,249 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 392 transitions. [2024-11-19 10:32:30,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-19 10:32:30,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:30,250 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:32:30,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 10:32:30,250 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:30,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:30,251 INFO L85 PathProgramCache]: Analyzing trace with hash 386547261, now seen corresponding path program 1 times [2024-11-19 10:32:30,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:30,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002517510] [2024-11-19 10:32:30,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:30,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:30,336 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 10:32:30,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:30,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002517510] [2024-11-19 10:32:30,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002517510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:32:30,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:32:30,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:32:30,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544310716] [2024-11-19 10:32:30,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:32:30,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:32:30,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:30,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:32:30,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:32:30,340 INFO L87 Difference]: Start difference. First operand 370 states and 392 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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 10:32:31,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:31,212 INFO L93 Difference]: Finished difference Result 370 states and 392 transitions. [2024-11-19 10:32:31,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:32:31,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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 84 [2024-11-19 10:32:31,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:31,214 INFO L225 Difference]: With dead ends: 370 [2024-11-19 10:32:31,215 INFO L226 Difference]: Without dead ends: 363 [2024-11-19 10:32:31,215 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 10:32:31,215 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 138 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:31,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 156 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 10:32:31,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-19 10:32:31,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2024-11-19 10:32:31,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 221 states have (on average 1.588235294117647) internal successors, (351), 344 states have internal predecessors, (351), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-19 10:32:31,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 385 transitions. [2024-11-19 10:32:31,227 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 385 transitions. Word has length 84 [2024-11-19 10:32:31,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:31,228 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 385 transitions. [2024-11-19 10:32:31,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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 10:32:31,228 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 385 transitions. [2024-11-19 10:32:31,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-19 10:32:31,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:31,231 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:32:31,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 10:32:31,232 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:31,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:31,232 INFO L85 PathProgramCache]: Analyzing trace with hash -901936631, now seen corresponding path program 1 times [2024-11-19 10:32:31,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:31,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108814344] [2024-11-19 10:32:31,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:31,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:31,297 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 10:32:31,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:31,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108814344] [2024-11-19 10:32:31,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108814344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:32:31,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:32:31,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:32:31,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38773271] [2024-11-19 10:32:31,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:32:31,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:32:31,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:31,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:32:31,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:32:31,300 INFO L87 Difference]: Start difference. First operand 363 states and 385 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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 10:32:31,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:31,870 INFO L93 Difference]: Finished difference Result 370 states and 388 transitions. [2024-11-19 10:32:31,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:32:31,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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 85 [2024-11-19 10:32:31,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:31,873 INFO L225 Difference]: With dead ends: 370 [2024-11-19 10:32:31,873 INFO L226 Difference]: Without dead ends: 369 [2024-11-19 10:32:31,873 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 10:32:31,873 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 24 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:31,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 394 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:32:31,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-19 10:32:31,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 365. [2024-11-19 10:32:31,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 223 states have (on average 1.5829596412556053) internal successors, (353), 346 states have internal predecessors, (353), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-19 10:32:31,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 387 transitions. [2024-11-19 10:32:31,884 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 387 transitions. Word has length 85 [2024-11-19 10:32:31,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:31,885 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 387 transitions. [2024-11-19 10:32:31,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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 10:32:31,885 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 387 transitions. [2024-11-19 10:32:31,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-19 10:32:31,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:31,886 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:32:31,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 10:32:31,887 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:31,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:31,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1031775984, now seen corresponding path program 1 times [2024-11-19 10:32:31,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:31,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261527682] [2024-11-19 10:32:31,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:31,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:31,963 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-19 10:32:31,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:31,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261527682] [2024-11-19 10:32:31,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261527682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:32:31,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:32:31,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:32:31,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582215733] [2024-11-19 10:32:31,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:32:31,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:32:31,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:31,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:32:31,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:32:31,965 INFO L87 Difference]: Start difference. First operand 365 states and 387 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-19 10:32:32,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:32,237 INFO L93 Difference]: Finished difference Result 365 states and 387 transitions. [2024-11-19 10:32:32,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:32:32,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 87 [2024-11-19 10:32:32,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:32,240 INFO L225 Difference]: With dead ends: 365 [2024-11-19 10:32:32,240 INFO L226 Difference]: Without dead ends: 363 [2024-11-19 10:32:32,240 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 10:32:32,241 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 192 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:32,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 263 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:32:32,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-19 10:32:32,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2024-11-19 10:32:32,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 223 states have (on average 1.5650224215246638) internal successors, (349), 344 states have internal predecessors, (349), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-19 10:32:32,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 383 transitions. [2024-11-19 10:32:32,255 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 383 transitions. Word has length 87 [2024-11-19 10:32:32,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:32,256 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 383 transitions. [2024-11-19 10:32:32,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-19 10:32:32,256 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 383 transitions. [2024-11-19 10:32:32,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-19 10:32:32,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:32,258 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:32:32,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 10:32:32,259 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:32,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:32,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1920284614, now seen corresponding path program 1 times [2024-11-19 10:32:32,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:32,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695588406] [2024-11-19 10:32:32,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:32,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:32,340 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-19 10:32:32,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:32,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695588406] [2024-11-19 10:32:32,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695588406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:32:32,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:32:32,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:32:32,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137672228] [2024-11-19 10:32:32,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:32:32,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:32:32,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:32,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:32:32,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:32:32,342 INFO L87 Difference]: Start difference. First operand 363 states and 383 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-19 10:32:32,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:32,605 INFO L93 Difference]: Finished difference Result 367 states and 383 transitions. [2024-11-19 10:32:32,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:32:32,606 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 88 [2024-11-19 10:32:32,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:32,607 INFO L225 Difference]: With dead ends: 367 [2024-11-19 10:32:32,608 INFO L226 Difference]: Without dead ends: 363 [2024-11-19 10:32:32,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:32:32,608 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 48 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:32,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 719 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:32:32,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-19 10:32:32,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 361. [2024-11-19 10:32:32,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 221 states have (on average 1.5610859728506787) internal successors, (345), 342 states have internal predecessors, (345), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-19 10:32:32,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 379 transitions. [2024-11-19 10:32:32,620 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 379 transitions. Word has length 88 [2024-11-19 10:32:32,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:32,620 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 379 transitions. [2024-11-19 10:32:32,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-19 10:32:32,621 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 379 transitions. [2024-11-19 10:32:32,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-19 10:32:32,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:32,622 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:32,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 10:32:32,622 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:32,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:32,622 INFO L85 PathProgramCache]: Analyzing trace with hash 822292939, now seen corresponding path program 1 times [2024-11-19 10:32:32,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:32,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287318416] [2024-11-19 10:32:32,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:32,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:32,692 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 10:32:32,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:32,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287318416] [2024-11-19 10:32:32,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287318416] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:32,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866343556] [2024-11-19 10:32:32,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:32,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:32,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:32,695 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:32:32,696 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 10:32:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:32,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:32:32,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:32,847 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 10:32:32,848 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:32:32,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [866343556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:32:32,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:32:32,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-19 10:32:32,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101562214] [2024-11-19 10:32:32,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:32:32,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:32:32,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:32,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:32:32,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:32:32,851 INFO L87 Difference]: Start difference. First operand 361 states and 379 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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 10:32:32,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:32,968 INFO L93 Difference]: Finished difference Result 363 states and 379 transitions. [2024-11-19 10:32:32,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:32:32,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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 87 [2024-11-19 10:32:32,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:32,970 INFO L225 Difference]: With dead ends: 363 [2024-11-19 10:32:32,970 INFO L226 Difference]: Without dead ends: 355 [2024-11-19 10:32:32,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:32:32,971 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 420 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:32,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 367 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:32:32,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-19 10:32:32,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 353. [2024-11-19 10:32:32,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 221 states have (on average 1.5248868778280542) internal successors, (337), 334 states have internal predecessors, (337), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-19 10:32:32,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 371 transitions. [2024-11-19 10:32:32,981 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 371 transitions. Word has length 87 [2024-11-19 10:32:32,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:32,982 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 371 transitions. [2024-11-19 10:32:32,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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 10:32:32,982 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 371 transitions. [2024-11-19 10:32:32,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-19 10:32:32,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:32,982 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:33,001 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 10:32:33,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:33,183 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:33,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:33,183 INFO L85 PathProgramCache]: Analyzing trace with hash -278722615, now seen corresponding path program 1 times [2024-11-19 10:32:33,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:33,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755314751] [2024-11-19 10:32:33,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:33,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:33,265 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 10:32:33,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:33,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755314751] [2024-11-19 10:32:33,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755314751] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:33,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628051680] [2024-11-19 10:32:33,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:33,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:33,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:33,268 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 10:32:33,270 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 10:32:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:33,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:32:33,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:33,419 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 10:32:33,419 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:33,550 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 10:32:33,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628051680] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:33,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:32:33,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-19 10:32:33,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491138588] [2024-11-19 10:32:33,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:33,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:32:33,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:33,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:32:33,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:32:33,552 INFO L87 Difference]: Start difference. First operand 353 states and 371 transitions. Second operand has 7 states, 6 states have (on average 29.5) internal successors, (177), 7 states have internal predecessors, (177), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-19 10:32:33,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:33,745 INFO L93 Difference]: Finished difference Result 614 states and 652 transitions. [2024-11-19 10:32:33,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:32:33,745 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 29.5) internal successors, (177), 7 states have internal predecessors, (177), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 88 [2024-11-19 10:32:33,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:33,748 INFO L225 Difference]: With dead ends: 614 [2024-11-19 10:32:33,748 INFO L226 Difference]: Without dead ends: 606 [2024-11-19 10:32:33,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:32:33,749 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 447 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 978 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:33,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 978 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:32:33,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2024-11-19 10:32:33,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 413. [2024-11-19 10:32:33,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 282 states have (on average 1.5141843971631206) internal successors, (427), 389 states have internal predecessors, (427), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-19 10:32:33,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 471 transitions. [2024-11-19 10:32:33,763 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 471 transitions. Word has length 88 [2024-11-19 10:32:33,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:33,763 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 471 transitions. [2024-11-19 10:32:33,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 29.5) internal successors, (177), 7 states have internal predecessors, (177), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-19 10:32:33,763 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 471 transitions. [2024-11-19 10:32:33,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-19 10:32:33,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:33,764 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:33,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 10:32:33,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-19 10:32:33,969 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:33,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:33,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1460160748, now seen corresponding path program 1 times [2024-11-19 10:32:33,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:33,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191923918] [2024-11-19 10:32:33,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:33,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:33,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [111911122] [2024-11-19 10:32:33,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:33,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:33,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:33,995 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 10:32:33,996 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 10:32:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:34,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:32:34,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:34,158 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-19 10:32:34,158 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:34,334 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-19 10:32:34,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:34,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191923918] [2024-11-19 10:32:34,334 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:34,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111911122] [2024-11-19 10:32:34,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111911122] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:34,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:32:34,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-19 10:32:34,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492163583] [2024-11-19 10:32:34,335 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:34,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:32:34,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:34,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:32:34,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:32:34,336 INFO L87 Difference]: Start difference. First operand 413 states and 471 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-19 10:32:34,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:34,552 INFO L93 Difference]: Finished difference Result 616 states and 648 transitions. [2024-11-19 10:32:34,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:32:34,553 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 99 [2024-11-19 10:32:34,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:34,555 INFO L225 Difference]: With dead ends: 616 [2024-11-19 10:32:34,556 INFO L226 Difference]: Without dead ends: 611 [2024-11-19 10:32:34,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:32:34,557 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 691 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:34,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 811 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:32:34,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2024-11-19 10:32:34,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 418. [2024-11-19 10:32:34,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 290 states have (on average 1.4724137931034482) internal successors, (427), 393 states have internal predecessors, (427), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:32:34,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 473 transitions. [2024-11-19 10:32:34,587 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 473 transitions. Word has length 99 [2024-11-19 10:32:34,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:34,588 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 473 transitions. [2024-11-19 10:32:34,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-19 10:32:34,588 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 473 transitions. [2024-11-19 10:32:34,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-19 10:32:34,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:34,589 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:32:34,607 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 10:32:34,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-19 10:32:34,790 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:34,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:34,791 INFO L85 PathProgramCache]: Analyzing trace with hash -590433326, now seen corresponding path program 1 times [2024-11-19 10:32:34,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:34,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016574265] [2024-11-19 10:32:34,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:34,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:34,978 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-19 10:32:34,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:34,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016574265] [2024-11-19 10:32:34,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016574265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:32:34,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:32:34,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:32:34,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634813714] [2024-11-19 10:32:34,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:32:34,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:32:34,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:34,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:32:34,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:32:34,981 INFO L87 Difference]: Start difference. First operand 418 states and 473 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 10:32:35,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:35,195 INFO L93 Difference]: Finished difference Result 424 states and 476 transitions. [2024-11-19 10:32:35,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:32:35,196 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 104 [2024-11-19 10:32:35,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:35,198 INFO L225 Difference]: With dead ends: 424 [2024-11-19 10:32:35,199 INFO L226 Difference]: Without dead ends: 396 [2024-11-19 10:32:35,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:32:35,200 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 229 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:35,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 430 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:32:35,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-19 10:32:35,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2024-11-19 10:32:35,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 272 states have (on average 1.4889705882352942) internal successors, (405), 373 states have internal predecessors, (405), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-19 10:32:35,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 447 transitions. [2024-11-19 10:32:35,214 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 447 transitions. Word has length 104 [2024-11-19 10:32:35,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:35,215 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 447 transitions. [2024-11-19 10:32:35,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 10:32:35,215 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 447 transitions. [2024-11-19 10:32:35,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-19 10:32:35,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:35,217 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:35,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 10:32:35,217 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:35,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:35,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1663949401, now seen corresponding path program 1 times [2024-11-19 10:32:35,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:35,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256274380] [2024-11-19 10:32:35,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:35,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:35,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1072818630] [2024-11-19 10:32:35,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:35,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:35,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:35,245 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 10:32:35,247 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 10:32:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:35,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:32:35,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:35,607 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-19 10:32:35,608 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:32:35,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:35,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256274380] [2024-11-19 10:32:35,608 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:35,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072818630] [2024-11-19 10:32:35,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072818630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:32:35,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:32:35,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:32:35,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572316772] [2024-11-19 10:32:35,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:32:35,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:32:35,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:35,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:32:35,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:32:35,611 INFO L87 Difference]: Start difference. First operand 396 states and 447 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-19 10:32:36,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:36,800 INFO L93 Difference]: Finished difference Result 396 states and 447 transitions. [2024-11-19 10:32:36,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:32:36,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 120 [2024-11-19 10:32:36,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:36,802 INFO L225 Difference]: With dead ends: 396 [2024-11-19 10:32:36,802 INFO L226 Difference]: Without dead ends: 386 [2024-11-19 10:32:36,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:32:36,803 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 231 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:36,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 243 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-19 10:32:36,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-19 10:32:36,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2024-11-19 10:32:36,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 272 states have (on average 1.4375) internal successors, (391), 363 states have internal predecessors, (391), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-19 10:32:36,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 433 transitions. [2024-11-19 10:32:36,818 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 433 transitions. Word has length 120 [2024-11-19 10:32:36,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:36,818 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 433 transitions. [2024-11-19 10:32:36,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-19 10:32:36,818 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 433 transitions. [2024-11-19 10:32:36,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-19 10:32:36,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:36,820 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:36,839 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 10:32:37,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-19 10:32:37,020 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:37,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:37,021 INFO L85 PathProgramCache]: Analyzing trace with hash -42823788, now seen corresponding path program 1 times [2024-11-19 10:32:37,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:37,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680701412] [2024-11-19 10:32:37,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:37,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:37,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2105514123] [2024-11-19 10:32:37,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:37,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:37,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:37,044 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 10:32:37,045 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 10:32:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:37,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:32:37,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:37,373 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-19 10:32:37,373 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:39,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:39,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680701412] [2024-11-19 10:32:39,972 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:39,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105514123] [2024-11-19 10:32:39,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105514123] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:39,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:32:39,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-19 10:32:39,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118466036] [2024-11-19 10:32:39,973 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:39,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:32:39,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:39,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:32:39,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:32:39,975 INFO L87 Difference]: Start difference. First operand 386 states and 433 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-19 10:32:40,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:40,752 INFO L93 Difference]: Finished difference Result 511 states and 590 transitions. [2024-11-19 10:32:40,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:32:40,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 121 [2024-11-19 10:32:40,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:40,755 INFO L225 Difference]: With dead ends: 511 [2024-11-19 10:32:40,755 INFO L226 Difference]: Without dead ends: 487 [2024-11-19 10:32:40,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:32:40,757 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 129 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:40,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 302 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 10:32:40,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-19 10:32:40,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 471. [2024-11-19 10:32:40,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 352 states have (on average 1.4403409090909092) internal successors, (507), 443 states have internal predecessors, (507), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-19 10:32:40,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 559 transitions. [2024-11-19 10:32:40,777 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 559 transitions. Word has length 121 [2024-11-19 10:32:40,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:40,777 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 559 transitions. [2024-11-19 10:32:40,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-19 10:32:40,778 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 559 transitions. [2024-11-19 10:32:40,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-19 10:32:40,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:40,779 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:40,796 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 10:32:40,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:40,980 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:40,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:40,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1327537335, now seen corresponding path program 1 times [2024-11-19 10:32:40,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:40,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167185588] [2024-11-19 10:32:40,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:40,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:41,085 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-19 10:32:41,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:41,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167185588] [2024-11-19 10:32:41,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167185588] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:41,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130963138] [2024-11-19 10:32:41,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:41,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:41,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:41,087 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 10:32:41,088 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 10:32:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:41,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:32:41,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:41,349 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-19 10:32:41,349 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:41,509 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-19 10:32:41,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130963138] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:41,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:32:41,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-11-19 10:32:41,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608931779] [2024-11-19 10:32:41,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:41,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:32:41,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:41,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:32:41,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:32:41,513 INFO L87 Difference]: Start difference. First operand 471 states and 559 transitions. Second operand has 8 states, 7 states have (on average 31.285714285714285) internal successors, (219), 8 states have internal predecessors, (219), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-19 10:32:42,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:42,396 INFO L93 Difference]: Finished difference Result 493 states and 566 transitions. [2024-11-19 10:32:42,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:32:42,397 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 31.285714285714285) internal successors, (219), 8 states have internal predecessors, (219), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 122 [2024-11-19 10:32:42,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:42,399 INFO L225 Difference]: With dead ends: 493 [2024-11-19 10:32:42,399 INFO L226 Difference]: Without dead ends: 488 [2024-11-19 10:32:42,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:32:42,400 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 330 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:42,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 558 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 10:32:42,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-11-19 10:32:42,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 467. [2024-11-19 10:32:42,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 352 states have (on average 1.4147727272727273) internal successors, (498), 439 states have internal predecessors, (498), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-19 10:32:42,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 550 transitions. [2024-11-19 10:32:42,414 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 550 transitions. Word has length 122 [2024-11-19 10:32:42,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:42,415 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 550 transitions. [2024-11-19 10:32:42,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 31.285714285714285) internal successors, (219), 8 states have internal predecessors, (219), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-19 10:32:42,415 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 550 transitions. [2024-11-19 10:32:42,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-19 10:32:42,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:42,416 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:42,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-19 10:32:42,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:42,617 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:42,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:42,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1796015670, now seen corresponding path program 1 times [2024-11-19 10:32:42,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:42,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500400282] [2024-11-19 10:32:42,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:42,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:42,720 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-19 10:32:42,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:42,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500400282] [2024-11-19 10:32:42,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500400282] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:42,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468704904] [2024-11-19 10:32:42,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:42,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:42,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:42,722 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 10:32:42,724 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 10:32:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:42,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:32:42,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:42,980 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-19 10:32:42,980 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:43,139 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-19 10:32:43,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468704904] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:43,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:32:43,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-11-19 10:32:43,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850360465] [2024-11-19 10:32:43,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:43,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:32:43,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:43,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:32:43,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:32:43,141 INFO L87 Difference]: Start difference. First operand 467 states and 550 transitions. Second operand has 8 states, 7 states have (on average 31.571428571428573) internal successors, (221), 8 states have internal predecessors, (221), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-19 10:32:44,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:44,104 INFO L93 Difference]: Finished difference Result 489 states and 557 transitions. [2024-11-19 10:32:44,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:32:44,105 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 31.571428571428573) internal successors, (221), 8 states have internal predecessors, (221), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 123 [2024-11-19 10:32:44,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:44,106 INFO L225 Difference]: With dead ends: 489 [2024-11-19 10:32:44,107 INFO L226 Difference]: Without dead ends: 484 [2024-11-19 10:32:44,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:32:44,107 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 328 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:44,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 561 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 10:32:44,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-11-19 10:32:44,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 463. [2024-11-19 10:32:44,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 352 states have (on average 1.3892045454545454) internal successors, (489), 435 states have internal predecessors, (489), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-19 10:32:44,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 541 transitions. [2024-11-19 10:32:44,123 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 541 transitions. Word has length 123 [2024-11-19 10:32:44,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:44,123 INFO L471 AbstractCegarLoop]: Abstraction has 463 states and 541 transitions. [2024-11-19 10:32:44,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 31.571428571428573) internal successors, (221), 8 states have internal predecessors, (221), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-11-19 10:32:44,124 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 541 transitions. [2024-11-19 10:32:44,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-19 10:32:44,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:44,125 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 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 10:32:44,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-19 10:32:44,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:44,325 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:44,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:44,326 INFO L85 PathProgramCache]: Analyzing trace with hash -158088981, now seen corresponding path program 1 times [2024-11-19 10:32:44,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:44,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692146600] [2024-11-19 10:32:44,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:44,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:44,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [352903877] [2024-11-19 10:32:44,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:44,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:44,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:44,354 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 10:32:44,355 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 10:32:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:44,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 10:32:44,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:44,845 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-19 10:32:44,845 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:45,125 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-19 10:32:45,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:45,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692146600] [2024-11-19 10:32:45,125 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:45,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352903877] [2024-11-19 10:32:45,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352903877] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:45,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:32:45,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-19 10:32:45,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131765881] [2024-11-19 10:32:45,126 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:45,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:32:45,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:45,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:32:45,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:32:45,128 INFO L87 Difference]: Start difference. First operand 463 states and 541 transitions. Second operand has 10 states, 9 states have (on average 18.666666666666668) internal successors, (168), 10 states have internal predecessors, (168), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-19 10:32:49,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:49,738 INFO L93 Difference]: Finished difference Result 508 states and 548 transitions. [2024-11-19 10:32:49,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 10:32:49,738 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.666666666666668) internal successors, (168), 10 states have internal predecessors, (168), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 124 [2024-11-19 10:32:49,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:49,740 INFO L225 Difference]: With dead ends: 508 [2024-11-19 10:32:49,740 INFO L226 Difference]: Without dead ends: 414 [2024-11-19 10:32:49,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:32:49,741 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 426 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 1353 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 1424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:49,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 433 Invalid, 1424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1353 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-19 10:32:49,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-19 10:32:49,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 410. [2024-11-19 10:32:49,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 304 states have (on average 1.325657894736842) internal successors, (403), 385 states have internal predecessors, (403), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:32:49,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 449 transitions. [2024-11-19 10:32:49,755 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 449 transitions. Word has length 124 [2024-11-19 10:32:49,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:49,756 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 449 transitions. [2024-11-19 10:32:49,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.666666666666668) internal successors, (168), 10 states have internal predecessors, (168), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-19 10:32:49,756 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 449 transitions. [2024-11-19 10:32:49,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-19 10:32:49,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:49,758 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 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] [2024-11-19 10:32:49,774 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 10:32:49,958 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,SelfDestructingSolverStorable21 [2024-11-19 10:32:49,958 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:49,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:49,959 INFO L85 PathProgramCache]: Analyzing trace with hash -243026300, now seen corresponding path program 1 times [2024-11-19 10:32:49,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:49,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761301905] [2024-11-19 10:32:49,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:49,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:50,019 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-19 10:32:50,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:50,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761301905] [2024-11-19 10:32:50,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761301905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:32:50,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:32:50,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:32:50,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744671280] [2024-11-19 10:32:50,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:32:50,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:32:50,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:50,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:32:50,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:32:50,022 INFO L87 Difference]: Start difference. First operand 410 states and 449 transitions. Second operand has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 10:32:50,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:50,961 INFO L93 Difference]: Finished difference Result 410 states and 449 transitions. [2024-11-19 10:32:50,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:32:50,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 166 [2024-11-19 10:32:50,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:50,963 INFO L225 Difference]: With dead ends: 410 [2024-11-19 10:32:50,963 INFO L226 Difference]: Without dead ends: 407 [2024-11-19 10:32:50,963 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 10:32:50,963 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 125 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:50,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 155 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 10:32:50,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-19 10:32:50,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2024-11-19 10:32:50,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 304 states have (on average 1.3125) internal successors, (399), 382 states have internal predecessors, (399), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:32:50,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 445 transitions. [2024-11-19 10:32:50,977 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 445 transitions. Word has length 166 [2024-11-19 10:32:50,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:50,978 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 445 transitions. [2024-11-19 10:32:50,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 10:32:50,978 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 445 transitions. [2024-11-19 10:32:50,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-19 10:32:50,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:50,979 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 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] [2024-11-19 10:32:50,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-19 10:32:50,980 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:50,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:50,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1665611949, now seen corresponding path program 1 times [2024-11-19 10:32:50,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:50,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346408151] [2024-11-19 10:32:50,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:50,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:51,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [101342420] [2024-11-19 10:32:51,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:51,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:51,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:51,004 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 10:32:51,005 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 10:32:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:51,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:32:51,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:51,448 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-19 10:32:51,448 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:52,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:52,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346408151] [2024-11-19 10:32:52,381 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:52,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101342420] [2024-11-19 10:32:52,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101342420] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:52,381 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:32:52,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-19 10:32:52,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768828595] [2024-11-19 10:32:52,381 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:52,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:32:52,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:52,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:32:52,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:32:52,383 INFO L87 Difference]: Start difference. First operand 407 states and 445 transitions. Second operand has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 10:32:53,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:53,132 INFO L93 Difference]: Finished difference Result 408 states and 445 transitions. [2024-11-19 10:32:53,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:32:53,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 170 [2024-11-19 10:32:53,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:53,134 INFO L225 Difference]: With dead ends: 408 [2024-11-19 10:32:53,134 INFO L226 Difference]: Without dead ends: 407 [2024-11-19 10:32:53,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:32:53,134 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 34 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:53,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 439 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 10:32:53,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-19 10:32:53,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2024-11-19 10:32:53,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 304 states have (on average 1.3092105263157894) internal successors, (398), 382 states have internal predecessors, (398), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:32:53,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 444 transitions. [2024-11-19 10:32:53,149 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 444 transitions. Word has length 170 [2024-11-19 10:32:53,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:53,150 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 444 transitions. [2024-11-19 10:32:53,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 10:32:53,150 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 444 transitions. [2024-11-19 10:32:53,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-19 10:32:53,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:53,152 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 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] [2024-11-19 10:32:53,169 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 10:32:53,357 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,SelfDestructingSolverStorable23 [2024-11-19 10:32:53,358 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:53,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:53,359 INFO L85 PathProgramCache]: Analyzing trace with hash 94363053, now seen corresponding path program 1 times [2024-11-19 10:32:53,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:53,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675080437] [2024-11-19 10:32:53,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:53,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:53,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1941734368] [2024-11-19 10:32:53,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:53,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:53,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:53,386 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 10:32:53,388 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 10:32:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:53,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:32:53,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:53,910 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-19 10:32:53,910 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:54,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:54,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675080437] [2024-11-19 10:32:54,167 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:54,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941734368] [2024-11-19 10:32:54,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941734368] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:32:54,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:32:54,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-19 10:32:54,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774728785] [2024-11-19 10:32:54,167 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:54,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:32:54,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:54,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:32:54,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:32:54,168 INFO L87 Difference]: Start difference. First operand 407 states and 444 transitions. Second operand has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-19 10:32:54,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:32:54,922 INFO L93 Difference]: Finished difference Result 418 states and 444 transitions. [2024-11-19 10:32:54,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:32:54,922 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 171 [2024-11-19 10:32:54,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:32:54,924 INFO L225 Difference]: With dead ends: 418 [2024-11-19 10:32:54,924 INFO L226 Difference]: Without dead ends: 417 [2024-11-19 10:32:54,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:32:54,925 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 69 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 10:32:54,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 526 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 894 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 10:32:54,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-19 10:32:54,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 407. [2024-11-19 10:32:54,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 304 states have (on average 1.305921052631579) internal successors, (397), 382 states have internal predecessors, (397), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:32:54,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 443 transitions. [2024-11-19 10:32:54,939 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 443 transitions. Word has length 171 [2024-11-19 10:32:54,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:32:54,940 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 443 transitions. [2024-11-19 10:32:54,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-19 10:32:54,940 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 443 transitions. [2024-11-19 10:32:54,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-19 10:32:54,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:32:54,942 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:32:54,958 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 10:32:55,142 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,SelfDestructingSolverStorable24 [2024-11-19 10:32:55,143 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:32:55,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:32:55,143 INFO L85 PathProgramCache]: Analyzing trace with hash -2033680207, now seen corresponding path program 1 times [2024-11-19 10:32:55,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:32:55,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646933153] [2024-11-19 10:32:55,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:55,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:32:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:32:55,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [548844753] [2024-11-19 10:32:55,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:32:55,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:32:55,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:32:55,185 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 10:32:55,186 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 10:32:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:32:55,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-19 10:32:55,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:32:56,752 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-19 10:32:56,752 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:32:57,783 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-19 10:32:57,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:32:57,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646933153] [2024-11-19 10:32:57,784 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:32:57,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548844753] [2024-11-19 10:32:57,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548844753] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:32:57,784 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:32:57,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2024-11-19 10:32:57,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331366263] [2024-11-19 10:32:57,785 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:32:57,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:32:57,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:32:57,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:32:57,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:32:57,786 INFO L87 Difference]: Start difference. First operand 407 states and 443 transitions. Second operand has 11 states, 10 states have (on average 24.0) internal successors, (240), 11 states have internal predecessors, (240), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-19 10:33:05,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:33:05,604 INFO L93 Difference]: Finished difference Result 415 states and 443 transitions. [2024-11-19 10:33:05,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:33:05,604 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 24.0) internal successors, (240), 11 states have internal predecessors, (240), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 174 [2024-11-19 10:33:05,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:33:05,606 INFO L225 Difference]: With dead ends: 415 [2024-11-19 10:33:05,606 INFO L226 Difference]: Without dead ends: 407 [2024-11-19 10:33:05,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:33:05,607 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 425 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 1875 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 1904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:33:05,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 410 Invalid, 1904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1875 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2024-11-19 10:33:05,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-19 10:33:05,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2024-11-19 10:33:05,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 304 states have (on average 1.2796052631578947) internal successors, (389), 382 states have internal predecessors, (389), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:33:05,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 435 transitions. [2024-11-19 10:33:05,625 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 435 transitions. Word has length 174 [2024-11-19 10:33:05,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:33:05,625 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 435 transitions. [2024-11-19 10:33:05,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 24.0) internal successors, (240), 11 states have internal predecessors, (240), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-19 10:33:05,626 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 435 transitions. [2024-11-19 10:33:05,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-19 10:33:05,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:33:05,634 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:33:05,652 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-19 10:33:05,835 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,SelfDestructingSolverStorable25 [2024-11-19 10:33:05,835 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:33:05,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:33:05,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1785882623, now seen corresponding path program 1 times [2024-11-19 10:33:05,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:33:05,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835362229] [2024-11-19 10:33:05,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:33:05,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:33:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:33:05,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1708506538] [2024-11-19 10:33:05,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:33:05,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:33:05,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:33:05,867 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 10:33:05,869 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 10:33:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:33:05,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 10:33:05,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:33:07,287 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-19 10:33:07,288 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:33:08,450 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-19 10:33:08,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:33:08,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835362229] [2024-11-19 10:33:08,450 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:33:08,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708506538] [2024-11-19 10:33:08,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708506538] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:33:08,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:33:08,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2024-11-19 10:33:08,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131959089] [2024-11-19 10:33:08,451 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:33:08,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:33:08,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:33:08,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:33:08,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:33:08,455 INFO L87 Difference]: Start difference. First operand 407 states and 435 transitions. Second operand has 11 states, 10 states have (on average 26.8) internal successors, (268), 11 states have internal predecessors, (268), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-19 10:33:10,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:33:10,818 INFO L93 Difference]: Finished difference Result 488 states and 553 transitions. [2024-11-19 10:33:10,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 10:33:10,818 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 26.8) internal successors, (268), 11 states have internal predecessors, (268), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 193 [2024-11-19 10:33:10,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:33:10,820 INFO L225 Difference]: With dead ends: 488 [2024-11-19 10:33:10,820 INFO L226 Difference]: Without dead ends: 448 [2024-11-19 10:33:10,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:33:10,821 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 551 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 1395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:33:10,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 346 Invalid, 1395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1361 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-19 10:33:10,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-19 10:33:10,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 439. [2024-11-19 10:33:10,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 332 states have (on average 1.3463855421686748) internal successors, (447), 410 states have internal predecessors, (447), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-19 10:33:10,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 501 transitions. [2024-11-19 10:33:10,842 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 501 transitions. Word has length 193 [2024-11-19 10:33:10,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:33:10,842 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 501 transitions. [2024-11-19 10:33:10,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 26.8) internal successors, (268), 11 states have internal predecessors, (268), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-19 10:33:10,842 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 501 transitions. [2024-11-19 10:33:10,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-19 10:33:10,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:33:10,843 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:33:10,862 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-19 10:33:11,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:33:11,048 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:33:11,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:33:11,048 INFO L85 PathProgramCache]: Analyzing trace with hash -893592658, now seen corresponding path program 1 times [2024-11-19 10:33:11,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:33:11,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115620415] [2024-11-19 10:33:11,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:33:11,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:33:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:33:11,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [964023820] [2024-11-19 10:33:11,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:33:11,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:33:11,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:33:11,075 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 10:33:11,077 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 10:33:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:33:11,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:33:11,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:33:11,292 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-19 10:33:11,292 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:33:11,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:33:11,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115620415] [2024-11-19 10:33:11,354 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:33:11,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964023820] [2024-11-19 10:33:11,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964023820] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:33:11,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:33:11,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-19 10:33:11,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518839991] [2024-11-19 10:33:11,354 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:33:11,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:33:11,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:33:11,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:33:11,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:33:11,355 INFO L87 Difference]: Start difference. First operand 439 states and 501 transitions. Second operand has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-19 10:33:11,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:33:11,462 INFO L93 Difference]: Finished difference Result 577 states and 606 transitions. [2024-11-19 10:33:11,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:33:11,463 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 195 [2024-11-19 10:33:11,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:33:11,464 INFO L225 Difference]: With dead ends: 577 [2024-11-19 10:33:11,464 INFO L226 Difference]: Without dead ends: 576 [2024-11-19 10:33:11,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:33:11,465 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 188 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:33:11,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 658 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:33:11,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2024-11-19 10:33:11,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 439. [2024-11-19 10:33:11,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 332 states have (on average 1.3433734939759037) internal successors, (446), 410 states have internal predecessors, (446), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-19 10:33:11,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 500 transitions. [2024-11-19 10:33:11,481 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 500 transitions. Word has length 195 [2024-11-19 10:33:11,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:33:11,481 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 500 transitions. [2024-11-19 10:33:11,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-19 10:33:11,482 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 500 transitions. [2024-11-19 10:33:11,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-19 10:33:11,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:33:11,483 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:33:11,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-19 10:33:11,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-19 10:33:11,687 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:33:11,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:33:11,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1011524977, now seen corresponding path program 2 times [2024-11-19 10:33:11,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:33:11,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228241254] [2024-11-19 10:33:11,687 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:33:11,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:33:11,715 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:33:11,719 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:33:11,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [129687037] [2024-11-19 10:33:11,720 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:33:11,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:33:11,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:33:11,723 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 10:33:11,724 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 10:33:11,847 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:33:11,847 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:33:11,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-19 10:33:11,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:33:12,368 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 10:33:12,368 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:33:13,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:33:13,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228241254] [2024-11-19 10:33:13,205 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:33:13,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129687037] [2024-11-19 10:33:13,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129687037] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:33:13,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:33:13,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-19 10:33:13,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481304462] [2024-11-19 10:33:13,205 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:33:13,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 10:33:13,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:33:13,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 10:33:13,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:33:13,206 INFO L87 Difference]: Start difference. First operand 439 states and 500 transitions. Second operand has 9 states, 8 states have (on average 17.5) internal successors, (140), 9 states have internal predecessors, (140), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-19 10:33:14,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:33:14,492 INFO L93 Difference]: Finished difference Result 532 states and 612 transitions. [2024-11-19 10:33:14,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:33:14,492 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 17.5) internal successors, (140), 9 states have internal predecessors, (140), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 202 [2024-11-19 10:33:14,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:33:14,494 INFO L225 Difference]: With dead ends: 532 [2024-11-19 10:33:14,494 INFO L226 Difference]: Without dead ends: 511 [2024-11-19 10:33:14,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:33:14,495 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 121 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 2226 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 2246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:33:14,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 544 Invalid, 2246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 2226 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-19 10:33:14,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-11-19 10:33:14,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 499. [2024-11-19 10:33:14,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 389 states have (on average 1.3316195372750643) internal successors, (518), 467 states have internal predecessors, (518), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-19 10:33:14,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 578 transitions. [2024-11-19 10:33:14,519 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 578 transitions. Word has length 202 [2024-11-19 10:33:14,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:33:14,519 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 578 transitions. [2024-11-19 10:33:14,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.5) internal successors, (140), 9 states have internal predecessors, (140), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-19 10:33:14,519 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 578 transitions. [2024-11-19 10:33:14,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-19 10:33:14,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:33:14,521 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:33:14,529 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 10:33:14,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-19 10:33:14,721 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:33:14,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:33:14,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1292503122, now seen corresponding path program 2 times [2024-11-19 10:33:14,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:33:14,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339655396] [2024-11-19 10:33:14,722 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:33:14,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:33:14,743 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:33:14,743 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:33:14,920 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 10:33:14,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:33:14,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339655396] [2024-11-19 10:33:14,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339655396] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:33:14,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542537662] [2024-11-19 10:33:14,921 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:33:14,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:33:14,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:33:14,923 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 10:33:14,925 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 10:33:15,002 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:33:15,002 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:33:15,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:33:15,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:33:15,448 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 10:33:15,448 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:33:15,659 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 10:33:15,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542537662] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:33:15,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:33:15,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-19 10:33:15,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850797314] [2024-11-19 10:33:15,660 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:33:15,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 10:33:15,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:33:15,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 10:33:15,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:33:15,661 INFO L87 Difference]: Start difference. First operand 499 states and 578 transitions. Second operand has 13 states, 12 states have (on average 32.083333333333336) internal successors, (385), 13 states have internal predecessors, (385), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-19 10:33:17,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:33:17,690 INFO L93 Difference]: Finished difference Result 499 states and 578 transitions. [2024-11-19 10:33:17,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:33:17,690 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 32.083333333333336) internal successors, (385), 13 states have internal predecessors, (385), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 203 [2024-11-19 10:33:17,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:33:17,692 INFO L225 Difference]: With dead ends: 499 [2024-11-19 10:33:17,692 INFO L226 Difference]: Without dead ends: 495 [2024-11-19 10:33:17,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2024-11-19 10:33:17,693 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 609 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 1216 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:33:17,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 546 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1216 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-19 10:33:17,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-19 10:33:17,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 495. [2024-11-19 10:33:17,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 389 states have (on average 1.3110539845758356) internal successors, (510), 463 states have internal predecessors, (510), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-19 10:33:17,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 570 transitions. [2024-11-19 10:33:17,716 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 570 transitions. Word has length 203 [2024-11-19 10:33:17,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:33:17,717 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 570 transitions. [2024-11-19 10:33:17,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 32.083333333333336) internal successors, (385), 13 states have internal predecessors, (385), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-19 10:33:17,717 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 570 transitions. [2024-11-19 10:33:17,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-19 10:33:17,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:33:17,718 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:33:17,735 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 10:33:17,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:33:17,919 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:33:17,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:33:17,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1412891023, now seen corresponding path program 2 times [2024-11-19 10:33:17,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:33:17,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086388821] [2024-11-19 10:33:17,920 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:33:17,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:33:17,936 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:33:17,936 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:33:18,122 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 10:33:18,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:33:18,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086388821] [2024-11-19 10:33:18,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086388821] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:33:18,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495104136] [2024-11-19 10:33:18,123 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:33:18,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:33:18,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:33:18,125 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 10:33:18,127 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 10:33:18,207 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:33:18,207 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:33:18,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:33:18,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:33:18,638 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 10:33:18,639 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:33:18,878 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 10:33:18,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495104136] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:33:18,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:33:18,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-19 10:33:18,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642057572] [2024-11-19 10:33:18,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:33:18,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 10:33:18,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:33:18,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 10:33:18,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:33:18,880 INFO L87 Difference]: Start difference. First operand 495 states and 570 transitions. Second operand has 13 states, 12 states have (on average 32.25) internal successors, (387), 13 states have internal predecessors, (387), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-19 10:33:20,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:33:20,492 INFO L93 Difference]: Finished difference Result 553 states and 618 transitions. [2024-11-19 10:33:20,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:33:20,492 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 32.25) internal successors, (387), 13 states have internal predecessors, (387), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 204 [2024-11-19 10:33:20,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:33:20,494 INFO L225 Difference]: With dead ends: 553 [2024-11-19 10:33:20,494 INFO L226 Difference]: Without dead ends: 551 [2024-11-19 10:33:20,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:33:20,495 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 390 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 1421 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:33:20,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 692 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1421 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 10:33:20,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-11-19 10:33:20,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 523. [2024-11-19 10:33:20,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 414 states have (on average 1.2946859903381642) internal successors, (536), 488 states have internal predecessors, (536), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-19 10:33:20,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 602 transitions. [2024-11-19 10:33:20,521 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 602 transitions. Word has length 204 [2024-11-19 10:33:20,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:33:20,521 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 602 transitions. [2024-11-19 10:33:20,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 32.25) internal successors, (387), 13 states have internal predecessors, (387), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-19 10:33:20,522 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 602 transitions. [2024-11-19 10:33:20,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-19 10:33:20,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:33:20,523 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:33:20,540 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 10:33:20,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:33:20,728 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:33:20,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:33:20,728 INFO L85 PathProgramCache]: Analyzing trace with hash -578604461, now seen corresponding path program 1 times [2024-11-19 10:33:20,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:33:20,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805701156] [2024-11-19 10:33:20,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:33:20,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:33:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:33:20,986 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 10:33:20,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:33:20,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805701156] [2024-11-19 10:33:20,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805701156] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:33:20,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053552043] [2024-11-19 10:33:20,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:33:20,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:33:20,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:33:20,988 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 10:33:20,990 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 10:33:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:33:21,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:33:21,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:33:21,595 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 10:33:21,596 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:33:25,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053552043] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:33:25,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:33:25,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-19 10:33:25,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049739988] [2024-11-19 10:33:25,878 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:33:25,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:33:25,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:33:25,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:33:25,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:33:25,879 INFO L87 Difference]: Start difference. First operand 523 states and 602 transitions. Second operand has 11 states, 10 states have (on average 25.8) internal successors, (258), 11 states have internal predecessors, (258), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-19 10:33:30,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:33:30,628 INFO L93 Difference]: Finished difference Result 523 states and 602 transitions. [2024-11-19 10:33:30,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 10:33:30,629 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 25.8) internal successors, (258), 11 states have internal predecessors, (258), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 206 [2024-11-19 10:33:30,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:33:30,630 INFO L225 Difference]: With dead ends: 523 [2024-11-19 10:33:30,630 INFO L226 Difference]: Without dead ends: 511 [2024-11-19 10:33:30,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2024-11-19 10:33:30,631 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 690 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 1397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:33:30,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 617 Invalid, 1397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1336 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-19 10:33:30,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-11-19 10:33:30,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2024-11-19 10:33:30,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 414 states have (on average 1.2584541062801933) internal successors, (521), 476 states have internal predecessors, (521), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-19 10:33:30,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 587 transitions. [2024-11-19 10:33:30,649 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 587 transitions. Word has length 206 [2024-11-19 10:33:30,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:33:30,650 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 587 transitions. [2024-11-19 10:33:30,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 25.8) internal successors, (258), 11 states have internal predecessors, (258), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-19 10:33:30,650 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 587 transitions. [2024-11-19 10:33:30,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-19 10:33:30,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:33:30,651 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:33:30,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-19 10:33:30,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:33:30,852 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:33:30,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:33:30,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1501638444, now seen corresponding path program 1 times [2024-11-19 10:33:30,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:33:30,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026086137] [2024-11-19 10:33:30,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:33:30,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:33:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:33:30,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [166763987] [2024-11-19 10:33:30,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:33:30,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:33:30,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:33:30,891 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 10:33:30,892 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 10:33:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:33:30,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-19 10:33:30,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:33:31,577 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 10:33:31,578 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:33:32,211 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 10:33:32,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:33:32,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026086137] [2024-11-19 10:33:32,211 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:33:32,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166763987] [2024-11-19 10:33:32,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166763987] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:33:32,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:33:32,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-19 10:33:32,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094855350] [2024-11-19 10:33:32,212 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:33:32,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-19 10:33:32,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:33:32,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 10:33:32,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:33:32,213 INFO L87 Difference]: Start difference. First operand 511 states and 587 transitions. Second operand has 16 states, 15 states have (on average 19.2) internal successors, (288), 16 states have internal predecessors, (288), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-11-19 10:33:38,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:33:38,041 INFO L93 Difference]: Finished difference Result 815 states and 992 transitions. [2024-11-19 10:33:38,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 10:33:38,041 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 19.2) internal successors, (288), 16 states have internal predecessors, (288), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 209 [2024-11-19 10:33:38,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:33:38,045 INFO L225 Difference]: With dead ends: 815 [2024-11-19 10:33:38,045 INFO L226 Difference]: Without dead ends: 730 [2024-11-19 10:33:38,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2024-11-19 10:33:38,046 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 1595 mSDsluCounter, 874 mSDsCounter, 0 mSdLazyCounter, 2613 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1609 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 2762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 2613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:33:38,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1609 Valid, 999 Invalid, 2762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 2613 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2024-11-19 10:33:38,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2024-11-19 10:33:38,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 529. [2024-11-19 10:33:38,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 431 states have (on average 1.2320185614849188) internal successors, (531), 492 states have internal predecessors, (531), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-19 10:33:38,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 601 transitions. [2024-11-19 10:33:38,074 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 601 transitions. Word has length 209 [2024-11-19 10:33:38,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:33:38,074 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 601 transitions. [2024-11-19 10:33:38,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 19.2) internal successors, (288), 16 states have internal predecessors, (288), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-11-19 10:33:38,075 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 601 transitions. [2024-11-19 10:33:38,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-11-19 10:33:38,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:33:38,076 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 10:33:38,090 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-19 10:33:38,277 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,SelfDestructingSolverStorable32 [2024-11-19 10:33:38,277 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:33:38,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:33:38,278 INFO L85 PathProgramCache]: Analyzing trace with hash -5271790, now seen corresponding path program 2 times [2024-11-19 10:33:38,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:33:38,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860781594] [2024-11-19 10:33:38,278 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:33:38,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:33:38,314 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:33:38,314 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:33:38,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [331789312] [2024-11-19 10:33:38,315 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:33:38,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:33:38,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:33:38,319 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 10:33:38,321 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 10:33:38,407 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:33:38,407 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:33:38,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 10:33:38,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:33:39,119 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-19 10:33:39,120 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:33:40,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:33:40,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860781594] [2024-11-19 10:33:40,042 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:33:40,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331789312] [2024-11-19 10:33:40,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331789312] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:33:40,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:33:40,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-19 10:33:40,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117580427] [2024-11-19 10:33:40,043 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:33:40,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 10:33:40,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:33:40,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 10:33:40,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:33:40,044 INFO L87 Difference]: Start difference. First operand 529 states and 601 transitions. Second operand has 9 states, 8 states have (on average 21.75) internal successors, (174), 9 states have internal predecessors, (174), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-19 10:33:41,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:33:41,903 INFO L93 Difference]: Finished difference Result 529 states and 601 transitions. [2024-11-19 10:33:41,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 10:33:41,904 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 21.75) internal successors, (174), 9 states have internal predecessors, (174), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 251 [2024-11-19 10:33:41,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:33:41,906 INFO L225 Difference]: With dead ends: 529 [2024-11-19 10:33:41,906 INFO L226 Difference]: Without dead ends: 526 [2024-11-19 10:33:41,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=121, Invalid=259, Unknown=0, NotChecked=0, Total=380 [2024-11-19 10:33:41,906 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 654 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 1141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-19 10:33:41,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [654 Valid, 159 Invalid, 1141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-19 10:33:41,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2024-11-19 10:33:41,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2024-11-19 10:33:41,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 431 states have (on average 1.2180974477958237) internal successors, (525), 489 states have internal predecessors, (525), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-19 10:33:41,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 595 transitions. [2024-11-19 10:33:41,927 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 595 transitions. Word has length 251 [2024-11-19 10:33:41,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:33:41,928 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 595 transitions. [2024-11-19 10:33:41,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 21.75) internal successors, (174), 9 states have internal predecessors, (174), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-19 10:33:41,928 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 595 transitions. [2024-11-19 10:33:41,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-19 10:33:41,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:33:41,929 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 10:33:41,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-19 10:33:42,130 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,SelfDestructingSolverStorable33 [2024-11-19 10:33:42,130 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-19 10:33:42,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:33:42,130 INFO L85 PathProgramCache]: Analyzing trace with hash -163425304, now seen corresponding path program 2 times [2024-11-19 10:33:42,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:33:42,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314040494] [2024-11-19 10:33:42,131 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:33:42,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:33:42,165 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:33:42,165 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown